iqltechnologies / brighty

brighty/wp-admin/includes/options.php

Indentation +5 added lines, -5 removed lines

@@ -13,7 +13,7 @@ 
  * @since 4.2.0
  */
 function options_discussion_add_js() {
-	?>
+    ?>
 	<script>
 	(function($){
 		var parent = $( '#show_avatars' ),
@@ -32,7 +32,7 @@ 
  * @since 3.5.0
  */
 function options_general_add_js() {
-	?>
+    ?>
 <script type="text/javascript">
 	jQuery( function($) {
 		var $siteName = $( '#wp-admin-bar-site-name' ).children( 'a' ).first(),
@@ -107,7 +107,7 @@ 
  * @since 3.5.0
  */
 function options_reading_add_js() {
-	?>
+    ?>
 <script type="text/javascript">
 	jQuery( function($) {
 		var section = $('#front-static-pages'),
@@ -129,6 +129,6 @@ 
  * @since 3.5.0
  */
 function options_reading_blog_charset() {
-	echo '<input name="blog_charset" type="text" id="blog_charset" value="' . esc_attr( get_option( 'blog_charset' ) ) . '" class="regular-text" />';
-	echo '<p class="description">' . __( 'The <a href="https://wordpress.org/support/article/glossary/#character-set">character encoding</a> of your site (UTF-8 is recommended)' ) . '</p>';
+    echo '<input name="blog_charset" type="text" id="blog_charset" value="' . esc_attr( get_option( 'blog_charset' ) ) . '" class="regular-text" />';
+    echo '<p class="description">' . __( 'The <a href="https://wordpress.org/support/article/glossary/#character-set">character encoding</a> of your site (UTF-8 is recommended)' ) . '</p>';
 }

brighty/wp-admin/includes/class-bulk-theme-upgrader-skin.php

Indentation +51 added lines, -51 removed lines

@@ -16,63 +16,63 @@
  * @see Bulk_Upgrader_Skin
  */
 class Bulk_Theme_Upgrader_Skin extends Bulk_Upgrader_Skin {
-	public $theme_info = array(); // Theme_Upgrader::bulk_upgrade() will fill this in.
+    public $theme_info = array(); // Theme_Upgrader::bulk_upgrade() will fill this in.
 
-	public function add_strings() {
-		parent::add_strings();
-		/* translators: 1: Theme name, 2: Number of the theme, 3: Total number of themes being updated. */
-		$this->upgrader->strings['skin_before_update_header'] = __( 'Updating Theme %1$s (%2$d/%3$d)' );
-	}
+    public function add_strings() {
+        parent::add_strings();
+        /* translators: 1: Theme name, 2: Number of the theme, 3: Total number of themes being updated. */
+        $this->upgrader->strings['skin_before_update_header'] = __( 'Updating Theme %1$s (%2$d/%3$d)' );
+    }
 
-	/**
-	 * @param string $title
-	 */
-	public function before( $title = '' ) {
-		parent::before( $this->theme_info->display( 'Name' ) );
-	}
+    /**
+     * @param string $title
+     */
+    public function before( $title = '' ) {
+        parent::before( $this->theme_info->display( 'Name' ) );
+    }
 
-	/**
-	 * @param string $title
-	 */
-	public function after( $title = '' ) {
-		parent::after( $this->theme_info->display( 'Name' ) );
-		$this->decrement_update_count( 'theme' );
-	}
+    /**
+     * @param string $title
+     */
+    public function after( $title = '' ) {
+        parent::after( $this->theme_info->display( 'Name' ) );
+        $this->decrement_update_count( 'theme' );
+    }
 
-	/**
-	 */
-	public function bulk_footer() {
-		parent::bulk_footer();
+    /**
+     */
+    public function bulk_footer() {
+        parent::bulk_footer();
 
-		$update_actions = array(
-			'themes_page'  => sprintf(
-				'<a href="%s" target="_parent">%s</a>',
-				self_admin_url( 'themes.php' ),
-				__( 'Go to Themes page' )
-			),
-			'updates_page' => sprintf(
-				'<a href="%s" target="_parent">%s</a>',
-				self_admin_url( 'update-core.php' ),
-				__( 'Go to WordPress Updates page' )
-			),
-		);
+        $update_actions = array(
+            'themes_page'  => sprintf(
+                '<a href="%s" target="_parent">%s</a>',
+                self_admin_url( 'themes.php' ),
+                __( 'Go to Themes page' )
+            ),
+            'updates_page' => sprintf(
+                '<a href="%s" target="_parent">%s</a>',
+                self_admin_url( 'update-core.php' ),
+                __( 'Go to WordPress Updates page' )
+            ),
+        );
 
-		if ( ! current_user_can( 'switch_themes' ) && ! current_user_can( 'edit_theme_options' ) ) {
-			unset( $update_actions['themes_page'] );
-		}
+        if ( ! current_user_can( 'switch_themes' ) && ! current_user_can( 'edit_theme_options' ) ) {
+            unset( $update_actions['themes_page'] );
+        }
 
-		/**
-		 * Filters the list of action links available following bulk theme updates.
-		 *
-		 * @since 3.0.0
-		 *
-		 * @param string[] $update_actions Array of theme action links.
-		 * @param WP_Theme $theme_info     Theme object for the last-updated theme.
-		 */
-		$update_actions = apply_filters( 'update_bulk_theme_complete_actions', $update_actions, $this->theme_info );
+        /**
+         * Filters the list of action links available following bulk theme updates.
+         *
+         * @since 3.0.0
+         *
+         * @param string[] $update_actions Array of theme action links.
+         * @param WP_Theme $theme_info     Theme object for the last-updated theme.
+         */
+        $update_actions = apply_filters( 'update_bulk_theme_complete_actions', $update_actions, $this->theme_info );
 
-		if ( ! empty( $update_actions ) ) {
-			$this->feedback( implode( ' | ', (array) $update_actions ) );
-		}
-	}
+        if ( ! empty( $update_actions ) ) {
+            $this->feedback( implode( ' | ', (array) $update_actions ) );
+        }
+    }
 }

brighty/wp-admin/includes/meta-boxes.php

Indentation +761 added lines, -761 removed lines

@@ -28,13 +28,13 @@ 
  * }
  */
 function post_submit_meta_box( $post, $args = array() ) {
-	global $action;
+    global $action;
 
-	$post_id          = (int) $post->ID;
-	$post_type        = $post->post_type;
-	$post_type_object = get_post_type_object( $post_type );
-	$can_publish      = current_user_can( $post_type_object->cap->publish_posts );
-	?>
+    $post_id          = (int) $post->ID;
+    $post_type        = $post->post_type;
+    $post_type_object = get_post_type_object( $post_type );
+    $can_publish      = current_user_can( $post_type_object->cap->publish_posts );
+    ?>
 <div class="submitbox" id="submitpost">
 
 <div id="minor-publishing">
@@ -47,12 +47,12 @@ 
 	<div id="minor-publishing-actions">
 		<div id="save-action">
 			<?php
-			if ( ! in_array( $post->post_status, array( 'publish', 'future', 'pending' ), true ) ) {
-				$private_style = '';
-				if ( 'private' === $post->post_status ) {
-					$private_style = 'style="display:none"';
-				}
-				?>
+            if ( ! in_array( $post->post_status, array( 'publish', 'future', 'pending' ), true ) ) {
+                $private_style = '';
+                if ( 'private' === $post->post_status ) {
+                    $private_style = 'style="display:none"';
+                }
+                ?>
 				<input <?php echo $private_style; ?> type="submit" name="save" id="save-post" value="<?php esc_attr_e( 'Save Draft' ); ?>" class="button" />
 				<span class="spinner"></span>
 			<?php } elseif ( 'pending' === $post->post_status && $can_publish ) { ?>
@@ -62,40 +62,40 @@ 
 		</div>
 
 		<?php
-		if ( is_post_type_viewable( $post_type_object ) ) :
-			?>
+        if ( is_post_type_viewable( $post_type_object ) ) :
+            ?>
 			<div id="preview-action">
 				<?php
-				$preview_link = esc_url( get_preview_post_link( $post ) );
-				if ( 'publish' === $post->post_status ) {
-					$preview_button_text = __( 'Preview Changes' );
-				} else {
-					$preview_button_text = __( 'Preview' );
-				}
-
-				$preview_button = sprintf(
-					'%1$s<span class="screen-reader-text"> %2$s</span>',
-					$preview_button_text,
-					/* translators: Accessibility text. */
-					__( '(opens in a new tab)' )
-				);
-				?>
+                $preview_link = esc_url( get_preview_post_link( $post ) );
+                if ( 'publish' === $post->post_status ) {
+                    $preview_button_text = __( 'Preview Changes' );
+                } else {
+                    $preview_button_text = __( 'Preview' );
+                }
+
+                $preview_button = sprintf(
+                    '%1$s<span class="screen-reader-text"> %2$s</span>',
+                    $preview_button_text,
+                    /* translators: Accessibility text. */
+                    __( '(opens in a new tab)' )
+                );
+                ?>
 				<a class="preview button" href="<?php echo $preview_link; ?>" target="wp-preview-<?php echo $post_id; ?>" id="post-preview"><?php echo $preview_button; ?></a>
 				<input type="hidden" name="wp-preview" id="wp-preview" value="" />
 			</div>
 			<?php
-		endif;
-
-		/**
-		 * Fires after the Save Draft (or Save as Pending) and Preview (or Preview Changes) buttons
-		 * in the Publish meta box.
-		 *
-		 * @since 4.4.0
-		 *
-		 * @param WP_Post $post WP_Post object for the current post.
-		 */
-		do_action( 'post_submitbox_minor_actions', $post );
-		?>
+        endif;
+
+        /**
+         * Fires after the Save Draft (or Save as Pending) and Preview (or Preview Changes) buttons
+         * in the Publish meta box.
+         *
+         * @since 4.4.0
+         *
+         * @param WP_Post $post WP_Post object for the current post.
+         */
+        do_action( 'post_submitbox_minor_actions', $post );
+        ?>
 		<div class="clear"></div>
 	</div>
 
@@ -104,34 +104,34 @@ 
 			<?php _e( 'Status:' ); ?>
 			<span id="post-status-display">
 				<?php
-				switch ( $post->post_status ) {
-					case 'private':
-						_e( 'Privately Published' );
-						break;
-					case 'publish':
-						_e( 'Published' );
-						break;
-					case 'future':
-						_e( 'Scheduled' );
-						break;
-					case 'pending':
-						_e( 'Pending Review' );
-						break;
-					case 'draft':
-					case 'auto-draft':
-						_e( 'Draft' );
-						break;
-				}
-				?>
+                switch ( $post->post_status ) {
+                    case 'private':
+                        _e( 'Privately Published' );
+                        break;
+                    case 'publish':
+                        _e( 'Published' );
+                        break;
+                    case 'future':
+                        _e( 'Scheduled' );
+                        break;
+                    case 'pending':
+                        _e( 'Pending Review' );
+                        break;
+                    case 'draft':
+                    case 'auto-draft':
+                        _e( 'Draft' );
+                        break;
+                }
+                ?>
 			</span>
 
 			<?php
-			if ( 'publish' === $post->post_status || 'private' === $post->post_status || $can_publish ) {
-				$private_style = '';
-				if ( 'private' === $post->post_status ) {
-					$private_style = 'style="display:none"';
-				}
-				?>
+            if ( 'publish' === $post->post_status || 'private' === $post->post_status || $can_publish ) {
+                $private_style = '';
+                if ( 'private' === $post->post_status ) {
+                    $private_style = 'style="display:none"';
+                }
+                ?>
 				<a href="#post_status" <?php echo $private_style; ?> class="edit-post-status hide-if-no-js" role="button"><span aria-hidden="true"><?php _e( 'Edit' ); ?></span> <span class="screen-reader-text"><?php _e( 'Edit status' ); ?></span></a>
 
 				<div id="post-status-select" class="hide-if-js">
@@ -156,31 +156,31 @@ 
 					<a href="#post_status" class="cancel-post-status hide-if-no-js button-cancel"><?php _e( 'Cancel' ); ?></a>
 				</div>
 				<?php
-			}
-			?>
+            }
+            ?>
 		</div>
 
 		<div class="misc-pub-section misc-pub-visibility" id="visibility">
 			<?php _e( 'Visibility:' ); ?>
 			<span id="post-visibility-display">
 				<?php
-				if ( 'private' === $post->post_status ) {
-					$post->post_password = '';
-					$visibility          = 'private';
-					$visibility_trans    = __( 'Private' );
-				} elseif ( ! empty( $post->post_password ) ) {
-					$visibility       = 'password';
-					$visibility_trans = __( 'Password protected' );
-				} elseif ( 'post' === $post_type && is_sticky( $post_id ) ) {
-					$visibility       = 'public';
-					$visibility_trans = __( 'Public, Sticky' );
-				} else {
-					$visibility       = 'public';
-					$visibility_trans = __( 'Public' );
-				}
-
-				echo esc_html( $visibility_trans );
-				?>
+                if ( 'private' === $post->post_status ) {
+                    $post->post_password = '';
+                    $visibility          = 'private';
+                    $visibility_trans    = __( 'Private' );
+                } elseif ( ! empty( $post->post_password ) ) {
+                    $visibility       = 'password';
+                    $visibility_trans = __( 'Password protected' );
+                } elseif ( 'post' === $post_type && is_sticky( $post_id ) ) {
+                    $visibility       = 'public';
+                    $visibility_trans = __( 'Public, Sticky' );
+                } else {
+                    $visibility       = 'public';
+                    $visibility_trans = __( 'Public' );
+                }
+
+                echo esc_html( $visibility_trans );
+                ?>
 			</span>
 
 			<?php if ( $can_publish ) { ?>
@@ -213,57 +213,57 @@ 
 		</div>
 
 		<?php
-		/* translators: Publish box date string. 1: Date, 2: Time. See https://www.php.net/manual/datetime.format.php */
-		$date_string = __( '%1$s at %2$s' );
-		/* translators: Publish box date format, see https://www.php.net/manual/datetime.format.php */
-		$date_format = _x( 'M j, Y', 'publish box date format' );
-		/* translators: Publish box time format, see https://www.php.net/manual/datetime.format.php */
-		$time_format = _x( 'H:i', 'publish box time format' );
-
-		if ( 0 !== $post_id ) {
-			if ( 'future' === $post->post_status ) { // Scheduled for publishing at a future date.
-				/* translators: Post date information. %s: Date on which the post is currently scheduled to be published. */
-				$stamp = __( 'Scheduled for: %s' );
-			} elseif ( 'publish' === $post->post_status || 'private' === $post->post_status ) { // Already published.
-				/* translators: Post date information. %s: Date on which the post was published. */
-				$stamp = __( 'Published on: %s' );
-			} elseif ( '0000-00-00 00:00:00' === $post->post_date_gmt ) { // Draft, 1 or more saves, no date specified.
-				$stamp = __( 'Publish <b>immediately</b>' );
-			} elseif ( time() < strtotime( $post->post_date_gmt . ' +0000' ) ) { // Draft, 1 or more saves, future date specified.
-				/* translators: Post date information. %s: Date on which the post is to be published. */
-				$stamp = __( 'Schedule for: %s' );
-			} else { // Draft, 1 or more saves, date specified.
-				/* translators: Post date information. %s: Date on which the post is to be published. */
-				$stamp = __( 'Publish on: %s' );
-			}
-			$date = sprintf(
-				$date_string,
-				date_i18n( $date_format, strtotime( $post->post_date ) ),
-				date_i18n( $time_format, strtotime( $post->post_date ) )
-			);
-		} else { // Draft (no saves, and thus no date specified).
-			$stamp = __( 'Publish <b>immediately</b>' );
-			$date  = sprintf(
-				$date_string,
-				date_i18n( $date_format, strtotime( current_time( 'mysql' ) ) ),
-				date_i18n( $time_format, strtotime( current_time( 'mysql' ) ) )
-			);
-		}
-
-		if ( ! empty( $args['args']['revisions_count'] ) ) :
-			?>
+        /* translators: Publish box date string. 1: Date, 2: Time. See https://www.php.net/manual/datetime.format.php */
+        $date_string = __( '%1$s at %2$s' );
+        /* translators: Publish box date format, see https://www.php.net/manual/datetime.format.php */
+        $date_format = _x( 'M j, Y', 'publish box date format' );
+        /* translators: Publish box time format, see https://www.php.net/manual/datetime.format.php */
+        $time_format = _x( 'H:i', 'publish box time format' );
+
+        if ( 0 !== $post_id ) {
+            if ( 'future' === $post->post_status ) { // Scheduled for publishing at a future date.
+                /* translators: Post date information. %s: Date on which the post is currently scheduled to be published. */
+                $stamp = __( 'Scheduled for: %s' );
+            } elseif ( 'publish' === $post->post_status || 'private' === $post->post_status ) { // Already published.
+                /* translators: Post date information. %s: Date on which the post was published. */
+                $stamp = __( 'Published on: %s' );
+            } elseif ( '0000-00-00 00:00:00' === $post->post_date_gmt ) { // Draft, 1 or more saves, no date specified.
+                $stamp = __( 'Publish <b>immediately</b>' );
+            } elseif ( time() < strtotime( $post->post_date_gmt . ' +0000' ) ) { // Draft, 1 or more saves, future date specified.
+                /* translators: Post date information. %s: Date on which the post is to be published. */
+                $stamp = __( 'Schedule for: %s' );
+            } else { // Draft, 1 or more saves, date specified.
+                /* translators: Post date information. %s: Date on which the post is to be published. */
+                $stamp = __( 'Publish on: %s' );
+            }
+            $date = sprintf(
+                $date_string,
+                date_i18n( $date_format, strtotime( $post->post_date ) ),
+                date_i18n( $time_format, strtotime( $post->post_date ) )
+            );
+        } else { // Draft (no saves, and thus no date specified).
+            $stamp = __( 'Publish <b>immediately</b>' );
+            $date  = sprintf(
+                $date_string,
+                date_i18n( $date_format, strtotime( current_time( 'mysql' ) ) ),
+                date_i18n( $time_format, strtotime( current_time( 'mysql' ) ) )
+            );
+        }
+
+        if ( ! empty( $args['args']['revisions_count'] ) ) :
+            ?>
 			<div class="misc-pub-section misc-pub-revisions">
 				<?php
-				/* translators: Post revisions heading. %s: The number of available revisions. */
-				printf( __( 'Revisions: %s' ), '<b>' . number_format_i18n( $args['args']['revisions_count'] ) . '</b>' );
-				?>
+                /* translators: Post revisions heading. %s: The number of available revisions. */
+                printf( __( 'Revisions: %s' ), '<b>' . number_format_i18n( $args['args']['revisions_count'] ) . '</b>' );
+                ?>
 				<a class="hide-if-no-js" href="<?php echo esc_url( get_edit_post_link( $args['args']['revision_id'] ) ); ?>"><span aria-hidden="true"><?php _ex( 'Browse', 'revisions' ); ?></span> <span class="screen-reader-text"><?php _e( 'Browse revisions' ); ?></span></a>
 			</div>
 			<?php
-		endif;
+        endif;
 
-		if ( $can_publish ) : // Contributors don't get to choose the date of publish.
-			?>
+        if ( $can_publish ) : // Contributors don't get to choose the date of publish.
+            ?>
 			<div class="misc-pub-section curtime misc-pub-curtime">
 				<span id="timestamp">
 					<?php printf( $stamp, '<b>' . $date . '</b>' ); ?>
@@ -278,101 +278,101 @@ 
 				</fieldset>
 			</div>
 			<?php
-		endif;
+        endif;
 
-		if ( 'draft' === $post->post_status && get_post_meta( $post_id, '_customize_changeset_uuid', true ) ) :
-			?>
+        if ( 'draft' === $post->post_status && get_post_meta( $post_id, '_customize_changeset_uuid', true ) ) :
+            ?>
 			<div class="notice notice-info notice-alt inline">
 				<p>
 					<?php
-					printf(
-						/* translators: %s: URL to the Customizer. */
-						__( 'This draft comes from your <a href="%s">unpublished customization changes</a>. You can edit, but there is no need to publish now. It will be published automatically with those changes.' ),
-						esc_url(
-							add_query_arg(
-								'changeset_uuid',
-								rawurlencode( get_post_meta( $post_id, '_customize_changeset_uuid', true ) ),
-								admin_url( 'customize.php' )
-							)
-						)
-					);
-					?>
+                    printf(
+                        /* translators: %s: URL to the Customizer. */
+                        __( 'This draft comes from your <a href="%s">unpublished customization changes</a>. You can edit, but there is no need to publish now. It will be published automatically with those changes.' ),
+                        esc_url(
+                            add_query_arg(
+                                'changeset_uuid',
+                                rawurlencode( get_post_meta( $post_id, '_customize_changeset_uuid', true ) ),
+                                admin_url( 'customize.php' )
+                            )
+                        )
+                    );
+                    ?>
 				</p>
 			</div>
 			<?php
-		endif;
-
-		/**
-		 * Fires after the post time/date setting in the Publish meta box.
-		 *
-		 * @since 2.9.0
-		 * @since 4.4.0 Added the `$post` parameter.
-		 *
-		 * @param WP_Post $post WP_Post object for the current post.
-		 */
-		do_action( 'post_submitbox_misc_actions', $post );
-		?>
+        endif;
+
+        /**
+         * Fires after the post time/date setting in the Publish meta box.
+         *
+         * @since 2.9.0
+         * @since 4.4.0 Added the `$post` parameter.
+         *
+         * @param WP_Post $post WP_Post object for the current post.
+         */
+        do_action( 'post_submitbox_misc_actions', $post );
+        ?>
 	</div>
 	<div class="clear"></div>
 </div>
 
 <div id="major-publishing-actions">
 	<?php
-	/**
-	 * Fires at the beginning of the publishing actions section of the Publish meta box.
-	 *
-	 * @since 2.7.0
-	 * @since 4.9.0 Added the `$post` parameter.
-	 *
-	 * @param WP_Post|null $post WP_Post object for the current post on Edit Post screen,
-	 *                           null on Edit Link screen.
-	 */
-	do_action( 'post_submitbox_start', $post );
-	?>
+    /**
+     * Fires at the beginning of the publishing actions section of the Publish meta box.
+     *
+     * @since 2.7.0
+     * @since 4.9.0 Added the `$post` parameter.
+     *
+     * @param WP_Post|null $post WP_Post object for the current post on Edit Post screen,
+     *                           null on Edit Link screen.
+     */
+    do_action( 'post_submitbox_start', $post );
+    ?>
 	<div id="delete-action">
 		<?php
-		if ( current_user_can( 'delete_post', $post_id ) ) {
-			if ( ! EMPTY_TRASH_DAYS ) {
-				$delete_text = __( 'Delete permanently' );
-			} else {
-				$delete_text = __( 'Move to Trash' );
-			}
-			?>
+        if ( current_user_can( 'delete_post', $post_id ) ) {
+            if ( ! EMPTY_TRASH_DAYS ) {
+                $delete_text = __( 'Delete permanently' );
+            } else {
+                $delete_text = __( 'Move to Trash' );
+            }
+            ?>
 			<a class="submitdelete deletion" href="<?php echo get_delete_post_link( $post_id ); ?>"><?php echo $delete_text; ?></a>
 			<?php
-		}
-		?>
+        }
+        ?>
 	</div>
 
 	<div id="publishing-action">
 		<span class="spinner"></span>
 		<?php
-		if ( ! in_array( $post->post_status, array( 'publish', 'future', 'private' ), true ) || 0 === $post_id ) {
-			if ( $can_publish ) :
-				if ( ! empty( $post->post_date_gmt ) && time() < strtotime( $post->post_date_gmt . ' +0000' ) ) :
-					?>
+        if ( ! in_array( $post->post_status, array( 'publish', 'future', 'private' ), true ) || 0 === $post_id ) {
+            if ( $can_publish ) :
+                if ( ! empty( $post->post_date_gmt ) && time() < strtotime( $post->post_date_gmt . ' +0000' ) ) :
+                    ?>
 					<input name="original_publish" type="hidden" id="original_publish" value="<?php echo esc_attr_x( 'Schedule', 'post action/button label' ); ?>" />
 					<?php submit_button( _x( 'Schedule', 'post action/button label' ), 'primary large', 'publish', false ); ?>
 					<?php
-				else :
-					?>
+                else :
+                    ?>
 					<input name="original_publish" type="hidden" id="original_publish" value="<?php esc_attr_e( 'Publish' ); ?>" />
 					<?php submit_button( __( 'Publish' ), 'primary large', 'publish', false ); ?>
 					<?php
-				endif;
-			else :
-				?>
+                endif;
+            else :
+                ?>
 				<input name="original_publish" type="hidden" id="original_publish" value="<?php esc_attr_e( 'Submit for Review' ); ?>" />
 				<?php submit_button( __( 'Submit for Review' ), 'primary large', 'publish', false ); ?>
 				<?php
-			endif;
-		} else {
-			?>
+            endif;
+        } else {
+            ?>
 			<input name="original_publish" type="hidden" id="original_publish" value="<?php esc_attr_e( 'Update' ); ?>" />
 			<?php submit_button( __( 'Update' ), 'primary large', 'save', false, array( 'id' => 'publish' ) ); ?>
 			<?php
-		}
-		?>
+        }
+        ?>
 	</div>
 	<div class="clear"></div>
 </div>
@@ -389,7 +389,7 @@ 
  * @param WP_Post $post Current post object.
  */
 function attachment_submit_meta_box( $post ) {
-	?>
+    ?>
 <div class="submitbox" id="submitpost">
 
 <div id="minor-publishing">
@@ -404,32 +404,32 @@ 
 	<div class="misc-pub-section curtime misc-pub-curtime">
 		<span id="timestamp">
 			<?php
-			$uploaded_on = sprintf(
-				/* translators: Publish box date string. 1: Date, 2: Time. See https://www.php.net/manual/datetime.format.php */
-				__( '%1$s at %2$s' ),
-				/* translators: Publish box date format, see https://www.php.net/manual/datetime.format.php */
-				date_i18n( _x( 'M j, Y', 'publish box date format' ), strtotime( $post->post_date ) ),
-				/* translators: Publish box time format, see https://www.php.net/manual/datetime.format.php */
-				date_i18n( _x( 'H:i', 'publish box time format' ), strtotime( $post->post_date ) )
-			);
-			/* translators: Attachment information. %s: Date the attachment was uploaded. */
-			printf( __( 'Uploaded on: %s' ), '<b>' . $uploaded_on . '</b>' );
-			?>
+            $uploaded_on = sprintf(
+                /* translators: Publish box date string. 1: Date, 2: Time. See https://www.php.net/manual/datetime.format.php */
+                __( '%1$s at %2$s' ),
+                /* translators: Publish box date format, see https://www.php.net/manual/datetime.format.php */
+                date_i18n( _x( 'M j, Y', 'publish box date format' ), strtotime( $post->post_date ) ),
+                /* translators: Publish box time format, see https://www.php.net/manual/datetime.format.php */
+                date_i18n( _x( 'H:i', 'publish box time format' ), strtotime( $post->post_date ) )
+            );
+            /* translators: Attachment information. %s: Date the attachment was uploaded. */
+            printf( __( 'Uploaded on: %s' ), '<b>' . $uploaded_on . '</b>' );
+            ?>
 		</span>
 	</div><!-- .misc-pub-section -->
 
 	<?php
-	/**
-	 * Fires after the 'Uploaded on' section of the Save meta box
-	 * in the attachment editing screen.
-	 *
-	 * @since 3.5.0
-	 * @since 4.9.0 Added the `$post` parameter.
-	 *
-	 * @param WP_Post $post WP_Post object for the current attachment.
-	 */
-	do_action( 'attachment_submitbox_misc_actions', $post );
-	?>
+    /**
+     * Fires after the 'Uploaded on' section of the Save meta box
+     * in the attachment editing screen.
+     *
+     * @since 3.5.0
+     * @since 4.9.0 Added the `$post` parameter.
+     *
+     * @param WP_Post $post WP_Post object for the current attachment.
+     */
+    do_action( 'attachment_submitbox_misc_actions', $post );
+    ?>
 </div><!-- #misc-publishing-actions -->
 <div class="clear"></div>
 </div><!-- #minor-publishing -->
@@ -437,15 +437,15 @@ 
 <div id="major-publishing-actions">
 	<div id="delete-action">
 	<?php
-	if ( current_user_can( 'delete_post', $post->ID ) ) {
-		if ( EMPTY_TRASH_DAYS && MEDIA_TRASH ) {
-			echo "<a class='submitdelete deletion' href='" . get_delete_post_link( $post->ID ) . "'>" . __( 'Move to Trash' ) . '</a>';
-		} else {
-			$delete_ays = ! MEDIA_TRASH ? " onclick='return showNotice.warn();'" : '';
-			echo "<a class='submitdelete deletion'$delete_ays href='" . get_delete_post_link( $post->ID, null, true ) . "'>" . __( 'Delete permanently' ) . '</a>';
-		}
-	}
-	?>
+    if ( current_user_can( 'delete_post', $post->ID ) ) {
+        if ( EMPTY_TRASH_DAYS && MEDIA_TRASH ) {
+            echo "<a class='submitdelete deletion' href='" . get_delete_post_link( $post->ID ) . "'>" . __( 'Move to Trash' ) . '</a>';
+        } else {
+            $delete_ays = ! MEDIA_TRASH ? " onclick='return showNotice.warn();'" : '';
+            echo "<a class='submitdelete deletion'$delete_ays href='" . get_delete_post_link( $post->ID, null, true ) . "'>" . __( 'Delete permanently' ) . '</a>';
+        }
+    }
+    ?>
 	</div>
 
 	<div id="publishing-action">
@@ -477,19 +477,19 @@ 
  * }
  */
 function post_format_meta_box( $post, $box ) {
-	if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post->post_type, 'post-formats' ) ) :
-		$post_formats = get_theme_support( 'post-formats' );
-
-		if ( is_array( $post_formats[0] ) ) :
-			$post_format = get_post_format( $post->ID );
-			if ( ! $post_format ) {
-				$post_format = '0';
-			}
-			// Add in the current one if it isn't there yet, in case the active theme doesn't support it.
-			if ( $post_format && ! in_array( $post_format, $post_formats[0], true ) ) {
-				$post_formats[0][] = $post_format;
-			}
-			?>
+    if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post->post_type, 'post-formats' ) ) :
+        $post_formats = get_theme_support( 'post-formats' );
+
+        if ( is_array( $post_formats[0] ) ) :
+            $post_format = get_post_format( $post->ID );
+            if ( ! $post_format ) {
+                $post_format = '0';
+            }
+            // Add in the current one if it isn't there yet, in case the active theme doesn't support it.
+            if ( $post_format && ! in_array( $post_format, $post_formats[0], true ) ) {
+                $post_formats[0][] = $post_format;
+            }
+            ?>
 		<div id="post-formats-select">
 		<fieldset>
 			<legend class="screen-reader-text"><?php _e( 'Post Formats' ); ?></legend>
@@ -500,7 +500,7 @@ 
 		</fieldset>
 	</div>
 			<?php
-	endif;
+    endif;
 endif;
 }
 
@@ -526,22 +526,22 @@ 
  * }
  */
 function post_tags_meta_box( $post, $box ) {
-	$defaults = array( 'taxonomy' => 'post_tag' );
-	if ( ! isset( $box['args'] ) || ! is_array( $box['args'] ) ) {
-		$args = array();
-	} else {
-		$args = $box['args'];
-	}
-	$parsed_args           = wp_parse_args( $args, $defaults );
-	$tax_name              = esc_attr( $parsed_args['taxonomy'] );
-	$taxonomy              = get_taxonomy( $parsed_args['taxonomy'] );
-	$user_can_assign_terms = current_user_can( $taxonomy->cap->assign_terms );
-	$comma                 = _x( ',', 'tag delimiter' );
-	$terms_to_edit         = get_terms_to_edit( $post->ID, $tax_name );
-	if ( ! is_string( $terms_to_edit ) ) {
-		$terms_to_edit = '';
-	}
-	?>
+    $defaults = array( 'taxonomy' => 'post_tag' );
+    if ( ! isset( $box['args'] ) || ! is_array( $box['args'] ) ) {
+        $args = array();
+    } else {
+        $args = $box['args'];
+    }
+    $parsed_args           = wp_parse_args( $args, $defaults );
+    $tax_name              = esc_attr( $parsed_args['taxonomy'] );
+    $taxonomy              = get_taxonomy( $parsed_args['taxonomy'] );
+    $user_can_assign_terms = current_user_can( $taxonomy->cap->assign_terms );
+    $comma                 = _x( ',', 'tag delimiter' );
+    $terms_to_edit         = get_terms_to_edit( $post->ID, $tax_name );
+    if ( ! is_string( $terms_to_edit ) ) {
+        $terms_to_edit = '';
+    }
+    ?>
 <div class="tagsdiv" id="<?php echo $tax_name; ?>">
 	<div class="jaxtag">
 	<div class="nojs-tags hide-if-js">
@@ -589,16 +589,16 @@ 
  * }
  */
 function post_categories_meta_box( $post, $box ) {
-	$defaults = array( 'taxonomy' => 'category' );
-	if ( ! isset( $box['args'] ) || ! is_array( $box['args'] ) ) {
-		$args = array();
-	} else {
-		$args = $box['args'];
-	}
-	$parsed_args = wp_parse_args( $args, $defaults );
-	$tax_name    = esc_attr( $parsed_args['taxonomy'] );
-	$taxonomy    = get_taxonomy( $parsed_args['taxonomy'] );
-	?>
+    $defaults = array( 'taxonomy' => 'category' );
+    if ( ! isset( $box['args'] ) || ! is_array( $box['args'] ) ) {
+        $args = array();
+    } else {
+        $args = $box['args'];
+    }
+    $parsed_args = wp_parse_args( $args, $defaults );
+    $tax_name    = esc_attr( $parsed_args['taxonomy'] );
+    $taxonomy    = get_taxonomy( $parsed_args['taxonomy'] );
+    ?>
 	<div id="taxonomy-<?php echo $tax_name; ?>" class="categorydiv">
 		<ul id="<?php echo $tax_name; ?>-tabs" class="category-tabs">
 			<li class="tabs"><a href="#<?php echo $tax_name; ?>-all"><?php echo $taxonomy->labels->all_items; ?></a></li>
@@ -613,29 +613,29 @@ 
 
 		<div id="<?php echo $tax_name; ?>-all" class="tabs-panel">
 			<?php
-			$name = ( 'category' === $tax_name ) ? 'post_category' : 'tax_input[' . $tax_name . ']';
-			// Allows for an empty term set to be sent. 0 is an invalid term ID and will be ignored by empty() checks.
-			echo "<input type='hidden' name='{$name}[]' value='0' />";
-			?>
+            $name = ( 'category' === $tax_name ) ? 'post_category' : 'tax_input[' . $tax_name . ']';
+            // Allows for an empty term set to be sent. 0 is an invalid term ID and will be ignored by empty() checks.
+            echo "<input type='hidden' name='{$name}[]' value='0' />";
+            ?>
 			<ul id="<?php echo $tax_name; ?>checklist" data-wp-lists="list:<?php echo $tax_name; ?>" class="categorychecklist form-no-clear">
 				<?php
-				wp_terms_checklist(
-					$post->ID,
-					array(
-						'taxonomy'     => $tax_name,
-						'popular_cats' => $popular_ids,
-					)
-				);
-				?>
+                wp_terms_checklist(
+                    $post->ID,
+                    array(
+                        'taxonomy'     => $tax_name,
+                        'popular_cats' => $popular_ids,
+                    )
+                );
+                ?>
 			</ul>
 		</div>
 	<?php if ( current_user_can( $taxonomy->cap->edit_terms ) ) : ?>
 			<div id="<?php echo $tax_name; ?>-adder" class="wp-hidden-children">
 				<a id="<?php echo $tax_name; ?>-add-toggle" href="#<?php echo $tax_name; ?>-add" class="hide-if-no-js taxonomy-add-new">
 					<?php
-						/* translators: %s: Add New taxonomy label. */
-						printf( __( '+ %s' ), $taxonomy->labels->add_new_item );
-					?>
+                        /* translators: %s: Add New taxonomy label. */
+                        printf( __( '+ %s' ), $taxonomy->labels->add_new_item );
+                    ?>
 				</a>
 				<p id="<?php echo $tax_name; ?>-add" class="category-add wp-hidden-child">
 					<label class="screen-reader-text" for="new<?php echo $tax_name; ?>"><?php echo $taxonomy->labels->add_new_item; ?></label>
@@ -644,43 +644,43 @@ 
 						<?php echo $taxonomy->labels->parent_item_colon; ?>
 					</label>
 					<?php
-					$parent_dropdown_args = array(
-						'taxonomy'         => $tax_name,
-						'hide_empty'       => 0,
-						'name'             => 'new' . $tax_name . '_parent',
-						'orderby'          => 'name',
-						'hierarchical'     => 1,
-						'show_option_none' => '&mdash; ' . $taxonomy->labels->parent_item . ' &mdash;',
-					);
-
-					/**
-					 * Filters the arguments for the taxonomy parent dropdown on the Post Edit page.
-					 *
-					 * @since 4.4.0
-					 *
-					 * @param array $parent_dropdown_args {
-					 *     Optional. Array of arguments to generate parent dropdown.
-					 *
-					 *     @type string   $taxonomy         Name of the taxonomy to retrieve.
-					 *     @type bool     $hide_if_empty    True to skip generating markup if no
-					 *                                      categories are found. Default 0.
-					 *     @type string   $name             Value for the 'name' attribute
-					 *                                      of the select element.
-					 *                                      Default "new{$tax_name}_parent".
-					 *     @type string   $orderby          Which column to use for ordering
-					 *                                      terms. Default 'name'.
-					 *     @type bool|int $hierarchical     Whether to traverse the taxonomy
-					 *                                      hierarchy. Default 1.
-					 *     @type string   $show_option_none Text to display for the "none" option.
-					 *                                      Default "&mdash; {$parent} &mdash;",
-					 *                                      where `$parent` is 'parent_item'
-					 *                                      taxonomy label.
-					 * }
-					 */
-					$parent_dropdown_args = apply_filters( 'post_edit_category_parent_dropdown_args', $parent_dropdown_args );
-
-					wp_dropdown_categories( $parent_dropdown_args );
-					?>
+                    $parent_dropdown_args = array(
+                        'taxonomy'         => $tax_name,
+                        'hide_empty'       => 0,
+                        'name'             => 'new' . $tax_name . '_parent',
+                        'orderby'          => 'name',
+                        'hierarchical'     => 1,
+                        'show_option_none' => '&mdash; ' . $taxonomy->labels->parent_item . ' &mdash;',
+                    );
+
+                    /**
+                     * Filters the arguments for the taxonomy parent dropdown on the Post Edit page.
+                     *
+                     * @since 4.4.0
+                     *
+                     * @param array $parent_dropdown_args {
+                     *     Optional. Array of arguments to generate parent dropdown.
+                     *
+                     *     @type string   $taxonomy         Name of the taxonomy to retrieve.
+                     *     @type bool     $hide_if_empty    True to skip generating markup if no
+                     *                                      categories are found. Default 0.
+                     *     @type string   $name             Value for the 'name' attribute
+                     *                                      of the select element.
+                     *                                      Default "new{$tax_name}_parent".
+                     *     @type string   $orderby          Which column to use for ordering
+                     *                                      terms. Default 'name'.
+                     *     @type bool|int $hierarchical     Whether to traverse the taxonomy
+                     *                                      hierarchy. Default 1.
+                     *     @type string   $show_option_none Text to display for the "none" option.
+                     *                                      Default "&mdash; {$parent} &mdash;",
+                     *                                      where `$parent` is 'parent_item'
+                     *                                      taxonomy label.
+                     * }
+                     */
+                    $parent_dropdown_args = apply_filters( 'post_edit_category_parent_dropdown_args', $parent_dropdown_args );
+
+                    wp_dropdown_categories( $parent_dropdown_args );
+                    ?>
 					<input type="button" id="<?php echo $tax_name; ?>-add-submit" data-wp-lists="add:<?php echo $tax_name; ?>checklist:<?php echo $tax_name; ?>-add" class="button category-add-submit" value="<?php echo esc_attr( $taxonomy->labels->add_new_item ); ?>" />
 					<?php wp_nonce_field( 'add-' . $tax_name, '_ajax_nonce-add-' . $tax_name, false ); ?>
 					<span id="<?php echo $tax_name; ?>-ajax-response"></span>
@@ -699,16 +699,16 @@ 
  * @param WP_Post $post Current post object.
  */
 function post_excerpt_meta_box( $post ) {
-	?>
+    ?>
 <label class="screen-reader-text" for="excerpt"><?php _e( 'Excerpt' ); ?></label><textarea rows="1" cols="40" name="excerpt" id="excerpt"><?php echo $post->post_excerpt; // textarea_escaped ?></textarea>
 <p>
 	<?php
-	printf(
-		/* translators: %s: Documentation URL. */
-		__( 'Excerpts are optional hand-crafted summaries of your content that can be used in your theme. <a href="%s">Learn more about manual excerpts</a>.' ),
-		__( 'https://wordpress.org/support/article/excerpt/' )
-	);
-	?>
+    printf(
+        /* translators: %s: Documentation URL. */
+        __( 'Excerpts are optional hand-crafted summaries of your content that can be used in your theme. <a href="%s">Learn more about manual excerpts</a>.' ),
+        __( 'https://wordpress.org/support/article/excerpt/' )
+    );
+    ?>
 </p>
 	<?php
 }
@@ -721,19 +721,19 @@ 
  * @param WP_Post $post Current post object.
  */
 function post_trackback_meta_box( $post ) {
-	$form_trackback = '<input type="text" name="trackback_url" id="trackback_url" class="code" value="' .
-		esc_attr( str_replace( "\n", ' ', $post->to_ping ) ) . '" aria-describedby="trackback-url-desc" />';
-
-	if ( '' !== $post->pinged ) {
-		$pings          = '<p>' . __( 'Already pinged:' ) . '</p><ul>';
-		$already_pinged = explode( "\n", trim( $post->pinged ) );
-		foreach ( $already_pinged as $pinged_url ) {
-			$pings .= "\n\t<li>" . esc_html( $pinged_url ) . '</li>';
-		}
-		$pings .= '</ul>';
-	}
-
-	?>
+    $form_trackback = '<input type="text" name="trackback_url" id="trackback_url" class="code" value="' .
+        esc_attr( str_replace( "\n", ' ', $post->to_ping ) ) . '" aria-describedby="trackback-url-desc" />';
+
+    if ( '' !== $post->pinged ) {
+        $pings          = '<p>' . __( 'Already pinged:' ) . '</p><ul>';
+        $already_pinged = explode( "\n", trim( $post->pinged ) );
+        foreach ( $already_pinged as $pinged_url ) {
+            $pings .= "\n\t<li>" . esc_html( $pinged_url ) . '</li>';
+        }
+        $pings .= '</ul>';
+    }
+
+    ?>
 <p>
 	<label for="trackback_url"><?php _e( 'Send trackbacks to:' ); ?></label>
 	<?php echo $form_trackback; ?>
@@ -741,17 +741,17 @@ 
 <p id="trackback-url-desc" class="howto"><?php _e( 'Separate multiple URLs with spaces' ); ?></p>
 <p>
 	<?php
-	printf(
-		/* translators: %s: Documentation URL. */
-		__( 'Trackbacks are a way to notify legacy blog systems that you&#8217;ve linked to them. If you link other WordPress sites, they&#8217;ll be notified automatically using <a href="%s">pingbacks</a>, no other action necessary.' ),
-		__( 'https://wordpress.org/support/article/introduction-to-blogging/#comments' )
-	);
-	?>
+    printf(
+        /* translators: %s: Documentation URL. */
+        __( 'Trackbacks are a way to notify legacy blog systems that you&#8217;ve linked to them. If you link other WordPress sites, they&#8217;ll be notified automatically using <a href="%s">pingbacks</a>, no other action necessary.' ),
+        __( 'https://wordpress.org/support/article/introduction-to-blogging/#comments' )
+    );
+    ?>
 </p>
 	<?php
-	if ( ! empty( $pings ) ) {
-		echo $pings;
-	}
+    if ( ! empty( $pings ) ) {
+        echo $pings;
+    }
 }
 
 /**
@@ -762,28 +762,28 @@ 
  * @param WP_Post $post Current post object.
  */
 function post_custom_meta_box( $post ) {
-	?>
+    ?>
 <div id="postcustomstuff">
 <div id="ajax-response"></div>
 	<?php
-	$metadata = has_meta( $post->ID );
-	foreach ( $metadata as $key => $value ) {
-		if ( is_protected_meta( $metadata[ $key ]['meta_key'], 'post' ) || ! current_user_can( 'edit_post_meta', $post->ID, $metadata[ $key ]['meta_key'] ) ) {
-			unset( $metadata[ $key ] );
-		}
-	}
-	list_meta( $metadata );
-	meta_form( $post );
-	?>
+    $metadata = has_meta( $post->ID );
+    foreach ( $metadata as $key => $value ) {
+        if ( is_protected_meta( $metadata[ $key ]['meta_key'], 'post' ) || ! current_user_can( 'edit_post_meta', $post->ID, $metadata[ $key ]['meta_key'] ) ) {
+            unset( $metadata[ $key ] );
+        }
+    }
+    list_meta( $metadata );
+    meta_form( $post );
+    ?>
 </div>
 <p>
 	<?php
-	printf(
-		/* translators: %s: Documentation URL. */
-		__( 'Custom fields can be used to add extra metadata to a post that you can <a href="%s">use in your theme</a>.' ),
-		__( 'https://wordpress.org/support/article/custom-fields/' )
-	);
-	?>
+    printf(
+        /* translators: %s: Documentation URL. */
+        __( 'Custom fields can be used to add extra metadata to a post that you can <a href="%s">use in your theme</a>.' ),
+        __( 'https://wordpress.org/support/article/custom-fields/' )
+    );
+    ?>
 </p>
 	<?php
 }
@@ -796,29 +796,29 @@ 
  * @param WP_Post $post Current post object.
  */
 function post_comment_status_meta_box( $post ) {
-	?>
+    ?>
 <input name="advanced_view" type="hidden" value="1" />
 <p class="meta-options">
 	<label for="comment_status" class="selectit"><input name="comment_status" type="checkbox" id="comment_status" value="open" <?php checked( $post->comment_status, 'open' ); ?> /> <?php _e( 'Allow comments' ); ?></label><br />
 	<label for="ping_status" class="selectit"><input name="ping_status" type="checkbox" id="ping_status" value="open" <?php checked( $post->ping_status, 'open' ); ?> />
 		<?php
-		printf(
-			/* translators: %s: Documentation URL. */
-			__( 'Allow <a href="%s">trackbacks and pingbacks</a> on this page' ),
-			__( 'https://wordpress.org/support/article/introduction-to-blogging/#managing-comments' )
-		);
-		?>
+        printf(
+            /* translators: %s: Documentation URL. */
+            __( 'Allow <a href="%s">trackbacks and pingbacks</a> on this page' ),
+            __( 'https://wordpress.org/support/article/introduction-to-blogging/#managing-comments' )
+        );
+        ?>
 	</label>
 	<?php
-	/**
-	 * Fires at the end of the Discussion meta box on the post editing screen.
-	 *
-	 * @since 3.1.0
-	 *
-	 * @param WP_Post $post WP_Post object for the current post.
-	 */
-	do_action( 'post_comment_status_meta_box-options', $post ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
-	?>
+    /**
+     * Fires at the end of the Discussion meta box on the post editing screen.
+     *
+     * @since 3.1.0
+     *
+     * @param WP_Post $post WP_Post object for the current post.
+     */
+    do_action( 'post_comment_status_meta_box-options', $post ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
+    ?>
 </p>
 	<?php
 }
@@ -832,8 +832,8 @@ 
  * @return array
  */
 function post_comment_meta_box_thead( $result ) {
-	unset( $result['cb'], $result['response'] );
-	return $result;
+    unset( $result['cb'], $result['response'] );
+    return $result;
 }
 
 /**
@@ -844,37 +844,37 @@ 
  * @param WP_Post $post Current post object.
  */
 function post_comment_meta_box( $post ) {
-	wp_nonce_field( 'get-comments', 'add_comment_nonce', false );
-	?>
+    wp_nonce_field( 'get-comments', 'add_comment_nonce', false );
+    ?>
 	<p class="hide-if-no-js" id="add-new-comment"><button type="button" class="button" onclick="window.commentReply && commentReply.addcomment(<?php echo $post->ID; ?>);"><?php _e( 'Add Comment' ); ?></button></p>
 	<?php
 
-	$total         = get_comments(
-		array(
-			'post_id' => $post->ID,
-			'number'  => 1,
-			'count'   => true,
-		)
-	);
-	$wp_list_table = _get_list_table( 'WP_Post_Comments_List_Table' );
-	$wp_list_table->display( true );
-
-	if ( 1 > $total ) {
-		echo '<p id="no-comments">' . __( 'No comments yet.' ) . '</p>';
-	} else {
-		$hidden = get_hidden_meta_boxes( get_current_screen() );
-		if ( ! in_array( 'commentsdiv', $hidden, true ) ) {
-			?>
+    $total         = get_comments(
+        array(
+            'post_id' => $post->ID,
+            'number'  => 1,
+            'count'   => true,
+        )
+    );
+    $wp_list_table = _get_list_table( 'WP_Post_Comments_List_Table' );
+    $wp_list_table->display( true );
+
+    if ( 1 > $total ) {
+        echo '<p id="no-comments">' . __( 'No comments yet.' ) . '</p>';
+    } else {
+        $hidden = get_hidden_meta_boxes( get_current_screen() );
+        if ( ! in_array( 'commentsdiv', $hidden, true ) ) {
+            ?>
 			<script type="text/javascript">jQuery(function(){commentsBox.get(<?php echo $total; ?>, 10);});</script>
 			<?php
-		}
+        }
 
-		?>
+        ?>
 		<p class="hide-if-no-js" id="show-comments"><a href="#commentstatusdiv" onclick="commentsBox.load(<?php echo $total; ?>);return false;"><?php _e( 'Show comments' ); ?></a> <span class="spinner"></span></p>
 		<?php
-	}
+    }
 
-	wp_comment_trashnotice();
+    wp_comment_trashnotice();
 }
 
 /**
@@ -885,9 +885,9 @@ 
  * @param WP_Post $post Current post object.
  */
 function post_slug_meta_box( $post ) {
-	/** This filter is documented in wp-admin/edit-tag-form.php */
-	$editable_slug = apply_filters( 'editable_slug', $post->post_name, $post );
-	?>
+    /** This filter is documented in wp-admin/edit-tag-form.php */
+    $editable_slug = apply_filters( 'editable_slug', $post->post_name, $post );
+    ?>
 <label class="screen-reader-text" for="post_name"><?php _e( 'Slug' ); ?></label><input name="post_name" type="text" size="13" id="post_name" value="<?php echo esc_attr( $editable_slug ); ?>" />
 	<?php
 }
@@ -902,21 +902,21 @@ 
  * @param WP_Post $post Current post object.
  */
 function post_author_meta_box( $post ) {
-	global $user_ID;
+    global $user_ID;
 
-	$post_type_object = get_post_type_object( $post->post_type );
-	?>
+    $post_type_object = get_post_type_object( $post->post_type );
+    ?>
 <label class="screen-reader-text" for="post_author_override"><?php _e( 'Author' ); ?></label>
 	<?php
-	wp_dropdown_users(
-		array(
-			'capability'       => array( $post_type_object->cap->edit_posts ),
-			'name'             => 'post_author_override',
-			'selected'         => empty( $post->ID ) ? $user_ID : $post->post_author,
-			'include_selected' => true,
-			'show'             => 'display_name_with_login',
-		)
-	);
+    wp_dropdown_users(
+        array(
+            'capability'       => array( $post_type_object->cap->edit_posts ),
+            'name'             => 'post_author_override',
+            'selected'         => empty( $post->ID ) ? $user_ID : $post->post_author,
+            'include_selected' => true,
+            'show'             => 'display_name_with_login',
+        )
+    );
 }
 
 /**
@@ -927,7 +927,7 @@ 
  * @param WP_Post $post Current post object.
  */
 function post_revisions_meta_box( $post ) {
-	wp_list_post_revisions( $post );
+    wp_list_post_revisions( $post );
 }
 
 //
@@ -942,67 +942,67 @@ 
  * @param WP_Post $post Current post object.
  */
 function page_attributes_meta_box( $post ) {
-	if ( is_post_type_hierarchical( $post->post_type ) ) :
-		$dropdown_args = array(
-			'post_type'        => $post->post_type,
-			'exclude_tree'     => $post->ID,
-			'selected'         => $post->post_parent,
-			'name'             => 'parent_id',
-			'show_option_none' => __( '(no parent)' ),
-			'sort_column'      => 'menu_order, post_title',
-			'echo'             => 0,
-		);
-
-		/**
-		 * Filters the arguments used to generate a Pages drop-down element.
-		 *
-		 * @since 3.3.0
-		 *
-		 * @see wp_dropdown_pages()
-		 *
-		 * @param array   $dropdown_args Array of arguments used to generate the pages drop-down.
-		 * @param WP_Post $post          The current post.
-		 */
-		$dropdown_args = apply_filters( 'page_attributes_dropdown_pages_args', $dropdown_args, $post );
-		$pages         = wp_dropdown_pages( $dropdown_args );
-		if ( ! empty( $pages ) ) :
-			?>
+    if ( is_post_type_hierarchical( $post->post_type ) ) :
+        $dropdown_args = array(
+            'post_type'        => $post->post_type,
+            'exclude_tree'     => $post->ID,
+            'selected'         => $post->post_parent,
+            'name'             => 'parent_id',
+            'show_option_none' => __( '(no parent)' ),
+            'sort_column'      => 'menu_order, post_title',
+            'echo'             => 0,
+        );
+
+        /**
+         * Filters the arguments used to generate a Pages drop-down element.
+         *
+         * @since 3.3.0
+         *
+         * @see wp_dropdown_pages()
+         *
+         * @param array   $dropdown_args Array of arguments used to generate the pages drop-down.
+         * @param WP_Post $post          The current post.
+         */
+        $dropdown_args = apply_filters( 'page_attributes_dropdown_pages_args', $dropdown_args, $post );
+        $pages         = wp_dropdown_pages( $dropdown_args );
+        if ( ! empty( $pages ) ) :
+            ?>
 <p class="post-attributes-label-wrapper parent-id-label-wrapper"><label class="post-attributes-label" for="parent_id"><?php _e( 'Parent' ); ?></label></p>
 			<?php echo $pages; ?>
 			<?php
-		endif; // End empty pages check.
-	endif;  // End hierarchical check.
+        endif; // End empty pages check.
+    endif;  // End hierarchical check.
 
-	if ( count( get_page_templates( $post ) ) > 0 && get_option( 'page_for_posts' ) != $post->ID ) :
-		$template = ! empty( $post->page_template ) ? $post->page_template : false;
-		?>
+    if ( count( get_page_templates( $post ) ) > 0 && get_option( 'page_for_posts' ) != $post->ID ) :
+        $template = ! empty( $post->page_template ) ? $post->page_template : false;
+        ?>
 <p class="post-attributes-label-wrapper page-template-label-wrapper"><label class="post-attributes-label" for="page_template"><?php _e( 'Template' ); ?></label>
 		<?php
-		/**
-		 * Fires immediately after the label inside the 'Template' section
-		 * of the 'Page Attributes' meta box.
-		 *
-		 * @since 4.4.0
-		 *
-		 * @param string|false $template The template used for the current post.
-		 * @param WP_Post      $post     The current post.
-		 */
-		do_action( 'page_attributes_meta_box_template', $template, $post );
-		?>
+        /**
+         * Fires immediately after the label inside the 'Template' section
+         * of the 'Page Attributes' meta box.
+         *
+         * @since 4.4.0
+         *
+         * @param string|false $template The template used for the current post.
+         * @param WP_Post      $post     The current post.
+         */
+        do_action( 'page_attributes_meta_box_template', $template, $post );
+        ?>
 </p>
 <select name="page_template" id="page_template">
 		<?php
-		/**
-		 * Filters the title of the default page template displayed in the drop-down.
-		 *
-		 * @since 4.1.0
-		 *
-		 * @param string $label   The display value for the default page template title.
-		 * @param string $context Where the option label is displayed. Possible values
-		 *                        include 'meta-box' or 'quick-edit'.
-		 */
-		$default_title = apply_filters( 'default_page_template_title', __( 'Default template' ), 'meta-box' );
-		?>
+        /**
+         * Filters the title of the default page template displayed in the drop-down.
+         *
+         * @since 4.1.0
+         *
+         * @param string $label   The display value for the default page template title.
+         * @param string $context Where the option label is displayed. Possible values
+         *                        include 'meta-box' or 'quick-edit'.
+         */
+        $default_title = apply_filters( 'default_page_template_title', __( 'Default template' ), 'meta-box' );
+        ?>
 <option value="default"><?php echo esc_html( $default_title ); ?></option>
 		<?php page_template_dropdown( $template, $post->post_type ); ?>
 </select>
@@ -1011,20 +1011,20 @@ 
 <p class="post-attributes-label-wrapper menu-order-label-wrapper"><label class="post-attributes-label" for="menu_order"><?php _e( 'Order' ); ?></label></p>
 <input name="menu_order" type="text" size="4" id="menu_order" value="<?php echo esc_attr( $post->menu_order ); ?>" />
 		<?php
-		/**
-		 * Fires before the help hint text in the 'Page Attributes' meta box.
-		 *
-		 * @since 4.9.0
-		 *
-		 * @param WP_Post $post The current post.
-		 */
-		do_action( 'page_attributes_misc_attributes', $post );
-		?>
+        /**
+         * Fires before the help hint text in the 'Page Attributes' meta box.
+         *
+         * @since 4.9.0
+         *
+         * @param WP_Post $post The current post.
+         */
+        do_action( 'page_attributes_misc_attributes', $post );
+        ?>
 		<?php if ( 'page' === $post->post_type && get_current_screen()->get_help_tabs() ) : ?>
 <p class="post-attributes-help-text"><?php _e( 'Need help? Use the Help tab above the screen title.' ); ?></p>
 			<?php
-	endif;
-	endif;
+    endif;
+    endif;
 }
 
 //
@@ -1039,7 +1039,7 @@ 
  * @param object $link Current link object.
  */
 function link_submit_meta_box( $link ) {
-	?>
+    ?>
 <div class="submitbox" id="submitlink">
 
 <div id="minor-publishing">
@@ -1068,21 +1068,21 @@ 
 
 <div id="major-publishing-actions">
 	<?php
-	/** This action is documented in wp-admin/includes/meta-boxes.php */
-	do_action( 'post_submitbox_start', null );
-	?>
+    /** This action is documented in wp-admin/includes/meta-boxes.php */
+    do_action( 'post_submitbox_start', null );
+    ?>
 <div id="delete-action">
 	<?php
-	if ( ! empty( $_GET['action'] ) && 'edit' === $_GET['action'] && current_user_can( 'manage_links' ) ) {
-		printf(
-			'<a class="submitdelete deletion" href="%s" onclick="return confirm( \'%s\' );">%s</a>',
-			wp_nonce_url( "link.php?action=delete&amp;link_id=$link->link_id", 'delete-bookmark_' . $link->link_id ),
-			/* translators: %s: Link name. */
-			esc_js( sprintf( __( "You are about to delete this link '%s'\n  'Cancel' to stop, 'OK' to delete." ), $link->link_name ) ),
-			__( 'Delete' )
-		);
-	}
-	?>
+    if ( ! empty( $_GET['action'] ) && 'edit' === $_GET['action'] && current_user_can( 'manage_links' ) ) {
+        printf(
+            '<a class="submitdelete deletion" href="%s" onclick="return confirm( \'%s\' );">%s</a>',
+            wp_nonce_url( "link.php?action=delete&amp;link_id=$link->link_id", 'delete-bookmark_' . $link->link_id ),
+            /* translators: %s: Link name. */
+            esc_js( sprintf( __( "You are about to delete this link '%s'\n  'Cancel' to stop, 'OK' to delete." ), $link->link_name ) ),
+            __( 'Delete' )
+        );
+    }
+    ?>
 </div>
 
 <div id="publishing-action">
@@ -1095,13 +1095,13 @@ 
 <div class="clear"></div>
 </div>
 	<?php
-	/**
-	 * Fires at the end of the Publish box in the Link editing screen.
-	 *
-	 * @since 2.5.0
-	 */
-	do_action( 'submitlink_box' );
-	?>
+    /**
+     * Fires at the end of the Publish box in the Link editing screen.
+     *
+     * @since 2.5.0
+     */
+    do_action( 'submitlink_box' );
+    ?>
 <div class="clear"></div>
 </div>
 	<?php
@@ -1115,7 +1115,7 @@ 
  * @param object $link Current link object.
  */
 function link_categories_meta_box( $link ) {
-	?>
+    ?>
 <div id="taxonomy-linkcategory" class="categorydiv">
 	<ul id="category-tabs" class="category-tabs">
 		<li class="tabs"><a href="#categories-all"><?php _e( 'All categories' ); ?></a></li>
@@ -1125,12 +1125,12 @@ 
 	<div id="categories-all" class="tabs-panel">
 		<ul id="categorychecklist" data-wp-lists="list:category" class="categorychecklist form-no-clear">
 			<?php
-			if ( isset( $link->link_id ) ) {
-				wp_link_category_checklist( $link->link_id );
-			} else {
-				wp_link_category_checklist();
-			}
-			?>
+            if ( isset( $link->link_id ) ) {
+                wp_link_category_checklist( $link->link_id );
+            } else {
+                wp_link_category_checklist();
+            }
+            ?>
 		</ul>
 	</div>
 
@@ -1163,7 +1163,7 @@ 
  */
 function link_target_meta_box( $link ) {
 
-	?>
+    ?>
 <fieldset><legend class="screen-reader-text"><span><?php _e( 'Target' ); ?></span></legend>
 <p><label for="link_target_blank" class="selectit">
 <input id="link_target_blank" type="radio" name="link_target" value="_blank" <?php echo ( isset( $link->link_target ) && ( '_blank' === $link->link_target ) ? 'checked="checked"' : '' ); ?> />
@@ -1195,47 +1195,47 @@ 
  * @param mixed  $deprecated       Deprecated. Not used.
  */
 function xfn_check( $xfn_relationship, $xfn_value = '', $deprecated = '' ) {
-	global $link;
-
-	if ( ! empty( $deprecated ) ) {
-		_deprecated_argument( __FUNCTION__, '2.5.0' ); // Never implemented.
-	}
-
-	$link_rel  = isset( $link->link_rel ) ? $link->link_rel : ''; // In PHP 5.3: $link_rel = $link->link_rel ?: '';
-	$link_rels = preg_split( '/\s+/', $link_rel );
-
-	// Mark the specified value as checked if it matches the current link's relationship.
-	if ( '' !== $xfn_value && in_array( $xfn_value, $link_rels, true ) ) {
-		echo ' checked="checked"';
-	}
-
-	if ( '' === $xfn_value ) {
-		// Mark the 'none' value as checked if the current link does not match the specified relationship.
-		if ( 'family' === $xfn_relationship
-			&& ! array_intersect( $link_rels, array( 'child', 'parent', 'sibling', 'spouse', 'kin' ) )
-		) {
-			echo ' checked="checked"';
-		}
-
-		if ( 'friendship' === $xfn_relationship
-			&& ! array_intersect( $link_rels, array( 'friend', 'acquaintance', 'contact' ) )
-		) {
-			echo ' checked="checked"';
-		}
-
-		if ( 'geographical' === $xfn_relationship
-			&& ! array_intersect( $link_rels, array( 'co-resident', 'neighbor' ) )
-		) {
-			echo ' checked="checked"';
-		}
-
-		// Mark the 'me' value as checked if it matches the current link's relationship.
-		if ( 'identity' === $xfn_relationship
-			&& in_array( 'me', $link_rels, true )
-		) {
-			echo ' checked="checked"';
-		}
-	}
+    global $link;
+
+    if ( ! empty( $deprecated ) ) {
+        _deprecated_argument( __FUNCTION__, '2.5.0' ); // Never implemented.
+    }
+
+    $link_rel  = isset( $link->link_rel ) ? $link->link_rel : ''; // In PHP 5.3: $link_rel = $link->link_rel ?: '';
+    $link_rels = preg_split( '/\s+/', $link_rel );
+
+    // Mark the specified value as checked if it matches the current link's relationship.
+    if ( '' !== $xfn_value && in_array( $xfn_value, $link_rels, true ) ) {
+        echo ' checked="checked"';
+    }
+
+    if ( '' === $xfn_value ) {
+        // Mark the 'none' value as checked if the current link does not match the specified relationship.
+        if ( 'family' === $xfn_relationship
+            && ! array_intersect( $link_rels, array( 'child', 'parent', 'sibling', 'spouse', 'kin' ) )
+        ) {
+            echo ' checked="checked"';
+        }
+
+        if ( 'friendship' === $xfn_relationship
+            && ! array_intersect( $link_rels, array( 'friend', 'acquaintance', 'contact' ) )
+        ) {
+            echo ' checked="checked"';
+        }
+
+        if ( 'geographical' === $xfn_relationship
+            && ! array_intersect( $link_rels, array( 'co-resident', 'neighbor' ) )
+        ) {
+            echo ' checked="checked"';
+        }
+
+        // Mark the 'me' value as checked if it matches the current link's relationship.
+        if ( 'identity' === $xfn_relationship
+            && in_array( 'me', $link_rels, true )
+        ) {
+            echo ' checked="checked"';
+        }
+    }
 }
 
 /**
@@ -1246,7 +1246,7 @@ 
  * @param object $link Current link object.
  */
 function link_xfn_meta_box( $link ) {
-	?>
+    ?>
 <table class="links-table">
 	<tr>
 		<th scope="row"><label for="link_rel"><?php /* translators: xfn: https://gmpg.org/xfn/ */ _e( 'rel:' ); ?></label></th>
@@ -1364,7 +1364,7 @@ 
  * @param object $link Current link object.
  */
 function link_advanced_meta_box( $link ) {
-	?>
+    ?>
 <table class="links-table" cellpadding="0">
 	<tr>
 		<th scope="row"><label for="link_image"><?php _e( 'Image Address' ); ?></label></th>
@@ -1382,14 +1382,14 @@ 
 		<th scope="row"><label for="link_rating"><?php _e( 'Rating' ); ?></label></th>
 		<td><select name="link_rating" id="link_rating" size="1">
 		<?php
-		for ( $rating = 0; $rating <= 10; $rating++ ) {
-			echo '<option value="' . $rating . '"';
-			if ( isset( $link->link_rating ) && $link->link_rating == $rating ) {
-				echo ' selected="selected"';
-			}
-			echo '>' . $rating . '</option>';
-		}
-		?>
+        for ( $rating = 0; $rating <= 10; $rating++ ) {
+            echo '<option value="' . $rating . '"';
+            if ( isset( $link->link_rating ) && $link->link_rating == $rating ) {
+                echo ' selected="selected"';
+            }
+            echo '>' . $rating . '</option>';
+        }
+        ?>
 		</select>&nbsp;<?php _e( '(Leave at 0 for no rating.)' ); ?>
 		</td>
 	</tr>
@@ -1405,8 +1405,8 @@ 
  * @param WP_Post $post Current post object.
  */
 function post_thumbnail_meta_box( $post ) {
-	$thumbnail_id = get_post_meta( $post->ID, '_thumbnail_id', true );
-	echo _wp_post_thumbnail_html( $thumbnail_id, $post->ID );
+    $thumbnail_id = get_post_meta( $post->ID, '_thumbnail_id', true );
+    echo _wp_post_thumbnail_html( $thumbnail_id, $post->ID );
 }
 
 /**
@@ -1417,23 +1417,23 @@ 
  * @param WP_Post $post Current post object.
  */
 function attachment_id3_data_meta_box( $post ) {
-	$meta = array();
-	if ( ! empty( $post->ID ) ) {
-		$meta = wp_get_attachment_metadata( $post->ID );
-	}
-
-	foreach ( wp_get_attachment_id3_keys( $post, 'edit' ) as $key => $label ) :
-		$value = '';
-		if ( ! empty( $meta[ $key ] ) ) {
-			$value = $meta[ $key ];
-		}
-		?>
+    $meta = array();
+    if ( ! empty( $post->ID ) ) {
+        $meta = wp_get_attachment_metadata( $post->ID );
+    }
+
+    foreach ( wp_get_attachment_id3_keys( $post, 'edit' ) as $key => $label ) :
+        $value = '';
+        if ( ! empty( $meta[ $key ] ) ) {
+            $value = $meta[ $key ];
+        }
+        ?>
 	<p>
 		<label for="title"><?php echo $label; ?></label><br />
 		<input type="text" name="id3_<?php echo esc_attr( $key ); ?>" id="id3_<?php echo esc_attr( $key ); ?>" class="large-text" value="<?php echo esc_attr( $value ); ?>" />
 	</p>
 		<?php
-	endforeach;
+    endforeach;
 }
 
 /**
@@ -1444,193 +1444,193 @@ 
  * @param WP_Post $post The post object that these meta boxes are being generated for.
  */
 function register_and_do_post_meta_boxes( $post ) {
-	$post_type        = $post->post_type;
-	$post_type_object = get_post_type_object( $post_type );
-
-	$thumbnail_support = current_theme_supports( 'post-thumbnails', $post_type ) && post_type_supports( $post_type, 'thumbnail' );
-	if ( ! $thumbnail_support && 'attachment' === $post_type && $post->post_mime_type ) {
-		if ( wp_attachment_is( 'audio', $post ) ) {
-			$thumbnail_support = post_type_supports( 'attachment:audio', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:audio' );
-		} elseif ( wp_attachment_is( 'video', $post ) ) {
-			$thumbnail_support = post_type_supports( 'attachment:video', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:video' );
-		}
-	}
-
-	$publish_callback_args = array( '__back_compat_meta_box' => true );
-
-	if ( post_type_supports( $post_type, 'revisions' ) && 'auto-draft' !== $post->post_status ) {
-		$revisions = wp_get_post_revisions( $post->ID, array( 'fields' => 'ids' ) );
-
-		// We should aim to show the revisions meta box only when there are revisions.
-		if ( count( $revisions ) > 1 ) {
-			$publish_callback_args = array(
-				'revisions_count'        => count( $revisions ),
-				'revision_id'            => reset( $revisions ),
-				'__back_compat_meta_box' => true,
-			);
-
-			add_meta_box( 'revisionsdiv', __( 'Revisions' ), 'post_revisions_meta_box', null, 'normal', 'core', array( '__back_compat_meta_box' => true ) );
-		}
-	}
-
-	if ( 'attachment' === $post_type ) {
-		wp_enqueue_script( 'image-edit' );
-		wp_enqueue_style( 'imgareaselect' );
-		add_meta_box( 'submitdiv', __( 'Save' ), 'attachment_submit_meta_box', null, 'side', 'core', array( '__back_compat_meta_box' => true ) );
-		add_action( 'edit_form_after_title', 'edit_form_image_editor' );
-
-		if ( wp_attachment_is( 'audio', $post ) ) {
-			add_meta_box( 'attachment-id3', __( 'Metadata' ), 'attachment_id3_data_meta_box', null, 'normal', 'core', array( '__back_compat_meta_box' => true ) );
-		}
-	} else {
-		add_meta_box( 'submitdiv', __( 'Publish' ), 'post_submit_meta_box', null, 'side', 'core', $publish_callback_args );
-	}
-
-	if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post_type, 'post-formats' ) ) {
-		add_meta_box( 'formatdiv', _x( 'Format', 'post format' ), 'post_format_meta_box', null, 'side', 'core', array( '__back_compat_meta_box' => true ) );
-	}
-
-	// All taxonomies.
-	foreach ( get_object_taxonomies( $post ) as $tax_name ) {
-		$taxonomy = get_taxonomy( $tax_name );
-		if ( ! $taxonomy->show_ui || false === $taxonomy->meta_box_cb ) {
-			continue;
-		}
-
-		$label = $taxonomy->labels->name;
-
-		if ( ! is_taxonomy_hierarchical( $tax_name ) ) {
-			$tax_meta_box_id = 'tagsdiv-' . $tax_name;
-		} else {
-			$tax_meta_box_id = $tax_name . 'div';
-		}
-
-		add_meta_box(
-			$tax_meta_box_id,
-			$label,
-			$taxonomy->meta_box_cb,
-			null,
-			'side',
-			'core',
-			array(
-				'taxonomy'               => $tax_name,
-				'__back_compat_meta_box' => true,
-			)
-		);
-	}
-
-	if ( post_type_supports( $post_type, 'page-attributes' ) || count( get_page_templates( $post ) ) > 0 ) {
-		add_meta_box( 'pageparentdiv', $post_type_object->labels->attributes, 'page_attributes_meta_box', null, 'side', 'core', array( '__back_compat_meta_box' => true ) );
-	}
-
-	if ( $thumbnail_support && current_user_can( 'upload_files' ) ) {
-		add_meta_box( 'postimagediv', esc_html( $post_type_object->labels->featured_image ), 'post_thumbnail_meta_box', null, 'side', 'low', array( '__back_compat_meta_box' => true ) );
-	}
-
-	if ( post_type_supports( $post_type, 'excerpt' ) ) {
-		add_meta_box( 'postexcerpt', __( 'Excerpt' ), 'post_excerpt_meta_box', null, 'normal', 'core', array( '__back_compat_meta_box' => true ) );
-	}
-
-	if ( post_type_supports( $post_type, 'trackbacks' ) ) {
-		add_meta_box( 'trackbacksdiv', __( 'Send Trackbacks' ), 'post_trackback_meta_box', null, 'normal', 'core', array( '__back_compat_meta_box' => true ) );
-	}
-
-	if ( post_type_supports( $post_type, 'custom-fields' ) ) {
-		add_meta_box(
-			'postcustom',
-			__( 'Custom Fields' ),
-			'post_custom_meta_box',
-			null,
-			'normal',
-			'core',
-			array(
-				'__back_compat_meta_box'             => ! (bool) get_user_meta( get_current_user_id(), 'enable_custom_fields', true ),
-				'__block_editor_compatible_meta_box' => true,
-			)
-		);
-	}
-
-	/**
-	 * Fires in the middle of built-in meta box registration.
-	 *
-	 * @since 2.1.0
-	 * @deprecated 3.7.0 Use {@see 'add_meta_boxes'} instead.
-	 *
-	 * @param WP_Post $post Post object.
-	 */
-	do_action_deprecated( 'dbx_post_advanced', array( $post ), '3.7.0', 'add_meta_boxes' );
-
-	// Allow the Discussion meta box to show up if the post type supports comments,
-	// or if comments or pings are open.
-	if ( comments_open( $post ) || pings_open( $post ) || post_type_supports( $post_type, 'comments' ) ) {
-		add_meta_box( 'commentstatusdiv', __( 'Discussion' ), 'post_comment_status_meta_box', null, 'normal', 'core', array( '__back_compat_meta_box' => true ) );
-	}
-
-	$stati = get_post_stati( array( 'public' => true ) );
-	if ( empty( $stati ) ) {
-		$stati = array( 'publish' );
-	}
-	$stati[] = 'private';
-
-	if ( in_array( get_post_status( $post ), $stati, true ) ) {
-		// If the post type support comments, or the post has comments,
-		// allow the Comments meta box.
-		if ( comments_open( $post ) || pings_open( $post ) || $post->comment_count > 0 || post_type_supports( $post_type, 'comments' ) ) {
-			add_meta_box( 'commentsdiv', __( 'Comments' ), 'post_comment_meta_box', null, 'normal', 'core', array( '__back_compat_meta_box' => true ) );
-		}
-	}
-
-	if ( ! ( 'pending' === get_post_status( $post ) && ! current_user_can( $post_type_object->cap->publish_posts ) ) ) {
-		add_meta_box( 'slugdiv', __( 'Slug' ), 'post_slug_meta_box', null, 'normal', 'core', array( '__back_compat_meta_box' => true ) );
-	}
-
-	if ( post_type_supports( $post_type, 'author' ) && current_user_can( $post_type_object->cap->edit_others_posts ) ) {
-		add_meta_box( 'authordiv', __( 'Author' ), 'post_author_meta_box', null, 'normal', 'core', array( '__back_compat_meta_box' => true ) );
-	}
-
-	/**
-	 * Fires after all built-in meta boxes have been added.
-	 *
-	 * @since 3.0.0
-	 *
-	 * @param string  $post_type Post type.
-	 * @param WP_Post $post      Post object.
-	 */
-	do_action( 'add_meta_boxes', $post_type, $post );
-
-	/**
-	 * Fires after all built-in meta boxes have been added, contextually for the given post type.
-	 *
-	 * The dynamic portion of the hook name, `$post_type`, refers to the post type of the post.
-	 *
-	 * Possible hook names include:
-	 *
-	 *  - `add_meta_boxes_post`
-	 *  - `add_meta_boxes_page`
-	 *  - `add_meta_boxes_attachment`
-	 *
-	 * @since 3.0.0
-	 *
-	 * @param WP_Post $post Post object.
-	 */
-	do_action( "add_meta_boxes_{$post_type}", $post );
-
-	/**
-	 * Fires after meta boxes have been added.
-	 *
-	 * Fires once for each of the default meta box contexts: normal, advanced, and side.
-	 *
-	 * @since 3.0.0
-	 *
-	 * @param string                $post_type Post type of the post on Edit Post screen, 'link' on Edit Link screen,
-	 *                                         'dashboard' on Dashboard screen.
-	 * @param string                $context   Meta box context. Possible values include 'normal', 'advanced', 'side'.
-	 * @param WP_Post|object|string $post      Post object on Edit Post screen, link object on Edit Link screen,
-	 *                                         an empty string on Dashboard screen.
-	 */
-	do_action( 'do_meta_boxes', $post_type, 'normal', $post );
-	/** This action is documented in wp-admin/includes/meta-boxes.php */
-	do_action( 'do_meta_boxes', $post_type, 'advanced', $post );
-	/** This action is documented in wp-admin/includes/meta-boxes.php */
-	do_action( 'do_meta_boxes', $post_type, 'side', $post );
+    $post_type        = $post->post_type;
+    $post_type_object = get_post_type_object( $post_type );
+
+    $thumbnail_support = current_theme_supports( 'post-thumbnails', $post_type ) && post_type_supports( $post_type, 'thumbnail' );
+    if ( ! $thumbnail_support && 'attachment' === $post_type && $post->post_mime_type ) {
+        if ( wp_attachment_is( 'audio', $post ) ) {
+            $thumbnail_support = post_type_supports( 'attachment:audio', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:audio' );
+        } elseif ( wp_attachment_is( 'video', $post ) ) {
+            $thumbnail_support = post_type_supports( 'attachment:video', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:video' );
+        }
+    }
+
+    $publish_callback_args = array( '__back_compat_meta_box' => true );
+
+    if ( post_type_supports( $post_type, 'revisions' ) && 'auto-draft' !== $post->post_status ) {
+        $revisions = wp_get_post_revisions( $post->ID, array( 'fields' => 'ids' ) );
+
+        // We should aim to show the revisions meta box only when there are revisions.
+        if ( count( $revisions ) > 1 ) {
+            $publish_callback_args = array(
+                'revisions_count'        => count( $revisions ),
+                'revision_id'            => reset( $revisions ),
+                '__back_compat_meta_box' => true,
+            );
+
+            add_meta_box( 'revisionsdiv', __( 'Revisions' ), 'post_revisions_meta_box', null, 'normal', 'core', array( '__back_compat_meta_box' => true ) );
+        }
+    }
+
+    if ( 'attachment' === $post_type ) {
+        wp_enqueue_script( 'image-edit' );
+        wp_enqueue_style( 'imgareaselect' );
+        add_meta_box( 'submitdiv', __( 'Save' ), 'attachment_submit_meta_box', null, 'side', 'core', array( '__back_compat_meta_box' => true ) );
+        add_action( 'edit_form_after_title', 'edit_form_image_editor' );
+
+        if ( wp_attachment_is( 'audio', $post ) ) {
+            add_meta_box( 'attachment-id3', __( 'Metadata' ), 'attachment_id3_data_meta_box', null, 'normal', 'core', array( '__back_compat_meta_box' => true ) );
+        }
+    } else {
+        add_meta_box( 'submitdiv', __( 'Publish' ), 'post_submit_meta_box', null, 'side', 'core', $publish_callback_args );
+    }
+
+    if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post_type, 'post-formats' ) ) {
+        add_meta_box( 'formatdiv', _x( 'Format', 'post format' ), 'post_format_meta_box', null, 'side', 'core', array( '__back_compat_meta_box' => true ) );
+    }
+
+    // All taxonomies.
+    foreach ( get_object_taxonomies( $post ) as $tax_name ) {
+        $taxonomy = get_taxonomy( $tax_name );
+        if ( ! $taxonomy->show_ui || false === $taxonomy->meta_box_cb ) {
+            continue;
+        }
+
+        $label = $taxonomy->labels->name;
+
+        if ( ! is_taxonomy_hierarchical( $tax_name ) ) {
+            $tax_meta_box_id = 'tagsdiv-' . $tax_name;
+        } else {
+            $tax_meta_box_id = $tax_name . 'div';
+        }
+
+        add_meta_box(
+            $tax_meta_box_id,
+            $label,
+            $taxonomy->meta_box_cb,
+            null,
+            'side',
+            'core',
+            array(
+                'taxonomy'               => $tax_name,
+                '__back_compat_meta_box' => true,
+            )
+        );
+    }
+
+    if ( post_type_supports( $post_type, 'page-attributes' ) || count( get_page_templates( $post ) ) > 0 ) {
+        add_meta_box( 'pageparentdiv', $post_type_object->labels->attributes, 'page_attributes_meta_box', null, 'side', 'core', array( '__back_compat_meta_box' => true ) );
+    }
+
+    if ( $thumbnail_support && current_user_can( 'upload_files' ) ) {
+        add_meta_box( 'postimagediv', esc_html( $post_type_object->labels->featured_image ), 'post_thumbnail_meta_box', null, 'side', 'low', array( '__back_compat_meta_box' => true ) );
+    }
+
+    if ( post_type_supports( $post_type, 'excerpt' ) ) {
+        add_meta_box( 'postexcerpt', __( 'Excerpt' ), 'post_excerpt_meta_box', null, 'normal', 'core', array( '__back_compat_meta_box' => true ) );
+    }
+
+    if ( post_type_supports( $post_type, 'trackbacks' ) ) {
+        add_meta_box( 'trackbacksdiv', __( 'Send Trackbacks' ), 'post_trackback_meta_box', null, 'normal', 'core', array( '__back_compat_meta_box' => true ) );
+    }
+
+    if ( post_type_supports( $post_type, 'custom-fields' ) ) {
+        add_meta_box(
+            'postcustom',
+            __( 'Custom Fields' ),
+            'post_custom_meta_box',
+            null,
+            'normal',
+            'core',
+            array(
+                '__back_compat_meta_box'             => ! (bool) get_user_meta( get_current_user_id(), 'enable_custom_fields', true ),
+                '__block_editor_compatible_meta_box' => true,
+            )
+        );
+    }
+
+    /**
+     * Fires in the middle of built-in meta box registration.
+     *
+     * @since 2.1.0
+     * @deprecated 3.7.0 Use {@see 'add_meta_boxes'} instead.
+     *
+     * @param WP_Post $post Post object.
+     */
+    do_action_deprecated( 'dbx_post_advanced', array( $post ), '3.7.0', 'add_meta_boxes' );
+
+    // Allow the Discussion meta box to show up if the post type supports comments,
+    // or if comments or pings are open.
+    if ( comments_open( $post ) || pings_open( $post ) || post_type_supports( $post_type, 'comments' ) ) {
+        add_meta_box( 'commentstatusdiv', __( 'Discussion' ), 'post_comment_status_meta_box', null, 'normal', 'core', array( '__back_compat_meta_box' => true ) );
+    }
+
+    $stati = get_post_stati( array( 'public' => true ) );
+    if ( empty( $stati ) ) {
+        $stati = array( 'publish' );
+    }
+    $stati[] = 'private';
+
+    if ( in_array( get_post_status( $post ), $stati, true ) ) {
+        // If the post type support comments, or the post has comments,
+        // allow the Comments meta box.
+        if ( comments_open( $post ) || pings_open( $post ) || $post->comment_count > 0 || post_type_supports( $post_type, 'comments' ) ) {
+            add_meta_box( 'commentsdiv', __( 'Comments' ), 'post_comment_meta_box', null, 'normal', 'core', array( '__back_compat_meta_box' => true ) );
+        }
+    }
+
+    if ( ! ( 'pending' === get_post_status( $post ) && ! current_user_can( $post_type_object->cap->publish_posts ) ) ) {
+        add_meta_box( 'slugdiv', __( 'Slug' ), 'post_slug_meta_box', null, 'normal', 'core', array( '__back_compat_meta_box' => true ) );
+    }
+
+    if ( post_type_supports( $post_type, 'author' ) && current_user_can( $post_type_object->cap->edit_others_posts ) ) {
+        add_meta_box( 'authordiv', __( 'Author' ), 'post_author_meta_box', null, 'normal', 'core', array( '__back_compat_meta_box' => true ) );
+    }
+
+    /**
+     * Fires after all built-in meta boxes have been added.
+     *
+     * @since 3.0.0
+     *
+     * @param string  $post_type Post type.
+     * @param WP_Post $post      Post object.
+     */
+    do_action( 'add_meta_boxes', $post_type, $post );
+
+    /**
+     * Fires after all built-in meta boxes have been added, contextually for the given post type.
+     *
+     * The dynamic portion of the hook name, `$post_type`, refers to the post type of the post.
+     *
+     * Possible hook names include:
+     *
+     *  - `add_meta_boxes_post`
+     *  - `add_meta_boxes_page`
+     *  - `add_meta_boxes_attachment`
+     *
+     * @since 3.0.0
+     *
+     * @param WP_Post $post Post object.
+     */
+    do_action( "add_meta_boxes_{$post_type}", $post );
+
+    /**
+     * Fires after meta boxes have been added.
+     *
+     * Fires once for each of the default meta box contexts: normal, advanced, and side.
+     *
+     * @since 3.0.0
+     *
+     * @param string                $post_type Post type of the post on Edit Post screen, 'link' on Edit Link screen,
+     *                                         'dashboard' on Dashboard screen.
+     * @param string                $context   Meta box context. Possible values include 'normal', 'advanced', 'side'.
+     * @param WP_Post|object|string $post      Post object on Edit Post screen, link object on Edit Link screen,
+     *                                         an empty string on Dashboard screen.
+     */
+    do_action( 'do_meta_boxes', $post_type, 'normal', $post );
+    /** This action is documented in wp-admin/includes/meta-boxes.php */
+    do_action( 'do_meta_boxes', $post_type, 'advanced', $post );
+    /** This action is documented in wp-admin/includes/meta-boxes.php */
+    do_action( 'do_meta_boxes', $post_type, 'side', $post );
 }

brighty/wp-admin/includes/bookmark.php

Indentation +232 added lines, -232 removed lines

@@ -14,7 +14,7 @@ 
  * @return int|WP_Error Value 0 or WP_Error on failure. The link ID on success.
  */
 function add_link() {
-	return edit_link();
+    return edit_link();
 }
 
 /**
@@ -26,29 +26,29 @@ 
  * @return int|WP_Error Value 0 or WP_Error on failure. The link ID on success.
  */
 function edit_link( $link_id = 0 ) {
-	if ( ! current_user_can( 'manage_links' ) ) {
-		wp_die(
-			'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
-			'<p>' . __( 'Sorry, you are not allowed to edit the links for this site.' ) . '</p>',
-			403
-		);
-	}
-
-	$_POST['link_url']   = esc_html( $_POST['link_url'] );
-	$_POST['link_url']   = esc_url( $_POST['link_url'] );
-	$_POST['link_name']  = esc_html( $_POST['link_name'] );
-	$_POST['link_image'] = esc_html( $_POST['link_image'] );
-	$_POST['link_rss']   = esc_url( $_POST['link_rss'] );
-	if ( ! isset( $_POST['link_visible'] ) || 'N' !== $_POST['link_visible'] ) {
-		$_POST['link_visible'] = 'Y';
-	}
-
-	if ( ! empty( $link_id ) ) {
-		$_POST['link_id'] = $link_id;
-		return wp_update_link( $_POST );
-	} else {
-		return wp_insert_link( $_POST );
-	}
+    if ( ! current_user_can( 'manage_links' ) ) {
+        wp_die(
+            '<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+            '<p>' . __( 'Sorry, you are not allowed to edit the links for this site.' ) . '</p>',
+            403
+        );
+    }
+
+    $_POST['link_url']   = esc_html( $_POST['link_url'] );
+    $_POST['link_url']   = esc_url( $_POST['link_url'] );
+    $_POST['link_name']  = esc_html( $_POST['link_name'] );
+    $_POST['link_image'] = esc_html( $_POST['link_image'] );
+    $_POST['link_rss']   = esc_url( $_POST['link_rss'] );
+    if ( ! isset( $_POST['link_visible'] ) || 'N' !== $_POST['link_visible'] ) {
+        $_POST['link_visible'] = 'Y';
+    }
+
+    if ( ! empty( $link_id ) ) {
+        $_POST['link_id'] = $link_id;
+        return wp_update_link( $_POST );
+    } else {
+        return wp_insert_link( $_POST );
+    }
 }
 
 /**
@@ -59,22 +59,22 @@ 
  * @return stdClass Default link object.
  */
 function get_default_link_to_edit() {
-	$link = new stdClass;
-	if ( isset( $_GET['linkurl'] ) ) {
-		$link->link_url = esc_url( wp_unslash( $_GET['linkurl'] ) );
-	} else {
-		$link->link_url = '';
-	}
-
-	if ( isset( $_GET['name'] ) ) {
-		$link->link_name = esc_attr( wp_unslash( $_GET['name'] ) );
-	} else {
-		$link->link_name = '';
-	}
-
-	$link->link_visible = 'Y';
-
-	return $link;
+    $link = new stdClass;
+    if ( isset( $_GET['linkurl'] ) ) {
+        $link->link_url = esc_url( wp_unslash( $_GET['linkurl'] ) );
+    } else {
+        $link->link_url = '';
+    }
+
+    if ( isset( $_GET['name'] ) ) {
+        $link->link_name = esc_attr( wp_unslash( $_GET['name'] ) );
+    } else {
+        $link->link_name = '';
+    }
+
+    $link->link_visible = 'Y';
+
+    return $link;
 }
 
 /**
@@ -88,32 +88,32 @@ 
  * @return true Always true.
  */
 function wp_delete_link( $link_id ) {
-	global $wpdb;
-	/**
-	 * Fires before a link is deleted.
-	 *
-	 * @since 2.0.0
-	 *
-	 * @param int $link_id ID of the link to delete.
-	 */
-	do_action( 'delete_link', $link_id );
-
-	wp_delete_object_term_relationships( $link_id, 'link_category' );
-
-	$wpdb->delete( $wpdb->links, array( 'link_id' => $link_id ) );
-
-	/**
-	 * Fires after a link has been deleted.
-	 *
-	 * @since 2.2.0
-	 *
-	 * @param int $link_id ID of the deleted link.
-	 */
-	do_action( 'deleted_link', $link_id );
-
-	clean_bookmark_cache( $link_id );
-
-	return true;
+    global $wpdb;
+    /**
+     * Fires before a link is deleted.
+     *
+     * @since 2.0.0
+     *
+     * @param int $link_id ID of the link to delete.
+     */
+    do_action( 'delete_link', $link_id );
+
+    wp_delete_object_term_relationships( $link_id, 'link_category' );
+
+    $wpdb->delete( $wpdb->links, array( 'link_id' => $link_id ) );
+
+    /**
+     * Fires after a link has been deleted.
+     *
+     * @since 2.2.0
+     *
+     * @param int $link_id ID of the deleted link.
+     */
+    do_action( 'deleted_link', $link_id );
+
+    clean_bookmark_cache( $link_id );
+
+    return true;
 }
 
 /**
@@ -125,8 +125,8 @@ 
  * @return int[] The IDs of the requested link's categories.
  */
 function wp_get_link_cats( $link_id = 0 ) {
-	$cats = wp_get_object_terms( $link_id, 'link_category', array( 'fields' => 'ids' ) );
-	return array_unique( $cats );
+    $cats = wp_get_object_terms( $link_id, 'link_category', array( 'fields' => 'ids' ) );
+    return array_unique( $cats );
 }
 
 /**
@@ -138,7 +138,7 @@ 
  * @return object Link object for editing.
  */
 function get_link_to_edit( $link ) {
-	return get_bookmark( $link, OBJECT, 'edit' );
+    return get_bookmark( $link, OBJECT, 'edit' );
 }
 
 /**
@@ -173,98 +173,98 @@ 
  * @return int|WP_Error Value 0 or WP_Error on failure. The link ID on success.
  */
 function wp_insert_link( $linkdata, $wp_error = false ) {
-	global $wpdb;
-
-	$defaults = array(
-		'link_id'     => 0,
-		'link_name'   => '',
-		'link_url'    => '',
-		'link_rating' => 0,
-	);
-
-	$parsed_args = wp_parse_args( $linkdata, $defaults );
-	$parsed_args = wp_unslash( sanitize_bookmark( $parsed_args, 'db' ) );
-
-	$link_id   = $parsed_args['link_id'];
-	$link_name = $parsed_args['link_name'];
-	$link_url  = $parsed_args['link_url'];
-
-	$update = false;
-	if ( ! empty( $link_id ) ) {
-		$update = true;
-	}
-
-	if ( '' === trim( $link_name ) ) {
-		if ( '' !== trim( $link_url ) ) {
-			$link_name = $link_url;
-		} else {
-			return 0;
-		}
-	}
-
-	if ( '' === trim( $link_url ) ) {
-		return 0;
-	}
-
-	$link_rating      = ( ! empty( $parsed_args['link_rating'] ) ) ? $parsed_args['link_rating'] : 0;
-	$link_image       = ( ! empty( $parsed_args['link_image'] ) ) ? $parsed_args['link_image'] : '';
-	$link_target      = ( ! empty( $parsed_args['link_target'] ) ) ? $parsed_args['link_target'] : '';
-	$link_visible     = ( ! empty( $parsed_args['link_visible'] ) ) ? $parsed_args['link_visible'] : 'Y';
-	$link_owner       = ( ! empty( $parsed_args['link_owner'] ) ) ? $parsed_args['link_owner'] : get_current_user_id();
-	$link_notes       = ( ! empty( $parsed_args['link_notes'] ) ) ? $parsed_args['link_notes'] : '';
-	$link_description = ( ! empty( $parsed_args['link_description'] ) ) ? $parsed_args['link_description'] : '';
-	$link_rss         = ( ! empty( $parsed_args['link_rss'] ) ) ? $parsed_args['link_rss'] : '';
-	$link_rel         = ( ! empty( $parsed_args['link_rel'] ) ) ? $parsed_args['link_rel'] : '';
-	$link_category    = ( ! empty( $parsed_args['link_category'] ) ) ? $parsed_args['link_category'] : array();
-
-	// Make sure we set a valid category.
-	if ( ! is_array( $link_category ) || 0 === count( $link_category ) ) {
-		$link_category = array( get_option( 'default_link_category' ) );
-	}
-
-	if ( $update ) {
-		if ( false === $wpdb->update( $wpdb->links, compact( 'link_url', 'link_name', 'link_image', 'link_target', 'link_description', 'link_visible', 'link_owner', 'link_rating', 'link_rel', 'link_notes', 'link_rss' ), compact( 'link_id' ) ) ) {
-			if ( $wp_error ) {
-				return new WP_Error( 'db_update_error', __( 'Could not update link in the database.' ), $wpdb->last_error );
-			} else {
-				return 0;
-			}
-		}
-	} else {
-		if ( false === $wpdb->insert( $wpdb->links, compact( 'link_url', 'link_name', 'link_image', 'link_target', 'link_description', 'link_visible', 'link_owner', 'link_rating', 'link_rel', 'link_notes', 'link_rss' ) ) ) {
-			if ( $wp_error ) {
-				return new WP_Error( 'db_insert_error', __( 'Could not insert link into the database.' ), $wpdb->last_error );
-			} else {
-				return 0;
-			}
-		}
-		$link_id = (int) $wpdb->insert_id;
-	}
-
-	wp_set_link_cats( $link_id, $link_category );
-
-	if ( $update ) {
-		/**
-		 * Fires after a link was updated in the database.
-		 *
-		 * @since 2.0.0
-		 *
-		 * @param int $link_id ID of the link that was updated.
-		 */
-		do_action( 'edit_link', $link_id );
-	} else {
-		/**
-		 * Fires after a link was added to the database.
-		 *
-		 * @since 2.0.0
-		 *
-		 * @param int $link_id ID of the link that was added.
-		 */
-		do_action( 'add_link', $link_id );
-	}
-	clean_bookmark_cache( $link_id );
-
-	return $link_id;
+    global $wpdb;
+
+    $defaults = array(
+        'link_id'     => 0,
+        'link_name'   => '',
+        'link_url'    => '',
+        'link_rating' => 0,
+    );
+
+    $parsed_args = wp_parse_args( $linkdata, $defaults );
+    $parsed_args = wp_unslash( sanitize_bookmark( $parsed_args, 'db' ) );
+
+    $link_id   = $parsed_args['link_id'];
+    $link_name = $parsed_args['link_name'];
+    $link_url  = $parsed_args['link_url'];
+
+    $update = false;
+    if ( ! empty( $link_id ) ) {
+        $update = true;
+    }
+
+    if ( '' === trim( $link_name ) ) {
+        if ( '' !== trim( $link_url ) ) {
+            $link_name = $link_url;
+        } else {
+            return 0;
+        }
+    }
+
+    if ( '' === trim( $link_url ) ) {
+        return 0;
+    }
+
+    $link_rating      = ( ! empty( $parsed_args['link_rating'] ) ) ? $parsed_args['link_rating'] : 0;
+    $link_image       = ( ! empty( $parsed_args['link_image'] ) ) ? $parsed_args['link_image'] : '';
+    $link_target      = ( ! empty( $parsed_args['link_target'] ) ) ? $parsed_args['link_target'] : '';
+    $link_visible     = ( ! empty( $parsed_args['link_visible'] ) ) ? $parsed_args['link_visible'] : 'Y';
+    $link_owner       = ( ! empty( $parsed_args['link_owner'] ) ) ? $parsed_args['link_owner'] : get_current_user_id();
+    $link_notes       = ( ! empty( $parsed_args['link_notes'] ) ) ? $parsed_args['link_notes'] : '';
+    $link_description = ( ! empty( $parsed_args['link_description'] ) ) ? $parsed_args['link_description'] : '';
+    $link_rss         = ( ! empty( $parsed_args['link_rss'] ) ) ? $parsed_args['link_rss'] : '';
+    $link_rel         = ( ! empty( $parsed_args['link_rel'] ) ) ? $parsed_args['link_rel'] : '';
+    $link_category    = ( ! empty( $parsed_args['link_category'] ) ) ? $parsed_args['link_category'] : array();
+
+    // Make sure we set a valid category.
+    if ( ! is_array( $link_category ) || 0 === count( $link_category ) ) {
+        $link_category = array( get_option( 'default_link_category' ) );
+    }
+
+    if ( $update ) {
+        if ( false === $wpdb->update( $wpdb->links, compact( 'link_url', 'link_name', 'link_image', 'link_target', 'link_description', 'link_visible', 'link_owner', 'link_rating', 'link_rel', 'link_notes', 'link_rss' ), compact( 'link_id' ) ) ) {
+            if ( $wp_error ) {
+                return new WP_Error( 'db_update_error', __( 'Could not update link in the database.' ), $wpdb->last_error );
+            } else {
+                return 0;
+            }
+        }
+    } else {
+        if ( false === $wpdb->insert( $wpdb->links, compact( 'link_url', 'link_name', 'link_image', 'link_target', 'link_description', 'link_visible', 'link_owner', 'link_rating', 'link_rel', 'link_notes', 'link_rss' ) ) ) {
+            if ( $wp_error ) {
+                return new WP_Error( 'db_insert_error', __( 'Could not insert link into the database.' ), $wpdb->last_error );
+            } else {
+                return 0;
+            }
+        }
+        $link_id = (int) $wpdb->insert_id;
+    }
+
+    wp_set_link_cats( $link_id, $link_category );
+
+    if ( $update ) {
+        /**
+         * Fires after a link was updated in the database.
+         *
+         * @since 2.0.0
+         *
+         * @param int $link_id ID of the link that was updated.
+         */
+        do_action( 'edit_link', $link_id );
+    } else {
+        /**
+         * Fires after a link was added to the database.
+         *
+         * @since 2.0.0
+         *
+         * @param int $link_id ID of the link that was added.
+         */
+        do_action( 'add_link', $link_id );
+    }
+    clean_bookmark_cache( $link_id );
+
+    return $link_id;
 }
 
 /**
@@ -276,17 +276,17 @@ 
  * @param int[] $link_categories Array of link category IDs to add the link to.
  */
 function wp_set_link_cats( $link_id = 0, $link_categories = array() ) {
-	// If $link_categories isn't already an array, make it one:
-	if ( ! is_array( $link_categories ) || 0 === count( $link_categories ) ) {
-		$link_categories = array( get_option( 'default_link_category' ) );
-	}
+    // If $link_categories isn't already an array, make it one:
+    if ( ! is_array( $link_categories ) || 0 === count( $link_categories ) ) {
+        $link_categories = array( get_option( 'default_link_category' ) );
+    }
 
-	$link_categories = array_map( 'intval', $link_categories );
-	$link_categories = array_unique( $link_categories );
+    $link_categories = array_map( 'intval', $link_categories );
+    $link_categories = array_unique( $link_categories );
 
-	wp_set_object_terms( $link_id, $link_categories, 'link_category' );
+    wp_set_object_terms( $link_id, $link_categories, 'link_category' );
 
-	clean_bookmark_cache( $link_id );
+    clean_bookmark_cache( $link_id );
 }
 
 /**
@@ -298,27 +298,27 @@ 
  * @return int|WP_Error Value 0 or WP_Error on failure. The updated link ID on success.
  */
 function wp_update_link( $linkdata ) {
-	$link_id = (int) $linkdata['link_id'];
+    $link_id = (int) $linkdata['link_id'];
 
-	$link = get_bookmark( $link_id, ARRAY_A );
+    $link = get_bookmark( $link_id, ARRAY_A );
 
-	// Escape data pulled from DB.
-	$link = wp_slash( $link );
+    // Escape data pulled from DB.
+    $link = wp_slash( $link );
 
-	// Passed link category list overwrites existing category list if not empty.
-	if ( isset( $linkdata['link_category'] ) && is_array( $linkdata['link_category'] )
-		&& count( $linkdata['link_category'] ) > 0
-	) {
-		$link_cats = $linkdata['link_category'];
-	} else {
-		$link_cats = $link['link_category'];
-	}
+    // Passed link category list overwrites existing category list if not empty.
+    if ( isset( $linkdata['link_category'] ) && is_array( $linkdata['link_category'] )
+        && count( $linkdata['link_category'] ) > 0
+    ) {
+        $link_cats = $linkdata['link_category'];
+    } else {
+        $link_cats = $link['link_category'];
+    }
 
-	// Merge old and new fields with new fields overwriting old ones.
-	$linkdata                  = array_merge( $link, $linkdata );
-	$linkdata['link_category'] = $link_cats;
+    // Merge old and new fields with new fields overwriting old ones.
+    $linkdata                  = array_merge( $link, $linkdata );
+    $linkdata['link_category'] = $link_cats;
 
-	return wp_insert_link( $linkdata );
+    return wp_insert_link( $linkdata );
 }
 
 /**
@@ -330,51 +330,51 @@ 
  * @global string $pagenow The filename of the current screen.
  */
 function wp_link_manager_disabled_message() {
-	global $pagenow;
-
-	if ( ! in_array( $pagenow, array( 'link-manager.php', 'link-add.php', 'link.php' ), true ) ) {
-		return;
-	}
-
-	add_filter( 'pre_option_link_manager_enabled', '__return_true', 100 );
-	$really_can_manage_links = current_user_can( 'manage_links' );
-	remove_filter( 'pre_option_link_manager_enabled', '__return_true', 100 );
-
-	if ( $really_can_manage_links ) {
-		$plugins = get_plugins();
-
-		if ( empty( $plugins['link-manager/link-manager.php'] ) ) {
-			if ( current_user_can( 'install_plugins' ) ) {
-				$install_url = wp_nonce_url(
-					self_admin_url( 'update.php?action=install-plugin&plugin=link-manager' ),
-					'install-plugin_link-manager'
-				);
-
-				wp_die(
-					sprintf(
-						/* translators: %s: A link to install the Link Manager plugin. */
-						__( 'If you are looking to use the link manager, please install the <a href="%s">Link Manager plugin</a>.' ),
-						esc_url( $install_url )
-					)
-				);
-			}
-		} elseif ( is_plugin_inactive( 'link-manager/link-manager.php' ) ) {
-			if ( current_user_can( 'activate_plugins' ) ) {
-				$activate_url = wp_nonce_url(
-					self_admin_url( 'plugins.php?action=activate&plugin=link-manager/link-manager.php' ),
-					'activate-plugin_link-manager/link-manager.php'
-				);
-
-				wp_die(
-					sprintf(
-						/* translators: %s: A link to activate the Link Manager plugin. */
-						__( 'Please activate the <a href="%s">Link Manager plugin</a> to use the link manager.' ),
-						esc_url( $activate_url )
-					)
-				);
-			}
-		}
-	}
-
-	wp_die( __( 'Sorry, you are not allowed to edit the links for this site.' ) );
+    global $pagenow;
+
+    if ( ! in_array( $pagenow, array( 'link-manager.php', 'link-add.php', 'link.php' ), true ) ) {
+        return;
+    }
+
+    add_filter( 'pre_option_link_manager_enabled', '__return_true', 100 );
+    $really_can_manage_links = current_user_can( 'manage_links' );
+    remove_filter( 'pre_option_link_manager_enabled', '__return_true', 100 );
+
+    if ( $really_can_manage_links ) {
+        $plugins = get_plugins();
+
+        if ( empty( $plugins['link-manager/link-manager.php'] ) ) {
+            if ( current_user_can( 'install_plugins' ) ) {
+                $install_url = wp_nonce_url(
+                    self_admin_url( 'update.php?action=install-plugin&plugin=link-manager' ),
+                    'install-plugin_link-manager'
+                );
+
+                wp_die(
+                    sprintf(
+                        /* translators: %s: A link to install the Link Manager plugin. */
+                        __( 'If you are looking to use the link manager, please install the <a href="%s">Link Manager plugin</a>.' ),
+                        esc_url( $install_url )
+                    )
+                );
+            }
+        } elseif ( is_plugin_inactive( 'link-manager/link-manager.php' ) ) {
+            if ( current_user_can( 'activate_plugins' ) ) {
+                $activate_url = wp_nonce_url(
+                    self_admin_url( 'plugins.php?action=activate&plugin=link-manager/link-manager.php' ),
+                    'activate-plugin_link-manager/link-manager.php'
+                );
+
+                wp_die(
+                    sprintf(
+                        /* translators: %s: A link to activate the Link Manager plugin. */
+                        __( 'Please activate the <a href="%s">Link Manager plugin</a> to use the link manager.' ),
+                        esc_url( $activate_url )
+                    )
+                );
+            }
+        }
+    }
+
+    wp_die( __( 'Sorry, you are not allowed to edit the links for this site.' ) );
 }

brighty/wp-admin/includes/template.php

Indentation +1474 added lines, -1474 removed lines

@@ -38,17 +38,17 @@ 
  *                                          the top of the list. Default true.
  */
 function wp_category_checklist( $post_id = 0, $descendants_and_self = 0, $selected_cats = false, $popular_cats = false, $walker = null, $checked_ontop = true ) {
-	wp_terms_checklist(
-		$post_id,
-		array(
-			'taxonomy'             => 'category',
-			'descendants_and_self' => $descendants_and_self,
-			'selected_cats'        => $selected_cats,
-			'popular_cats'         => $popular_cats,
-			'walker'               => $walker,
-			'checked_ontop'        => $checked_ontop,
-		)
-	);
+    wp_terms_checklist(
+        $post_id,
+        array(
+            'taxonomy'             => 'category',
+            'descendants_and_self' => $descendants_and_self,
+            'selected_cats'        => $selected_cats,
+            'popular_cats'         => $popular_cats,
+            'walker'               => $walker,
+            'checked_ontop'        => $checked_ontop,
+        )
+    );
 }
 
 /**
@@ -79,115 +79,115 @@ 
  * @return string HTML list of input elements.
  */
 function wp_terms_checklist( $post_id = 0, $args = array() ) {
-	$defaults = array(
-		'descendants_and_self' => 0,
-		'selected_cats'        => false,
-		'popular_cats'         => false,
-		'walker'               => null,
-		'taxonomy'             => 'category',
-		'checked_ontop'        => true,
-		'echo'                 => true,
-	);
-
-	/**
-	 * Filters the taxonomy terms checklist arguments.
-	 *
-	 * @since 3.4.0
-	 *
-	 * @see wp_terms_checklist()
-	 *
-	 * @param array|string $args    An array or string of arguments.
-	 * @param int          $post_id The post ID.
-	 */
-	$params = apply_filters( 'wp_terms_checklist_args', $args, $post_id );
-
-	$parsed_args = wp_parse_args( $params, $defaults );
-
-	if ( empty( $parsed_args['walker'] ) || ! ( $parsed_args['walker'] instanceof Walker ) ) {
-		$walker = new Walker_Category_Checklist;
-	} else {
-		$walker = $parsed_args['walker'];
-	}
-
-	$taxonomy             = $parsed_args['taxonomy'];
-	$descendants_and_self = (int) $parsed_args['descendants_and_self'];
-
-	$args = array( 'taxonomy' => $taxonomy );
-
-	$tax              = get_taxonomy( $taxonomy );
-	$args['disabled'] = ! current_user_can( $tax->cap->assign_terms );
-
-	$args['list_only'] = ! empty( $parsed_args['list_only'] );
-
-	if ( is_array( $parsed_args['selected_cats'] ) ) {
-		$args['selected_cats'] = array_map( 'intval', $parsed_args['selected_cats'] );
-	} elseif ( $post_id ) {
-		$args['selected_cats'] = wp_get_object_terms( $post_id, $taxonomy, array_merge( $args, array( 'fields' => 'ids' ) ) );
-	} else {
-		$args['selected_cats'] = array();
-	}
-
-	if ( is_array( $parsed_args['popular_cats'] ) ) {
-		$args['popular_cats'] = array_map( 'intval', $parsed_args['popular_cats'] );
-	} else {
-		$args['popular_cats'] = get_terms(
-			array(
-				'taxonomy'     => $taxonomy,
-				'fields'       => 'ids',
-				'orderby'      => 'count',
-				'order'        => 'DESC',
-				'number'       => 10,
-				'hierarchical' => false,
-			)
-		);
-	}
-
-	if ( $descendants_and_self ) {
-		$categories = (array) get_terms(
-			array(
-				'taxonomy'     => $taxonomy,
-				'child_of'     => $descendants_and_self,
-				'hierarchical' => 0,
-				'hide_empty'   => 0,
-			)
-		);
-		$self       = get_term( $descendants_and_self, $taxonomy );
-		array_unshift( $categories, $self );
-	} else {
-		$categories = (array) get_terms(
-			array(
-				'taxonomy' => $taxonomy,
-				'get'      => 'all',
-			)
-		);
-	}
-
-	$output = '';
-
-	if ( $parsed_args['checked_ontop'] ) {
-		// Post-process $categories rather than adding an exclude to the get_terms() query
-		// to keep the query the same across all posts (for any query cache).
-		$checked_categories = array();
-		$keys               = array_keys( $categories );
-
-		foreach ( $keys as $k ) {
-			if ( in_array( $categories[ $k ]->term_id, $args['selected_cats'], true ) ) {
-				$checked_categories[] = $categories[ $k ];
-				unset( $categories[ $k ] );
-			}
-		}
-
-		// Put checked categories on top.
-		$output .= $walker->walk( $checked_categories, 0, $args );
-	}
-	// Then the rest of them.
-	$output .= $walker->walk( $categories, 0, $args );
-
-	if ( $parsed_args['echo'] ) {
-		echo $output;
-	}
-
-	return $output;
+    $defaults = array(
+        'descendants_and_self' => 0,
+        'selected_cats'        => false,
+        'popular_cats'         => false,
+        'walker'               => null,
+        'taxonomy'             => 'category',
+        'checked_ontop'        => true,
+        'echo'                 => true,
+    );
+
+    /**
+     * Filters the taxonomy terms checklist arguments.
+     *
+     * @since 3.4.0
+     *
+     * @see wp_terms_checklist()
+     *
+     * @param array|string $args    An array or string of arguments.
+     * @param int          $post_id The post ID.
+     */
+    $params = apply_filters( 'wp_terms_checklist_args', $args, $post_id );
+
+    $parsed_args = wp_parse_args( $params, $defaults );
+
+    if ( empty( $parsed_args['walker'] ) || ! ( $parsed_args['walker'] instanceof Walker ) ) {
+        $walker = new Walker_Category_Checklist;
+    } else {
+        $walker = $parsed_args['walker'];
+    }
+
+    $taxonomy             = $parsed_args['taxonomy'];
+    $descendants_and_self = (int) $parsed_args['descendants_and_self'];
+
+    $args = array( 'taxonomy' => $taxonomy );
+
+    $tax              = get_taxonomy( $taxonomy );
+    $args['disabled'] = ! current_user_can( $tax->cap->assign_terms );
+
+    $args['list_only'] = ! empty( $parsed_args['list_only'] );
+
+    if ( is_array( $parsed_args['selected_cats'] ) ) {
+        $args['selected_cats'] = array_map( 'intval', $parsed_args['selected_cats'] );
+    } elseif ( $post_id ) {
+        $args['selected_cats'] = wp_get_object_terms( $post_id, $taxonomy, array_merge( $args, array( 'fields' => 'ids' ) ) );
+    } else {
+        $args['selected_cats'] = array();
+    }
+
+    if ( is_array( $parsed_args['popular_cats'] ) ) {
+        $args['popular_cats'] = array_map( 'intval', $parsed_args['popular_cats'] );
+    } else {
+        $args['popular_cats'] = get_terms(
+            array(
+                'taxonomy'     => $taxonomy,
+                'fields'       => 'ids',
+                'orderby'      => 'count',
+                'order'        => 'DESC',
+                'number'       => 10,
+                'hierarchical' => false,
+            )
+        );
+    }
+
+    if ( $descendants_and_self ) {
+        $categories = (array) get_terms(
+            array(
+                'taxonomy'     => $taxonomy,
+                'child_of'     => $descendants_and_self,
+                'hierarchical' => 0,
+                'hide_empty'   => 0,
+            )
+        );
+        $self       = get_term( $descendants_and_self, $taxonomy );
+        array_unshift( $categories, $self );
+    } else {
+        $categories = (array) get_terms(
+            array(
+                'taxonomy' => $taxonomy,
+                'get'      => 'all',
+            )
+        );
+    }
+
+    $output = '';
+
+    if ( $parsed_args['checked_ontop'] ) {
+        // Post-process $categories rather than adding an exclude to the get_terms() query
+        // to keep the query the same across all posts (for any query cache).
+        $checked_categories = array();
+        $keys               = array_keys( $categories );
+
+        foreach ( $keys as $k ) {
+            if ( in_array( $categories[ $k ]->term_id, $args['selected_cats'], true ) ) {
+                $checked_categories[] = $categories[ $k ];
+                unset( $categories[ $k ] );
+            }
+        }
+
+        // Put checked categories on top.
+        $output .= $walker->walk( $checked_categories, 0, $args );
+    }
+    // Then the rest of them.
+    $output .= $walker->walk( $categories, 0, $args );
+
+    if ( $parsed_args['echo'] ) {
+        echo $output;
+    }
+
+    return $output;
 }
 
 /**
@@ -207,52 +207,52 @@ 
  * @return int[] Array of popular term IDs.
  */
 function wp_popular_terms_checklist( $taxonomy, $default_term = 0, $number = 10, $display = true ) {
-	$post = get_post();
+    $post = get_post();
 
-	if ( $post && $post->ID ) {
-		$checked_terms = wp_get_object_terms( $post->ID, $taxonomy, array( 'fields' => 'ids' ) );
-	} else {
-		$checked_terms = array();
-	}
+    if ( $post && $post->ID ) {
+        $checked_terms = wp_get_object_terms( $post->ID, $taxonomy, array( 'fields' => 'ids' ) );
+    } else {
+        $checked_terms = array();
+    }
 
-	$terms = get_terms(
-		array(
-			'taxonomy'     => $taxonomy,
-			'orderby'      => 'count',
-			'order'        => 'DESC',
-			'number'       => $number,
-			'hierarchical' => false,
-		)
-	);
+    $terms = get_terms(
+        array(
+            'taxonomy'     => $taxonomy,
+            'orderby'      => 'count',
+            'order'        => 'DESC',
+            'number'       => $number,
+            'hierarchical' => false,
+        )
+    );
 
-	$tax = get_taxonomy( $taxonomy );
+    $tax = get_taxonomy( $taxonomy );
 
-	$popular_ids = array();
+    $popular_ids = array();
 
-	foreach ( (array) $terms as $term ) {
-		$popular_ids[] = $term->term_id;
+    foreach ( (array) $terms as $term ) {
+        $popular_ids[] = $term->term_id;
 
-		if ( ! $display ) { // Hack for Ajax use.
-			continue;
-		}
+        if ( ! $display ) { // Hack for Ajax use.
+            continue;
+        }
 
-		$id      = "popular-$taxonomy-$term->term_id";
-		$checked = in_array( $term->term_id, $checked_terms, true ) ? 'checked="checked"' : '';
-		?>
+        $id      = "popular-$taxonomy-$term->term_id";
+        $checked = in_array( $term->term_id, $checked_terms, true ) ? 'checked="checked"' : '';
+        ?>
 
 		<li id="<?php echo $id; ?>" class="popular-category">
 			<label class="selectit">
 				<input id="in-<?php echo $id; ?>" type="checkbox" <?php echo $checked; ?> value="<?php echo (int) $term->term_id; ?>" <?php disabled( ! current_user_can( $tax->cap->assign_terms ) ); ?> />
 				<?php
-				/** This filter is documented in wp-includes/category-template.php */
-				echo esc_html( apply_filters( 'the_category', $term->name, '', '' ) );
-				?>
+                /** This filter is documented in wp-includes/category-template.php */
+                echo esc_html( apply_filters( 'the_category', $term->name, '', '' ) );
+                ?>
 			</label>
 		</li>
 
 		<?php
-	}
-	return $popular_ids;
+    }
+    return $popular_ids;
 }
 
 /**
@@ -263,40 +263,40 @@ 
  * @param int $link_id
  */
 function wp_link_category_checklist( $link_id = 0 ) {
-	$default = 1;
-
-	$checked_categories = array();
-
-	if ( $link_id ) {
-		$checked_categories = wp_get_link_cats( $link_id );
-		// No selected categories, strange.
-		if ( ! count( $checked_categories ) ) {
-			$checked_categories[] = $default;
-		}
-	} else {
-		$checked_categories[] = $default;
-	}
-
-	$categories = get_terms(
-		array(
-			'taxonomy'   => 'link_category',
-			'orderby'    => 'name',
-			'hide_empty' => 0,
-		)
-	);
-
-	if ( empty( $categories ) ) {
-		return;
-	}
-
-	foreach ( $categories as $category ) {
-		$cat_id = $category->term_id;
-
-		/** This filter is documented in wp-includes/category-template.php */
-		$name    = esc_html( apply_filters( 'the_category', $category->name, '', '' ) );
-		$checked = in_array( $cat_id, $checked_categories, true ) ? ' checked="checked"' : '';
-		echo '<li id="link-category-', $cat_id, '"><label for="in-link-category-', $cat_id, '" class="selectit"><input value="', $cat_id, '" type="checkbox" name="link_category[]" id="in-link-category-', $cat_id, '"', $checked, '/> ', $name, '</label></li>';
-	}
+    $default = 1;
+
+    $checked_categories = array();
+
+    if ( $link_id ) {
+        $checked_categories = wp_get_link_cats( $link_id );
+        // No selected categories, strange.
+        if ( ! count( $checked_categories ) ) {
+            $checked_categories[] = $default;
+        }
+    } else {
+        $checked_categories[] = $default;
+    }
+
+    $categories = get_terms(
+        array(
+            'taxonomy'   => 'link_category',
+            'orderby'    => 'name',
+            'hide_empty' => 0,
+        )
+    );
+
+    if ( empty( $categories ) ) {
+        return;
+    }
+
+    foreach ( $categories as $category ) {
+        $cat_id = $category->term_id;
+
+        /** This filter is documented in wp-includes/category-template.php */
+        $name    = esc_html( apply_filters( 'the_category', $category->name, '', '' ) );
+        $checked = in_array( $cat_id, $checked_categories, true ) ? ' checked="checked"' : '';
+        echo '<li id="link-category-', $cat_id, '"><label for="in-link-category-', $cat_id, '" class="selectit"><input value="', $cat_id, '" type="checkbox" name="link_category[]" id="in-link-category-', $cat_id, '"', $checked, '/> ', $name, '</label></li>';
+    }
 }
 
 /**
@@ -307,18 +307,18 @@ 
  * @param WP_Post $post Post object.
  */
 function get_inline_data( $post ) {
-	$post_type_object = get_post_type_object( $post->post_type );
-	if ( ! current_user_can( 'edit_post', $post->ID ) ) {
-		return;
-	}
+    $post_type_object = get_post_type_object( $post->post_type );
+    if ( ! current_user_can( 'edit_post', $post->ID ) ) {
+        return;
+    }
 
-	$title = esc_textarea( trim( $post->post_title ) );
+    $title = esc_textarea( trim( $post->post_title ) );
 
-	echo '
+    echo '
 <div class="hidden" id="inline_' . $post->ID . '">
 	<div class="post_title">' . $title . '</div>' .
-	/** This filter is documented in wp-admin/edit-tag-form.php */
-	'<div class="post_name">' . apply_filters( 'editable_slug', $post->post_name, $post ) . '</div>
+    /** This filter is documented in wp-admin/edit-tag-form.php */
+    '<div class="post_name">' . apply_filters( 'editable_slug', $post->post_name, $post ) . '</div>
 	<div class="post_author">' . $post->post_author . '</div>
 	<div class="comment_status">' . esc_html( $post->comment_status ) . '</div>
 	<div class="ping_status">' . esc_html( $post->ping_status ) . '</div>
@@ -331,68 +331,68 @@ 
 	<div class="ss">' . mysql2date( 's', $post->post_date, false ) . '</div>
 	<div class="post_password">' . esc_html( $post->post_password ) . '</div>';
 
-	if ( $post_type_object->hierarchical ) {
-		echo '<div class="post_parent">' . $post->post_parent . '</div>';
-	}
+    if ( $post_type_object->hierarchical ) {
+        echo '<div class="post_parent">' . $post->post_parent . '</div>';
+    }
 
-	echo '<div class="page_template">' . ( $post->page_template ? esc_html( $post->page_template ) : 'default' ) . '</div>';
+    echo '<div class="page_template">' . ( $post->page_template ? esc_html( $post->page_template ) : 'default' ) . '</div>';
 
-	if ( post_type_supports( $post->post_type, 'page-attributes' ) ) {
-		echo '<div class="menu_order">' . $post->menu_order . '</div>';
-	}
+    if ( post_type_supports( $post->post_type, 'page-attributes' ) ) {
+        echo '<div class="menu_order">' . $post->menu_order . '</div>';
+    }
 
-	$taxonomy_names = get_object_taxonomies( $post->post_type );
+    $taxonomy_names = get_object_taxonomies( $post->post_type );
 
-	foreach ( $taxonomy_names as $taxonomy_name ) {
-		$taxonomy = get_taxonomy( $taxonomy_name );
+    foreach ( $taxonomy_names as $taxonomy_name ) {
+        $taxonomy = get_taxonomy( $taxonomy_name );
 
-		if ( ! $taxonomy->show_in_quick_edit ) {
-			continue;
-		}
+        if ( ! $taxonomy->show_in_quick_edit ) {
+            continue;
+        }
 
-		if ( $taxonomy->hierarchical ) {
+        if ( $taxonomy->hierarchical ) {
 
-			$terms = get_object_term_cache( $post->ID, $taxonomy_name );
-			if ( false === $terms ) {
-				$terms = wp_get_object_terms( $post->ID, $taxonomy_name );
-				wp_cache_add( $post->ID, wp_list_pluck( $terms, 'term_id' ), $taxonomy_name . '_relationships' );
-			}
-			$term_ids = empty( $terms ) ? array() : wp_list_pluck( $terms, 'term_id' );
+            $terms = get_object_term_cache( $post->ID, $taxonomy_name );
+            if ( false === $terms ) {
+                $terms = wp_get_object_terms( $post->ID, $taxonomy_name );
+                wp_cache_add( $post->ID, wp_list_pluck( $terms, 'term_id' ), $taxonomy_name . '_relationships' );
+            }
+            $term_ids = empty( $terms ) ? array() : wp_list_pluck( $terms, 'term_id' );
 
-			echo '<div class="post_category" id="' . $taxonomy_name . '_' . $post->ID . '">' . implode( ',', $term_ids ) . '</div>';
+            echo '<div class="post_category" id="' . $taxonomy_name . '_' . $post->ID . '">' . implode( ',', $term_ids ) . '</div>';
 
-		} else {
+        } else {
 
-			$terms_to_edit = get_terms_to_edit( $post->ID, $taxonomy_name );
-			if ( ! is_string( $terms_to_edit ) ) {
-				$terms_to_edit = '';
-			}
+            $terms_to_edit = get_terms_to_edit( $post->ID, $taxonomy_name );
+            if ( ! is_string( $terms_to_edit ) ) {
+                $terms_to_edit = '';
+            }
 
-			echo '<div class="tags_input" id="' . $taxonomy_name . '_' . $post->ID . '">'
-				. esc_html( str_replace( ',', ', ', $terms_to_edit ) ) . '</div>';
+            echo '<div class="tags_input" id="' . $taxonomy_name . '_' . $post->ID . '">'
+                . esc_html( str_replace( ',', ', ', $terms_to_edit ) ) . '</div>';
 
-		}
-	}
-
-	if ( ! $post_type_object->hierarchical ) {
-		echo '<div class="sticky">' . ( is_sticky( $post->ID ) ? 'sticky' : '' ) . '</div>';
-	}
-
-	if ( post_type_supports( $post->post_type, 'post-formats' ) ) {
-		echo '<div class="post_format">' . esc_html( get_post_format( $post->ID ) ) . '</div>';
-	}
-
-	/**
-	 * Fires after outputting the fields for the inline editor for posts and pages.
-	 *
-	 * @since 4.9.8
-	 *
-	 * @param WP_Post      $post             The current post object.
-	 * @param WP_Post_Type $post_type_object The current post's post type object.
-	 */
-	do_action( 'add_inline_data', $post, $post_type_object );
+        }
+    }
 
-	echo '</div>';
+    if ( ! $post_type_object->hierarchical ) {
+        echo '<div class="sticky">' . ( is_sticky( $post->ID ) ? 'sticky' : '' ) . '</div>';
+    }
+
+    if ( post_type_supports( $post->post_type, 'post-formats' ) ) {
+        echo '<div class="post_format">' . esc_html( get_post_format( $post->ID ) ) . '</div>';
+    }
+
+    /**
+     * Fires after outputting the fields for the inline editor for posts and pages.
+     *
+     * @since 4.9.8
+     *
+     * @param WP_Post      $post             The current post object.
+     * @param WP_Post_Type $post_type_object The current post's post type object.
+     */
+    do_action( 'add_inline_data', $post, $post_type_object );
+
+    echo '</div>';
 }
 
 /**
@@ -408,46 +408,46 @@ 
  * @param bool   $table_row
  */
 function wp_comment_reply( $position = 1, $checkbox = false, $mode = 'single', $table_row = true ) {
-	global $wp_list_table;
-	/**
-	 * Filters the in-line comment reply-to form output in the Comments
-	 * list table.
-	 *
-	 * Returning a non-empty value here will short-circuit display
-	 * of the in-line comment-reply form in the Comments list table,
-	 * echoing the returned value instead.
-	 *
-	 * @since 2.7.0
-	 *
-	 * @see wp_comment_reply()
-	 *
-	 * @param string $content The reply-to form content.
-	 * @param array  $args    An array of default args.
-	 */
-	$content = apply_filters(
-		'wp_comment_reply',
-		'',
-		array(
-			'position' => $position,
-			'checkbox' => $checkbox,
-			'mode'     => $mode,
-		)
-	);
-
-	if ( ! empty( $content ) ) {
-		echo $content;
-		return;
-	}
-
-	if ( ! $wp_list_table ) {
-		if ( 'single' === $mode ) {
-			$wp_list_table = _get_list_table( 'WP_Post_Comments_List_Table' );
-		} else {
-			$wp_list_table = _get_list_table( 'WP_Comments_List_Table' );
-		}
-	}
-
-	?>
+    global $wp_list_table;
+    /**
+     * Filters the in-line comment reply-to form output in the Comments
+     * list table.
+     *
+     * Returning a non-empty value here will short-circuit display
+     * of the in-line comment-reply form in the Comments list table,
+     * echoing the returned value instead.
+     *
+     * @since 2.7.0
+     *
+     * @see wp_comment_reply()
+     *
+     * @param string $content The reply-to form content.
+     * @param array  $args    An array of default args.
+     */
+    $content = apply_filters(
+        'wp_comment_reply',
+        '',
+        array(
+            'position' => $position,
+            'checkbox' => $checkbox,
+            'mode'     => $mode,
+        )
+    );
+
+    if ( ! empty( $content ) ) {
+        echo $content;
+        return;
+    }
+
+    if ( ! $wp_list_table ) {
+        if ( 'single' === $mode ) {
+            $wp_list_table = _get_list_table( 'WP_Post_Comments_List_Table' );
+        } else {
+            $wp_list_table = _get_list_table( 'WP_Comments_List_Table' );
+        }
+    }
+
+    ?>
 <form method="get">
 	<?php if ( $table_row ) : ?>
 <table style="display:none;"><tbody id="com-reply"><tr id="replyrow" class="inline-edit-row" style="display:none;"><td colspan="<?php echo $wp_list_table->get_column_count(); ?>" class="colspanchange">
@@ -464,17 +464,17 @@ 
 	<div id="replycontainer">
 	<label for="replycontent" class="screen-reader-text"><?php _e( 'Comment' ); ?></label>
 	<?php
-	$quicktags_settings = array( 'buttons' => 'strong,em,link,block,del,ins,img,ul,ol,li,code,close' );
-	wp_editor(
-		'',
-		'replycontent',
-		array(
-			'media_buttons' => false,
-			'tinymce'       => false,
-			'quicktags'     => $quicktags_settings,
-		)
-	);
-	?>
+    $quicktags_settings = array( 'buttons' => 'strong,em,link,block,del,ins,img,ul,ol,li,code,close' );
+    wp_editor(
+        '',
+        'replycontent',
+        array(
+            'media_buttons' => false,
+            'tinymce'       => false,
+            'quicktags'     => $quicktags_settings,
+        )
+    );
+    ?>
 	</div>
 
 	<div id="edithead" style="display:none;">
@@ -517,11 +517,11 @@ 
 	<input type="hidden" name="checkbox" id="checkbox" value="<?php echo $checkbox ? 1 : 0; ?>" />
 	<input type="hidden" name="mode" id="mode" value="<?php echo esc_attr( $mode ); ?>" />
 	<?php
-		wp_nonce_field( 'replyto-comment', '_ajax_nonce-replyto-comment', false );
-	if ( current_user_can( 'unfiltered_html' ) ) {
-		wp_nonce_field( 'unfiltered-html-comment', '_wp_unfiltered_html_comment', false );
-	}
-	?>
+        wp_nonce_field( 'replyto-comment', '_ajax_nonce-replyto-comment', false );
+    if ( current_user_can( 'unfiltered_html' ) ) {
+        wp_nonce_field( 'unfiltered-html-comment', '_wp_unfiltered_html_comment', false );
+    }
+    ?>
 	</fieldset>
 	<?php if ( $table_row ) : ?>
 </td></tr></tbody></table>
@@ -538,22 +538,22 @@ 
  * @since 2.9.0
  */
 function wp_comment_trashnotice() {
-	?>
+    ?>
 <div class="hidden" id="trash-undo-holder">
 	<div class="trash-undo-inside">
 		<?php
-		/* translators: %s: Comment author, filled by Ajax. */
-		printf( __( 'Comment by %s moved to the Trash.' ), '<strong></strong>' );
-		?>
+        /* translators: %s: Comment author, filled by Ajax. */
+        printf( __( 'Comment by %s moved to the Trash.' ), '<strong></strong>' );
+        ?>
 		<span class="undo untrash"><a href="#"><?php _e( 'Undo' ); ?></a></span>
 	</div>
 </div>
 <div class="hidden" id="spam-undo-holder">
 	<div class="spam-undo-inside">
 		<?php
-		/* translators: %s: Comment author, filled by Ajax. */
-		printf( __( 'Comment by %s marked as spam.' ), '<strong></strong>' );
-		?>
+        /* translators: %s: Comment author, filled by Ajax. */
+        printf( __( 'Comment by %s marked as spam.' ), '<strong></strong>' );
+        ?>
 		<span class="undo unspam"><a href="#"><?php _e( 'Undo' ); ?></a></span>
 	</div>
 </div>
@@ -568,9 +568,9 @@ 
  * @param array $meta
  */
 function list_meta( $meta ) {
-	// Exit if no meta.
-	if ( ! $meta ) {
-		echo '
+    // Exit if no meta.
+    if ( ! $meta ) {
+        echo '
 <table id="list-table" style="display: none;">
 	<thead>
 	<tr>
@@ -582,10 +582,10 @@ 
 	<tr><td></td></tr>
 	</tbody>
 </table>'; // TBODY needed for list-manipulation JS.
-		return;
-	}
-	$count = 0;
-	?>
+        return;
+    }
+    $count = 0;
+    ?>
 <table id="list-table">
 	<thead>
 	<tr>
@@ -595,10 +595,10 @@ 
 	</thead>
 	<tbody id='the-list' data-wp-lists='list:meta'>
 	<?php
-	foreach ( $meta as $entry ) {
-		echo _list_meta_row( $entry, $count );
-	}
-	?>
+    foreach ( $meta as $entry ) {
+        echo _list_meta_row( $entry, $count );
+    }
+    ?>
 	</tbody>
 </table>
 	<?php
@@ -614,49 +614,49 @@ 
  * @return string
  */
 function _list_meta_row( $entry, &$count ) {
-	static $update_nonce = '';
-
-	if ( is_protected_meta( $entry['meta_key'], 'post' ) ) {
-		return '';
-	}
-
-	if ( ! $update_nonce ) {
-		$update_nonce = wp_create_nonce( 'add-meta' );
-	}
-
-	$r = '';
-	++ $count;
-
-	if ( is_serialized( $entry['meta_value'] ) ) {
-		if ( is_serialized_string( $entry['meta_value'] ) ) {
-			// This is a serialized string, so we should display it.
-			$entry['meta_value'] = maybe_unserialize( $entry['meta_value'] );
-		} else {
-			// This is a serialized array/object so we should NOT display it.
-			--$count;
-			return '';
-		}
-	}
-
-	$entry['meta_key']   = esc_attr( $entry['meta_key'] );
-	$entry['meta_value'] = esc_textarea( $entry['meta_value'] ); // Using a <textarea />.
-	$entry['meta_id']    = (int) $entry['meta_id'];
-
-	$delete_nonce = wp_create_nonce( 'delete-meta_' . $entry['meta_id'] );
-
-	$r .= "\n\t<tr id='meta-{$entry['meta_id']}'>";
-	$r .= "\n\t\t<td class='left'><label class='screen-reader-text' for='meta-{$entry['meta_id']}-key'>" . __( 'Key' ) . "</label><input name='meta[{$entry['meta_id']}][key]' id='meta-{$entry['meta_id']}-key' type='text' size='20' value='{$entry['meta_key']}' />";
-
-	$r .= "\n\t\t<div class='submit'>";
-	$r .= get_submit_button( __( 'Delete' ), 'deletemeta small', "deletemeta[{$entry['meta_id']}]", false, array( 'data-wp-lists' => "delete:the-list:meta-{$entry['meta_id']}::_ajax_nonce=$delete_nonce" ) );
-	$r .= "\n\t\t";
-	$r .= get_submit_button( __( 'Update' ), 'updatemeta small', "meta-{$entry['meta_id']}-submit", false, array( 'data-wp-lists' => "add:the-list:meta-{$entry['meta_id']}::_ajax_nonce-add-meta=$update_nonce" ) );
-	$r .= '</div>';
-	$r .= wp_nonce_field( 'change-meta', '_ajax_nonce', false, false );
-	$r .= '</td>';
-
-	$r .= "\n\t\t<td><label class='screen-reader-text' for='meta-{$entry['meta_id']}-value'>" . __( 'Value' ) . "</label><textarea name='meta[{$entry['meta_id']}][value]' id='meta-{$entry['meta_id']}-value' rows='2' cols='30'>{$entry['meta_value']}</textarea></td>\n\t</tr>";
-	return $r;
+    static $update_nonce = '';
+
+    if ( is_protected_meta( $entry['meta_key'], 'post' ) ) {
+        return '';
+    }
+
+    if ( ! $update_nonce ) {
+        $update_nonce = wp_create_nonce( 'add-meta' );
+    }
+
+    $r = '';
+    ++ $count;
+
+    if ( is_serialized( $entry['meta_value'] ) ) {
+        if ( is_serialized_string( $entry['meta_value'] ) ) {
+            // This is a serialized string, so we should display it.
+            $entry['meta_value'] = maybe_unserialize( $entry['meta_value'] );
+        } else {
+            // This is a serialized array/object so we should NOT display it.
+            --$count;
+            return '';
+        }
+    }
+
+    $entry['meta_key']   = esc_attr( $entry['meta_key'] );
+    $entry['meta_value'] = esc_textarea( $entry['meta_value'] ); // Using a <textarea />.
+    $entry['meta_id']    = (int) $entry['meta_id'];
+
+    $delete_nonce = wp_create_nonce( 'delete-meta_' . $entry['meta_id'] );
+
+    $r .= "\n\t<tr id='meta-{$entry['meta_id']}'>";
+    $r .= "\n\t\t<td class='left'><label class='screen-reader-text' for='meta-{$entry['meta_id']}-key'>" . __( 'Key' ) . "</label><input name='meta[{$entry['meta_id']}][key]' id='meta-{$entry['meta_id']}-key' type='text' size='20' value='{$entry['meta_key']}' />";
+
+    $r .= "\n\t\t<div class='submit'>";
+    $r .= get_submit_button( __( 'Delete' ), 'deletemeta small', "deletemeta[{$entry['meta_id']}]", false, array( 'data-wp-lists' => "delete:the-list:meta-{$entry['meta_id']}::_ajax_nonce=$delete_nonce" ) );
+    $r .= "\n\t\t";
+    $r .= get_submit_button( __( 'Update' ), 'updatemeta small', "meta-{$entry['meta_id']}-submit", false, array( 'data-wp-lists' => "add:the-list:meta-{$entry['meta_id']}::_ajax_nonce-add-meta=$update_nonce" ) );
+    $r .= '</div>';
+    $r .= wp_nonce_field( 'change-meta', '_ajax_nonce', false, false );
+    $r .= '</td>';
+
+    $r .= "\n\t\t<td><label class='screen-reader-text' for='meta-{$entry['meta_id']}-value'>" . __( 'Value' ) . "</label><textarea name='meta[{$entry['meta_id']}][value]' id='meta-{$entry['meta_id']}-value' rows='2' cols='30'>{$entry['meta_value']}</textarea></td>\n\t</tr>";
+    return $r;
 }
 
 /**
@@ -669,54 +669,54 @@ 
  * @param WP_Post $post Optional. The post being edited.
  */
 function meta_form( $post = null ) {
-	global $wpdb;
-	$post = get_post( $post );
-
-	/**
-	 * Filters values for the meta key dropdown in the Custom Fields meta box.
-	 *
-	 * Returning a non-null value will effectively short-circuit and avoid a
-	 * potentially expensive query against postmeta.
-	 *
-	 * @since 4.4.0
-	 *
-	 * @param array|null $keys Pre-defined meta keys to be used in place of a postmeta query. Default null.
-	 * @param WP_Post    $post The current post object.
-	 */
-	$keys = apply_filters( 'postmeta_form_keys', null, $post );
-
-	if ( null === $keys ) {
-		/**
-		 * Filters the number of custom fields to retrieve for the drop-down
-		 * in the Custom Fields meta box.
-		 *
-		 * @since 2.1.0
-		 *
-		 * @param int $limit Number of custom fields to retrieve. Default 30.
-		 */
-		$limit = apply_filters( 'postmeta_form_limit', 30 );
-
-		$keys = $wpdb->get_col(
-			$wpdb->prepare(
-				"SELECT DISTINCT meta_key
+    global $wpdb;
+    $post = get_post( $post );
+
+    /**
+     * Filters values for the meta key dropdown in the Custom Fields meta box.
+     *
+     * Returning a non-null value will effectively short-circuit and avoid a
+     * potentially expensive query against postmeta.
+     *
+     * @since 4.4.0
+     *
+     * @param array|null $keys Pre-defined meta keys to be used in place of a postmeta query. Default null.
+     * @param WP_Post    $post The current post object.
+     */
+    $keys = apply_filters( 'postmeta_form_keys', null, $post );
+
+    if ( null === $keys ) {
+        /**
+         * Filters the number of custom fields to retrieve for the drop-down
+         * in the Custom Fields meta box.
+         *
+         * @since 2.1.0
+         *
+         * @param int $limit Number of custom fields to retrieve. Default 30.
+         */
+        $limit = apply_filters( 'postmeta_form_limit', 30 );
+
+        $keys = $wpdb->get_col(
+            $wpdb->prepare(
+                "SELECT DISTINCT meta_key
 				FROM $wpdb->postmeta
 				WHERE meta_key NOT BETWEEN '_' AND '_z'
 				HAVING meta_key NOT LIKE %s
 				ORDER BY meta_key
 				LIMIT %d",
-				$wpdb->esc_like( '_' ) . '%',
-				$limit
-			)
-		);
-	}
-
-	if ( $keys ) {
-		natcasesort( $keys );
-		$meta_key_input_id = 'metakeyselect';
-	} else {
-		$meta_key_input_id = 'metakeyinput';
-	}
-	?>
+                $wpdb->esc_like( '_' ) . '%',
+                $limit
+            )
+        );
+    }
+
+    if ( $keys ) {
+        natcasesort( $keys );
+        $meta_key_input_id = 'metakeyselect';
+    } else {
+        $meta_key_input_id = 'metakeyinput';
+    }
+    ?>
 <p><strong><?php _e( 'Add New Custom Field:' ); ?></strong></p>
 <table id="newmeta">
 <thead>
@@ -733,13 +733,13 @@ 
 <select id="metakeyselect" name="metakeyselect">
 <option value="#NONE#"><?php _e( '&mdash; Select &mdash;' ); ?></option>
 		<?php
-		foreach ( $keys as $key ) {
-			if ( is_protected_meta( $key, 'post' ) || ! current_user_can( 'add_post_meta', $post->ID, $key ) ) {
-				continue;
-			}
-			echo "\n<option value='" . esc_attr( $key ) . "'>" . esc_html( $key ) . '</option>';
-		}
-		?>
+        foreach ( $keys as $key ) {
+            if ( is_protected_meta( $key, 'post' ) || ! current_user_can( 'add_post_meta', $post->ID, $key ) ) {
+                continue;
+            }
+            echo "\n<option value='" . esc_attr( $key ) . "'>" . esc_html( $key ) . '</option>';
+        }
+        ?>
 </select>
 <input class="hide-if-js" type="text" id="metakeyinput" name="metakeyinput" value="" />
 <a href="#postcustomstuff" class="hide-if-no-js" onclick="jQuery('#metakeyinput, #metakeyselect, #enternew, #cancelnew').toggle();return false;">
@@ -755,17 +755,17 @@ 
 <tr><td colspan="2">
 <div class="submit">
 	<?php
-	submit_button(
-		__( 'Add Custom Field' ),
-		'',
-		'addmeta',
-		false,
-		array(
-			'id'            => 'newmeta-submit',
-			'data-wp-lists' => 'add:the-list:newmeta',
-		)
-	);
-	?>
+    submit_button(
+        __( 'Add Custom Field' ),
+        '',
+        'addmeta',
+        false,
+        array(
+            'id'            => 'newmeta-submit',
+            'data-wp-lists' => 'add:the-list:newmeta',
+        )
+    );
+    ?>
 </div>
 	<?php wp_nonce_field( 'add-meta', '_ajax_nonce-add-meta', false ); ?>
 </td></tr>
@@ -790,78 +790,78 @@ 
  *                            Default 0|false.
  */
 function touch_time( $edit = 1, $for_post = 1, $tab_index = 0, $multi = 0 ) {
-	global $wp_locale;
-	$post = get_post();
-
-	if ( $for_post ) {
-		$edit = ! ( in_array( $post->post_status, array( 'draft', 'pending' ), true ) && ( ! $post->post_date_gmt || '0000-00-00 00:00:00' === $post->post_date_gmt ) );
-	}
-
-	$tab_index_attribute = '';
-	if ( (int) $tab_index > 0 ) {
-		$tab_index_attribute = " tabindex=\"$tab_index\"";
-	}
-
-	// @todo Remove this?
-	// echo '<label for="timestamp" style="display: block;"><input type="checkbox" class="checkbox" name="edit_date" value="1" id="timestamp"'.$tab_index_attribute.' /> '.__( 'Edit timestamp' ).'</label><br />';
-
-	$post_date = ( $for_post ) ? $post->post_date : get_comment()->comment_date;
-	$jj        = ( $edit ) ? mysql2date( 'd', $post_date, false ) : current_time( 'd' );
-	$mm        = ( $edit ) ? mysql2date( 'm', $post_date, false ) : current_time( 'm' );
-	$aa        = ( $edit ) ? mysql2date( 'Y', $post_date, false ) : current_time( 'Y' );
-	$hh        = ( $edit ) ? mysql2date( 'H', $post_date, false ) : current_time( 'H' );
-	$mn        = ( $edit ) ? mysql2date( 'i', $post_date, false ) : current_time( 'i' );
-	$ss        = ( $edit ) ? mysql2date( 's', $post_date, false ) : current_time( 's' );
-
-	$cur_jj = current_time( 'd' );
-	$cur_mm = current_time( 'm' );
-	$cur_aa = current_time( 'Y' );
-	$cur_hh = current_time( 'H' );
-	$cur_mn = current_time( 'i' );
-
-	$month = '<label><span class="screen-reader-text">' . __( 'Month' ) . '</span><select class="form-required" ' . ( $multi ? '' : 'id="mm" ' ) . 'name="mm"' . $tab_index_attribute . ">\n";
-	for ( $i = 1; $i < 13; $i = $i + 1 ) {
-		$monthnum  = zeroise( $i, 2 );
-		$monthtext = $wp_locale->get_month_abbrev( $wp_locale->get_month( $i ) );
-		$month    .= "\t\t\t" . '<option value="' . $monthnum . '" data-text="' . $monthtext . '" ' . selected( $monthnum, $mm, false ) . '>';
-		/* translators: 1: Month number (01, 02, etc.), 2: Month abbreviation. */
-		$month .= sprintf( __( '%1$s-%2$s' ), $monthnum, $monthtext ) . "</option>\n";
-	}
-	$month .= '</select></label>';
-
-	$day    = '<label><span class="screen-reader-text">' . __( 'Day' ) . '</span><input type="text" ' . ( $multi ? '' : 'id="jj" ' ) . 'name="jj" value="' . $jj . '" size="2" maxlength="2"' . $tab_index_attribute . ' autocomplete="off" class="form-required" /></label>';
-	$year   = '<label><span class="screen-reader-text">' . __( 'Year' ) . '</span><input type="text" ' . ( $multi ? '' : 'id="aa" ' ) . 'name="aa" value="' . $aa . '" size="4" maxlength="4"' . $tab_index_attribute . ' autocomplete="off" class="form-required" /></label>';
-	$hour   = '<label><span class="screen-reader-text">' . __( 'Hour' ) . '</span><input type="text" ' . ( $multi ? '' : 'id="hh" ' ) . 'name="hh" value="' . $hh . '" size="2" maxlength="2"' . $tab_index_attribute . ' autocomplete="off" class="form-required" /></label>';
-	$minute = '<label><span class="screen-reader-text">' . __( 'Minute' ) . '</span><input type="text" ' . ( $multi ? '' : 'id="mn" ' ) . 'name="mn" value="' . $mn . '" size="2" maxlength="2"' . $tab_index_attribute . ' autocomplete="off" class="form-required" /></label>';
-
-	echo '<div class="timestamp-wrap">';
-	/* translators: 1: Month, 2: Day, 3: Year, 4: Hour, 5: Minute. */
-	printf( __( '%1$s %2$s, %3$s at %4$s:%5$s' ), $month, $day, $year, $hour, $minute );
-
-	echo '</div><input type="hidden" id="ss" name="ss" value="' . $ss . '" />';
-
-	if ( $multi ) {
-		return;
-	}
-
-	echo "\n\n";
-
-	$map = array(
-		'mm' => array( $mm, $cur_mm ),
-		'jj' => array( $jj, $cur_jj ),
-		'aa' => array( $aa, $cur_aa ),
-		'hh' => array( $hh, $cur_hh ),
-		'mn' => array( $mn, $cur_mn ),
-	);
-
-	foreach ( $map as $timeunit => $value ) {
-		list( $unit, $curr ) = $value;
-
-		echo '<input type="hidden" id="hidden_' . $timeunit . '" name="hidden_' . $timeunit . '" value="' . $unit . '" />' . "\n";
-		$cur_timeunit = 'cur_' . $timeunit;
-		echo '<input type="hidden" id="' . $cur_timeunit . '" name="' . $cur_timeunit . '" value="' . $curr . '" />' . "\n";
-	}
-	?>
+    global $wp_locale;
+    $post = get_post();
+
+    if ( $for_post ) {
+        $edit = ! ( in_array( $post->post_status, array( 'draft', 'pending' ), true ) && ( ! $post->post_date_gmt || '0000-00-00 00:00:00' === $post->post_date_gmt ) );
+    }
+
+    $tab_index_attribute = '';
+    if ( (int) $tab_index > 0 ) {
+        $tab_index_attribute = " tabindex=\"$tab_index\"";
+    }
+
+    // @todo Remove this?
+    // echo '<label for="timestamp" style="display: block;"><input type="checkbox" class="checkbox" name="edit_date" value="1" id="timestamp"'.$tab_index_attribute.' /> '.__( 'Edit timestamp' ).'</label><br />';
+
+    $post_date = ( $for_post ) ? $post->post_date : get_comment()->comment_date;
+    $jj        = ( $edit ) ? mysql2date( 'd', $post_date, false ) : current_time( 'd' );
+    $mm        = ( $edit ) ? mysql2date( 'm', $post_date, false ) : current_time( 'm' );
+    $aa        = ( $edit ) ? mysql2date( 'Y', $post_date, false ) : current_time( 'Y' );
+    $hh        = ( $edit ) ? mysql2date( 'H', $post_date, false ) : current_time( 'H' );
+    $mn        = ( $edit ) ? mysql2date( 'i', $post_date, false ) : current_time( 'i' );
+    $ss        = ( $edit ) ? mysql2date( 's', $post_date, false ) : current_time( 's' );
+
+    $cur_jj = current_time( 'd' );
+    $cur_mm = current_time( 'm' );
+    $cur_aa = current_time( 'Y' );
+    $cur_hh = current_time( 'H' );
+    $cur_mn = current_time( 'i' );
+
+    $month = '<label><span class="screen-reader-text">' . __( 'Month' ) . '</span><select class="form-required" ' . ( $multi ? '' : 'id="mm" ' ) . 'name="mm"' . $tab_index_attribute . ">\n";
+    for ( $i = 1; $i < 13; $i = $i + 1 ) {
+        $monthnum  = zeroise( $i, 2 );
+        $monthtext = $wp_locale->get_month_abbrev( $wp_locale->get_month( $i ) );
+        $month    .= "\t\t\t" . '<option value="' . $monthnum . '" data-text="' . $monthtext . '" ' . selected( $monthnum, $mm, false ) . '>';
+        /* translators: 1: Month number (01, 02, etc.), 2: Month abbreviation. */
+        $month .= sprintf( __( '%1$s-%2$s' ), $monthnum, $monthtext ) . "</option>\n";
+    }
+    $month .= '</select></label>';
+
+    $day    = '<label><span class="screen-reader-text">' . __( 'Day' ) . '</span><input type="text" ' . ( $multi ? '' : 'id="jj" ' ) . 'name="jj" value="' . $jj . '" size="2" maxlength="2"' . $tab_index_attribute . ' autocomplete="off" class="form-required" /></label>';
+    $year   = '<label><span class="screen-reader-text">' . __( 'Year' ) . '</span><input type="text" ' . ( $multi ? '' : 'id="aa" ' ) . 'name="aa" value="' . $aa . '" size="4" maxlength="4"' . $tab_index_attribute . ' autocomplete="off" class="form-required" /></label>';
+    $hour   = '<label><span class="screen-reader-text">' . __( 'Hour' ) . '</span><input type="text" ' . ( $multi ? '' : 'id="hh" ' ) . 'name="hh" value="' . $hh . '" size="2" maxlength="2"' . $tab_index_attribute . ' autocomplete="off" class="form-required" /></label>';
+    $minute = '<label><span class="screen-reader-text">' . __( 'Minute' ) . '</span><input type="text" ' . ( $multi ? '' : 'id="mn" ' ) . 'name="mn" value="' . $mn . '" size="2" maxlength="2"' . $tab_index_attribute . ' autocomplete="off" class="form-required" /></label>';
+
+    echo '<div class="timestamp-wrap">';
+    /* translators: 1: Month, 2: Day, 3: Year, 4: Hour, 5: Minute. */
+    printf( __( '%1$s %2$s, %3$s at %4$s:%5$s' ), $month, $day, $year, $hour, $minute );
+
+    echo '</div><input type="hidden" id="ss" name="ss" value="' . $ss . '" />';
+
+    if ( $multi ) {
+        return;
+    }
+
+    echo "\n\n";
+
+    $map = array(
+        'mm' => array( $mm, $cur_mm ),
+        'jj' => array( $jj, $cur_jj ),
+        'aa' => array( $aa, $cur_aa ),
+        'hh' => array( $hh, $cur_hh ),
+        'mn' => array( $mn, $cur_mn ),
+    );
+
+    foreach ( $map as $timeunit => $value ) {
+        list( $unit, $curr ) = $value;
+
+        echo '<input type="hidden" id="hidden_' . $timeunit . '" name="hidden_' . $timeunit . '" value="' . $unit . '" />' . "\n";
+        $cur_timeunit = 'cur_' . $timeunit;
+        echo '<input type="hidden" id="' . $cur_timeunit . '" name="' . $cur_timeunit . '" value="' . $curr . '" />' . "\n";
+    }
+    ?>
 
 <p>
 <a href="#edit_timestamp" class="save-timestamp hide-if-no-js button"><?php _e( 'OK' ); ?></a>
@@ -880,14 +880,14 @@ 
  * @param string $post_type        Optional. Post type to get templates for. Default 'post'.
  */
 function page_template_dropdown( $default_template = '', $post_type = 'page' ) {
-	$templates = get_page_templates( null, $post_type );
+    $templates = get_page_templates( null, $post_type );
 
-	ksort( $templates );
+    ksort( $templates );
 
-	foreach ( array_keys( $templates ) as $template ) {
-		$selected = selected( $default_template, $templates[ $template ], false );
-		echo "\n\t<option value='" . esc_attr( $templates[ $template ] ) . "' $selected>" . esc_html( $template ) . '</option>';
-	}
+    foreach ( array_keys( $templates ) as $template ) {
+        $selected = selected( $default_template, $templates[ $template ], false );
+        echo "\n\t<option value='" . esc_attr( $templates[ $template ] ) . "' $selected>" . esc_html( $template ) . '</option>';
+    }
 }
 
 /**
@@ -905,27 +905,27 @@ 
  * @return void|false Void on success, false if the page has no children.
  */
 function parent_dropdown( $default_page = 0, $parent = 0, $level = 0, $post = null ) {
-	global $wpdb;
-
-	$post  = get_post( $post );
-	$items = $wpdb->get_results( $wpdb->prepare( "SELECT ID, post_parent, post_title FROM $wpdb->posts WHERE post_parent = %d AND post_type = 'page' ORDER BY menu_order", $parent ) );
-
-	if ( $items ) {
-		foreach ( $items as $item ) {
-			// A page cannot be its own parent.
-			if ( $post && $post->ID && (int) $item->ID === $post->ID ) {
-				continue;
-			}
-
-			$pad      = str_repeat( '&nbsp;', $level * 3 );
-			$selected = selected( $default_page, $item->ID, false );
-
-			echo "\n\t<option class='level-$level' value='$item->ID' $selected>$pad " . esc_html( $item->post_title ) . '</option>';
-			parent_dropdown( $default_page, $item->ID, $level + 1 );
-		}
-	} else {
-		return false;
-	}
+    global $wpdb;
+
+    $post  = get_post( $post );
+    $items = $wpdb->get_results( $wpdb->prepare( "SELECT ID, post_parent, post_title FROM $wpdb->posts WHERE post_parent = %d AND post_type = 'page' ORDER BY menu_order", $parent ) );
+
+    if ( $items ) {
+        foreach ( $items as $item ) {
+            // A page cannot be its own parent.
+            if ( $post && $post->ID && (int) $item->ID === $post->ID ) {
+                continue;
+            }
+
+            $pad      = str_repeat( '&nbsp;', $level * 3 );
+            $selected = selected( $default_page, $item->ID, false );
+
+            echo "\n\t<option class='level-$level' value='$item->ID' $selected>$pad " . esc_html( $item->post_title ) . '</option>';
+            parent_dropdown( $default_page, $item->ID, $level + 1 );
+        }
+    } else {
+        return false;
+    }
 }
 
 /**
@@ -936,21 +936,21 @@ 
  * @param string $selected Slug for the role that should be already selected.
  */
 function wp_dropdown_roles( $selected = '' ) {
-	$r = '';
+    $r = '';
 
-	$editable_roles = array_reverse( get_editable_roles() );
+    $editable_roles = array_reverse( get_editable_roles() );
 
-	foreach ( $editable_roles as $role => $details ) {
-		$name = translate_user_role( $details['name'] );
-		// Preselect specified role.
-		if ( $selected === $role ) {
-			$r .= "\n\t<option selected='selected' value='" . esc_attr( $role ) . "'>$name</option>";
-		} else {
-			$r .= "\n\t<option value='" . esc_attr( $role ) . "'>$name</option>";
-		}
-	}
+    foreach ( $editable_roles as $role => $details ) {
+        $name = translate_user_role( $details['name'] );
+        // Preselect specified role.
+        if ( $selected === $role ) {
+            $r .= "\n\t<option selected='selected' value='" . esc_attr( $role ) . "'>$name</option>";
+        } else {
+            $r .= "\n\t<option value='" . esc_attr( $role ) . "'>$name</option>";
+        }
+    }
 
-	echo $r;
+    echo $r;
 }
 
 /**
@@ -962,35 +962,35 @@ 
  */
 function wp_import_upload_form( $action ) {
 
-	/**
-	 * Filters the maximum allowed upload size for import files.
-	 *
-	 * @since 2.3.0
-	 *
-	 * @see wp_max_upload_size()
-	 *
-	 * @param int $max_upload_size Allowed upload size. Default 1 MB.
-	 */
-	$bytes      = apply_filters( 'import_upload_size_limit', wp_max_upload_size() );
-	$size       = size_format( $bytes );
-	$upload_dir = wp_upload_dir();
-	if ( ! empty( $upload_dir['error'] ) ) :
-		?>
+    /**
+     * Filters the maximum allowed upload size for import files.
+     *
+     * @since 2.3.0
+     *
+     * @see wp_max_upload_size()
+     *
+     * @param int $max_upload_size Allowed upload size. Default 1 MB.
+     */
+    $bytes      = apply_filters( 'import_upload_size_limit', wp_max_upload_size() );
+    $size       = size_format( $bytes );
+    $upload_dir = wp_upload_dir();
+    if ( ! empty( $upload_dir['error'] ) ) :
+        ?>
 		<div class="error"><p><?php _e( 'Before you can upload your import file, you will need to fix the following error:' ); ?></p>
 		<p><strong><?php echo $upload_dir['error']; ?></strong></p></div>
 		<?php
-	else :
-		?>
+    else :
+        ?>
 <form enctype="multipart/form-data" id="import-upload-form" method="post" class="wp-upload-form" action="<?php echo esc_url( wp_nonce_url( $action, 'import-upload' ) ); ?>">
 <p>
 		<?php
-		printf(
-			'<label for="upload">%s</label> (%s)',
-			__( 'Choose a file from your computer:' ),
-			/* translators: %s: Maximum allowed file size. */
-			sprintf( __( 'Maximum size: %s' ), $size )
-		);
-		?>
+        printf(
+            '<label for="upload">%s</label> (%s)',
+            __( 'Choose a file from your computer:' ),
+            /* translators: %s: Maximum allowed file size. */
+            sprintf( __( 'Maximum size: %s' ), $size )
+        );
+        ?>
 <input type="file" id="upload" name="import" size="25" />
 <input type="hidden" name="action" value="save" />
 <input type="hidden" name="max_file_size" value="<?php echo $bytes; ?>" />
@@ -998,7 +998,7 @@ 
 		<?php submit_button( __( 'Upload file and import' ), 'primary' ); ?>
 </form>
 		<?php
-	endif;
+    endif;
 }
 
 /**
@@ -1033,94 +1033,94 @@ 
  *                                              to your callback). Default null.
  */
 function add_meta_box( $id, $title, $callback, $screen = null, $context = 'advanced', $priority = 'default', $callback_args = null ) {
-	global $wp_meta_boxes;
-
-	if ( empty( $screen ) ) {
-		$screen = get_current_screen();
-	} elseif ( is_string( $screen ) ) {
-		$screen = convert_to_screen( $screen );
-	} elseif ( is_array( $screen ) ) {
-		foreach ( $screen as $single_screen ) {
-			add_meta_box( $id, $title, $callback, $single_screen, $context, $priority, $callback_args );
-		}
-	}
-
-	if ( ! isset( $screen->id ) ) {
-		return;
-	}
-
-	$page = $screen->id;
-
-	if ( ! isset( $wp_meta_boxes ) ) {
-		$wp_meta_boxes = array();
-	}
-	if ( ! isset( $wp_meta_boxes[ $page ] ) ) {
-		$wp_meta_boxes[ $page ] = array();
-	}
-	if ( ! isset( $wp_meta_boxes[ $page ][ $context ] ) ) {
-		$wp_meta_boxes[ $page ][ $context ] = array();
-	}
-
-	foreach ( array_keys( $wp_meta_boxes[ $page ] ) as $a_context ) {
-		foreach ( array( 'high', 'core', 'default', 'low' ) as $a_priority ) {
-			if ( ! isset( $wp_meta_boxes[ $page ][ $a_context ][ $a_priority ][ $id ] ) ) {
-				continue;
-			}
-
-			// If a core box was previously removed, don't add.
-			if ( ( 'core' === $priority || 'sorted' === $priority )
-				&& false === $wp_meta_boxes[ $page ][ $a_context ][ $a_priority ][ $id ]
-			) {
-				return;
-			}
-
-			// If a core box was previously added by a plugin, don't add.
-			if ( 'core' === $priority ) {
-				/*
+    global $wp_meta_boxes;
+
+    if ( empty( $screen ) ) {
+        $screen = get_current_screen();
+    } elseif ( is_string( $screen ) ) {
+        $screen = convert_to_screen( $screen );
+    } elseif ( is_array( $screen ) ) {
+        foreach ( $screen as $single_screen ) {
+            add_meta_box( $id, $title, $callback, $single_screen, $context, $priority, $callback_args );
+        }
+    }
+
+    if ( ! isset( $screen->id ) ) {
+        return;
+    }
+
+    $page = $screen->id;
+
+    if ( ! isset( $wp_meta_boxes ) ) {
+        $wp_meta_boxes = array();
+    }
+    if ( ! isset( $wp_meta_boxes[ $page ] ) ) {
+        $wp_meta_boxes[ $page ] = array();
+    }
+    if ( ! isset( $wp_meta_boxes[ $page ][ $context ] ) ) {
+        $wp_meta_boxes[ $page ][ $context ] = array();
+    }
+
+    foreach ( array_keys( $wp_meta_boxes[ $page ] ) as $a_context ) {
+        foreach ( array( 'high', 'core', 'default', 'low' ) as $a_priority ) {
+            if ( ! isset( $wp_meta_boxes[ $page ][ $a_context ][ $a_priority ][ $id ] ) ) {
+                continue;
+            }
+
+            // If a core box was previously removed, don't add.
+            if ( ( 'core' === $priority || 'sorted' === $priority )
+                && false === $wp_meta_boxes[ $page ][ $a_context ][ $a_priority ][ $id ]
+            ) {
+                return;
+            }
+
+            // If a core box was previously added by a plugin, don't add.
+            if ( 'core' === $priority ) {
+                /*
 				 * If the box was added with default priority, give it core priority
 				 * to maintain sort order.
 				 */
-				if ( 'default' === $a_priority ) {
-					$wp_meta_boxes[ $page ][ $a_context ]['core'][ $id ] = $wp_meta_boxes[ $page ][ $a_context ]['default'][ $id ];
-					unset( $wp_meta_boxes[ $page ][ $a_context ]['default'][ $id ] );
-				}
-				return;
-			}
-
-			// If no priority given and ID already present, use existing priority.
-			if ( empty( $priority ) ) {
-				$priority = $a_priority;
-				/*
+                if ( 'default' === $a_priority ) {
+                    $wp_meta_boxes[ $page ][ $a_context ]['core'][ $id ] = $wp_meta_boxes[ $page ][ $a_context ]['default'][ $id ];
+                    unset( $wp_meta_boxes[ $page ][ $a_context ]['default'][ $id ] );
+                }
+                return;
+            }
+
+            // If no priority given and ID already present, use existing priority.
+            if ( empty( $priority ) ) {
+                $priority = $a_priority;
+                /*
 				 * Else, if we're adding to the sorted priority, we don't know the title
 				 * or callback. Grab them from the previously added context/priority.
 				 */
-			} elseif ( 'sorted' === $priority ) {
-				$title         = $wp_meta_boxes[ $page ][ $a_context ][ $a_priority ][ $id ]['title'];
-				$callback      = $wp_meta_boxes[ $page ][ $a_context ][ $a_priority ][ $id ]['callback'];
-				$callback_args = $wp_meta_boxes[ $page ][ $a_context ][ $a_priority ][ $id ]['args'];
-			}
-
-			// An ID can be in only one priority and one context.
-			if ( $priority !== $a_priority || $context !== $a_context ) {
-				unset( $wp_meta_boxes[ $page ][ $a_context ][ $a_priority ][ $id ] );
-			}
-		}
-	}
-
-	if ( empty( $priority ) ) {
-		$priority = 'low';
-	}
-
-	if ( ! isset( $wp_meta_boxes[ $page ][ $context ][ $priority ] ) ) {
-		$wp_meta_boxes[ $page ][ $context ][ $priority ] = array();
-	}
-
-	$wp_meta_boxes[ $page ][ $context ][ $priority ][ $id ] = array(
-		'id'       => $id,
-		'title'    => $title,
-		'callback' => $callback,
-		'args'     => $callback_args,
-	);
+            } elseif ( 'sorted' === $priority ) {
+                $title         = $wp_meta_boxes[ $page ][ $a_context ][ $a_priority ][ $id ]['title'];
+                $callback      = $wp_meta_boxes[ $page ][ $a_context ][ $a_priority ][ $id ]['callback'];
+                $callback_args = $wp_meta_boxes[ $page ][ $a_context ][ $a_priority ][ $id ]['args'];
+            }
+
+            // An ID can be in only one priority and one context.
+            if ( $priority !== $a_priority || $context !== $a_context ) {
+                unset( $wp_meta_boxes[ $page ][ $a_context ][ $a_priority ][ $id ] );
+            }
+        }
+    }
+
+    if ( empty( $priority ) ) {
+        $priority = 'low';
+    }
+
+    if ( ! isset( $wp_meta_boxes[ $page ][ $context ][ $priority ] ) ) {
+        $wp_meta_boxes[ $page ][ $context ][ $priority ] = array();
+    }
+
+    $wp_meta_boxes[ $page ][ $context ][ $priority ][ $id ] = array(
+        'id'       => $id,
+        'title'    => $title,
+        'callback' => $callback,
+        'args'     => $callback_args,
+    );
 }
 
 
@@ -1141,54 +1141,54 @@ 
  * }
  */
 function do_block_editor_incompatible_meta_box( $data_object, $box ) {
-	$plugin  = _get_plugin_from_callback( $box['old_callback'] );
-	$plugins = get_plugins();
-	echo '<p>';
-	if ( $plugin ) {
-		/* translators: %s: The name of the plugin that generated this meta box. */
-		printf( __( 'This meta box, from the %s plugin, is not compatible with the block editor.' ), "<strong>{$plugin['Name']}</strong>" );
-	} else {
-		_e( 'This meta box is not compatible with the block editor.' );
-	}
-	echo '</p>';
-
-	if ( empty( $plugins['classic-editor/classic-editor.php'] ) ) {
-		if ( current_user_can( 'install_plugins' ) ) {
-			$install_url = wp_nonce_url(
-				self_admin_url( 'plugin-install.php?tab=favorites&user=wordpressdotorg&save=0' ),
-				'save_wporg_username_' . get_current_user_id()
-			);
-
-			echo '<p>';
-			/* translators: %s: A link to install the Classic Editor plugin. */
-			printf( __( 'Please install the <a href="%s">Classic Editor plugin</a> to use this meta box.' ), esc_url( $install_url ) );
-			echo '</p>';
-		}
-	} elseif ( is_plugin_inactive( 'classic-editor/classic-editor.php' ) ) {
-		if ( current_user_can( 'activate_plugins' ) ) {
-			$activate_url = wp_nonce_url(
-				self_admin_url( 'plugins.php?action=activate&plugin=classic-editor/classic-editor.php' ),
-				'activate-plugin_classic-editor/classic-editor.php'
-			);
-
-			echo '<p>';
-			/* translators: %s: A link to activate the Classic Editor plugin. */
-			printf( __( 'Please activate the <a href="%s">Classic Editor plugin</a> to use this meta box.' ), esc_url( $activate_url ) );
-			echo '</p>';
-		}
-	} elseif ( $data_object instanceof WP_Post ) {
-		$edit_url = add_query_arg(
-			array(
-				'classic-editor'         => '',
-				'classic-editor__forget' => '',
-			),
-			get_edit_post_link( $data_object )
-		);
-		echo '<p>';
-		/* translators: %s: A link to use the Classic Editor plugin. */
-		printf( __( 'Please open the <a href="%s">classic editor</a> to use this meta box.' ), esc_url( $edit_url ) );
-		echo '</p>';
-	}
+    $plugin  = _get_plugin_from_callback( $box['old_callback'] );
+    $plugins = get_plugins();
+    echo '<p>';
+    if ( $plugin ) {
+        /* translators: %s: The name of the plugin that generated this meta box. */
+        printf( __( 'This meta box, from the %s plugin, is not compatible with the block editor.' ), "<strong>{$plugin['Name']}</strong>" );
+    } else {
+        _e( 'This meta box is not compatible with the block editor.' );
+    }
+    echo '</p>';
+
+    if ( empty( $plugins['classic-editor/classic-editor.php'] ) ) {
+        if ( current_user_can( 'install_plugins' ) ) {
+            $install_url = wp_nonce_url(
+                self_admin_url( 'plugin-install.php?tab=favorites&user=wordpressdotorg&save=0' ),
+                'save_wporg_username_' . get_current_user_id()
+            );
+
+            echo '<p>';
+            /* translators: %s: A link to install the Classic Editor plugin. */
+            printf( __( 'Please install the <a href="%s">Classic Editor plugin</a> to use this meta box.' ), esc_url( $install_url ) );
+            echo '</p>';
+        }
+    } elseif ( is_plugin_inactive( 'classic-editor/classic-editor.php' ) ) {
+        if ( current_user_can( 'activate_plugins' ) ) {
+            $activate_url = wp_nonce_url(
+                self_admin_url( 'plugins.php?action=activate&plugin=classic-editor/classic-editor.php' ),
+                'activate-plugin_classic-editor/classic-editor.php'
+            );
+
+            echo '<p>';
+            /* translators: %s: A link to activate the Classic Editor plugin. */
+            printf( __( 'Please activate the <a href="%s">Classic Editor plugin</a> to use this meta box.' ), esc_url( $activate_url ) );
+            echo '</p>';
+        }
+    } elseif ( $data_object instanceof WP_Post ) {
+        $edit_url = add_query_arg(
+            array(
+                'classic-editor'         => '',
+                'classic-editor__forget' => '',
+            ),
+            get_edit_post_link( $data_object )
+        );
+        echo '<p>';
+        /* translators: %s: A link to use the Classic Editor plugin. */
+        printf( __( 'Please open the <a href="%s">classic editor</a> to use this meta box.' ), esc_url( $edit_url ) );
+        echo '</p>';
+    }
 }
 
 /**
@@ -1202,41 +1202,41 @@ 
  * @return array|null The plugin that the callback belongs to, or null if it doesn't belong to a plugin.
  */
 function _get_plugin_from_callback( $callback ) {
-	try {
-		if ( is_array( $callback ) ) {
-			$reflection = new ReflectionMethod( $callback[0], $callback[1] );
-		} elseif ( is_string( $callback ) && false !== strpos( $callback, '::' ) ) {
-			$reflection = new ReflectionMethod( $callback );
-		} else {
-			$reflection = new ReflectionFunction( $callback );
-		}
-	} catch ( ReflectionException $exception ) {
-		// We could not properly reflect on the callable, so we abort here.
-		return null;
-	}
-
-	// Don't show an error if it's an internal PHP function.
-	if ( ! $reflection->isInternal() ) {
-
-		// Only show errors if the meta box was registered by a plugin.
-		$filename   = wp_normalize_path( $reflection->getFileName() );
-		$plugin_dir = wp_normalize_path( WP_PLUGIN_DIR );
-
-		if ( strpos( $filename, $plugin_dir ) === 0 ) {
-			$filename = str_replace( $plugin_dir, '', $filename );
-			$filename = preg_replace( '|^/([^/]*/).*$|', '\\1', $filename );
-
-			$plugins = get_plugins();
-
-			foreach ( $plugins as $name => $plugin ) {
-				if ( strpos( $name, $filename ) === 0 ) {
-					return $plugin;
-				}
-			}
-		}
-	}
-
-	return null;
+    try {
+        if ( is_array( $callback ) ) {
+            $reflection = new ReflectionMethod( $callback[0], $callback[1] );
+        } elseif ( is_string( $callback ) && false !== strpos( $callback, '::' ) ) {
+            $reflection = new ReflectionMethod( $callback );
+        } else {
+            $reflection = new ReflectionFunction( $callback );
+        }
+    } catch ( ReflectionException $exception ) {
+        // We could not properly reflect on the callable, so we abort here.
+        return null;
+    }
+
+    // Don't show an error if it's an internal PHP function.
+    if ( ! $reflection->isInternal() ) {
+
+        // Only show errors if the meta box was registered by a plugin.
+        $filename   = wp_normalize_path( $reflection->getFileName() );
+        $plugin_dir = wp_normalize_path( WP_PLUGIN_DIR );
+
+        if ( strpos( $filename, $plugin_dir ) === 0 ) {
+            $filename = str_replace( $plugin_dir, '', $filename );
+            $filename = preg_replace( '|^/([^/]*/).*$|', '\\1', $filename );
+
+            $plugins = get_plugins();
+
+            foreach ( $plugins as $name => $plugin ) {
+                if ( strpos( $name, $filename ) === 0 ) {
+                    return $plugin;
+                }
+            }
+        }
+    }
+
+    return null;
 }
 
 /**
@@ -1257,158 +1257,158 @@ 
  * @return int Number of meta_boxes.
  */
 function do_meta_boxes( $screen, $context, $data_object ) {
-	global $wp_meta_boxes;
-	static $already_sorted = false;
-
-	if ( empty( $screen ) ) {
-		$screen = get_current_screen();
-	} elseif ( is_string( $screen ) ) {
-		$screen = convert_to_screen( $screen );
-	}
-
-	$page = $screen->id;
-
-	$hidden = get_hidden_meta_boxes( $screen );
-
-	printf( '<div id="%s-sortables" class="meta-box-sortables">', esc_attr( $context ) );
-
-	// Grab the ones the user has manually sorted.
-	// Pull them out of their previous context/priority and into the one the user chose.
-	$sorted = get_user_option( "meta-box-order_$page" );
-
-	if ( ! $already_sorted && $sorted ) {
-		foreach ( $sorted as $box_context => $ids ) {
-			foreach ( explode( ',', $ids ) as $id ) {
-				if ( $id && 'dashboard_browser_nag' !== $id ) {
-					add_meta_box( $id, null, null, $screen, $box_context, 'sorted' );
-				}
-			}
-		}
-	}
-
-	$already_sorted = true;
-
-	$i = 0;
-
-	if ( isset( $wp_meta_boxes[ $page ][ $context ] ) ) {
-		foreach ( array( 'high', 'sorted', 'core', 'default', 'low' ) as $priority ) {
-			if ( isset( $wp_meta_boxes[ $page ][ $context ][ $priority ] ) ) {
-				foreach ( (array) $wp_meta_boxes[ $page ][ $context ][ $priority ] as $box ) {
-					if ( false === $box || ! $box['title'] ) {
-						continue;
-					}
-
-					$block_compatible = true;
-					if ( is_array( $box['args'] ) ) {
-						// If a meta box is just here for back compat, don't show it in the block editor.
-						if ( $screen->is_block_editor() && isset( $box['args']['__back_compat_meta_box'] ) && $box['args']['__back_compat_meta_box'] ) {
-							continue;
-						}
-
-						if ( isset( $box['args']['__block_editor_compatible_meta_box'] ) ) {
-							$block_compatible = (bool) $box['args']['__block_editor_compatible_meta_box'];
-							unset( $box['args']['__block_editor_compatible_meta_box'] );
-						}
-
-						// If the meta box is declared as incompatible with the block editor, override the callback function.
-						if ( ! $block_compatible && $screen->is_block_editor() ) {
-							$box['old_callback'] = $box['callback'];
-							$box['callback']     = 'do_block_editor_incompatible_meta_box';
-						}
-
-						if ( isset( $box['args']['__back_compat_meta_box'] ) ) {
-							$block_compatible = $block_compatible || (bool) $box['args']['__back_compat_meta_box'];
-							unset( $box['args']['__back_compat_meta_box'] );
-						}
-					}
-
-					$i++;
-					// get_hidden_meta_boxes() doesn't apply in the block editor.
-					$hidden_class = ( ! $screen->is_block_editor() && in_array( $box['id'], $hidden, true ) ) ? ' hide-if-js' : '';
-					echo '<div id="' . $box['id'] . '" class="postbox ' . postbox_classes( $box['id'], $page ) . $hidden_class . '" ' . '>' . "\n";
-
-					echo '<div class="postbox-header">';
-					echo '<h2 class="hndle">';
-					if ( 'dashboard_php_nag' === $box['id'] ) {
-						echo '<span aria-hidden="true" class="dashicons dashicons-warning"></span>';
-						echo '<span class="screen-reader-text">' . __( 'Warning:' ) . ' </span>';
-					}
-					echo $box['title'];
-					echo "</h2>\n";
-
-					if ( 'dashboard_browser_nag' !== $box['id'] ) {
-						$widget_title = $box['title'];
-
-						if ( is_array( $box['args'] ) && isset( $box['args']['__widget_basename'] ) ) {
-							$widget_title = $box['args']['__widget_basename'];
-							// Do not pass this parameter to the user callback function.
-							unset( $box['args']['__widget_basename'] );
-						}
-
-						echo '<div class="handle-actions hide-if-no-js">';
-
-						echo '<button type="button" class="handle-order-higher" aria-disabled="false" aria-describedby="' . $box['id'] . '-handle-order-higher-description">';
-						echo '<span class="screen-reader-text">' . __( 'Move up' ) . '</span>';
-						echo '<span class="order-higher-indicator" aria-hidden="true"></span>';
-						echo '</button>';
-						echo '<span class="hidden" id="' . $box['id'] . '-handle-order-higher-description">' . sprintf(
-							/* translators: %s: Meta box title. */
-							__( 'Move %s box up' ),
-							$widget_title
-						) . '</span>';
-
-						echo '<button type="button" class="handle-order-lower" aria-disabled="false" aria-describedby="' . $box['id'] . '-handle-order-lower-description">';
-						echo '<span class="screen-reader-text">' . __( 'Move down' ) . '</span>';
-						echo '<span class="order-lower-indicator" aria-hidden="true"></span>';
-						echo '</button>';
-						echo '<span class="hidden" id="' . $box['id'] . '-handle-order-lower-description">' . sprintf(
-							/* translators: %s: Meta box title. */
-							__( 'Move %s box down' ),
-							$widget_title
-						) . '</span>';
-
-						echo '<button type="button" class="handlediv" aria-expanded="true">';
-						echo '<span class="screen-reader-text">' . sprintf(
-							/* translators: %s: Meta box title. */
-							__( 'Toggle panel: %s' ),
-							$widget_title
-						) . '</span>';
-						echo '<span class="toggle-indicator" aria-hidden="true"></span>';
-						echo '</button>';
-
-						echo '</div>';
-					}
-					echo '</div>';
-
-					echo '<div class="inside">' . "\n";
-
-					if ( WP_DEBUG && ! $block_compatible && 'edit' === $screen->parent_base && ! $screen->is_block_editor() && ! isset( $_GET['meta-box-loader'] ) ) {
-						$plugin = _get_plugin_from_callback( $box['callback'] );
-						if ( $plugin ) {
-							?>
+    global $wp_meta_boxes;
+    static $already_sorted = false;
+
+    if ( empty( $screen ) ) {
+        $screen = get_current_screen();
+    } elseif ( is_string( $screen ) ) {
+        $screen = convert_to_screen( $screen );
+    }
+
+    $page = $screen->id;
+
+    $hidden = get_hidden_meta_boxes( $screen );
+
+    printf( '<div id="%s-sortables" class="meta-box-sortables">', esc_attr( $context ) );
+
+    // Grab the ones the user has manually sorted.
+    // Pull them out of their previous context/priority and into the one the user chose.
+    $sorted = get_user_option( "meta-box-order_$page" );
+
+    if ( ! $already_sorted && $sorted ) {
+        foreach ( $sorted as $box_context => $ids ) {
+            foreach ( explode( ',', $ids ) as $id ) {
+                if ( $id && 'dashboard_browser_nag' !== $id ) {
+                    add_meta_box( $id, null, null, $screen, $box_context, 'sorted' );
+                }
+            }
+        }
+    }
+
+    $already_sorted = true;
+
+    $i = 0;
+
+    if ( isset( $wp_meta_boxes[ $page ][ $context ] ) ) {
+        foreach ( array( 'high', 'sorted', 'core', 'default', 'low' ) as $priority ) {
+            if ( isset( $wp_meta_boxes[ $page ][ $context ][ $priority ] ) ) {
+                foreach ( (array) $wp_meta_boxes[ $page ][ $context ][ $priority ] as $box ) {
+                    if ( false === $box || ! $box['title'] ) {
+                        continue;
+                    }
+
+                    $block_compatible = true;
+                    if ( is_array( $box['args'] ) ) {
+                        // If a meta box is just here for back compat, don't show it in the block editor.
+                        if ( $screen->is_block_editor() && isset( $box['args']['__back_compat_meta_box'] ) && $box['args']['__back_compat_meta_box'] ) {
+                            continue;
+                        }
+
+                        if ( isset( $box['args']['__block_editor_compatible_meta_box'] ) ) {
+                            $block_compatible = (bool) $box['args']['__block_editor_compatible_meta_box'];
+                            unset( $box['args']['__block_editor_compatible_meta_box'] );
+                        }
+
+                        // If the meta box is declared as incompatible with the block editor, override the callback function.
+                        if ( ! $block_compatible && $screen->is_block_editor() ) {
+                            $box['old_callback'] = $box['callback'];
+                            $box['callback']     = 'do_block_editor_incompatible_meta_box';
+                        }
+
+                        if ( isset( $box['args']['__back_compat_meta_box'] ) ) {
+                            $block_compatible = $block_compatible || (bool) $box['args']['__back_compat_meta_box'];
+                            unset( $box['args']['__back_compat_meta_box'] );
+                        }
+                    }
+
+                    $i++;
+                    // get_hidden_meta_boxes() doesn't apply in the block editor.
+                    $hidden_class = ( ! $screen->is_block_editor() && in_array( $box['id'], $hidden, true ) ) ? ' hide-if-js' : '';
+                    echo '<div id="' . $box['id'] . '" class="postbox ' . postbox_classes( $box['id'], $page ) . $hidden_class . '" ' . '>' . "\n";
+
+                    echo '<div class="postbox-header">';
+                    echo '<h2 class="hndle">';
+                    if ( 'dashboard_php_nag' === $box['id'] ) {
+                        echo '<span aria-hidden="true" class="dashicons dashicons-warning"></span>';
+                        echo '<span class="screen-reader-text">' . __( 'Warning:' ) . ' </span>';
+                    }
+                    echo $box['title'];
+                    echo "</h2>\n";
+
+                    if ( 'dashboard_browser_nag' !== $box['id'] ) {
+                        $widget_title = $box['title'];
+
+                        if ( is_array( $box['args'] ) && isset( $box['args']['__widget_basename'] ) ) {
+                            $widget_title = $box['args']['__widget_basename'];
+                            // Do not pass this parameter to the user callback function.
+                            unset( $box['args']['__widget_basename'] );
+                        }
+
+                        echo '<div class="handle-actions hide-if-no-js">';
+
+                        echo '<button type="button" class="handle-order-higher" aria-disabled="false" aria-describedby="' . $box['id'] . '-handle-order-higher-description">';
+                        echo '<span class="screen-reader-text">' . __( 'Move up' ) . '</span>';
+                        echo '<span class="order-higher-indicator" aria-hidden="true"></span>';
+                        echo '</button>';
+                        echo '<span class="hidden" id="' . $box['id'] . '-handle-order-higher-description">' . sprintf(
+                            /* translators: %s: Meta box title. */
+                            __( 'Move %s box up' ),
+                            $widget_title
+                        ) . '</span>';
+
+                        echo '<button type="button" class="handle-order-lower" aria-disabled="false" aria-describedby="' . $box['id'] . '-handle-order-lower-description">';
+                        echo '<span class="screen-reader-text">' . __( 'Move down' ) . '</span>';
+                        echo '<span class="order-lower-indicator" aria-hidden="true"></span>';
+                        echo '</button>';
+                        echo '<span class="hidden" id="' . $box['id'] . '-handle-order-lower-description">' . sprintf(
+                            /* translators: %s: Meta box title. */
+                            __( 'Move %s box down' ),
+                            $widget_title
+                        ) . '</span>';
+
+                        echo '<button type="button" class="handlediv" aria-expanded="true">';
+                        echo '<span class="screen-reader-text">' . sprintf(
+                            /* translators: %s: Meta box title. */
+                            __( 'Toggle panel: %s' ),
+                            $widget_title
+                        ) . '</span>';
+                        echo '<span class="toggle-indicator" aria-hidden="true"></span>';
+                        echo '</button>';
+
+                        echo '</div>';
+                    }
+                    echo '</div>';
+
+                    echo '<div class="inside">' . "\n";
+
+                    if ( WP_DEBUG && ! $block_compatible && 'edit' === $screen->parent_base && ! $screen->is_block_editor() && ! isset( $_GET['meta-box-loader'] ) ) {
+                        $plugin = _get_plugin_from_callback( $box['callback'] );
+                        if ( $plugin ) {
+                            ?>
 							<div class="error inline">
 								<p>
 									<?php
-										/* translators: %s: The name of the plugin that generated this meta box. */
-										printf( __( 'This meta box, from the %s plugin, is not compatible with the block editor.' ), "<strong>{$plugin['Name']}</strong>" );
-									?>
+                                        /* translators: %s: The name of the plugin that generated this meta box. */
+                                        printf( __( 'This meta box, from the %s plugin, is not compatible with the block editor.' ), "<strong>{$plugin['Name']}</strong>" );
+                                    ?>
 								</p>
 							</div>
 							<?php
-						}
-					}
+                        }
+                    }
 
-					call_user_func( $box['callback'], $data_object, $box );
-					echo "</div>\n";
-					echo "</div>\n";
-				}
-			}
-		}
-	}
+                    call_user_func( $box['callback'], $data_object, $box );
+                    echo "</div>\n";
+                    echo "</div>\n";
+                }
+            }
+        }
+    }
 
-	echo '</div>';
+    echo '</div>';
 
-	return $i;
+    return $i;
 
 }
 
@@ -1431,37 +1431,37 @@ 
  *                                        all use the 'side' context.
  */
 function remove_meta_box( $id, $screen, $context ) {
-	global $wp_meta_boxes;
-
-	if ( empty( $screen ) ) {
-		$screen = get_current_screen();
-	} elseif ( is_string( $screen ) ) {
-		$screen = convert_to_screen( $screen );
-	} elseif ( is_array( $screen ) ) {
-		foreach ( $screen as $single_screen ) {
-			remove_meta_box( $id, $single_screen, $context );
-		}
-	}
-
-	if ( ! isset( $screen->id ) ) {
-		return;
-	}
-
-	$page = $screen->id;
-
-	if ( ! isset( $wp_meta_boxes ) ) {
-		$wp_meta_boxes = array();
-	}
-	if ( ! isset( $wp_meta_boxes[ $page ] ) ) {
-		$wp_meta_boxes[ $page ] = array();
-	}
-	if ( ! isset( $wp_meta_boxes[ $page ][ $context ] ) ) {
-		$wp_meta_boxes[ $page ][ $context ] = array();
-	}
-
-	foreach ( array( 'high', 'core', 'default', 'low' ) as $priority ) {
-		$wp_meta_boxes[ $page ][ $context ][ $priority ][ $id ] = false;
-	}
+    global $wp_meta_boxes;
+
+    if ( empty( $screen ) ) {
+        $screen = get_current_screen();
+    } elseif ( is_string( $screen ) ) {
+        $screen = convert_to_screen( $screen );
+    } elseif ( is_array( $screen ) ) {
+        foreach ( $screen as $single_screen ) {
+            remove_meta_box( $id, $single_screen, $context );
+        }
+    }
+
+    if ( ! isset( $screen->id ) ) {
+        return;
+    }
+
+    $page = $screen->id;
+
+    if ( ! isset( $wp_meta_boxes ) ) {
+        $wp_meta_boxes = array();
+    }
+    if ( ! isset( $wp_meta_boxes[ $page ] ) ) {
+        $wp_meta_boxes[ $page ] = array();
+    }
+    if ( ! isset( $wp_meta_boxes[ $page ][ $context ] ) ) {
+        $wp_meta_boxes[ $page ][ $context ] = array();
+    }
+
+    foreach ( array( 'high', 'core', 'default', 'low' ) as $priority ) {
+        $wp_meta_boxes[ $page ][ $context ][ $priority ][ $id ] = false;
+    }
 }
 
 /**
@@ -1481,43 +1481,43 @@ 
  * @return int Number of meta boxes as accordion sections.
  */
 function do_accordion_sections( $screen, $context, $data_object ) {
-	global $wp_meta_boxes;
+    global $wp_meta_boxes;
 
-	wp_enqueue_script( 'accordion' );
+    wp_enqueue_script( 'accordion' );
 
-	if ( empty( $screen ) ) {
-		$screen = get_current_screen();
-	} elseif ( is_string( $screen ) ) {
-		$screen = convert_to_screen( $screen );
-	}
+    if ( empty( $screen ) ) {
+        $screen = get_current_screen();
+    } elseif ( is_string( $screen ) ) {
+        $screen = convert_to_screen( $screen );
+    }
 
-	$page = $screen->id;
+    $page = $screen->id;
 
-	$hidden = get_hidden_meta_boxes( $screen );
-	?>
+    $hidden = get_hidden_meta_boxes( $screen );
+    ?>
 	<div id="side-sortables" class="accordion-container">
 		<ul class="outer-border">
 	<?php
-	$i          = 0;
-	$first_open = false;
-
-	if ( isset( $wp_meta_boxes[ $page ][ $context ] ) ) {
-		foreach ( array( 'high', 'core', 'default', 'low' ) as $priority ) {
-			if ( isset( $wp_meta_boxes[ $page ][ $context ][ $priority ] ) ) {
-				foreach ( $wp_meta_boxes[ $page ][ $context ][ $priority ] as $box ) {
-					if ( false === $box || ! $box['title'] ) {
-						continue;
-					}
-
-					$i++;
-					$hidden_class = in_array( $box['id'], $hidden, true ) ? 'hide-if-js' : '';
-
-					$open_class = '';
-					if ( ! $first_open && empty( $hidden_class ) ) {
-						$first_open = true;
-						$open_class = 'open';
-					}
-					?>
+    $i          = 0;
+    $first_open = false;
+
+    if ( isset( $wp_meta_boxes[ $page ][ $context ] ) ) {
+        foreach ( array( 'high', 'core', 'default', 'low' ) as $priority ) {
+            if ( isset( $wp_meta_boxes[ $page ][ $context ][ $priority ] ) ) {
+                foreach ( $wp_meta_boxes[ $page ][ $context ][ $priority ] as $box ) {
+                    if ( false === $box || ! $box['title'] ) {
+                        continue;
+                    }
+
+                    $i++;
+                    $hidden_class = in_array( $box['id'], $hidden, true ) ? 'hide-if-js' : '';
+
+                    $open_class = '';
+                    if ( ! $first_open && empty( $hidden_class ) ) {
+                        $first_open = true;
+                        $open_class = 'open';
+                    }
+                    ?>
 					<li class="control-section accordion-section <?php echo $hidden_class; ?> <?php echo $open_class; ?> <?php echo esc_attr( $box['id'] ); ?>" id="<?php echo esc_attr( $box['id'] ); ?>">
 						<h3 class="accordion-section-title hndle" tabindex="0">
 							<?php echo esc_html( $box['title'] ); ?>
@@ -1530,15 +1530,15 @@ 
 						</div><!-- .accordion-section-content -->
 					</li><!-- .accordion-section -->
 					<?php
-				}
-			}
-		}
-	}
-	?>
+                }
+            }
+        }
+    }
+    ?>
 		</ul><!-- .outer-border -->
 	</div><!-- .accordion-container -->
 	<?php
-	return $i;
+    return $i;
 }
 
 /**
@@ -1564,39 +1564,39 @@ 
  *                           add_options_page();
  */
 function add_settings_section( $id, $title, $callback, $page ) {
-	global $wp_settings_sections;
-
-	if ( 'misc' === $page ) {
-		_deprecated_argument(
-			__FUNCTION__,
-			'3.0.0',
-			sprintf(
-				/* translators: %s: misc */
-				__( 'The "%s" options group has been removed. Use another settings group.' ),
-				'misc'
-			)
-		);
-		$page = 'general';
-	}
-
-	if ( 'privacy' === $page ) {
-		_deprecated_argument(
-			__FUNCTION__,
-			'3.5.0',
-			sprintf(
-				/* translators: %s: privacy */
-				__( 'The "%s" options group has been removed. Use another settings group.' ),
-				'privacy'
-			)
-		);
-		$page = 'reading';
-	}
-
-	$wp_settings_sections[ $page ][ $id ] = array(
-		'id'       => $id,
-		'title'    => $title,
-		'callback' => $callback,
-	);
+    global $wp_settings_sections;
+
+    if ( 'misc' === $page ) {
+        _deprecated_argument(
+            __FUNCTION__,
+            '3.0.0',
+            sprintf(
+                /* translators: %s: misc */
+                __( 'The "%s" options group has been removed. Use another settings group.' ),
+                'misc'
+            )
+        );
+        $page = 'general';
+    }
+
+    if ( 'privacy' === $page ) {
+        _deprecated_argument(
+            __FUNCTION__,
+            '3.5.0',
+            sprintf(
+                /* translators: %s: privacy */
+                __( 'The "%s" options group has been removed. Use another settings group.' ),
+                'privacy'
+            )
+        );
+        $page = 'reading';
+    }
+
+    $wp_settings_sections[ $page ][ $id ] = array(
+        'id'       => $id,
+        'title'    => $title,
+        'callback' => $callback,
+    );
 }
 
 /**
@@ -1635,40 +1635,40 @@ 
  * }
  */
 function add_settings_field( $id, $title, $callback, $page, $section = 'default', $args = array() ) {
-	global $wp_settings_fields;
-
-	if ( 'misc' === $page ) {
-		_deprecated_argument(
-			__FUNCTION__,
-			'3.0.0',
-			sprintf(
-				/* translators: %s: misc */
-				__( 'The "%s" options group has been removed. Use another settings group.' ),
-				'misc'
-			)
-		);
-		$page = 'general';
-	}
-
-	if ( 'privacy' === $page ) {
-		_deprecated_argument(
-			__FUNCTION__,
-			'3.5.0',
-			sprintf(
-				/* translators: %s: privacy */
-				__( 'The "%s" options group has been removed. Use another settings group.' ),
-				'privacy'
-			)
-		);
-		$page = 'reading';
-	}
-
-	$wp_settings_fields[ $page ][ $section ][ $id ] = array(
-		'id'       => $id,
-		'title'    => $title,
-		'callback' => $callback,
-		'args'     => $args,
-	);
+    global $wp_settings_fields;
+
+    if ( 'misc' === $page ) {
+        _deprecated_argument(
+            __FUNCTION__,
+            '3.0.0',
+            sprintf(
+                /* translators: %s: misc */
+                __( 'The "%s" options group has been removed. Use another settings group.' ),
+                'misc'
+            )
+        );
+        $page = 'general';
+    }
+
+    if ( 'privacy' === $page ) {
+        _deprecated_argument(
+            __FUNCTION__,
+            '3.5.0',
+            sprintf(
+                /* translators: %s: privacy */
+                __( 'The "%s" options group has been removed. Use another settings group.' ),
+                'privacy'
+            )
+        );
+        $page = 'reading';
+    }
+
+    $wp_settings_fields[ $page ][ $section ][ $id ] = array(
+        'id'       => $id,
+        'title'    => $title,
+        'callback' => $callback,
+        'args'     => $args,
+    );
 }
 
 /**
@@ -1685,28 +1685,28 @@ 
  * @param string $page The slug name of the page whose settings sections you want to output.
  */
 function do_settings_sections( $page ) {
-	global $wp_settings_sections, $wp_settings_fields;
-
-	if ( ! isset( $wp_settings_sections[ $page ] ) ) {
-		return;
-	}
-
-	foreach ( (array) $wp_settings_sections[ $page ] as $section ) {
-		if ( $section['title'] ) {
-			echo "<h2>{$section['title']}</h2>\n";
-		}
-
-		if ( $section['callback'] ) {
-			call_user_func( $section['callback'], $section );
-		}
-
-		if ( ! isset( $wp_settings_fields ) || ! isset( $wp_settings_fields[ $page ] ) || ! isset( $wp_settings_fields[ $page ][ $section['id'] ] ) ) {
-			continue;
-		}
-		echo '<table class="form-table" role="presentation">';
-		do_settings_fields( $page, $section['id'] );
-		echo '</table>';
-	}
+    global $wp_settings_sections, $wp_settings_fields;
+
+    if ( ! isset( $wp_settings_sections[ $page ] ) ) {
+        return;
+    }
+
+    foreach ( (array) $wp_settings_sections[ $page ] as $section ) {
+        if ( $section['title'] ) {
+            echo "<h2>{$section['title']}</h2>\n";
+        }
+
+        if ( $section['callback'] ) {
+            call_user_func( $section['callback'], $section );
+        }
+
+        if ( ! isset( $wp_settings_fields ) || ! isset( $wp_settings_fields[ $page ] ) || ! isset( $wp_settings_fields[ $page ][ $section['id'] ] ) ) {
+            continue;
+        }
+        echo '<table class="form-table" role="presentation">';
+        do_settings_fields( $page, $section['id'] );
+        echo '</table>';
+    }
 }
 
 /**
@@ -1724,32 +1724,32 @@ 
  * @param string $section Slug title of the settings section whose fields you want to show.
  */
 function do_settings_fields( $page, $section ) {
-	global $wp_settings_fields;
+    global $wp_settings_fields;
 
-	if ( ! isset( $wp_settings_fields[ $page ][ $section ] ) ) {
-		return;
-	}
+    if ( ! isset( $wp_settings_fields[ $page ][ $section ] ) ) {
+        return;
+    }
 
-	foreach ( (array) $wp_settings_fields[ $page ][ $section ] as $field ) {
-		$class = '';
+    foreach ( (array) $wp_settings_fields[ $page ][ $section ] as $field ) {
+        $class = '';
 
-		if ( ! empty( $field['args']['class'] ) ) {
-			$class = ' class="' . esc_attr( $field['args']['class'] ) . '"';
-		}
+        if ( ! empty( $field['args']['class'] ) ) {
+            $class = ' class="' . esc_attr( $field['args']['class'] ) . '"';
+        }
 
-		echo "<tr{$class}>";
+        echo "<tr{$class}>";
 
-		if ( ! empty( $field['args']['label_for'] ) ) {
-			echo '<th scope="row"><label for="' . esc_attr( $field['args']['label_for'] ) . '">' . $field['title'] . '</label></th>';
-		} else {
-			echo '<th scope="row">' . $field['title'] . '</th>';
-		}
+        if ( ! empty( $field['args']['label_for'] ) ) {
+            echo '<th scope="row"><label for="' . esc_attr( $field['args']['label_for'] ) . '">' . $field['title'] . '</label></th>';
+        } else {
+            echo '<th scope="row">' . $field['title'] . '</th>';
+        }
 
-		echo '<td>';
-		call_user_func( $field['callback'], $field['args'] );
-		echo '</td>';
-		echo '</tr>';
-	}
+        echo '<td>';
+        call_user_func( $field['callback'], $field['args'] );
+        echo '</td>';
+        echo '</tr>';
+    }
 }
 
 /**
@@ -1778,14 +1778,14 @@ 
  *                        'success', 'warning', 'info'. Default 'error'.
  */
 function add_settings_error( $setting, $code, $message, $type = 'error' ) {
-	global $wp_settings_errors;
-
-	$wp_settings_errors[] = array(
-		'setting' => $setting,
-		'code'    => $code,
-		'message' => $message,
-		'type'    => $type,
-	);
+    global $wp_settings_errors;
+
+    $wp_settings_errors[] = array(
+        'setting' => $setting,
+        'code'    => $code,
+        'message' => $message,
+        'type'    => $type,
+    );
 }
 
 /**
@@ -1821,42 +1821,42 @@ 
  * }
  */
 function get_settings_errors( $setting = '', $sanitize = false ) {
-	global $wp_settings_errors;
+    global $wp_settings_errors;
 
-	/*
+    /*
 	 * If $sanitize is true, manually re-run the sanitization for this option
 	 * This allows the $sanitize_callback from register_setting() to run, adding
 	 * any settings errors you want to show by default.
 	 */
-	if ( $sanitize ) {
-		sanitize_option( $setting, get_option( $setting ) );
-	}
-
-	// If settings were passed back from options.php then use them.
-	if ( isset( $_GET['settings-updated'] ) && $_GET['settings-updated'] && get_transient( 'settings_errors' ) ) {
-		$wp_settings_errors = array_merge( (array) $wp_settings_errors, get_transient( 'settings_errors' ) );
-		delete_transient( 'settings_errors' );
-	}
-
-	// Check global in case errors have been added on this pageload.
-	if ( empty( $wp_settings_errors ) ) {
-		return array();
-	}
-
-	// Filter the results to those of a specific setting if one was set.
-	if ( $setting ) {
-		$setting_errors = array();
-
-		foreach ( (array) $wp_settings_errors as $key => $details ) {
-			if ( $setting === $details['setting'] ) {
-				$setting_errors[] = $wp_settings_errors[ $key ];
-			}
-		}
-
-		return $setting_errors;
-	}
-
-	return $wp_settings_errors;
+    if ( $sanitize ) {
+        sanitize_option( $setting, get_option( $setting ) );
+    }
+
+    // If settings were passed back from options.php then use them.
+    if ( isset( $_GET['settings-updated'] ) && $_GET['settings-updated'] && get_transient( 'settings_errors' ) ) {
+        $wp_settings_errors = array_merge( (array) $wp_settings_errors, get_transient( 'settings_errors' ) );
+        delete_transient( 'settings_errors' );
+    }
+
+    // Check global in case errors have been added on this pageload.
+    if ( empty( $wp_settings_errors ) ) {
+        return array();
+    }
+
+    // Filter the results to those of a specific setting if one was set.
+    if ( $setting ) {
+        $setting_errors = array();
+
+        foreach ( (array) $wp_settings_errors as $key => $details ) {
+            if ( $setting === $details['setting'] ) {
+                $setting_errors[] = $wp_settings_errors[ $key ];
+            }
+        }
+
+        return $setting_errors;
+    }
+
+    return $wp_settings_errors;
 }
 
 /**
@@ -1890,42 +1890,42 @@ 
  */
 function settings_errors( $setting = '', $sanitize = false, $hide_on_update = false ) {
 
-	if ( $hide_on_update && ! empty( $_GET['settings-updated'] ) ) {
-		return;
-	}
+    if ( $hide_on_update && ! empty( $_GET['settings-updated'] ) ) {
+        return;
+    }
 
-	$settings_errors = get_settings_errors( $setting, $sanitize );
+    $settings_errors = get_settings_errors( $setting, $sanitize );
 
-	if ( empty( $settings_errors ) ) {
-		return;
-	}
+    if ( empty( $settings_errors ) ) {
+        return;
+    }
 
-	$output = '';
+    $output = '';
 
-	foreach ( $settings_errors as $key => $details ) {
-		if ( 'updated' === $details['type'] ) {
-			$details['type'] = 'success';
-		}
+    foreach ( $settings_errors as $key => $details ) {
+        if ( 'updated' === $details['type'] ) {
+            $details['type'] = 'success';
+        }
 
-		if ( in_array( $details['type'], array( 'error', 'success', 'warning', 'info' ), true ) ) {
-			$details['type'] = 'notice-' . $details['type'];
-		}
+        if ( in_array( $details['type'], array( 'error', 'success', 'warning', 'info' ), true ) ) {
+            $details['type'] = 'notice-' . $details['type'];
+        }
+
+        $css_id    = sprintf(
+            'setting-error-%s',
+            esc_attr( $details['code'] )
+        );
+        $css_class = sprintf(
+            'notice %s settings-error is-dismissible',
+            esc_attr( $details['type'] )
+        );
+
+        $output .= "<div id='$css_id' class='$css_class'> \n";
+        $output .= "<p><strong>{$details['message']}</strong></p>";
+        $output .= "</div> \n";
+    }
 
-		$css_id    = sprintf(
-			'setting-error-%s',
-			esc_attr( $details['code'] )
-		);
-		$css_class = sprintf(
-			'notice %s settings-error is-dismissible',
-			esc_attr( $details['type'] )
-		);
-
-		$output .= "<div id='$css_id' class='$css_class'> \n";
-		$output .= "<p><strong>{$details['message']}</strong></p>";
-		$output .= "</div> \n";
-	}
-
-	echo $output;
+    echo $output;
 }
 
 /**
@@ -1936,7 +1936,7 @@ 
  * @param string $found_action
  */
 function find_posts_div( $found_action = '' ) {
-	?>
+    ?>
 	<div id="find-posts" class="find-box" style="display: none;">
 		<div id="find-posts-head" class="find-box-head">
 			<?php _e( 'Attach to existing content' ); ?>
@@ -1973,10 +1973,10 @@ 
  * @since 2.7.0
  */
 function the_post_password() {
-	$post = get_post();
-	if ( isset( $post->post_password ) ) {
-		echo esc_attr( $post->post_password );
-	}
+    $post = get_post();
+    if ( isset( $post->post_password ) ) {
+        echo esc_attr( $post->post_password );
+    }
 }
 
 /**
@@ -1991,11 +1991,11 @@ 
  * @return string The post title if set.
  */
 function _draft_or_post_title( $post = 0 ) {
-	$title = get_the_title( $post );
-	if ( empty( $title ) ) {
-		$title = __( '(no title)' );
-	}
-	return esc_html( $title );
+    $title = get_the_title( $post );
+    if ( empty( $title ) ) {
+        $title = __( '(no title)' );
+    }
+    return esc_html( $title );
 }
 
 /**
@@ -2007,7 +2007,7 @@ 
  * @since 2.7.0
  */
 function _admin_search_query() {
-	echo isset( $_REQUEST['s'] ) ? esc_attr( wp_unslash( $_REQUEST['s'] ) ) : '';
+    echo isset( $_REQUEST['s'] ) ? esc_attr( wp_unslash( $_REQUEST['s'] ) ) : '';
 }
 
 /**
@@ -2023,19 +2023,19 @@ 
  * @param bool   $deprecated Not used.
  */
 function iframe_header( $title = '', $deprecated = false ) {
-	show_admin_bar( false );
-	global $hook_suffix, $admin_body_class, $wp_locale;
-	$admin_body_class = preg_replace( '/[^a-z0-9_-]+/i', '-', $hook_suffix );
+    show_admin_bar( false );
+    global $hook_suffix, $admin_body_class, $wp_locale;
+    $admin_body_class = preg_replace( '/[^a-z0-9_-]+/i', '-', $hook_suffix );
 
-	$current_screen = get_current_screen();
+    $current_screen = get_current_screen();
 
-	header( 'Content-Type: ' . get_option( 'html_type' ) . '; charset=' . get_option( 'blog_charset' ) );
-	_wp_admin_html_begin();
-	?>
+    header( 'Content-Type: ' . get_option( 'html_type' ) . '; charset=' . get_option( 'blog_charset' ) );
+    _wp_admin_html_begin();
+    ?>
 <title><?php bloginfo( 'name' ); ?> &rsaquo; <?php echo $title; ?> &#8212; <?php _e( 'WordPress' ); ?></title>
 	<?php
-	wp_enqueue_style( 'colors' );
-	?>
+    wp_enqueue_style( 'colors' );
+    ?>
 <script type="text/javascript">
 addLoadEvent = function(func){if(typeof jQuery!=='undefined')jQuery(function(){func();});else if(typeof wpOnload!=='function'){wpOnload=func;}else{var oldonload=wpOnload;wpOnload=function(){oldonload();func();}}};
 function tb_close(){var win=window.dialogArguments||opener||parent||top;win.tb_remove();}
@@ -2048,45 +2048,45 @@ 
 	isRtl = <?php echo (int) is_rtl(); ?>;
 </script>
 	<?php
-	/** This action is documented in wp-admin/admin-header.php */
-	do_action( 'admin_enqueue_scripts', $hook_suffix );
+    /** This action is documented in wp-admin/admin-header.php */
+    do_action( 'admin_enqueue_scripts', $hook_suffix );
 
-	/** This action is documented in wp-admin/admin-header.php */
-	do_action( "admin_print_styles-{$hook_suffix}" );  // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
+    /** This action is documented in wp-admin/admin-header.php */
+    do_action( "admin_print_styles-{$hook_suffix}" );  // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
 
-	/** This action is documented in wp-admin/admin-header.php */
-	do_action( 'admin_print_styles' );
+    /** This action is documented in wp-admin/admin-header.php */
+    do_action( 'admin_print_styles' );
 
-	/** This action is documented in wp-admin/admin-header.php */
-	do_action( "admin_print_scripts-{$hook_suffix}" ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
+    /** This action is documented in wp-admin/admin-header.php */
+    do_action( "admin_print_scripts-{$hook_suffix}" ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
 
-	/** This action is documented in wp-admin/admin-header.php */
-	do_action( 'admin_print_scripts' );
+    /** This action is documented in wp-admin/admin-header.php */
+    do_action( 'admin_print_scripts' );
 
-	/** This action is documented in wp-admin/admin-header.php */
-	do_action( "admin_head-{$hook_suffix}" ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
+    /** This action is documented in wp-admin/admin-header.php */
+    do_action( "admin_head-{$hook_suffix}" ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
 
-	/** This action is documented in wp-admin/admin-header.php */
-	do_action( 'admin_head' );
+    /** This action is documented in wp-admin/admin-header.php */
+    do_action( 'admin_head' );
 
-	$admin_body_class .= ' locale-' . sanitize_html_class( strtolower( str_replace( '_', '-', get_user_locale() ) ) );
+    $admin_body_class .= ' locale-' . sanitize_html_class( strtolower( str_replace( '_', '-', get_user_locale() ) ) );
 
-	if ( is_rtl() ) {
-		$admin_body_class .= ' rtl';
-	}
+    if ( is_rtl() ) {
+        $admin_body_class .= ' rtl';
+    }
 
-	?>
+    ?>
 </head>
 	<?php
-	/**
-	 * @global string $body_id
-	 */
-	$admin_body_id = isset( $GLOBALS['body_id'] ) ? 'id="' . $GLOBALS['body_id'] . '" ' : '';
-
-	/** This filter is documented in wp-admin/admin-header.php */
-	$admin_body_classes = apply_filters( 'admin_body_class', '' );
-	$admin_body_classes = ltrim( $admin_body_classes . ' ' . $admin_body_class );
-	?>
+    /**
+     * @global string $body_id
+     */
+    $admin_body_id = isset( $GLOBALS['body_id'] ) ? 'id="' . $GLOBALS['body_id'] . '" ' : '';
+
+    /** This filter is documented in wp-admin/admin-header.php */
+    $admin_body_classes = apply_filters( 'admin_body_class', '' );
+    $admin_body_classes = ltrim( $admin_body_classes . ' ' . $admin_body_class );
+    ?>
 <body <?php echo $admin_body_id; ?>class="wp-admin wp-core-ui no-js iframe <?php echo $admin_body_classes; ?>">
 <script type="text/javascript">
 (function(){
@@ -2104,28 +2104,28 @@ 
  * @since 2.7.0
  */
 function iframe_footer() {
-	/*
+    /*
 	 * We're going to hide any footer output on iFrame pages,
 	 * but run the hooks anyway since they output JavaScript
 	 * or other needed content.
 	 */
 
-	/**
-	 * @global string $hook_suffix
-	 */
-	global $hook_suffix;
-	?>
+    /**
+     * @global string $hook_suffix
+     */
+    global $hook_suffix;
+    ?>
 	<div class="hidden">
 	<?php
-	/** This action is documented in wp-admin/admin-footer.php */
-	do_action( 'admin_footer', $hook_suffix );
+    /** This action is documented in wp-admin/admin-footer.php */
+    do_action( 'admin_footer', $hook_suffix );
 
-	/** This action is documented in wp-admin/admin-footer.php */
-	do_action( "admin_print_footer_scripts-{$hook_suffix}" ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
+    /** This action is documented in wp-admin/admin-footer.php */
+    do_action( "admin_print_footer_scripts-{$hook_suffix}" ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
 
-	/** This action is documented in wp-admin/admin-footer.php */
-	do_action( 'admin_print_footer_scripts' );
-	?>
+    /** This action is documented in wp-admin/admin-footer.php */
+    do_action( 'admin_print_footer_scripts' );
+    ?>
 	</div>
 <script type="text/javascript">if(typeof wpOnload==='function')wpOnload();</script>
 </body>
@@ -2147,30 +2147,30 @@ 
  * @return string Post states string.
  */
 function _post_states( $post, $display = true ) {
-	$post_states        = get_post_states( $post );
-	$post_states_string = '';
+    $post_states        = get_post_states( $post );
+    $post_states_string = '';
 
-	if ( ! empty( $post_states ) ) {
-		$state_count = count( $post_states );
+    if ( ! empty( $post_states ) ) {
+        $state_count = count( $post_states );
 
-		$i = 0;
+        $i = 0;
 
-		$post_states_string .= ' &mdash; ';
+        $post_states_string .= ' &mdash; ';
 
-		foreach ( $post_states as $state ) {
-			++$i;
+        foreach ( $post_states as $state ) {
+            ++$i;
 
-			$sep = ( $i < $state_count ) ? ', ' : '';
+            $sep = ( $i < $state_count ) ? ', ' : '';
 
-			$post_states_string .= "<span class='post-state'>$state$sep</span>";
-		}
-	}
+            $post_states_string .= "<span class='post-state'>$state$sep</span>";
+        }
+    }
 
-	if ( $display ) {
-		echo $post_states_string;
-	}
+    if ( $display ) {
+        echo $post_states_string;
+    }
 
-	return $post_states_string;
+    return $post_states_string;
 }
 
 /**
@@ -2182,71 +2182,71 @@ 
  * @return string[] Array of post state labels keyed by their state.
  */
 function get_post_states( $post ) {
-	$post_states = array();
-
-	if ( isset( $_REQUEST['post_status'] ) ) {
-		$post_status = $_REQUEST['post_status'];
-	} else {
-		$post_status = '';
-	}
-
-	if ( ! empty( $post->post_password ) ) {
-		$post_states['protected'] = _x( 'Password protected', 'post status' );
-	}
-
-	if ( 'private' === $post->post_status && 'private' !== $post_status ) {
-		$post_states['private'] = _x( 'Private', 'post status' );
-	}
-
-	if ( 'draft' === $post->post_status ) {
-		if ( get_post_meta( $post->ID, '_customize_changeset_uuid', true ) ) {
-			$post_states[] = __( 'Customization Draft' );
-		} elseif ( 'draft' !== $post_status ) {
-			$post_states['draft'] = _x( 'Draft', 'post status' );
-		}
-	} elseif ( 'trash' === $post->post_status && get_post_meta( $post->ID, '_customize_changeset_uuid', true ) ) {
-		$post_states[] = _x( 'Customization Draft', 'post status' );
-	}
-
-	if ( 'pending' === $post->post_status && 'pending' !== $post_status ) {
-		$post_states['pending'] = _x( 'Pending', 'post status' );
-	}
-
-	if ( is_sticky( $post->ID ) ) {
-		$post_states['sticky'] = _x( 'Sticky', 'post status' );
-	}
-
-	if ( 'future' === $post->post_status ) {
-		$post_states['scheduled'] = _x( 'Scheduled', 'post status' );
-	}
-
-	if ( 'page' === get_option( 'show_on_front' ) ) {
-		if ( (int) get_option( 'page_on_front' ) === $post->ID ) {
-			$post_states['page_on_front'] = _x( 'Front Page', 'page label' );
-		}
-
-		if ( (int) get_option( 'page_for_posts' ) === $post->ID ) {
-			$post_states['page_for_posts'] = _x( 'Posts Page', 'page label' );
-		}
-	}
-
-	if ( (int) get_option( 'wp_page_for_privacy_policy' ) === $post->ID ) {
-		$post_states['page_for_privacy_policy'] = _x( 'Privacy Policy Page', 'page label' );
-	}
-
-	/**
-	 * Filters the default post display states used in the posts list table.
-	 *
-	 * @since 2.8.0
-	 * @since 3.6.0 Added the `$post` parameter.
-	 * @since 5.5.0 Also applied in the Customizer context. If any admin functions
-	 *              are used within the filter, their existence should be checked
-	 *              with `function_exists()` before being used.
-	 *
-	 * @param string[] $post_states An array of post display states.
-	 * @param WP_Post  $post        The current post object.
-	 */
-	return apply_filters( 'display_post_states', $post_states, $post );
+    $post_states = array();
+
+    if ( isset( $_REQUEST['post_status'] ) ) {
+        $post_status = $_REQUEST['post_status'];
+    } else {
+        $post_status = '';
+    }
+
+    if ( ! empty( $post->post_password ) ) {
+        $post_states['protected'] = _x( 'Password protected', 'post status' );
+    }
+
+    if ( 'private' === $post->post_status && 'private' !== $post_status ) {
+        $post_states['private'] = _x( 'Private', 'post status' );
+    }
+
+    if ( 'draft' === $post->post_status ) {
+        if ( get_post_meta( $post->ID, '_customize_changeset_uuid', true ) ) {
+            $post_states[] = __( 'Customization Draft' );
+        } elseif ( 'draft' !== $post_status ) {
+            $post_states['draft'] = _x( 'Draft', 'post status' );
+        }
+    } elseif ( 'trash' === $post->post_status && get_post_meta( $post->ID, '_customize_changeset_uuid', true ) ) {
+        $post_states[] = _x( 'Customization Draft', 'post status' );
+    }
+
+    if ( 'pending' === $post->post_status && 'pending' !== $post_status ) {
+        $post_states['pending'] = _x( 'Pending', 'post status' );
+    }
+
+    if ( is_sticky( $post->ID ) ) {
+        $post_states['sticky'] = _x( 'Sticky', 'post status' );
+    }
+
+    if ( 'future' === $post->post_status ) {
+        $post_states['scheduled'] = _x( 'Scheduled', 'post status' );
+    }
+
+    if ( 'page' === get_option( 'show_on_front' ) ) {
+        if ( (int) get_option( 'page_on_front' ) === $post->ID ) {
+            $post_states['page_on_front'] = _x( 'Front Page', 'page label' );
+        }
+
+        if ( (int) get_option( 'page_for_posts' ) === $post->ID ) {
+            $post_states['page_for_posts'] = _x( 'Posts Page', 'page label' );
+        }
+    }
+
+    if ( (int) get_option( 'wp_page_for_privacy_policy' ) === $post->ID ) {
+        $post_states['page_for_privacy_policy'] = _x( 'Privacy Policy Page', 'page label' );
+    }
+
+    /**
+     * Filters the default post display states used in the posts list table.
+     *
+     * @since 2.8.0
+     * @since 3.6.0 Added the `$post` parameter.
+     * @since 5.5.0 Also applied in the Customizer context. If any admin functions
+     *              are used within the filter, their existence should be checked
+     *              with `function_exists()` before being used.
+     *
+     * @param string[] $post_states An array of post display states.
+     * @param WP_Post  $post        The current post object.
+     */
+    return apply_filters( 'display_post_states', $post_states, $post );
 }
 
 /**
@@ -2261,30 +2261,30 @@ 
  * @return string Media states string.
  */
 function _media_states( $post, $display = true ) {
-	$media_states        = get_media_states( $post );
-	$media_states_string = '';
+    $media_states        = get_media_states( $post );
+    $media_states_string = '';
 
-	if ( ! empty( $media_states ) ) {
-		$state_count = count( $media_states );
+    if ( ! empty( $media_states ) ) {
+        $state_count = count( $media_states );
 
-		$i = 0;
+        $i = 0;
 
-		$media_states_string .= ' &mdash; ';
+        $media_states_string .= ' &mdash; ';
 
-		foreach ( $media_states as $state ) {
-			++$i;
+        foreach ( $media_states as $state ) {
+            ++$i;
 
-			$sep = ( $i < $state_count ) ? ', ' : '';
+            $sep = ( $i < $state_count ) ? ', ' : '';
 
-			$media_states_string .= "<span class='post-state'>$state$sep</span>";
-		}
-	}
+            $media_states_string .= "<span class='post-state'>$state$sep</span>";
+        }
+    }
 
-	if ( $display ) {
-		echo $media_states_string;
-	}
+    if ( $display ) {
+        echo $media_states_string;
+    }
 
-	return $media_states_string;
+    return $media_states_string;
 }
 
 /**
@@ -2296,76 +2296,76 @@ 
  * @return string[] Array of media state labels keyed by their state.
  */
 function get_media_states( $post ) {
-	static $header_images;
-
-	$media_states = array();
-	$stylesheet   = get_option( 'stylesheet' );
-
-	if ( current_theme_supports( 'custom-header' ) ) {
-		$meta_header = get_post_meta( $post->ID, '_wp_attachment_is_custom_header', true );
-
-		if ( is_random_header_image() ) {
-			if ( ! isset( $header_images ) ) {
-				$header_images = wp_list_pluck( get_uploaded_header_images(), 'attachment_id' );
-			}
-
-			if ( $meta_header === $stylesheet && in_array( $post->ID, $header_images, true ) ) {
-				$media_states[] = __( 'Header Image' );
-			}
-		} else {
-			$header_image = get_header_image();
-
-			// Display "Header Image" if the image was ever used as a header image.
-			if ( ! empty( $meta_header ) && $meta_header === $stylesheet && wp_get_attachment_url( $post->ID ) !== $header_image ) {
-				$media_states[] = __( 'Header Image' );
-			}
-
-			// Display "Current Header Image" if the image is currently the header image.
-			if ( $header_image && wp_get_attachment_url( $post->ID ) === $header_image ) {
-				$media_states[] = __( 'Current Header Image' );
-			}
-		}
-
-		if ( get_theme_support( 'custom-header', 'video' ) && has_header_video() ) {
-			$mods = get_theme_mods();
-			if ( isset( $mods['header_video'] ) && $post->ID === $mods['header_video'] ) {
-				$media_states[] = __( 'Current Header Video' );
-			}
-		}
-	}
-
-	if ( current_theme_supports( 'custom-background' ) ) {
-		$meta_background = get_post_meta( $post->ID, '_wp_attachment_is_custom_background', true );
-
-		if ( ! empty( $meta_background ) && $meta_background === $stylesheet ) {
-			$media_states[] = __( 'Background Image' );
-
-			$background_image = get_background_image();
-			if ( $background_image && wp_get_attachment_url( $post->ID ) === $background_image ) {
-				$media_states[] = __( 'Current Background Image' );
-			}
-		}
-	}
-
-	if ( (int) get_option( 'site_icon' ) === $post->ID ) {
-		$media_states[] = __( 'Site Icon' );
-	}
-
-	if ( (int) get_theme_mod( 'custom_logo' ) === $post->ID ) {
-		$media_states[] = __( 'Logo' );
-	}
-
-	/**
-	 * Filters the default media display states for items in the Media list table.
-	 *
-	 * @since 3.2.0
-	 * @since 4.8.0 Added the `$post` parameter.
-	 *
-	 * @param string[] $media_states An array of media states. Default 'Header Image',
-	 *                               'Background Image', 'Site Icon', 'Logo'.
-	 * @param WP_Post  $post         The current attachment object.
-	 */
-	return apply_filters( 'display_media_states', $media_states, $post );
+    static $header_images;
+
+    $media_states = array();
+    $stylesheet   = get_option( 'stylesheet' );
+
+    if ( current_theme_supports( 'custom-header' ) ) {
+        $meta_header = get_post_meta( $post->ID, '_wp_attachment_is_custom_header', true );
+
+        if ( is_random_header_image() ) {
+            if ( ! isset( $header_images ) ) {
+                $header_images = wp_list_pluck( get_uploaded_header_images(), 'attachment_id' );
+            }
+
+            if ( $meta_header === $stylesheet && in_array( $post->ID, $header_images, true ) ) {
+                $media_states[] = __( 'Header Image' );
+            }
+        } else {
+            $header_image = get_header_image();
+
+            // Display "Header Image" if the image was ever used as a header image.
+            if ( ! empty( $meta_header ) && $meta_header === $stylesheet && wp_get_attachment_url( $post->ID ) !== $header_image ) {
+                $media_states[] = __( 'Header Image' );
+            }
+
+            // Display "Current Header Image" if the image is currently the header image.
+            if ( $header_image && wp_get_attachment_url( $post->ID ) === $header_image ) {
+                $media_states[] = __( 'Current Header Image' );
+            }
+        }
+
+        if ( get_theme_support( 'custom-header', 'video' ) && has_header_video() ) {
+            $mods = get_theme_mods();
+            if ( isset( $mods['header_video'] ) && $post->ID === $mods['header_video'] ) {
+                $media_states[] = __( 'Current Header Video' );
+            }
+        }
+    }
+
+    if ( current_theme_supports( 'custom-background' ) ) {
+        $meta_background = get_post_meta( $post->ID, '_wp_attachment_is_custom_background', true );
+
+        if ( ! empty( $meta_background ) && $meta_background === $stylesheet ) {
+            $media_states[] = __( 'Background Image' );
+
+            $background_image = get_background_image();
+            if ( $background_image && wp_get_attachment_url( $post->ID ) === $background_image ) {
+                $media_states[] = __( 'Current Background Image' );
+            }
+        }
+    }
+
+    if ( (int) get_option( 'site_icon' ) === $post->ID ) {
+        $media_states[] = __( 'Site Icon' );
+    }
+
+    if ( (int) get_theme_mod( 'custom_logo' ) === $post->ID ) {
+        $media_states[] = __( 'Logo' );
+    }
+
+    /**
+     * Filters the default media display states for items in the Media list table.
+     *
+     * @since 3.2.0
+     * @since 4.8.0 Added the `$post` parameter.
+     *
+     * @param string[] $media_states An array of media states. Default 'Header Image',
+     *                               'Background Image', 'Site Icon', 'Logo'.
+     * @param WP_Post  $post         The current attachment object.
+     */
+    return apply_filters( 'display_media_states', $media_states, $post );
 }
 
 /**
@@ -2379,7 +2379,7 @@ 
  * @since 2.8.0
  */
 function compression_test() {
-	?>
+    ?>
 	<script type="text/javascript">
 	var compressionNonce = <?php echo wp_json_encode( wp_create_nonce( 'update_can_compress_scripts' ) ); ?>;
 	var testCompression = {
@@ -2455,7 +2455,7 @@ 
  *                                       preferred. Default null.
  */
 function submit_button( $text = null, $type = 'primary', $name = 'submit', $wrap = true, $other_attributes = null ) {
-	echo get_submit_button( $text, $type, $name, $wrap, $other_attributes );
+    echo get_submit_button( $text, $type, $name, $wrap, $other_attributes );
 }
 
 /**
@@ -2480,81 +2480,81 @@ 
  * @return string Submit button HTML.
  */
 function get_submit_button( $text = '', $type = 'primary large', $name = 'submit', $wrap = true, $other_attributes = '' ) {
-	if ( ! is_array( $type ) ) {
-		$type = explode( ' ', $type );
-	}
-
-	$button_shorthand = array( 'primary', 'small', 'large' );
-	$classes          = array( 'button' );
-
-	foreach ( $type as $t ) {
-		if ( 'secondary' === $t || 'button-secondary' === $t ) {
-			continue;
-		}
-
-		$classes[] = in_array( $t, $button_shorthand, true ) ? 'button-' . $t : $t;
-	}
-
-	// Remove empty items, remove duplicate items, and finally build a string.
-	$class = implode( ' ', array_unique( array_filter( $classes ) ) );
-
-	$text = $text ? $text : __( 'Save Changes' );
-
-	// Default the id attribute to $name unless an id was specifically provided in $other_attributes.
-	$id = $name;
-	if ( is_array( $other_attributes ) && isset( $other_attributes['id'] ) ) {
-		$id = $other_attributes['id'];
-		unset( $other_attributes['id'] );
-	}
-
-	$attributes = '';
-	if ( is_array( $other_attributes ) ) {
-		foreach ( $other_attributes as $attribute => $value ) {
-			$attributes .= $attribute . '="' . esc_attr( $value ) . '" '; // Trailing space is important.
-		}
-	} elseif ( ! empty( $other_attributes ) ) { // Attributes provided as a string.
-		$attributes = $other_attributes;
-	}
-
-	// Don't output empty name and id attributes.
-	$name_attr = $name ? ' name="' . esc_attr( $name ) . '"' : '';
-	$id_attr   = $id ? ' id="' . esc_attr( $id ) . '"' : '';
-
-	$button  = '<input type="submit"' . $name_attr . $id_attr . ' class="' . esc_attr( $class );
-	$button .= '" value="' . esc_attr( $text ) . '" ' . $attributes . ' />';
-
-	if ( $wrap ) {
-		$button = '<p class="submit">' . $button . '</p>';
-	}
-
-	return $button;
+    if ( ! is_array( $type ) ) {
+        $type = explode( ' ', $type );
+    }
+
+    $button_shorthand = array( 'primary', 'small', 'large' );
+    $classes          = array( 'button' );
+
+    foreach ( $type as $t ) {
+        if ( 'secondary' === $t || 'button-secondary' === $t ) {
+            continue;
+        }
+
+        $classes[] = in_array( $t, $button_shorthand, true ) ? 'button-' . $t : $t;
+    }
+
+    // Remove empty items, remove duplicate items, and finally build a string.
+    $class = implode( ' ', array_unique( array_filter( $classes ) ) );
+
+    $text = $text ? $text : __( 'Save Changes' );
+
+    // Default the id attribute to $name unless an id was specifically provided in $other_attributes.
+    $id = $name;
+    if ( is_array( $other_attributes ) && isset( $other_attributes['id'] ) ) {
+        $id = $other_attributes['id'];
+        unset( $other_attributes['id'] );
+    }
+
+    $attributes = '';
+    if ( is_array( $other_attributes ) ) {
+        foreach ( $other_attributes as $attribute => $value ) {
+            $attributes .= $attribute . '="' . esc_attr( $value ) . '" '; // Trailing space is important.
+        }
+    } elseif ( ! empty( $other_attributes ) ) { // Attributes provided as a string.
+        $attributes = $other_attributes;
+    }
+
+    // Don't output empty name and id attributes.
+    $name_attr = $name ? ' name="' . esc_attr( $name ) . '"' : '';
+    $id_attr   = $id ? ' id="' . esc_attr( $id ) . '"' : '';
+
+    $button  = '<input type="submit"' . $name_attr . $id_attr . ' class="' . esc_attr( $class );
+    $button .= '" value="' . esc_attr( $text ) . '" ' . $attributes . ' />';
+
+    if ( $wrap ) {
+        $button = '<p class="submit">' . $button . '</p>';
+    }
+
+    return $button;
 }
 
 /**
  * @global bool $is_IE
  */
 function _wp_admin_html_begin() {
-	global $is_IE;
+    global $is_IE;
 
-	$admin_html_class = ( is_admin_bar_showing() ) ? 'wp-toolbar' : '';
+    $admin_html_class = ( is_admin_bar_showing() ) ? 'wp-toolbar' : '';
 
-	if ( $is_IE ) {
-		header( 'X-UA-Compatible: IE=edge' );
-	}
+    if ( $is_IE ) {
+        header( 'X-UA-Compatible: IE=edge' );
+    }
 
-	?>
+    ?>
 <!DOCTYPE html>
 <html class="<?php echo $admin_html_class; ?>"
 	<?php
-	/**
-	 * Fires inside the HTML tag in the admin header.
-	 *
-	 * @since 2.2.0
-	 */
-	do_action( 'admin_xml_ns' );
-
-	language_attributes();
-	?>
+    /**
+     * Fires inside the HTML tag in the admin header.
+     *
+     * @since 2.2.0
+     */
+    do_action( 'admin_xml_ns' );
+
+    language_attributes();
+    ?>
 >
 <head>
 <meta http-equiv="Content-Type" content="<?php bloginfo( 'html_type' ); ?>; charset=<?php echo get_option( 'blog_charset' ); ?>" />
@@ -2570,25 +2570,25 @@ 
  * @return WP_Screen Screen object.
  */
 function convert_to_screen( $hook_name ) {
-	if ( ! class_exists( 'WP_Screen' ) ) {
-		_doing_it_wrong(
-			'convert_to_screen(), add_meta_box()',
-			sprintf(
-				/* translators: 1: wp-admin/includes/template.php, 2: add_meta_box(), 3: add_meta_boxes */
-				__( 'Likely direct inclusion of %1$s in order to use %2$s. This is very wrong. Hook the %2$s call into the %3$s action instead.' ),
-				'<code>wp-admin/includes/template.php</code>',
-				'<code>add_meta_box()</code>',
-				'<code>add_meta_boxes</code>'
-			),
-			'3.3.0'
-		);
-		return (object) array(
-			'id'   => '_invalid',
-			'base' => '_are_belong_to_us',
-		);
-	}
-
-	return WP_Screen::get( $hook_name );
+    if ( ! class_exists( 'WP_Screen' ) ) {
+        _doing_it_wrong(
+            'convert_to_screen(), add_meta_box()',
+            sprintf(
+                /* translators: 1: wp-admin/includes/template.php, 2: add_meta_box(), 3: add_meta_boxes */
+                __( 'Likely direct inclusion of %1$s in order to use %2$s. This is very wrong. Hook the %2$s call into the %3$s action instead.' ),
+                '<code>wp-admin/includes/template.php</code>',
+                '<code>add_meta_box()</code>',
+                '<code>add_meta_boxes</code>'
+            ),
+            '3.3.0'
+        );
+        return (object) array(
+            'id'   => '_invalid',
+            'base' => '_are_belong_to_us',
+        );
+    }
+
+    return WP_Screen::get( $hook_name );
 }
 
 /**
@@ -2598,7 +2598,7 @@ 
  * @access private
  */
 function _local_storage_notice() {
-	?>
+    ?>
 	<div id="local-storage-notice" class="hidden notice is-dismissible">
 	<p class="local-restore">
 		<?php _e( 'The backup of this post in your browser is different from the version below.' ); ?>
@@ -2635,48 +2635,48 @@ 
  * @return string Star rating HTML.
  */
 function wp_star_rating( $args = array() ) {
-	$defaults    = array(
-		'rating' => 0,
-		'type'   => 'rating',
-		'number' => 0,
-		'echo'   => true,
-	);
-	$parsed_args = wp_parse_args( $args, $defaults );
-
-	// Non-English decimal places when the $rating is coming from a string.
-	$rating = (float) str_replace( ',', '.', $parsed_args['rating'] );
-
-	// Convert percentage to star rating, 0..5 in .5 increments.
-	if ( 'percent' === $parsed_args['type'] ) {
-		$rating = round( $rating / 10, 0 ) / 2;
-	}
-
-	// Calculate the number of each type of star needed.
-	$full_stars  = floor( $rating );
-	$half_stars  = ceil( $rating - $full_stars );
-	$empty_stars = 5 - $full_stars - $half_stars;
-
-	if ( $parsed_args['number'] ) {
-		/* translators: 1: The rating, 2: The number of ratings. */
-		$format = _n( '%1$s rating based on %2$s rating', '%1$s rating based on %2$s ratings', $parsed_args['number'] );
-		$title  = sprintf( $format, number_format_i18n( $rating, 1 ), number_format_i18n( $parsed_args['number'] ) );
-	} else {
-		/* translators: %s: The rating. */
-		$title = sprintf( __( '%s rating' ), number_format_i18n( $rating, 1 ) );
-	}
-
-	$output  = '<div class="star-rating">';
-	$output .= '<span class="screen-reader-text">' . $title . '</span>';
-	$output .= str_repeat( '<div class="star star-full" aria-hidden="true"></div>', $full_stars );
-	$output .= str_repeat( '<div class="star star-half" aria-hidden="true"></div>', $half_stars );
-	$output .= str_repeat( '<div class="star star-empty" aria-hidden="true"></div>', $empty_stars );
-	$output .= '</div>';
-
-	if ( $parsed_args['echo'] ) {
-		echo $output;
-	}
-
-	return $output;
+    $defaults    = array(
+        'rating' => 0,
+        'type'   => 'rating',
+        'number' => 0,
+        'echo'   => true,
+    );
+    $parsed_args = wp_parse_args( $args, $defaults );
+
+    // Non-English decimal places when the $rating is coming from a string.
+    $rating = (float) str_replace( ',', '.', $parsed_args['rating'] );
+
+    // Convert percentage to star rating, 0..5 in .5 increments.
+    if ( 'percent' === $parsed_args['type'] ) {
+        $rating = round( $rating / 10, 0 ) / 2;
+    }
+
+    // Calculate the number of each type of star needed.
+    $full_stars  = floor( $rating );
+    $half_stars  = ceil( $rating - $full_stars );
+    $empty_stars = 5 - $full_stars - $half_stars;
+
+    if ( $parsed_args['number'] ) {
+        /* translators: 1: The rating, 2: The number of ratings. */
+        $format = _n( '%1$s rating based on %2$s rating', '%1$s rating based on %2$s ratings', $parsed_args['number'] );
+        $title  = sprintf( $format, number_format_i18n( $rating, 1 ), number_format_i18n( $parsed_args['number'] ) );
+    } else {
+        /* translators: %s: The rating. */
+        $title = sprintf( __( '%s rating' ), number_format_i18n( $rating, 1 ) );
+    }
+
+    $output  = '<div class="star-rating">';
+    $output .= '<span class="screen-reader-text">' . $title . '</span>';
+    $output .= str_repeat( '<div class="star star-full" aria-hidden="true"></div>', $full_stars );
+    $output .= str_repeat( '<div class="star star-half" aria-hidden="true"></div>', $half_stars );
+    $output .= str_repeat( '<div class="star star-empty" aria-hidden="true"></div>', $empty_stars );
+    $output .= '</div>';
+
+    if ( $parsed_args['echo'] ) {
+        echo $output;
+    }
+
+    return $output;
 }
 
 /**
@@ -2686,10 +2686,10 @@ 
  * @since 4.2.0
  */
 function _wp_posts_page_notice() {
-	printf(
-		'<div class="notice notice-warning inline"><p>%s</p></div>',
-		__( 'You are currently editing the page that shows your latest posts.' )
-	);
+    printf(
+        '<div class="notice notice-warning inline"><p>%s</p></div>',
+        __( 'You are currently editing the page that shows your latest posts.' )
+    );
 }
 
 /**
@@ -2699,12 +2699,12 @@ 
  * @since 5.8.0
  */
 function _wp_block_editor_posts_page_notice() {
-	wp_add_inline_script(
-		'wp-notices',
-		sprintf(
-			'wp.data.dispatch( "core/notices" ).createWarningNotice( "%s", { isDismissible: false } )',
-			__( 'You are currently editing the page that shows your latest posts.' )
-		),
-		'after'
-	);
+    wp_add_inline_script(
+        'wp-notices',
+        sprintf(
+            'wp.data.dispatch( "core/notices" ).createWarningNotice( "%s", { isDismissible: false } )',
+            __( 'You are currently editing the page that shows your latest posts.' )
+        ),
+        'after'
+    );
 }

brighty/wp-admin/includes/plugin.php

Indentation +1466 added lines, -1466 removed lines

@@ -71,50 +71,50 @@ 
  */
 function get_plugin_data( $plugin_file, $markup = true, $translate = true ) {
 
-	$default_headers = array(
-		'Name'        => 'Plugin Name',
-		'PluginURI'   => 'Plugin URI',
-		'Version'     => 'Version',
-		'Description' => 'Description',
-		'Author'      => 'Author',
-		'AuthorURI'   => 'Author URI',
-		'TextDomain'  => 'Text Domain',
-		'DomainPath'  => 'Domain Path',
-		'Network'     => 'Network',
-		'RequiresWP'  => 'Requires at least',
-		'RequiresPHP' => 'Requires PHP',
-		'UpdateURI'   => 'Update URI',
-		// Site Wide Only is deprecated in favor of Network.
-		'_sitewide'   => 'Site Wide Only',
-	);
-
-	$plugin_data = get_file_data( $plugin_file, $default_headers, 'plugin' );
-
-	// Site Wide Only is the old header for Network.
-	if ( ! $plugin_data['Network'] && $plugin_data['_sitewide'] ) {
-		/* translators: 1: Site Wide Only: true, 2: Network: true */
-		_deprecated_argument( __FUNCTION__, '3.0.0', sprintf( __( 'The %1$s plugin header is deprecated. Use %2$s instead.' ), '<code>Site Wide Only: true</code>', '<code>Network: true</code>' ) );
-		$plugin_data['Network'] = $plugin_data['_sitewide'];
-	}
-	$plugin_data['Network'] = ( 'true' === strtolower( $plugin_data['Network'] ) );
-	unset( $plugin_data['_sitewide'] );
-
-	// If no text domain is defined fall back to the plugin slug.
-	if ( ! $plugin_data['TextDomain'] ) {
-		$plugin_slug = dirname( plugin_basename( $plugin_file ) );
-		if ( '.' !== $plugin_slug && false === strpos( $plugin_slug, '/' ) ) {
-			$plugin_data['TextDomain'] = $plugin_slug;
-		}
-	}
-
-	if ( $markup || $translate ) {
-		$plugin_data = _get_plugin_data_markup_translate( $plugin_file, $plugin_data, $markup, $translate );
-	} else {
-		$plugin_data['Title']      = $plugin_data['Name'];
-		$plugin_data['AuthorName'] = $plugin_data['Author'];
-	}
-
-	return $plugin_data;
+    $default_headers = array(
+        'Name'        => 'Plugin Name',
+        'PluginURI'   => 'Plugin URI',
+        'Version'     => 'Version',
+        'Description' => 'Description',
+        'Author'      => 'Author',
+        'AuthorURI'   => 'Author URI',
+        'TextDomain'  => 'Text Domain',
+        'DomainPath'  => 'Domain Path',
+        'Network'     => 'Network',
+        'RequiresWP'  => 'Requires at least',
+        'RequiresPHP' => 'Requires PHP',
+        'UpdateURI'   => 'Update URI',
+        // Site Wide Only is deprecated in favor of Network.
+        '_sitewide'   => 'Site Wide Only',
+    );
+
+    $plugin_data = get_file_data( $plugin_file, $default_headers, 'plugin' );
+
+    // Site Wide Only is the old header for Network.
+    if ( ! $plugin_data['Network'] && $plugin_data['_sitewide'] ) {
+        /* translators: 1: Site Wide Only: true, 2: Network: true */
+        _deprecated_argument( __FUNCTION__, '3.0.0', sprintf( __( 'The %1$s plugin header is deprecated. Use %2$s instead.' ), '<code>Site Wide Only: true</code>', '<code>Network: true</code>' ) );
+        $plugin_data['Network'] = $plugin_data['_sitewide'];
+    }
+    $plugin_data['Network'] = ( 'true' === strtolower( $plugin_data['Network'] ) );
+    unset( $plugin_data['_sitewide'] );
+
+    // If no text domain is defined fall back to the plugin slug.
+    if ( ! $plugin_data['TextDomain'] ) {
+        $plugin_slug = dirname( plugin_basename( $plugin_file ) );
+        if ( '.' !== $plugin_slug && false === strpos( $plugin_slug, '/' ) ) {
+            $plugin_data['TextDomain'] = $plugin_slug;
+        }
+    }
+
+    if ( $markup || $translate ) {
+        $plugin_data = _get_plugin_data_markup_translate( $plugin_file, $plugin_data, $markup, $translate );
+    } else {
+        $plugin_data['Title']      = $plugin_data['Name'];
+        $plugin_data['AuthorName'] = $plugin_data['Author'];
+    }
+
+    return $plugin_data;
 }
 
 /**
@@ -136,84 +136,84 @@ 
  */
 function _get_plugin_data_markup_translate( $plugin_file, $plugin_data, $markup = true, $translate = true ) {
 
-	// Sanitize the plugin filename to a WP_PLUGIN_DIR relative path.
-	$plugin_file = plugin_basename( $plugin_file );
-
-	// Translate fields.
-	if ( $translate ) {
-		$textdomain = $plugin_data['TextDomain'];
-		if ( $textdomain ) {
-			if ( ! is_textdomain_loaded( $textdomain ) ) {
-				if ( $plugin_data['DomainPath'] ) {
-					load_plugin_textdomain( $textdomain, false, dirname( $plugin_file ) . $plugin_data['DomainPath'] );
-				} else {
-					load_plugin_textdomain( $textdomain, false, dirname( $plugin_file ) );
-				}
-			}
-		} elseif ( 'hello.php' === basename( $plugin_file ) ) {
-			$textdomain = 'default';
-		}
-		if ( $textdomain ) {
-			foreach ( array( 'Name', 'PluginURI', 'Description', 'Author', 'AuthorURI', 'Version' ) as $field ) {
-				if ( ! empty( $plugin_data[ $field ] ) ) {
-					// phpcs:ignore WordPress.WP.I18n.LowLevelTranslationFunction,WordPress.WP.I18n.NonSingularStringLiteralText,WordPress.WP.I18n.NonSingularStringLiteralDomain
-					$plugin_data[ $field ] = translate( $plugin_data[ $field ], $textdomain );
-				}
-			}
-		}
-	}
-
-	// Sanitize fields.
-	$allowed_tags_in_links = array(
-		'abbr'    => array( 'title' => true ),
-		'acronym' => array( 'title' => true ),
-		'code'    => true,
-		'em'      => true,
-		'strong'  => true,
-	);
-
-	$allowed_tags      = $allowed_tags_in_links;
-	$allowed_tags['a'] = array(
-		'href'  => true,
-		'title' => true,
-	);
-
-	// Name is marked up inside <a> tags. Don't allow these.
-	// Author is too, but some plugins have used <a> here (omitting Author URI).
-	$plugin_data['Name']   = wp_kses( $plugin_data['Name'], $allowed_tags_in_links );
-	$plugin_data['Author'] = wp_kses( $plugin_data['Author'], $allowed_tags );
-
-	$plugin_data['Description'] = wp_kses( $plugin_data['Description'], $allowed_tags );
-	$plugin_data['Version']     = wp_kses( $plugin_data['Version'], $allowed_tags );
-
-	$plugin_data['PluginURI'] = esc_url( $plugin_data['PluginURI'] );
-	$plugin_data['AuthorURI'] = esc_url( $plugin_data['AuthorURI'] );
-
-	$plugin_data['Title']      = $plugin_data['Name'];
-	$plugin_data['AuthorName'] = $plugin_data['Author'];
-
-	// Apply markup.
-	if ( $markup ) {
-		if ( $plugin_data['PluginURI'] && $plugin_data['Name'] ) {
-			$plugin_data['Title'] = '<a href="' . $plugin_data['PluginURI'] . '">' . $plugin_data['Name'] . '</a>';
-		}
-
-		if ( $plugin_data['AuthorURI'] && $plugin_data['Author'] ) {
-			$plugin_data['Author'] = '<a href="' . $plugin_data['AuthorURI'] . '">' . $plugin_data['Author'] . '</a>';
-		}
-
-		$plugin_data['Description'] = wptexturize( $plugin_data['Description'] );
-
-		if ( $plugin_data['Author'] ) {
-			$plugin_data['Description'] .= sprintf(
-				/* translators: %s: Plugin author. */
-				' <cite>' . __( 'By %s.' ) . '</cite>',
-				$plugin_data['Author']
-			);
-		}
-	}
-
-	return $plugin_data;
+    // Sanitize the plugin filename to a WP_PLUGIN_DIR relative path.
+    $plugin_file = plugin_basename( $plugin_file );
+
+    // Translate fields.
+    if ( $translate ) {
+        $textdomain = $plugin_data['TextDomain'];
+        if ( $textdomain ) {
+            if ( ! is_textdomain_loaded( $textdomain ) ) {
+                if ( $plugin_data['DomainPath'] ) {
+                    load_plugin_textdomain( $textdomain, false, dirname( $plugin_file ) . $plugin_data['DomainPath'] );
+                } else {
+                    load_plugin_textdomain( $textdomain, false, dirname( $plugin_file ) );
+                }
+            }
+        } elseif ( 'hello.php' === basename( $plugin_file ) ) {
+            $textdomain = 'default';
+        }
+        if ( $textdomain ) {
+            foreach ( array( 'Name', 'PluginURI', 'Description', 'Author', 'AuthorURI', 'Version' ) as $field ) {
+                if ( ! empty( $plugin_data[ $field ] ) ) {
+                    // phpcs:ignore WordPress.WP.I18n.LowLevelTranslationFunction,WordPress.WP.I18n.NonSingularStringLiteralText,WordPress.WP.I18n.NonSingularStringLiteralDomain
+                    $plugin_data[ $field ] = translate( $plugin_data[ $field ], $textdomain );
+                }
+            }
+        }
+    }
+
+    // Sanitize fields.
+    $allowed_tags_in_links = array(
+        'abbr'    => array( 'title' => true ),
+        'acronym' => array( 'title' => true ),
+        'code'    => true,
+        'em'      => true,
+        'strong'  => true,
+    );
+
+    $allowed_tags      = $allowed_tags_in_links;
+    $allowed_tags['a'] = array(
+        'href'  => true,
+        'title' => true,
+    );
+
+    // Name is marked up inside <a> tags. Don't allow these.
+    // Author is too, but some plugins have used <a> here (omitting Author URI).
+    $plugin_data['Name']   = wp_kses( $plugin_data['Name'], $allowed_tags_in_links );
+    $plugin_data['Author'] = wp_kses( $plugin_data['Author'], $allowed_tags );
+
+    $plugin_data['Description'] = wp_kses( $plugin_data['Description'], $allowed_tags );
+    $plugin_data['Version']     = wp_kses( $plugin_data['Version'], $allowed_tags );
+
+    $plugin_data['PluginURI'] = esc_url( $plugin_data['PluginURI'] );
+    $plugin_data['AuthorURI'] = esc_url( $plugin_data['AuthorURI'] );
+
+    $plugin_data['Title']      = $plugin_data['Name'];
+    $plugin_data['AuthorName'] = $plugin_data['Author'];
+
+    // Apply markup.
+    if ( $markup ) {
+        if ( $plugin_data['PluginURI'] && $plugin_data['Name'] ) {
+            $plugin_data['Title'] = '<a href="' . $plugin_data['PluginURI'] . '">' . $plugin_data['Name'] . '</a>';
+        }
+
+        if ( $plugin_data['AuthorURI'] && $plugin_data['Author'] ) {
+            $plugin_data['Author'] = '<a href="' . $plugin_data['AuthorURI'] . '">' . $plugin_data['Author'] . '</a>';
+        }
+
+        $plugin_data['Description'] = wptexturize( $plugin_data['Description'] );
+
+        if ( $plugin_data['Author'] ) {
+            $plugin_data['Description'] .= sprintf(
+                /* translators: %s: Plugin author. */
+                ' <cite>' . __( 'By %s.' ) . '</cite>',
+                $plugin_data['Author']
+            );
+        }
+    }
+
+    return $plugin_data;
 }
 
 /**
@@ -225,30 +225,30 @@ 
  * @return string[] Array of file names relative to the plugin root.
  */
 function get_plugin_files( $plugin ) {
-	$plugin_file = WP_PLUGIN_DIR . '/' . $plugin;
-	$dir         = dirname( $plugin_file );
+    $plugin_file = WP_PLUGIN_DIR . '/' . $plugin;
+    $dir         = dirname( $plugin_file );
 
-	$plugin_files = array( plugin_basename( $plugin_file ) );
+    $plugin_files = array( plugin_basename( $plugin_file ) );
 
-	if ( is_dir( $dir ) && WP_PLUGIN_DIR !== $dir ) {
+    if ( is_dir( $dir ) && WP_PLUGIN_DIR !== $dir ) {
 
-		/**
-		 * Filters the array of excluded directories and files while scanning the folder.
-		 *
-		 * @since 4.9.0
-		 *
-		 * @param string[] $exclusions Array of excluded directories and files.
-		 */
-		$exclusions = (array) apply_filters( 'plugin_files_exclusions', array( 'CVS', 'node_modules', 'vendor', 'bower_components' ) );
+        /**
+         * Filters the array of excluded directories and files while scanning the folder.
+         *
+         * @since 4.9.0
+         *
+         * @param string[] $exclusions Array of excluded directories and files.
+         */
+        $exclusions = (array) apply_filters( 'plugin_files_exclusions', array( 'CVS', 'node_modules', 'vendor', 'bower_components' ) );
 
-		$list_files = list_files( $dir, 100, $exclusions );
-		$list_files = array_map( 'plugin_basename', $list_files );
+        $list_files = list_files( $dir, 100, $exclusions );
+        $list_files = array_map( 'plugin_basename', $list_files );
 
-		$plugin_files = array_merge( $plugin_files, $list_files );
-		$plugin_files = array_values( array_unique( $plugin_files ) );
-	}
+        $plugin_files = array_merge( $plugin_files, $list_files );
+        $plugin_files = array_values( array_unique( $plugin_files ) );
+    }
 
-	return $plugin_files;
+    return $plugin_files;
 }
 
 /**
@@ -273,82 +273,82 @@ 
  */
 function get_plugins( $plugin_folder = '' ) {
 
-	$cache_plugins = wp_cache_get( 'plugins', 'plugins' );
-	if ( ! $cache_plugins ) {
-		$cache_plugins = array();
-	}
-
-	if ( isset( $cache_plugins[ $plugin_folder ] ) ) {
-		return $cache_plugins[ $plugin_folder ];
-	}
-
-	$wp_plugins  = array();
-	$plugin_root = WP_PLUGIN_DIR;
-	if ( ! empty( $plugin_folder ) ) {
-		$plugin_root .= $plugin_folder;
-	}
-
-	// Files in wp-content/plugins directory.
-	$plugins_dir  = @opendir( $plugin_root );
-	$plugin_files = array();
-
-	if ( $plugins_dir ) {
-		while ( ( $file = readdir( $plugins_dir ) ) !== false ) {
-			if ( '.' === substr( $file, 0, 1 ) ) {
-				continue;
-			}
-
-			if ( is_dir( $plugin_root . '/' . $file ) ) {
-				$plugins_subdir = @opendir( $plugin_root . '/' . $file );
-
-				if ( $plugins_subdir ) {
-					while ( ( $subfile = readdir( $plugins_subdir ) ) !== false ) {
-						if ( '.' === substr( $subfile, 0, 1 ) ) {
-							continue;
-						}
-
-						if ( '.php' === substr( $subfile, -4 ) ) {
-							$plugin_files[] = "$file/$subfile";
-						}
-					}
-
-					closedir( $plugins_subdir );
-				}
-			} else {
-				if ( '.php' === substr( $file, -4 ) ) {
-					$plugin_files[] = $file;
-				}
-			}
-		}
-
-		closedir( $plugins_dir );
-	}
-
-	if ( empty( $plugin_files ) ) {
-		return $wp_plugins;
-	}
-
-	foreach ( $plugin_files as $plugin_file ) {
-		if ( ! is_readable( "$plugin_root/$plugin_file" ) ) {
-			continue;
-		}
-
-		// Do not apply markup/translate as it will be cached.
-		$plugin_data = get_plugin_data( "$plugin_root/$plugin_file", false, false );
-
-		if ( empty( $plugin_data['Name'] ) ) {
-			continue;
-		}
-
-		$wp_plugins[ plugin_basename( $plugin_file ) ] = $plugin_data;
-	}
-
-	uasort( $wp_plugins, '_sort_uname_callback' );
-
-	$cache_plugins[ $plugin_folder ] = $wp_plugins;
-	wp_cache_set( 'plugins', $cache_plugins, 'plugins' );
-
-	return $wp_plugins;
+    $cache_plugins = wp_cache_get( 'plugins', 'plugins' );
+    if ( ! $cache_plugins ) {
+        $cache_plugins = array();
+    }
+
+    if ( isset( $cache_plugins[ $plugin_folder ] ) ) {
+        return $cache_plugins[ $plugin_folder ];
+    }
+
+    $wp_plugins  = array();
+    $plugin_root = WP_PLUGIN_DIR;
+    if ( ! empty( $plugin_folder ) ) {
+        $plugin_root .= $plugin_folder;
+    }
+
+    // Files in wp-content/plugins directory.
+    $plugins_dir  = @opendir( $plugin_root );
+    $plugin_files = array();
+
+    if ( $plugins_dir ) {
+        while ( ( $file = readdir( $plugins_dir ) ) !== false ) {
+            if ( '.' === substr( $file, 0, 1 ) ) {
+                continue;
+            }
+
+            if ( is_dir( $plugin_root . '/' . $file ) ) {
+                $plugins_subdir = @opendir( $plugin_root . '/' . $file );
+
+                if ( $plugins_subdir ) {
+                    while ( ( $subfile = readdir( $plugins_subdir ) ) !== false ) {
+                        if ( '.' === substr( $subfile, 0, 1 ) ) {
+                            continue;
+                        }
+
+                        if ( '.php' === substr( $subfile, -4 ) ) {
+                            $plugin_files[] = "$file/$subfile";
+                        }
+                    }
+
+                    closedir( $plugins_subdir );
+                }
+            } else {
+                if ( '.php' === substr( $file, -4 ) ) {
+                    $plugin_files[] = $file;
+                }
+            }
+        }
+
+        closedir( $plugins_dir );
+    }
+
+    if ( empty( $plugin_files ) ) {
+        return $wp_plugins;
+    }
+
+    foreach ( $plugin_files as $plugin_file ) {
+        if ( ! is_readable( "$plugin_root/$plugin_file" ) ) {
+            continue;
+        }
+
+        // Do not apply markup/translate as it will be cached.
+        $plugin_data = get_plugin_data( "$plugin_root/$plugin_file", false, false );
+
+        if ( empty( $plugin_data['Name'] ) ) {
+            continue;
+        }
+
+        $wp_plugins[ plugin_basename( $plugin_file ) ] = $plugin_data;
+    }
+
+    uasort( $wp_plugins, '_sort_uname_callback' );
+
+    $cache_plugins[ $plugin_folder ] = $wp_plugins;
+    wp_cache_set( 'plugins', $cache_plugins, 'plugins' );
+
+    return $wp_plugins;
 }
 
 /**
@@ -360,54 +360,54 @@ 
  * @return array[] Array of arrays of mu-plugin data, keyed by plugin file name. See `get_plugin_data()`.
  */
 function get_mu_plugins() {
-	$wp_plugins   = array();
-	$plugin_files = array();
-
-	if ( ! is_dir( WPMU_PLUGIN_DIR ) ) {
-		return $wp_plugins;
-	}
-
-	// Files in wp-content/mu-plugins directory.
-	$plugins_dir = @opendir( WPMU_PLUGIN_DIR );
-	if ( $plugins_dir ) {
-		while ( ( $file = readdir( $plugins_dir ) ) !== false ) {
-			if ( '.php' === substr( $file, -4 ) ) {
-				$plugin_files[] = $file;
-			}
-		}
-	} else {
-		return $wp_plugins;
-	}
-
-	closedir( $plugins_dir );
-
-	if ( empty( $plugin_files ) ) {
-		return $wp_plugins;
-	}
-
-	foreach ( $plugin_files as $plugin_file ) {
-		if ( ! is_readable( WPMU_PLUGIN_DIR . "/$plugin_file" ) ) {
-			continue;
-		}
-
-		// Do not apply markup/translate as it will be cached.
-		$plugin_data = get_plugin_data( WPMU_PLUGIN_DIR . "/$plugin_file", false, false );
-
-		if ( empty( $plugin_data['Name'] ) ) {
-			$plugin_data['Name'] = $plugin_file;
-		}
-
-		$wp_plugins[ $plugin_file ] = $plugin_data;
-	}
-
-	if ( isset( $wp_plugins['index.php'] ) && filesize( WPMU_PLUGIN_DIR . '/index.php' ) <= 30 ) {
-		// Silence is golden.
-		unset( $wp_plugins['index.php'] );
-	}
-
-	uasort( $wp_plugins, '_sort_uname_callback' );
-
-	return $wp_plugins;
+    $wp_plugins   = array();
+    $plugin_files = array();
+
+    if ( ! is_dir( WPMU_PLUGIN_DIR ) ) {
+        return $wp_plugins;
+    }
+
+    // Files in wp-content/mu-plugins directory.
+    $plugins_dir = @opendir( WPMU_PLUGIN_DIR );
+    if ( $plugins_dir ) {
+        while ( ( $file = readdir( $plugins_dir ) ) !== false ) {
+            if ( '.php' === substr( $file, -4 ) ) {
+                $plugin_files[] = $file;
+            }
+        }
+    } else {
+        return $wp_plugins;
+    }
+
+    closedir( $plugins_dir );
+
+    if ( empty( $plugin_files ) ) {
+        return $wp_plugins;
+    }
+
+    foreach ( $plugin_files as $plugin_file ) {
+        if ( ! is_readable( WPMU_PLUGIN_DIR . "/$plugin_file" ) ) {
+            continue;
+        }
+
+        // Do not apply markup/translate as it will be cached.
+        $plugin_data = get_plugin_data( WPMU_PLUGIN_DIR . "/$plugin_file", false, false );
+
+        if ( empty( $plugin_data['Name'] ) ) {
+            $plugin_data['Name'] = $plugin_file;
+        }
+
+        $wp_plugins[ $plugin_file ] = $plugin_data;
+    }
+
+    if ( isset( $wp_plugins['index.php'] ) && filesize( WPMU_PLUGIN_DIR . '/index.php' ) <= 30 ) {
+        // Silence is golden.
+        unset( $wp_plugins['index.php'] );
+    }
+
+    uasort( $wp_plugins, '_sort_uname_callback' );
+
+    return $wp_plugins;
 }
 
 /**
@@ -422,7 +422,7 @@ 
  * @return int Return 0 or 1 based on two string comparison.
  */
 function _sort_uname_callback( $a, $b ) {
-	return strnatcasecmp( $a['Name'], $b['Name'] );
+    return strnatcasecmp( $a['Name'], $b['Name'] );
 }
 
 /**
@@ -432,47 +432,47 @@ 
  * @return array[] Array of arrays of dropin plugin data, keyed by plugin file name. See `get_plugin_data()`.
  */
 function get_dropins() {
-	$dropins      = array();
-	$plugin_files = array();
+    $dropins      = array();
+    $plugin_files = array();
 
-	$_dropins = _get_dropins();
+    $_dropins = _get_dropins();
 
-	// Files in wp-content directory.
-	$plugins_dir = @opendir( WP_CONTENT_DIR );
-	if ( $plugins_dir ) {
-		while ( ( $file = readdir( $plugins_dir ) ) !== false ) {
-			if ( isset( $_dropins[ $file ] ) ) {
-				$plugin_files[] = $file;
-			}
-		}
-	} else {
-		return $dropins;
-	}
+    // Files in wp-content directory.
+    $plugins_dir = @opendir( WP_CONTENT_DIR );
+    if ( $plugins_dir ) {
+        while ( ( $file = readdir( $plugins_dir ) ) !== false ) {
+            if ( isset( $_dropins[ $file ] ) ) {
+                $plugin_files[] = $file;
+            }
+        }
+    } else {
+        return $dropins;
+    }
 
-	closedir( $plugins_dir );
+    closedir( $plugins_dir );
 
-	if ( empty( $plugin_files ) ) {
-		return $dropins;
-	}
+    if ( empty( $plugin_files ) ) {
+        return $dropins;
+    }
 
-	foreach ( $plugin_files as $plugin_file ) {
-		if ( ! is_readable( WP_CONTENT_DIR . "/$plugin_file" ) ) {
-			continue;
-		}
+    foreach ( $plugin_files as $plugin_file ) {
+        if ( ! is_readable( WP_CONTENT_DIR . "/$plugin_file" ) ) {
+            continue;
+        }
 
-		// Do not apply markup/translate as it will be cached.
-		$plugin_data = get_plugin_data( WP_CONTENT_DIR . "/$plugin_file", false, false );
+        // Do not apply markup/translate as it will be cached.
+        $plugin_data = get_plugin_data( WP_CONTENT_DIR . "/$plugin_file", false, false );
 
-		if ( empty( $plugin_data['Name'] ) ) {
-			$plugin_data['Name'] = $plugin_file;
-		}
+        if ( empty( $plugin_data['Name'] ) ) {
+            $plugin_data['Name'] = $plugin_file;
+        }
 
-		$dropins[ $plugin_file ] = $plugin_data;
-	}
+        $dropins[ $plugin_file ] = $plugin_data;
+    }
 
-	uksort( $dropins, 'strnatcasecmp' );
+    uksort( $dropins, 'strnatcasecmp' );
 
-	return $dropins;
+    return $dropins;
 }
 
 /**
@@ -486,25 +486,25 @@ 
  *  true for the drop-in to be used, or true if no constant is required.
  */
 function _get_dropins() {
-	$dropins = array(
-		'advanced-cache.php'      => array( __( 'Advanced caching plugin.' ), 'WP_CACHE' ),  // WP_CACHE
-		'db.php'                  => array( __( 'Custom database class.' ), true ),          // Auto on load.
-		'db-error.php'            => array( __( 'Custom database error message.' ), true ),  // Auto on error.
-		'install.php'             => array( __( 'Custom installation script.' ), true ),     // Auto on installation.
-		'maintenance.php'         => array( __( 'Custom maintenance message.' ), true ),     // Auto on maintenance.
-		'object-cache.php'        => array( __( 'External object cache.' ), true ),          // Auto on load.
-		'php-error.php'           => array( __( 'Custom PHP error message.' ), true ),       // Auto on error.
-		'fatal-error-handler.php' => array( __( 'Custom PHP fatal error handler.' ), true ), // Auto on error.
-	);
-
-	if ( is_multisite() ) {
-		$dropins['sunrise.php']        = array( __( 'Executed before Multisite is loaded.' ), 'SUNRISE' ); // SUNRISE
-		$dropins['blog-deleted.php']   = array( __( 'Custom site deleted message.' ), true );   // Auto on deleted blog.
-		$dropins['blog-inactive.php']  = array( __( 'Custom site inactive message.' ), true );  // Auto on inactive blog.
-		$dropins['blog-suspended.php'] = array( __( 'Custom site suspended message.' ), true ); // Auto on archived or spammed blog.
-	}
-
-	return $dropins;
+    $dropins = array(
+        'advanced-cache.php'      => array( __( 'Advanced caching plugin.' ), 'WP_CACHE' ),  // WP_CACHE
+        'db.php'                  => array( __( 'Custom database class.' ), true ),          // Auto on load.
+        'db-error.php'            => array( __( 'Custom database error message.' ), true ),  // Auto on error.
+        'install.php'             => array( __( 'Custom installation script.' ), true ),     // Auto on installation.
+        'maintenance.php'         => array( __( 'Custom maintenance message.' ), true ),     // Auto on maintenance.
+        'object-cache.php'        => array( __( 'External object cache.' ), true ),          // Auto on load.
+        'php-error.php'           => array( __( 'Custom PHP error message.' ), true ),       // Auto on error.
+        'fatal-error-handler.php' => array( __( 'Custom PHP fatal error handler.' ), true ), // Auto on error.
+    );
+
+    if ( is_multisite() ) {
+        $dropins['sunrise.php']        = array( __( 'Executed before Multisite is loaded.' ), 'SUNRISE' ); // SUNRISE
+        $dropins['blog-deleted.php']   = array( __( 'Custom site deleted message.' ), true );   // Auto on deleted blog.
+        $dropins['blog-inactive.php']  = array( __( 'Custom site inactive message.' ), true );  // Auto on inactive blog.
+        $dropins['blog-suspended.php'] = array( __( 'Custom site suspended message.' ), true ); // Auto on archived or spammed blog.
+    }
+
+    return $dropins;
 }
 
 /**
@@ -525,7 +525,7 @@ 
  * @return bool True, if in the active plugins list. False, not in the list.
  */
 function is_plugin_active( $plugin ) {
-	return in_array( $plugin, (array) get_option( 'active_plugins', array() ), true ) || is_plugin_active_for_network( $plugin );
+    return in_array( $plugin, (array) get_option( 'active_plugins', array() ), true ) || is_plugin_active_for_network( $plugin );
 }
 
 /**
@@ -545,7 +545,7 @@ 
  * @return bool True if inactive. False if active.
  */
 function is_plugin_inactive( $plugin ) {
-	return ! is_plugin_active( $plugin );
+    return ! is_plugin_active( $plugin );
 }
 
 /**
@@ -566,16 +566,16 @@ 
  * @return bool True if active for the network, otherwise false.
  */
 function is_plugin_active_for_network( $plugin ) {
-	if ( ! is_multisite() ) {
-		return false;
-	}
+    if ( ! is_multisite() ) {
+        return false;
+    }
 
-	$plugins = get_site_option( 'active_sitewide_plugins' );
-	if ( isset( $plugins[ $plugin ] ) ) {
-		return true;
-	}
+    $plugins = get_site_option( 'active_sitewide_plugins' );
+    if ( isset( $plugins[ $plugin ] ) ) {
+        return true;
+    }
 
-	return false;
+    return false;
 }
 
 /**
@@ -591,11 +591,11 @@ 
  * @return bool True if plugin is network only, false otherwise.
  */
 function is_network_only_plugin( $plugin ) {
-	$plugin_data = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin );
-	if ( $plugin_data ) {
-		return $plugin_data['Network'];
-	}
-	return false;
+    $plugin_data = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin );
+    if ( $plugin_data ) {
+        return $plugin_data['Network'];
+    }
+    return false;
 }
 
 /**
@@ -627,106 +627,106 @@ 
  * @return null|WP_Error Null on success, WP_Error on invalid file.
  */
 function activate_plugin( $plugin, $redirect = '', $network_wide = false, $silent = false ) {
-	$plugin = plugin_basename( trim( $plugin ) );
-
-	if ( is_multisite() && ( $network_wide || is_network_only_plugin( $plugin ) ) ) {
-		$network_wide        = true;
-		$current             = get_site_option( 'active_sitewide_plugins', array() );
-		$_GET['networkwide'] = 1; // Back compat for plugins looking for this value.
-	} else {
-		$current = get_option( 'active_plugins', array() );
-	}
-
-	$valid = validate_plugin( $plugin );
-	if ( is_wp_error( $valid ) ) {
-		return $valid;
-	}
-
-	$requirements = validate_plugin_requirements( $plugin );
-	if ( is_wp_error( $requirements ) ) {
-		return $requirements;
-	}
-
-	if ( $network_wide && ! isset( $current[ $plugin ] )
-		|| ! $network_wide && ! in_array( $plugin, $current, true )
-	) {
-		if ( ! empty( $redirect ) ) {
-			// We'll override this later if the plugin can be included without fatal error.
-			wp_redirect( add_query_arg( '_error_nonce', wp_create_nonce( 'plugin-activation-error_' . $plugin ), $redirect ) );
-		}
-
-		ob_start();
-
-		// Load the plugin to test whether it throws any errors.
-		plugin_sandbox_scrape( $plugin );
-
-		if ( ! $silent ) {
-			/**
-			 * Fires before a plugin is activated.
-			 *
-			 * If a plugin is silently activated (such as during an update),
-			 * this hook does not fire.
-			 *
-			 * @since 2.9.0
-			 *
-			 * @param string $plugin       Path to the plugin file relative to the plugins directory.
-			 * @param bool   $network_wide Whether to enable the plugin for all sites in the network
-			 *                             or just the current site. Multisite only. Default false.
-			 */
-			do_action( 'activate_plugin', $plugin, $network_wide );
-
-			/**
-			 * Fires as a specific plugin is being activated.
-			 *
-			 * This hook is the "activation" hook used internally by register_activation_hook().
-			 * The dynamic portion of the hook name, `$plugin`, refers to the plugin basename.
-			 *
-			 * If a plugin is silently activated (such as during an update), this hook does not fire.
-			 *
-			 * @since 2.0.0
-			 *
-			 * @param bool $network_wide Whether to enable the plugin for all sites in the network
-			 *                           or just the current site. Multisite only. Default false.
-			 */
-			do_action( "activate_{$plugin}", $network_wide );
-		}
-
-		if ( $network_wide ) {
-			$current            = get_site_option( 'active_sitewide_plugins', array() );
-			$current[ $plugin ] = time();
-			update_site_option( 'active_sitewide_plugins', $current );
-		} else {
-			$current   = get_option( 'active_plugins', array() );
-			$current[] = $plugin;
-			sort( $current );
-			update_option( 'active_plugins', $current );
-		}
-
-		if ( ! $silent ) {
-			/**
-			 * Fires after a plugin has been activated.
-			 *
-			 * If a plugin is silently activated (such as during an update),
-			 * this hook does not fire.
-			 *
-			 * @since 2.9.0
-			 *
-			 * @param string $plugin       Path to the plugin file relative to the plugins directory.
-			 * @param bool   $network_wide Whether to enable the plugin for all sites in the network
-			 *                             or just the current site. Multisite only. Default false.
-			 */
-			do_action( 'activated_plugin', $plugin, $network_wide );
-		}
-
-		if ( ob_get_length() > 0 ) {
-			$output = ob_get_clean();
-			return new WP_Error( 'unexpected_output', __( 'The plugin generated unexpected output.' ), $output );
-		}
-
-		ob_end_clean();
-	}
-
-	return null;
+    $plugin = plugin_basename( trim( $plugin ) );
+
+    if ( is_multisite() && ( $network_wide || is_network_only_plugin( $plugin ) ) ) {
+        $network_wide        = true;
+        $current             = get_site_option( 'active_sitewide_plugins', array() );
+        $_GET['networkwide'] = 1; // Back compat for plugins looking for this value.
+    } else {
+        $current = get_option( 'active_plugins', array() );
+    }
+
+    $valid = validate_plugin( $plugin );
+    if ( is_wp_error( $valid ) ) {
+        return $valid;
+    }
+
+    $requirements = validate_plugin_requirements( $plugin );
+    if ( is_wp_error( $requirements ) ) {
+        return $requirements;
+    }
+
+    if ( $network_wide && ! isset( $current[ $plugin ] )
+        || ! $network_wide && ! in_array( $plugin, $current, true )
+    ) {
+        if ( ! empty( $redirect ) ) {
+            // We'll override this later if the plugin can be included without fatal error.
+            wp_redirect( add_query_arg( '_error_nonce', wp_create_nonce( 'plugin-activation-error_' . $plugin ), $redirect ) );
+        }
+
+        ob_start();
+
+        // Load the plugin to test whether it throws any errors.
+        plugin_sandbox_scrape( $plugin );
+
+        if ( ! $silent ) {
+            /**
+             * Fires before a plugin is activated.
+             *
+             * If a plugin is silently activated (such as during an update),
+             * this hook does not fire.
+             *
+             * @since 2.9.0
+             *
+             * @param string $plugin       Path to the plugin file relative to the plugins directory.
+             * @param bool   $network_wide Whether to enable the plugin for all sites in the network
+             *                             or just the current site. Multisite only. Default false.
+             */
+            do_action( 'activate_plugin', $plugin, $network_wide );
+
+            /**
+             * Fires as a specific plugin is being activated.
+             *
+             * This hook is the "activation" hook used internally by register_activation_hook().
+             * The dynamic portion of the hook name, `$plugin`, refers to the plugin basename.
+             *
+             * If a plugin is silently activated (such as during an update), this hook does not fire.
+             *
+             * @since 2.0.0
+             *
+             * @param bool $network_wide Whether to enable the plugin for all sites in the network
+             *                           or just the current site. Multisite only. Default false.
+             */
+            do_action( "activate_{$plugin}", $network_wide );
+        }
+
+        if ( $network_wide ) {
+            $current            = get_site_option( 'active_sitewide_plugins', array() );
+            $current[ $plugin ] = time();
+            update_site_option( 'active_sitewide_plugins', $current );
+        } else {
+            $current   = get_option( 'active_plugins', array() );
+            $current[] = $plugin;
+            sort( $current );
+            update_option( 'active_plugins', $current );
+        }
+
+        if ( ! $silent ) {
+            /**
+             * Fires after a plugin has been activated.
+             *
+             * If a plugin is silently activated (such as during an update),
+             * this hook does not fire.
+             *
+             * @since 2.9.0
+             *
+             * @param string $plugin       Path to the plugin file relative to the plugins directory.
+             * @param bool   $network_wide Whether to enable the plugin for all sites in the network
+             *                             or just the current site. Multisite only. Default false.
+             */
+            do_action( 'activated_plugin', $plugin, $network_wide );
+        }
+
+        if ( ob_get_length() > 0 ) {
+            $output = ob_get_clean();
+            return new WP_Error( 'unexpected_output', __( 'The plugin generated unexpected output.' ), $output );
+        }
+
+        ob_end_clean();
+    }
+
+    return null;
 }
 
 /**
@@ -744,97 +744,97 @@ 
  *                                      and the current site. Multisite only. Default null.
  */
 function deactivate_plugins( $plugins, $silent = false, $network_wide = null ) {
-	if ( is_multisite() ) {
-		$network_current = get_site_option( 'active_sitewide_plugins', array() );
-	}
-	$current    = get_option( 'active_plugins', array() );
-	$do_blog    = false;
-	$do_network = false;
-
-	foreach ( (array) $plugins as $plugin ) {
-		$plugin = plugin_basename( trim( $plugin ) );
-		if ( ! is_plugin_active( $plugin ) ) {
-			continue;
-		}
-
-		$network_deactivating = ( false !== $network_wide ) && is_plugin_active_for_network( $plugin );
-
-		if ( ! $silent ) {
-			/**
-			 * Fires before a plugin is deactivated.
-			 *
-			 * If a plugin is silently deactivated (such as during an update),
-			 * this hook does not fire.
-			 *
-			 * @since 2.9.0
-			 *
-			 * @param string $plugin               Path to the plugin file relative to the plugins directory.
-			 * @param bool   $network_deactivating Whether the plugin is deactivated for all sites in the network
-			 *                                     or just the current site. Multisite only. Default false.
-			 */
-			do_action( 'deactivate_plugin', $plugin, $network_deactivating );
-		}
-
-		if ( false !== $network_wide ) {
-			if ( is_plugin_active_for_network( $plugin ) ) {
-				$do_network = true;
-				unset( $network_current[ $plugin ] );
-			} elseif ( $network_wide ) {
-				continue;
-			}
-		}
-
-		if ( true !== $network_wide ) {
-			$key = array_search( $plugin, $current, true );
-			if ( false !== $key ) {
-				$do_blog = true;
-				unset( $current[ $key ] );
-			}
-		}
-
-		if ( $do_blog && wp_is_recovery_mode() ) {
-			list( $extension ) = explode( '/', $plugin );
-			wp_paused_plugins()->delete( $extension );
-		}
-
-		if ( ! $silent ) {
-			/**
-			 * Fires as a specific plugin is being deactivated.
-			 *
-			 * This hook is the "deactivation" hook used internally by register_deactivation_hook().
-			 * The dynamic portion of the hook name, `$plugin`, refers to the plugin basename.
-			 *
-			 * If a plugin is silently deactivated (such as during an update), this hook does not fire.
-			 *
-			 * @since 2.0.0
-			 *
-			 * @param bool $network_deactivating Whether the plugin is deactivated for all sites in the network
-			 *                                   or just the current site. Multisite only. Default false.
-			 */
-			do_action( "deactivate_{$plugin}", $network_deactivating );
-
-			/**
-			 * Fires after a plugin is deactivated.
-			 *
-			 * If a plugin is silently deactivated (such as during an update),
-			 * this hook does not fire.
-			 *
-			 * @since 2.9.0
-			 *
-			 * @param string $plugin               Path to the plugin file relative to the plugins directory.
-			 * @param bool   $network_deactivating Whether the plugin is deactivated for all sites in the network
-			 *                                     or just the current site. Multisite only. Default false.
-			 */
-			do_action( 'deactivated_plugin', $plugin, $network_deactivating );
-		}
-	}
-
-	if ( $do_blog ) {
-		update_option( 'active_plugins', $current );
-	}
-	if ( $do_network ) {
-		update_site_option( 'active_sitewide_plugins', $network_current );
-	}
+    if ( is_multisite() ) {
+        $network_current = get_site_option( 'active_sitewide_plugins', array() );
+    }
+    $current    = get_option( 'active_plugins', array() );
+    $do_blog    = false;
+    $do_network = false;
+
+    foreach ( (array) $plugins as $plugin ) {
+        $plugin = plugin_basename( trim( $plugin ) );
+        if ( ! is_plugin_active( $plugin ) ) {
+            continue;
+        }
+
+        $network_deactivating = ( false !== $network_wide ) && is_plugin_active_for_network( $plugin );
+
+        if ( ! $silent ) {
+            /**
+             * Fires before a plugin is deactivated.
+             *
+             * If a plugin is silently deactivated (such as during an update),
+             * this hook does not fire.
+             *
+             * @since 2.9.0
+             *
+             * @param string $plugin               Path to the plugin file relative to the plugins directory.
+             * @param bool   $network_deactivating Whether the plugin is deactivated for all sites in the network
+             *                                     or just the current site. Multisite only. Default false.
+             */
+            do_action( 'deactivate_plugin', $plugin, $network_deactivating );
+        }
+
+        if ( false !== $network_wide ) {
+            if ( is_plugin_active_for_network( $plugin ) ) {
+                $do_network = true;
+                unset( $network_current[ $plugin ] );
+            } elseif ( $network_wide ) {
+                continue;
+            }
+        }
+
+        if ( true !== $network_wide ) {
+            $key = array_search( $plugin, $current, true );
+            if ( false !== $key ) {
+                $do_blog = true;
+                unset( $current[ $key ] );
+            }
+        }
+
+        if ( $do_blog && wp_is_recovery_mode() ) {
+            list( $extension ) = explode( '/', $plugin );
+            wp_paused_plugins()->delete( $extension );
+        }
+
+        if ( ! $silent ) {
+            /**
+             * Fires as a specific plugin is being deactivated.
+             *
+             * This hook is the "deactivation" hook used internally by register_deactivation_hook().
+             * The dynamic portion of the hook name, `$plugin`, refers to the plugin basename.
+             *
+             * If a plugin is silently deactivated (such as during an update), this hook does not fire.
+             *
+             * @since 2.0.0
+             *
+             * @param bool $network_deactivating Whether the plugin is deactivated for all sites in the network
+             *                                   or just the current site. Multisite only. Default false.
+             */
+            do_action( "deactivate_{$plugin}", $network_deactivating );
+
+            /**
+             * Fires after a plugin is deactivated.
+             *
+             * If a plugin is silently deactivated (such as during an update),
+             * this hook does not fire.
+             *
+             * @since 2.9.0
+             *
+             * @param string $plugin               Path to the plugin file relative to the plugins directory.
+             * @param bool   $network_deactivating Whether the plugin is deactivated for all sites in the network
+             *                                     or just the current site. Multisite only. Default false.
+             */
+            do_action( 'deactivated_plugin', $plugin, $network_deactivating );
+        }
+    }
+
+    if ( $do_blog ) {
+        update_option( 'active_plugins', $current );
+    }
+    if ( $do_network ) {
+        update_site_option( 'active_sitewide_plugins', $network_current );
+    }
 }
 
 /**
@@ -855,26 +855,26 @@ 
  * @return bool|WP_Error True when finished or WP_Error if there were errors during a plugin activation.
  */
 function activate_plugins( $plugins, $redirect = '', $network_wide = false, $silent = false ) {
-	if ( ! is_array( $plugins ) ) {
-		$plugins = array( $plugins );
-	}
-
-	$errors = array();
-	foreach ( $plugins as $plugin ) {
-		if ( ! empty( $redirect ) ) {
-			$redirect = add_query_arg( 'plugin', $plugin, $redirect );
-		}
-		$result = activate_plugin( $plugin, $redirect, $network_wide, $silent );
-		if ( is_wp_error( $result ) ) {
-			$errors[ $plugin ] = $result;
-		}
-	}
-
-	if ( ! empty( $errors ) ) {
-		return new WP_Error( 'plugins_invalid', __( 'One of the plugins is invalid.' ), $errors );
-	}
-
-	return true;
+    if ( ! is_array( $plugins ) ) {
+        $plugins = array( $plugins );
+    }
+
+    $errors = array();
+    foreach ( $plugins as $plugin ) {
+        if ( ! empty( $redirect ) ) {
+            $redirect = add_query_arg( 'plugin', $plugin, $redirect );
+        }
+        $result = activate_plugin( $plugin, $redirect, $network_wide, $silent );
+        if ( is_wp_error( $result ) ) {
+            $errors[ $plugin ] = $result;
+        }
+    }
+
+    if ( ! empty( $errors ) ) {
+        return new WP_Error( 'plugins_invalid', __( 'One of the plugins is invalid.' ), $errors );
+    }
+
+    return true;
 }
 
 /**
@@ -890,156 +890,156 @@ 
  *                            `null` if filesystem credentials are required to proceed.
  */
 function delete_plugins( $plugins, $deprecated = '' ) {
-	global $wp_filesystem;
-
-	if ( empty( $plugins ) ) {
-		return false;
-	}
-
-	$checked = array();
-	foreach ( $plugins as $plugin ) {
-		$checked[] = 'checked[]=' . $plugin;
-	}
-
-	$url = wp_nonce_url( 'plugins.php?action=delete-selected&verify-delete=1&' . implode( '&', $checked ), 'bulk-plugins' );
-
-	ob_start();
-	$credentials = request_filesystem_credentials( $url );
-	$data        = ob_get_clean();
-
-	if ( false === $credentials ) {
-		if ( ! empty( $data ) ) {
-			require_once ABSPATH . 'wp-admin/admin-header.php';
-			echo $data;
-			require_once ABSPATH . 'wp-admin/admin-footer.php';
-			exit;
-		}
-		return;
-	}
-
-	if ( ! WP_Filesystem( $credentials ) ) {
-		ob_start();
-		// Failed to connect. Error and request again.
-		request_filesystem_credentials( $url, '', true );
-		$data = ob_get_clean();
-
-		if ( ! empty( $data ) ) {
-			require_once ABSPATH . 'wp-admin/admin-header.php';
-			echo $data;
-			require_once ABSPATH . 'wp-admin/admin-footer.php';
-			exit;
-		}
-		return;
-	}
-
-	if ( ! is_object( $wp_filesystem ) ) {
-		return new WP_Error( 'fs_unavailable', __( 'Could not access filesystem.' ) );
-	}
-
-	if ( is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() ) {
-		return new WP_Error( 'fs_error', __( 'Filesystem error.' ), $wp_filesystem->errors );
-	}
-
-	// Get the base plugin folder.
-	$plugins_dir = $wp_filesystem->wp_plugins_dir();
-	if ( empty( $plugins_dir ) ) {
-		return new WP_Error( 'fs_no_plugins_dir', __( 'Unable to locate WordPress plugin directory.' ) );
-	}
-
-	$plugins_dir = trailingslashit( $plugins_dir );
-
-	$plugin_translations = wp_get_installed_translations( 'plugins' );
-
-	$errors = array();
-
-	foreach ( $plugins as $plugin_file ) {
-		// Run Uninstall hook.
-		if ( is_uninstallable_plugin( $plugin_file ) ) {
-			uninstall_plugin( $plugin_file );
-		}
-
-		/**
-		 * Fires immediately before a plugin deletion attempt.
-		 *
-		 * @since 4.4.0
-		 *
-		 * @param string $plugin_file Path to the plugin file relative to the plugins directory.
-		 */
-		do_action( 'delete_plugin', $plugin_file );
-
-		$this_plugin_dir = trailingslashit( dirname( $plugins_dir . $plugin_file ) );
-
-		// If plugin is in its own directory, recursively delete the directory.
-		// Base check on if plugin includes directory separator AND that it's not the root plugin folder.
-		if ( strpos( $plugin_file, '/' ) && $this_plugin_dir !== $plugins_dir ) {
-			$deleted = $wp_filesystem->delete( $this_plugin_dir, true );
-		} else {
-			$deleted = $wp_filesystem->delete( $plugins_dir . $plugin_file );
-		}
-
-		/**
-		 * Fires immediately after a plugin deletion attempt.
-		 *
-		 * @since 4.4.0
-		 *
-		 * @param string $plugin_file Path to the plugin file relative to the plugins directory.
-		 * @param bool   $deleted     Whether the plugin deletion was successful.
-		 */
-		do_action( 'deleted_plugin', $plugin_file, $deleted );
-
-		if ( ! $deleted ) {
-			$errors[] = $plugin_file;
-			continue;
-		}
-
-		$plugin_slug = dirname( $plugin_file );
-
-		if ( 'hello.php' === $plugin_file ) {
-			$plugin_slug = 'hello-dolly';
-		}
-
-		// Remove language files, silently.
-		if ( '.' !== $plugin_slug && ! empty( $plugin_translations[ $plugin_slug ] ) ) {
-			$translations = $plugin_translations[ $plugin_slug ];
-
-			foreach ( $translations as $translation => $data ) {
-				$wp_filesystem->delete( WP_LANG_DIR . '/plugins/' . $plugin_slug . '-' . $translation . '.po' );
-				$wp_filesystem->delete( WP_LANG_DIR . '/plugins/' . $plugin_slug . '-' . $translation . '.mo' );
-
-				$json_translation_files = glob( WP_LANG_DIR . '/plugins/' . $plugin_slug . '-' . $translation . '-*.json' );
-				if ( $json_translation_files ) {
-					array_map( array( $wp_filesystem, 'delete' ), $json_translation_files );
-				}
-			}
-		}
-	}
-
-	// Remove deleted plugins from the plugin updates list.
-	$current = get_site_transient( 'update_plugins' );
-	if ( $current ) {
-		// Don't remove the plugins that weren't deleted.
-		$deleted = array_diff( $plugins, $errors );
-
-		foreach ( $deleted as $plugin_file ) {
-			unset( $current->response[ $plugin_file ] );
-		}
-
-		set_site_transient( 'update_plugins', $current );
-	}
-
-	if ( ! empty( $errors ) ) {
-		if ( 1 === count( $errors ) ) {
-			/* translators: %s: Plugin filename. */
-			$message = __( 'Could not fully remove the plugin %s.' );
-		} else {
-			/* translators: %s: Comma-separated list of plugin filenames. */
-			$message = __( 'Could not fully remove the plugins %s.' );
-		}
-
-		return new WP_Error( 'could_not_remove_plugin', sprintf( $message, implode( ', ', $errors ) ) );
-	}
-
-	return true;
+    global $wp_filesystem;
+
+    if ( empty( $plugins ) ) {
+        return false;
+    }
+
+    $checked = array();
+    foreach ( $plugins as $plugin ) {
+        $checked[] = 'checked[]=' . $plugin;
+    }
+
+    $url = wp_nonce_url( 'plugins.php?action=delete-selected&verify-delete=1&' . implode( '&', $checked ), 'bulk-plugins' );
+
+    ob_start();
+    $credentials = request_filesystem_credentials( $url );
+    $data        = ob_get_clean();
+
+    if ( false === $credentials ) {
+        if ( ! empty( $data ) ) {
+            require_once ABSPATH . 'wp-admin/admin-header.php';
+            echo $data;
+            require_once ABSPATH . 'wp-admin/admin-footer.php';
+            exit;
+        }
+        return;
+    }
+
+    if ( ! WP_Filesystem( $credentials ) ) {
+        ob_start();
+        // Failed to connect. Error and request again.
+        request_filesystem_credentials( $url, '', true );
+        $data = ob_get_clean();
+
+        if ( ! empty( $data ) ) {
+            require_once ABSPATH . 'wp-admin/admin-header.php';
+            echo $data;
+            require_once ABSPATH . 'wp-admin/admin-footer.php';
+            exit;
+        }
+        return;
+    }
+
+    if ( ! is_object( $wp_filesystem ) ) {
+        return new WP_Error( 'fs_unavailable', __( 'Could not access filesystem.' ) );
+    }
+
+    if ( is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() ) {
+        return new WP_Error( 'fs_error', __( 'Filesystem error.' ), $wp_filesystem->errors );
+    }
+
+    // Get the base plugin folder.
+    $plugins_dir = $wp_filesystem->wp_plugins_dir();
+    if ( empty( $plugins_dir ) ) {
+        return new WP_Error( 'fs_no_plugins_dir', __( 'Unable to locate WordPress plugin directory.' ) );
+    }
+
+    $plugins_dir = trailingslashit( $plugins_dir );
+
+    $plugin_translations = wp_get_installed_translations( 'plugins' );
+
+    $errors = array();
+
+    foreach ( $plugins as $plugin_file ) {
+        // Run Uninstall hook.
+        if ( is_uninstallable_plugin( $plugin_file ) ) {
+            uninstall_plugin( $plugin_file );
+        }
+
+        /**
+         * Fires immediately before a plugin deletion attempt.
+         *
+         * @since 4.4.0
+         *
+         * @param string $plugin_file Path to the plugin file relative to the plugins directory.
+         */
+        do_action( 'delete_plugin', $plugin_file );
+
+        $this_plugin_dir = trailingslashit( dirname( $plugins_dir . $plugin_file ) );
+
+        // If plugin is in its own directory, recursively delete the directory.
+        // Base check on if plugin includes directory separator AND that it's not the root plugin folder.
+        if ( strpos( $plugin_file, '/' ) && $this_plugin_dir !== $plugins_dir ) {
+            $deleted = $wp_filesystem->delete( $this_plugin_dir, true );
+        } else {
+            $deleted = $wp_filesystem->delete( $plugins_dir . $plugin_file );
+        }
+
+        /**
+         * Fires immediately after a plugin deletion attempt.
+         *
+         * @since 4.4.0
+         *
+         * @param string $plugin_file Path to the plugin file relative to the plugins directory.
+         * @param bool   $deleted     Whether the plugin deletion was successful.
+         */
+        do_action( 'deleted_plugin', $plugin_file, $deleted );
+
+        if ( ! $deleted ) {
+            $errors[] = $plugin_file;
+            continue;
+        }
+
+        $plugin_slug = dirname( $plugin_file );
+
+        if ( 'hello.php' === $plugin_file ) {
+            $plugin_slug = 'hello-dolly';
+        }
+
+        // Remove language files, silently.
+        if ( '.' !== $plugin_slug && ! empty( $plugin_translations[ $plugin_slug ] ) ) {
+            $translations = $plugin_translations[ $plugin_slug ];
+
+            foreach ( $translations as $translation => $data ) {
+                $wp_filesystem->delete( WP_LANG_DIR . '/plugins/' . $plugin_slug . '-' . $translation . '.po' );
+                $wp_filesystem->delete( WP_LANG_DIR . '/plugins/' . $plugin_slug . '-' . $translation . '.mo' );
+
+                $json_translation_files = glob( WP_LANG_DIR . '/plugins/' . $plugin_slug . '-' . $translation . '-*.json' );
+                if ( $json_translation_files ) {
+                    array_map( array( $wp_filesystem, 'delete' ), $json_translation_files );
+                }
+            }
+        }
+    }
+
+    // Remove deleted plugins from the plugin updates list.
+    $current = get_site_transient( 'update_plugins' );
+    if ( $current ) {
+        // Don't remove the plugins that weren't deleted.
+        $deleted = array_diff( $plugins, $errors );
+
+        foreach ( $deleted as $plugin_file ) {
+            unset( $current->response[ $plugin_file ] );
+        }
+
+        set_site_transient( 'update_plugins', $current );
+    }
+
+    if ( ! empty( $errors ) ) {
+        if ( 1 === count( $errors ) ) {
+            /* translators: %s: Plugin filename. */
+            $message = __( 'Could not fully remove the plugin %s.' );
+        } else {
+            /* translators: %s: Comma-separated list of plugin filenames. */
+            $message = __( 'Could not fully remove the plugins %s.' );
+        }
+
+        return new WP_Error( 'could_not_remove_plugin', sprintf( $message, implode( ', ', $errors ) ) );
+    }
+
+    return true;
 }
 
 /**
@@ -1052,33 +1052,33 @@ 
  * @return WP_Error[] Array of plugin errors keyed by plugin file name.
  */
 function validate_active_plugins() {
-	$plugins = get_option( 'active_plugins', array() );
-	// Validate vartype: array.
-	if ( ! is_array( $plugins ) ) {
-		update_option( 'active_plugins', array() );
-		$plugins = array();
-	}
-
-	if ( is_multisite() && current_user_can( 'manage_network_plugins' ) ) {
-		$network_plugins = (array) get_site_option( 'active_sitewide_plugins', array() );
-		$plugins         = array_merge( $plugins, array_keys( $network_plugins ) );
-	}
-
-	if ( empty( $plugins ) ) {
-		return array();
-	}
-
-	$invalid = array();
-
-	// Invalid plugins get deactivated.
-	foreach ( $plugins as $plugin ) {
-		$result = validate_plugin( $plugin );
-		if ( is_wp_error( $result ) ) {
-			$invalid[ $plugin ] = $result;
-			deactivate_plugins( $plugin, true );
-		}
-	}
-	return $invalid;
+    $plugins = get_option( 'active_plugins', array() );
+    // Validate vartype: array.
+    if ( ! is_array( $plugins ) ) {
+        update_option( 'active_plugins', array() );
+        $plugins = array();
+    }
+
+    if ( is_multisite() && current_user_can( 'manage_network_plugins' ) ) {
+        $network_plugins = (array) get_site_option( 'active_sitewide_plugins', array() );
+        $plugins         = array_merge( $plugins, array_keys( $network_plugins ) );
+    }
+
+    if ( empty( $plugins ) ) {
+        return array();
+    }
+
+    $invalid = array();
+
+    // Invalid plugins get deactivated.
+    foreach ( $plugins as $plugin ) {
+        $result = validate_plugin( $plugin );
+        if ( is_wp_error( $result ) ) {
+            $invalid[ $plugin ] = $result;
+            deactivate_plugins( $plugin, true );
+        }
+    }
+    return $invalid;
 }
 
 /**
@@ -1092,18 +1092,18 @@ 
  * @return int|WP_Error 0 on success, WP_Error on failure.
  */
 function validate_plugin( $plugin ) {
-	if ( validate_file( $plugin ) ) {
-		return new WP_Error( 'plugin_invalid', __( 'Invalid plugin path.' ) );
-	}
-	if ( ! file_exists( WP_PLUGIN_DIR . '/' . $plugin ) ) {
-		return new WP_Error( 'plugin_not_found', __( 'Plugin file does not exist.' ) );
-	}
-
-	$installed_plugins = get_plugins();
-	if ( ! isset( $installed_plugins[ $plugin ] ) ) {
-		return new WP_Error( 'no_plugin_header', __( 'The plugin does not have a valid header.' ) );
-	}
-	return 0;
+    if ( validate_file( $plugin ) ) {
+        return new WP_Error( 'plugin_invalid', __( 'Invalid plugin path.' ) );
+    }
+    if ( ! file_exists( WP_PLUGIN_DIR . '/' . $plugin ) ) {
+        return new WP_Error( 'plugin_not_found', __( 'Plugin file does not exist.' ) );
+    }
+
+    $installed_plugins = get_plugins();
+    if ( ! isset( $installed_plugins[ $plugin ] ) ) {
+        return new WP_Error( 'no_plugin_header', __( 'The plugin does not have a valid header.' ) );
+    }
+    return 0;
 }
 
 /**
@@ -1121,66 +1121,66 @@ 
  * @return true|WP_Error True if requirements are met, WP_Error on failure.
  */
 function validate_plugin_requirements( $plugin ) {
-	$plugin_headers = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin );
-
-	$requirements = array(
-		'requires'     => ! empty( $plugin_headers['RequiresWP'] ) ? $plugin_headers['RequiresWP'] : '',
-		'requires_php' => ! empty( $plugin_headers['RequiresPHP'] ) ? $plugin_headers['RequiresPHP'] : '',
-	);
-
-	$compatible_wp  = is_wp_version_compatible( $requirements['requires'] );
-	$compatible_php = is_php_version_compatible( $requirements['requires_php'] );
-
-	$php_update_message = '</p><p>' . sprintf(
-		/* translators: %s: URL to Update PHP page. */
-		__( '<a href="%s">Learn more about updating PHP</a>.' ),
-		esc_url( wp_get_update_php_url() )
-	);
-
-	$annotation = wp_get_update_php_annotation();
-
-	if ( $annotation ) {
-		$php_update_message .= '</p><p><em>' . $annotation . '</em>';
-	}
-
-	if ( ! $compatible_wp && ! $compatible_php ) {
-		return new WP_Error(
-			'plugin_wp_php_incompatible',
-			'<p>' . sprintf(
-				/* translators: 1: Current WordPress version, 2: Current PHP version, 3: Plugin name, 4: Required WordPress version, 5: Required PHP version. */
-				_x( '<strong>Error:</strong> Current versions of WordPress (%1$s) and PHP (%2$s) do not meet minimum requirements for %3$s. The plugin requires WordPress %4$s and PHP %5$s.', 'plugin' ),
-				get_bloginfo( 'version' ),
-				phpversion(),
-				$plugin_headers['Name'],
-				$requirements['requires'],
-				$requirements['requires_php']
-			) . $php_update_message . '</p>'
-		);
-	} elseif ( ! $compatible_php ) {
-		return new WP_Error(
-			'plugin_php_incompatible',
-			'<p>' . sprintf(
-				/* translators: 1: Current PHP version, 2: Plugin name, 3: Required PHP version. */
-				_x( '<strong>Error:</strong> Current PHP version (%1$s) does not meet minimum requirements for %2$s. The plugin requires PHP %3$s.', 'plugin' ),
-				phpversion(),
-				$plugin_headers['Name'],
-				$requirements['requires_php']
-			) . $php_update_message . '</p>'
-		);
-	} elseif ( ! $compatible_wp ) {
-		return new WP_Error(
-			'plugin_wp_incompatible',
-			'<p>' . sprintf(
-				/* translators: 1: Current WordPress version, 2: Plugin name, 3: Required WordPress version. */
-				_x( '<strong>Error:</strong> Current WordPress version (%1$s) does not meet minimum requirements for %2$s. The plugin requires WordPress %3$s.', 'plugin' ),
-				get_bloginfo( 'version' ),
-				$plugin_headers['Name'],
-				$requirements['requires']
-			) . '</p>'
-		);
-	}
-
-	return true;
+    $plugin_headers = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin );
+
+    $requirements = array(
+        'requires'     => ! empty( $plugin_headers['RequiresWP'] ) ? $plugin_headers['RequiresWP'] : '',
+        'requires_php' => ! empty( $plugin_headers['RequiresPHP'] ) ? $plugin_headers['RequiresPHP'] : '',
+    );
+
+    $compatible_wp  = is_wp_version_compatible( $requirements['requires'] );
+    $compatible_php = is_php_version_compatible( $requirements['requires_php'] );
+
+    $php_update_message = '</p><p>' . sprintf(
+        /* translators: %s: URL to Update PHP page. */
+        __( '<a href="%s">Learn more about updating PHP</a>.' ),
+        esc_url( wp_get_update_php_url() )
+    );
+
+    $annotation = wp_get_update_php_annotation();
+
+    if ( $annotation ) {
+        $php_update_message .= '</p><p><em>' . $annotation . '</em>';
+    }
+
+    if ( ! $compatible_wp && ! $compatible_php ) {
+        return new WP_Error(
+            'plugin_wp_php_incompatible',
+            '<p>' . sprintf(
+                /* translators: 1: Current WordPress version, 2: Current PHP version, 3: Plugin name, 4: Required WordPress version, 5: Required PHP version. */
+                _x( '<strong>Error:</strong> Current versions of WordPress (%1$s) and PHP (%2$s) do not meet minimum requirements for %3$s. The plugin requires WordPress %4$s and PHP %5$s.', 'plugin' ),
+                get_bloginfo( 'version' ),
+                phpversion(),
+                $plugin_headers['Name'],
+                $requirements['requires'],
+                $requirements['requires_php']
+            ) . $php_update_message . '</p>'
+        );
+    } elseif ( ! $compatible_php ) {
+        return new WP_Error(
+            'plugin_php_incompatible',
+            '<p>' . sprintf(
+                /* translators: 1: Current PHP version, 2: Plugin name, 3: Required PHP version. */
+                _x( '<strong>Error:</strong> Current PHP version (%1$s) does not meet minimum requirements for %2$s. The plugin requires PHP %3$s.', 'plugin' ),
+                phpversion(),
+                $plugin_headers['Name'],
+                $requirements['requires_php']
+            ) . $php_update_message . '</p>'
+        );
+    } elseif ( ! $compatible_wp ) {
+        return new WP_Error(
+            'plugin_wp_incompatible',
+            '<p>' . sprintf(
+                /* translators: 1: Current WordPress version, 2: Plugin name, 3: Required WordPress version. */
+                _x( '<strong>Error:</strong> Current WordPress version (%1$s) does not meet minimum requirements for %2$s. The plugin requires WordPress %3$s.', 'plugin' ),
+                get_bloginfo( 'version' ),
+                $plugin_headers['Name'],
+                $requirements['requires']
+            ) . '</p>'
+        );
+    }
+
+    return true;
 }
 
 /**
@@ -1192,14 +1192,14 @@ 
  * @return bool Whether plugin can be uninstalled.
  */
 function is_uninstallable_plugin( $plugin ) {
-	$file = plugin_basename( $plugin );
+    $file = plugin_basename( $plugin );
 
-	$uninstallable_plugins = (array) get_option( 'uninstall_plugins' );
-	if ( isset( $uninstallable_plugins[ $file ] ) || file_exists( WP_PLUGIN_DIR . '/' . dirname( $file ) . '/uninstall.php' ) ) {
-		return true;
-	}
+    $uninstallable_plugins = (array) get_option( 'uninstall_plugins' );
+    if ( isset( $uninstallable_plugins[ $file ] ) || file_exists( WP_PLUGIN_DIR . '/' . dirname( $file ) . '/uninstall.php' ) ) {
+        return true;
+    }
 
-	return false;
+    return false;
 }
 
 /**
@@ -1214,56 +1214,56 @@ 
  *                   Void otherwise.
  */
 function uninstall_plugin( $plugin ) {
-	$file = plugin_basename( $plugin );
-
-	$uninstallable_plugins = (array) get_option( 'uninstall_plugins' );
-
-	/**
-	 * Fires in uninstall_plugin() immediately before the plugin is uninstalled.
-	 *
-	 * @since 4.5.0
-	 *
-	 * @param string $plugin                Path to the plugin file relative to the plugins directory.
-	 * @param array  $uninstallable_plugins Uninstallable plugins.
-	 */
-	do_action( 'pre_uninstall_plugin', $plugin, $uninstallable_plugins );
-
-	if ( file_exists( WP_PLUGIN_DIR . '/' . dirname( $file ) . '/uninstall.php' ) ) {
-		if ( isset( $uninstallable_plugins[ $file ] ) ) {
-			unset( $uninstallable_plugins[ $file ] );
-			update_option( 'uninstall_plugins', $uninstallable_plugins );
-		}
-		unset( $uninstallable_plugins );
-
-		define( 'WP_UNINSTALL_PLUGIN', $file );
-
-		wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $file );
-		include_once WP_PLUGIN_DIR . '/' . dirname( $file ) . '/uninstall.php';
-
-		return true;
-	}
-
-	if ( isset( $uninstallable_plugins[ $file ] ) ) {
-		$callable = $uninstallable_plugins[ $file ];
-		unset( $uninstallable_plugins[ $file ] );
-		update_option( 'uninstall_plugins', $uninstallable_plugins );
-		unset( $uninstallable_plugins );
-
-		wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $file );
-		include_once WP_PLUGIN_DIR . '/' . $file;
-
-		add_action( "uninstall_{$file}", $callable );
-
-		/**
-		 * Fires in uninstall_plugin() once the plugin has been uninstalled.
-		 *
-		 * The action concatenates the 'uninstall_' prefix with the basename of the
-		 * plugin passed to uninstall_plugin() to create a dynamically-named action.
-		 *
-		 * @since 2.7.0
-		 */
-		do_action( "uninstall_{$file}" );
-	}
+    $file = plugin_basename( $plugin );
+
+    $uninstallable_plugins = (array) get_option( 'uninstall_plugins' );
+
+    /**
+     * Fires in uninstall_plugin() immediately before the plugin is uninstalled.
+     *
+     * @since 4.5.0
+     *
+     * @param string $plugin                Path to the plugin file relative to the plugins directory.
+     * @param array  $uninstallable_plugins Uninstallable plugins.
+     */
+    do_action( 'pre_uninstall_plugin', $plugin, $uninstallable_plugins );
+
+    if ( file_exists( WP_PLUGIN_DIR . '/' . dirname( $file ) . '/uninstall.php' ) ) {
+        if ( isset( $uninstallable_plugins[ $file ] ) ) {
+            unset( $uninstallable_plugins[ $file ] );
+            update_option( 'uninstall_plugins', $uninstallable_plugins );
+        }
+        unset( $uninstallable_plugins );
+
+        define( 'WP_UNINSTALL_PLUGIN', $file );
+
+        wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $file );
+        include_once WP_PLUGIN_DIR . '/' . dirname( $file ) . '/uninstall.php';
+
+        return true;
+    }
+
+    if ( isset( $uninstallable_plugins[ $file ] ) ) {
+        $callable = $uninstallable_plugins[ $file ];
+        unset( $uninstallable_plugins[ $file ] );
+        update_option( 'uninstall_plugins', $uninstallable_plugins );
+        unset( $uninstallable_plugins );
+
+        wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $file );
+        include_once WP_PLUGIN_DIR . '/' . $file;
+
+        add_action( "uninstall_{$file}", $callable );
+
+        /**
+         * Fires in uninstall_plugin() once the plugin has been uninstalled.
+         *
+         * The action concatenates the 'uninstall_' prefix with the basename of the
+         * plugin passed to uninstall_plugin() to create a dynamically-named action.
+         *
+         * @since 2.7.0
+         */
+        do_action( "uninstall_{$file}" );
+    }
 }
 
 //
@@ -1303,49 +1303,49 @@ 
  * @return string The resulting page's hook_suffix.
  */
 function add_menu_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $icon_url = '', $position = null ) {
-	global $menu, $admin_page_hooks, $_registered_pages, $_parent_pages;
-
-	$menu_slug = plugin_basename( $menu_slug );
-
-	$admin_page_hooks[ $menu_slug ] = sanitize_title( $menu_title );
-
-	$hookname = get_plugin_page_hookname( $menu_slug, '' );
-
-	if ( ! empty( $callback ) && ! empty( $hookname ) && current_user_can( $capability ) ) {
-		add_action( $hookname, $callback );
-	}
-
-	if ( empty( $icon_url ) ) {
-		$icon_url   = 'dashicons-admin-generic';
-		$icon_class = 'menu-icon-generic ';
-	} else {
-		$icon_url   = set_url_scheme( $icon_url );
-		$icon_class = '';
-	}
-
-	$new_menu = array( $menu_title, $capability, $menu_slug, $page_title, 'menu-top ' . $icon_class . $hookname, $hookname, $icon_url );
-
-	if ( null !== $position && ! is_numeric( $position ) ) {
-		_doing_it_wrong(
-			__FUNCTION__,
-			sprintf(
-				/* translators: %s: add_menu_page() */
-				__( 'The seventh parameter passed to %s should be numeric representing menu position.' ),
-				'<code>add_menu_page()</code>'
-			),
-			'6.0.0'
-		);
-		$position = null;
-	}
-
-	if ( null === $position || ! is_numeric( $position ) ) {
-		$menu[] = $new_menu;
-	} elseif ( isset( $menu[ (string) $position ] ) ) {
-		$collision_avoider = base_convert( substr( md5( $menu_slug . $menu_title ), -4 ), 16, 10 ) * 0.00001;
-		$position          = (string) ( $position + $collision_avoider );
-		$menu[ $position ] = $new_menu;
-	} else {
-		/*
+    global $menu, $admin_page_hooks, $_registered_pages, $_parent_pages;
+
+    $menu_slug = plugin_basename( $menu_slug );
+
+    $admin_page_hooks[ $menu_slug ] = sanitize_title( $menu_title );
+
+    $hookname = get_plugin_page_hookname( $menu_slug, '' );
+
+    if ( ! empty( $callback ) && ! empty( $hookname ) && current_user_can( $capability ) ) {
+        add_action( $hookname, $callback );
+    }
+
+    if ( empty( $icon_url ) ) {
+        $icon_url   = 'dashicons-admin-generic';
+        $icon_class = 'menu-icon-generic ';
+    } else {
+        $icon_url   = set_url_scheme( $icon_url );
+        $icon_class = '';
+    }
+
+    $new_menu = array( $menu_title, $capability, $menu_slug, $page_title, 'menu-top ' . $icon_class . $hookname, $hookname, $icon_url );
+
+    if ( null !== $position && ! is_numeric( $position ) ) {
+        _doing_it_wrong(
+            __FUNCTION__,
+            sprintf(
+                /* translators: %s: add_menu_page() */
+                __( 'The seventh parameter passed to %s should be numeric representing menu position.' ),
+                '<code>add_menu_page()</code>'
+            ),
+            '6.0.0'
+        );
+        $position = null;
+    }
+
+    if ( null === $position || ! is_numeric( $position ) ) {
+        $menu[] = $new_menu;
+    } elseif ( isset( $menu[ (string) $position ] ) ) {
+        $collision_avoider = base_convert( substr( md5( $menu_slug . $menu_title ), -4 ), 16, 10 ) * 0.00001;
+        $position          = (string) ( $position + $collision_avoider );
+        $menu[ $position ] = $new_menu;
+    } else {
+        /*
 		 * Cast menu position to a string.
 		 *
 		 * This allows for floats to be passed as the position. PHP will normally cast a float to an
@@ -1353,16 +1353,16 @@ 
 		 *
 		 * A string containing an integer value, eg "10", is treated as a numeric index.
 		 */
-		$position          = (string) $position;
-		$menu[ $position ] = $new_menu;
-	}
+        $position          = (string) $position;
+        $menu[ $position ] = $new_menu;
+    }
 
-	$_registered_pages[ $hookname ] = true;
+    $_registered_pages[ $hookname ] = true;
 
-	// No parent as top level.
-	$_parent_pages[ $menu_slug ] = false;
+    // No parent as top level.
+    $_parent_pages[ $menu_slug ] = false;
 
-	return $hookname;
+    return $hookname;
 }
 
 /**
@@ -1398,95 +1398,95 @@ 
  * @return string|false The resulting page's hook_suffix, or false if the user does not have the capability required.
  */
 function add_submenu_page( $parent_slug, $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) {
-	global $submenu, $menu, $_wp_real_parent_file, $_wp_submenu_nopriv,
-		$_registered_pages, $_parent_pages;
+    global $submenu, $menu, $_wp_real_parent_file, $_wp_submenu_nopriv,
+        $_registered_pages, $_parent_pages;
 
-	$menu_slug   = plugin_basename( $menu_slug );
-	$parent_slug = plugin_basename( $parent_slug );
+    $menu_slug   = plugin_basename( $menu_slug );
+    $parent_slug = plugin_basename( $parent_slug );
 
-	if ( isset( $_wp_real_parent_file[ $parent_slug ] ) ) {
-		$parent_slug = $_wp_real_parent_file[ $parent_slug ];
-	}
+    if ( isset( $_wp_real_parent_file[ $parent_slug ] ) ) {
+        $parent_slug = $_wp_real_parent_file[ $parent_slug ];
+    }
 
-	if ( ! current_user_can( $capability ) ) {
-		$_wp_submenu_nopriv[ $parent_slug ][ $menu_slug ] = true;
-		return false;
-	}
+    if ( ! current_user_can( $capability ) ) {
+        $_wp_submenu_nopriv[ $parent_slug ][ $menu_slug ] = true;
+        return false;
+    }
 
-	/*
+    /*
 	 * If the parent doesn't already have a submenu, add a link to the parent
 	 * as the first item in the submenu. If the submenu file is the same as the
 	 * parent file someone is trying to link back to the parent manually. In
 	 * this case, don't automatically add a link back to avoid duplication.
 	 */
-	if ( ! isset( $submenu[ $parent_slug ] ) && $menu_slug !== $parent_slug ) {
-		foreach ( (array) $menu as $parent_menu ) {
-			if ( $parent_menu[2] === $parent_slug && current_user_can( $parent_menu[1] ) ) {
-				$submenu[ $parent_slug ][] = array_slice( $parent_menu, 0, 4 );
-			}
-		}
-	}
-
-	$new_sub_menu = array( $menu_title, $capability, $menu_slug, $page_title );
-
-	if ( null !== $position && ! is_numeric( $position ) ) {
-		_doing_it_wrong(
-			__FUNCTION__,
-			sprintf(
-				/* translators: %s: add_submenu_page() */
-				__( 'The seventh parameter passed to %s should be numeric representing menu position.' ),
-				'<code>add_submenu_page()</code>'
-			),
-			'5.3.0'
-		);
-		$position = null;
-	}
-
-	if (
-		null === $position ||
-		( ! isset( $submenu[ $parent_slug ] ) || $position >= count( $submenu[ $parent_slug ] ) )
-	) {
-		$submenu[ $parent_slug ][] = $new_sub_menu;
-	} else {
-		// Test for a negative position.
-		$position = max( $position, 0 );
-		if ( 0 === $position ) {
-			// For negative or `0` positions, prepend the submenu.
-			array_unshift( $submenu[ $parent_slug ], $new_sub_menu );
-		} else {
-			// Grab all of the items before the insertion point.
-			$before_items = array_slice( $submenu[ $parent_slug ], 0, $position, true );
-			// Grab all of the items after the insertion point.
-			$after_items = array_slice( $submenu[ $parent_slug ], $position, null, true );
-			// Add the new item.
-			$before_items[] = $new_sub_menu;
-			// Merge the items.
-			$submenu[ $parent_slug ] = array_merge( $before_items, $after_items );
-		}
-	}
-
-	// Sort the parent array.
-	ksort( $submenu[ $parent_slug ] );
-
-	$hookname = get_plugin_page_hookname( $menu_slug, $parent_slug );
-	if ( ! empty( $callback ) && ! empty( $hookname ) ) {
-		add_action( $hookname, $callback );
-	}
-
-	$_registered_pages[ $hookname ] = true;
-
-	/*
+    if ( ! isset( $submenu[ $parent_slug ] ) && $menu_slug !== $parent_slug ) {
+        foreach ( (array) $menu as $parent_menu ) {
+            if ( $parent_menu[2] === $parent_slug && current_user_can( $parent_menu[1] ) ) {
+                $submenu[ $parent_slug ][] = array_slice( $parent_menu, 0, 4 );
+            }
+        }
+    }
+
+    $new_sub_menu = array( $menu_title, $capability, $menu_slug, $page_title );
+
+    if ( null !== $position && ! is_numeric( $position ) ) {
+        _doing_it_wrong(
+            __FUNCTION__,
+            sprintf(
+                /* translators: %s: add_submenu_page() */
+                __( 'The seventh parameter passed to %s should be numeric representing menu position.' ),
+                '<code>add_submenu_page()</code>'
+            ),
+            '5.3.0'
+        );
+        $position = null;
+    }
+
+    if (
+        null === $position ||
+        ( ! isset( $submenu[ $parent_slug ] ) || $position >= count( $submenu[ $parent_slug ] ) )
+    ) {
+        $submenu[ $parent_slug ][] = $new_sub_menu;
+    } else {
+        // Test for a negative position.
+        $position = max( $position, 0 );
+        if ( 0 === $position ) {
+            // For negative or `0` positions, prepend the submenu.
+            array_unshift( $submenu[ $parent_slug ], $new_sub_menu );
+        } else {
+            // Grab all of the items before the insertion point.
+            $before_items = array_slice( $submenu[ $parent_slug ], 0, $position, true );
+            // Grab all of the items after the insertion point.
+            $after_items = array_slice( $submenu[ $parent_slug ], $position, null, true );
+            // Add the new item.
+            $before_items[] = $new_sub_menu;
+            // Merge the items.
+            $submenu[ $parent_slug ] = array_merge( $before_items, $after_items );
+        }
+    }
+
+    // Sort the parent array.
+    ksort( $submenu[ $parent_slug ] );
+
+    $hookname = get_plugin_page_hookname( $menu_slug, $parent_slug );
+    if ( ! empty( $callback ) && ! empty( $hookname ) ) {
+        add_action( $hookname, $callback );
+    }
+
+    $_registered_pages[ $hookname ] = true;
+
+    /*
 	 * Backward-compatibility for plugins using add_management_page().
 	 * See wp-admin/admin.php for redirect from edit.php to tools.php.
 	 */
-	if ( 'tools.php' === $parent_slug ) {
-		$_registered_pages[ get_plugin_page_hookname( $menu_slug, 'edit.php' ) ] = true;
-	}
+    if ( 'tools.php' === $parent_slug ) {
+        $_registered_pages[ get_plugin_page_hookname( $menu_slug, 'edit.php' ) ] = true;
+    }
 
-	// No parent as top level.
-	$_parent_pages[ $menu_slug ] = $parent_slug;
+    // No parent as top level.
+    $_parent_pages[ $menu_slug ] = $parent_slug;
 
-	return $hookname;
+    return $hookname;
 }
 
 /**
@@ -1510,7 +1510,7 @@ 
  * @return string|false The resulting page's hook_suffix, or false if the user does not have the capability required.
  */
 function add_management_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) {
-	return add_submenu_page( 'tools.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
+    return add_submenu_page( 'tools.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
 }
 
 /**
@@ -1534,7 +1534,7 @@ 
  * @return string|false The resulting page's hook_suffix, or false if the user does not have the capability required.
  */
 function add_options_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) {
-	return add_submenu_page( 'options-general.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
+    return add_submenu_page( 'options-general.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
 }
 
 /**
@@ -1558,7 +1558,7 @@ 
  * @return string|false The resulting page's hook_suffix, or false if the user does not have the capability required.
  */
 function add_theme_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) {
-	return add_submenu_page( 'themes.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
+    return add_submenu_page( 'themes.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
 }
 
 /**
@@ -1582,7 +1582,7 @@ 
  * @return string|false The resulting page's hook_suffix, or false if the user does not have the capability required.
  */
 function add_plugins_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) {
-	return add_submenu_page( 'plugins.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
+    return add_submenu_page( 'plugins.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
 }
 
 /**
@@ -1606,12 +1606,12 @@ 
  * @return string|false The resulting page's hook_suffix, or false if the user does not have the capability required.
  */
 function add_users_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) {
-	if ( current_user_can( 'edit_users' ) ) {
-		$parent = 'users.php';
-	} else {
-		$parent = 'profile.php';
-	}
-	return add_submenu_page( $parent, $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
+    if ( current_user_can( 'edit_users' ) ) {
+        $parent = 'users.php';
+    } else {
+        $parent = 'profile.php';
+    }
+    return add_submenu_page( $parent, $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
 }
 
 /**
@@ -1635,7 +1635,7 @@ 
  * @return string|false The resulting page's hook_suffix, or false if the user does not have the capability required.
  */
 function add_dashboard_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) {
-	return add_submenu_page( 'index.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
+    return add_submenu_page( 'index.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
 }
 
 /**
@@ -1659,7 +1659,7 @@ 
  * @return string|false The resulting page's hook_suffix, or false if the user does not have the capability required.
  */
 function add_posts_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) {
-	return add_submenu_page( 'edit.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
+    return add_submenu_page( 'edit.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
 }
 
 /**
@@ -1683,7 +1683,7 @@ 
  * @return string|false The resulting page's hook_suffix, or false if the user does not have the capability required.
  */
 function add_media_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) {
-	return add_submenu_page( 'upload.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
+    return add_submenu_page( 'upload.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
 }
 
 /**
@@ -1707,7 +1707,7 @@ 
  * @return string|false The resulting page's hook_suffix, or false if the user does not have the capability required.
  */
 function add_links_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) {
-	return add_submenu_page( 'link-manager.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
+    return add_submenu_page( 'link-manager.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
 }
 
 /**
@@ -1731,7 +1731,7 @@ 
  * @return string|false The resulting page's hook_suffix, or false if the user does not have the capability required.
  */
 function add_pages_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) {
-	return add_submenu_page( 'edit.php?post_type=page', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
+    return add_submenu_page( 'edit.php?post_type=page', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
 }
 
 /**
@@ -1755,7 +1755,7 @@ 
  * @return string|false The resulting page's hook_suffix, or false if the user does not have the capability required.
  */
 function add_comments_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) {
-	return add_submenu_page( 'edit-comments.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
+    return add_submenu_page( 'edit-comments.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
 }
 
 /**
@@ -1774,16 +1774,16 @@ 
  * @return array|false The removed menu on success, false if not found.
  */
 function remove_menu_page( $menu_slug ) {
-	global $menu;
+    global $menu;
 
-	foreach ( $menu as $i => $item ) {
-		if ( $menu_slug === $item[2] ) {
-			unset( $menu[ $i ] );
-			return $item;
-		}
-	}
+    foreach ( $menu as $i => $item ) {
+        if ( $menu_slug === $item[2] ) {
+            unset( $menu[ $i ] );
+            return $item;
+        }
+    }
 
-	return false;
+    return false;
 }
 
 /**
@@ -1804,20 +1804,20 @@ 
  * @return array|false The removed submenu on success, false if not found.
  */
 function remove_submenu_page( $menu_slug, $submenu_slug ) {
-	global $submenu;
+    global $submenu;
 
-	if ( ! isset( $submenu[ $menu_slug ] ) ) {
-		return false;
-	}
+    if ( ! isset( $submenu[ $menu_slug ] ) ) {
+        return false;
+    }
 
-	foreach ( $submenu[ $menu_slug ] as $i => $item ) {
-		if ( $submenu_slug === $item[2] ) {
-			unset( $submenu[ $menu_slug ][ $i ] );
-			return $item;
-		}
-	}
+    foreach ( $submenu[ $menu_slug ] as $i => $item ) {
+        if ( $submenu_slug === $item[2] ) {
+            unset( $submenu[ $menu_slug ][ $i ] );
+            return $item;
+        }
+    }
 
-	return false;
+    return false;
 }
 
 /**
@@ -1834,27 +1834,27 @@ 
  * @return string The menu page URL.
  */
 function menu_page_url( $menu_slug, $display = true ) {
-	global $_parent_pages;
+    global $_parent_pages;
 
-	if ( isset( $_parent_pages[ $menu_slug ] ) ) {
-		$parent_slug = $_parent_pages[ $menu_slug ];
+    if ( isset( $_parent_pages[ $menu_slug ] ) ) {
+        $parent_slug = $_parent_pages[ $menu_slug ];
 
-		if ( $parent_slug && ! isset( $_parent_pages[ $parent_slug ] ) ) {
-			$url = admin_url( add_query_arg( 'page', $menu_slug, $parent_slug ) );
-		} else {
-			$url = admin_url( 'admin.php?page=' . $menu_slug );
-		}
-	} else {
-		$url = '';
-	}
+        if ( $parent_slug && ! isset( $_parent_pages[ $parent_slug ] ) ) {
+            $url = admin_url( add_query_arg( 'page', $menu_slug, $parent_slug ) );
+        } else {
+            $url = admin_url( 'admin.php?page=' . $menu_slug );
+        }
+    } else {
+        $url = '';
+    }
 
-	$url = esc_url( $url );
+    $url = esc_url( $url );
 
-	if ( $display ) {
-		echo $url;
-	}
+    if ( $display ) {
+        echo $url;
+    }
 
-	return $url;
+    return $url;
 }
 
 //
@@ -1880,75 +1880,75 @@ 
  * @return string The parent file of the current admin page.
  */
 function get_admin_page_parent( $parent_page = '' ) {
-	global $parent_file, $menu, $submenu, $pagenow, $typenow,
-		$plugin_page, $_wp_real_parent_file, $_wp_menu_nopriv, $_wp_submenu_nopriv;
-
-	if ( ! empty( $parent_page ) && 'admin.php' !== $parent_page ) {
-		if ( isset( $_wp_real_parent_file[ $parent_page ] ) ) {
-			$parent_page = $_wp_real_parent_file[ $parent_page ];
-		}
-
-		return $parent_page;
-	}
-
-	if ( 'admin.php' === $pagenow && isset( $plugin_page ) ) {
-		foreach ( (array) $menu as $parent_menu ) {
-			if ( $parent_menu[2] === $plugin_page ) {
-				$parent_file = $plugin_page;
-
-				if ( isset( $_wp_real_parent_file[ $parent_file ] ) ) {
-					$parent_file = $_wp_real_parent_file[ $parent_file ];
-				}
-
-				return $parent_file;
-			}
-		}
-		if ( isset( $_wp_menu_nopriv[ $plugin_page ] ) ) {
-			$parent_file = $plugin_page;
-
-			if ( isset( $_wp_real_parent_file[ $parent_file ] ) ) {
-					$parent_file = $_wp_real_parent_file[ $parent_file ];
-			}
-
-			return $parent_file;
-		}
-	}
-
-	if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[ $pagenow ][ $plugin_page ] ) ) {
-		$parent_file = $pagenow;
-
-		if ( isset( $_wp_real_parent_file[ $parent_file ] ) ) {
-			$parent_file = $_wp_real_parent_file[ $parent_file ];
-		}
-
-		return $parent_file;
-	}
-
-	foreach ( array_keys( (array) $submenu ) as $parent_page ) {
-		foreach ( $submenu[ $parent_page ] as $submenu_array ) {
-			if ( isset( $_wp_real_parent_file[ $parent_page ] ) ) {
-				$parent_page = $_wp_real_parent_file[ $parent_page ];
-			}
-
-			if ( ! empty( $typenow ) && "$pagenow?post_type=$typenow" === $submenu_array[2] ) {
-				$parent_file = $parent_page;
-				return $parent_page;
-			} elseif ( empty( $typenow ) && $pagenow === $submenu_array[2]
-				&& ( empty( $parent_file ) || false === strpos( $parent_file, '?' ) )
-			) {
-				$parent_file = $parent_page;
-				return $parent_page;
-			} elseif ( isset( $plugin_page ) && $plugin_page === $submenu_array[2] ) {
-				$parent_file = $parent_page;
-				return $parent_page;
-			}
-		}
-	}
-
-	if ( empty( $parent_file ) ) {
-		$parent_file = '';
-	}
-	return '';
+    global $parent_file, $menu, $submenu, $pagenow, $typenow,
+        $plugin_page, $_wp_real_parent_file, $_wp_menu_nopriv, $_wp_submenu_nopriv;
+
+    if ( ! empty( $parent_page ) && 'admin.php' !== $parent_page ) {
+        if ( isset( $_wp_real_parent_file[ $parent_page ] ) ) {
+            $parent_page = $_wp_real_parent_file[ $parent_page ];
+        }
+
+        return $parent_page;
+    }
+
+    if ( 'admin.php' === $pagenow && isset( $plugin_page ) ) {
+        foreach ( (array) $menu as $parent_menu ) {
+            if ( $parent_menu[2] === $plugin_page ) {
+                $parent_file = $plugin_page;
+
+                if ( isset( $_wp_real_parent_file[ $parent_file ] ) ) {
+                    $parent_file = $_wp_real_parent_file[ $parent_file ];
+                }
+
+                return $parent_file;
+            }
+        }
+        if ( isset( $_wp_menu_nopriv[ $plugin_page ] ) ) {
+            $parent_file = $plugin_page;
+
+            if ( isset( $_wp_real_parent_file[ $parent_file ] ) ) {
+                    $parent_file = $_wp_real_parent_file[ $parent_file ];
+            }
+
+            return $parent_file;
+        }
+    }
+
+    if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[ $pagenow ][ $plugin_page ] ) ) {
+        $parent_file = $pagenow;
+
+        if ( isset( $_wp_real_parent_file[ $parent_file ] ) ) {
+            $parent_file = $_wp_real_parent_file[ $parent_file ];
+        }
+
+        return $parent_file;
+    }
+
+    foreach ( array_keys( (array) $submenu ) as $parent_page ) {
+        foreach ( $submenu[ $parent_page ] as $submenu_array ) {
+            if ( isset( $_wp_real_parent_file[ $parent_page ] ) ) {
+                $parent_page = $_wp_real_parent_file[ $parent_page ];
+            }
+
+            if ( ! empty( $typenow ) && "$pagenow?post_type=$typenow" === $submenu_array[2] ) {
+                $parent_file = $parent_page;
+                return $parent_page;
+            } elseif ( empty( $typenow ) && $pagenow === $submenu_array[2]
+                && ( empty( $parent_file ) || false === strpos( $parent_file, '?' ) )
+            ) {
+                $parent_file = $parent_page;
+                return $parent_page;
+            } elseif ( isset( $plugin_page ) && $plugin_page === $submenu_array[2] ) {
+                $parent_file = $parent_page;
+                return $parent_page;
+            }
+        }
+    }
+
+    if ( empty( $parent_file ) ) {
+        $parent_file = '';
+    }
+    return '';
 }
 
 /**
@@ -1966,75 +1966,75 @@ 
  * @return string The title of the current admin page.
  */
 function get_admin_page_title() {
-	global $title, $menu, $submenu, $pagenow, $typenow, $plugin_page;
-
-	if ( ! empty( $title ) ) {
-		return $title;
-	}
-
-	$hook = get_plugin_page_hook( $plugin_page, $pagenow );
-
-	$parent  = get_admin_page_parent();
-	$parent1 = $parent;
-
-	if ( empty( $parent ) ) {
-		foreach ( (array) $menu as $menu_array ) {
-			if ( isset( $menu_array[3] ) ) {
-				if ( $menu_array[2] === $pagenow ) {
-					$title = $menu_array[3];
-					return $menu_array[3];
-				} elseif ( isset( $plugin_page ) && $plugin_page === $menu_array[2] && $hook === $menu_array[5] ) {
-					$title = $menu_array[3];
-					return $menu_array[3];
-				}
-			} else {
-				$title = $menu_array[0];
-				return $title;
-			}
-		}
-	} else {
-		foreach ( array_keys( $submenu ) as $parent ) {
-			foreach ( $submenu[ $parent ] as $submenu_array ) {
-				if ( isset( $plugin_page )
-					&& $plugin_page === $submenu_array[2]
-					&& ( $pagenow === $parent
-						|| $plugin_page === $parent
-						|| $plugin_page === $hook
-						|| 'admin.php' === $pagenow && $parent1 !== $submenu_array[2]
-						|| ! empty( $typenow ) && "$pagenow?post_type=$typenow" === $parent )
-					) {
-						$title = $submenu_array[3];
-						return $submenu_array[3];
-				}
-
-				if ( $submenu_array[2] !== $pagenow || isset( $_GET['page'] ) ) { // Not the current page.
-					continue;
-				}
-
-				if ( isset( $submenu_array[3] ) ) {
-					$title = $submenu_array[3];
-					return $submenu_array[3];
-				} else {
-					$title = $submenu_array[0];
-					return $title;
-				}
-			}
-		}
-		if ( empty( $title ) ) {
-			foreach ( $menu as $menu_array ) {
-				if ( isset( $plugin_page )
-					&& $plugin_page === $menu_array[2]
-					&& 'admin.php' === $pagenow
-					&& $parent1 === $menu_array[2]
-				) {
-						$title = $menu_array[3];
-						return $menu_array[3];
-				}
-			}
-		}
-	}
-
-	return $title;
+    global $title, $menu, $submenu, $pagenow, $typenow, $plugin_page;
+
+    if ( ! empty( $title ) ) {
+        return $title;
+    }
+
+    $hook = get_plugin_page_hook( $plugin_page, $pagenow );
+
+    $parent  = get_admin_page_parent();
+    $parent1 = $parent;
+
+    if ( empty( $parent ) ) {
+        foreach ( (array) $menu as $menu_array ) {
+            if ( isset( $menu_array[3] ) ) {
+                if ( $menu_array[2] === $pagenow ) {
+                    $title = $menu_array[3];
+                    return $menu_array[3];
+                } elseif ( isset( $plugin_page ) && $plugin_page === $menu_array[2] && $hook === $menu_array[5] ) {
+                    $title = $menu_array[3];
+                    return $menu_array[3];
+                }
+            } else {
+                $title = $menu_array[0];
+                return $title;
+            }
+        }
+    } else {
+        foreach ( array_keys( $submenu ) as $parent ) {
+            foreach ( $submenu[ $parent ] as $submenu_array ) {
+                if ( isset( $plugin_page )
+                    && $plugin_page === $submenu_array[2]
+                    && ( $pagenow === $parent
+                        || $plugin_page === $parent
+                        || $plugin_page === $hook
+                        || 'admin.php' === $pagenow && $parent1 !== $submenu_array[2]
+                        || ! empty( $typenow ) && "$pagenow?post_type=$typenow" === $parent )
+                    ) {
+                        $title = $submenu_array[3];
+                        return $submenu_array[3];
+                }
+
+                if ( $submenu_array[2] !== $pagenow || isset( $_GET['page'] ) ) { // Not the current page.
+                    continue;
+                }
+
+                if ( isset( $submenu_array[3] ) ) {
+                    $title = $submenu_array[3];
+                    return $submenu_array[3];
+                } else {
+                    $title = $submenu_array[0];
+                    return $title;
+                }
+            }
+        }
+        if ( empty( $title ) ) {
+            foreach ( $menu as $menu_array ) {
+                if ( isset( $plugin_page )
+                    && $plugin_page === $menu_array[2]
+                    && 'admin.php' === $pagenow
+                    && $parent1 === $menu_array[2]
+                ) {
+                        $title = $menu_array[3];
+                        return $menu_array[3];
+                }
+            }
+        }
+    }
+
+    return $title;
 }
 
 /**
@@ -2048,12 +2048,12 @@ 
  * @return string|null Hook attached to the plugin page, null otherwise.
  */
 function get_plugin_page_hook( $plugin_page, $parent_page ) {
-	$hook = get_plugin_page_hookname( $plugin_page, $parent_page );
-	if ( has_action( $hook ) ) {
-		return $hook;
-	} else {
-		return null;
-	}
+    $hook = get_plugin_page_hookname( $plugin_page, $parent_page );
+    if ( has_action( $hook ) ) {
+        return $hook;
+    } else {
+        return null;
+    }
 }
 
 /**
@@ -2069,24 +2069,24 @@ 
  * @return string Hook name for the plugin page.
  */
 function get_plugin_page_hookname( $plugin_page, $parent_page ) {
-	global $admin_page_hooks;
+    global $admin_page_hooks;
 
-	$parent = get_admin_page_parent( $parent_page );
+    $parent = get_admin_page_parent( $parent_page );
 
-	$page_type = 'admin';
-	if ( empty( $parent_page ) || 'admin.php' === $parent_page || isset( $admin_page_hooks[ $plugin_page ] ) ) {
-		if ( isset( $admin_page_hooks[ $plugin_page ] ) ) {
-			$page_type = 'toplevel';
-		} elseif ( isset( $admin_page_hooks[ $parent ] ) ) {
-			$page_type = $admin_page_hooks[ $parent ];
-		}
-	} elseif ( isset( $admin_page_hooks[ $parent ] ) ) {
-		$page_type = $admin_page_hooks[ $parent ];
-	}
+    $page_type = 'admin';
+    if ( empty( $parent_page ) || 'admin.php' === $parent_page || isset( $admin_page_hooks[ $plugin_page ] ) ) {
+        if ( isset( $admin_page_hooks[ $plugin_page ] ) ) {
+            $page_type = 'toplevel';
+        } elseif ( isset( $admin_page_hooks[ $parent ] ) ) {
+            $page_type = $admin_page_hooks[ $parent ];
+        }
+    } elseif ( isset( $admin_page_hooks[ $parent ] ) ) {
+        $page_type = $admin_page_hooks[ $parent ];
+    }
 
-	$plugin_name = preg_replace( '!\.php!', '', $plugin_page );
+    $plugin_name = preg_replace( '!\.php!', '', $plugin_page );
 
-	return $page_type . '_page_' . $plugin_name;
+    return $page_type . '_page_' . $plugin_name;
 }
 
 /**
@@ -2105,74 +2105,74 @@ 
  * @return bool True if the current user can access the admin page, false otherwise.
  */
 function user_can_access_admin_page() {
-	global $pagenow, $menu, $submenu, $_wp_menu_nopriv, $_wp_submenu_nopriv,
-		$plugin_page, $_registered_pages;
-
-	$parent = get_admin_page_parent();
-
-	if ( ! isset( $plugin_page ) && isset( $_wp_submenu_nopriv[ $parent ][ $pagenow ] ) ) {
-		return false;
-	}
-
-	if ( isset( $plugin_page ) ) {
-		if ( isset( $_wp_submenu_nopriv[ $parent ][ $plugin_page ] ) ) {
-			return false;
-		}
-
-		$hookname = get_plugin_page_hookname( $plugin_page, $parent );
-
-		if ( ! isset( $_registered_pages[ $hookname ] ) ) {
-			return false;
-		}
-	}
-
-	if ( empty( $parent ) ) {
-		if ( isset( $_wp_menu_nopriv[ $pagenow ] ) ) {
-			return false;
-		}
-		if ( isset( $_wp_submenu_nopriv[ $pagenow ][ $pagenow ] ) ) {
-			return false;
-		}
-		if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[ $pagenow ][ $plugin_page ] ) ) {
-			return false;
-		}
-		if ( isset( $plugin_page ) && isset( $_wp_menu_nopriv[ $plugin_page ] ) ) {
-			return false;
-		}
-
-		foreach ( array_keys( $_wp_submenu_nopriv ) as $key ) {
-			if ( isset( $_wp_submenu_nopriv[ $key ][ $pagenow ] ) ) {
-				return false;
-			}
-			if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[ $key ][ $plugin_page ] ) ) {
-				return false;
-			}
-		}
-
-		return true;
-	}
-
-	if ( isset( $plugin_page ) && $plugin_page === $parent && isset( $_wp_menu_nopriv[ $plugin_page ] ) ) {
-		return false;
-	}
-
-	if ( isset( $submenu[ $parent ] ) ) {
-		foreach ( $submenu[ $parent ] as $submenu_array ) {
-			if ( isset( $plugin_page ) && $submenu_array[2] === $plugin_page ) {
-				return current_user_can( $submenu_array[1] );
-			} elseif ( $submenu_array[2] === $pagenow ) {
-				return current_user_can( $submenu_array[1] );
-			}
-		}
-	}
-
-	foreach ( $menu as $menu_array ) {
-		if ( $menu_array[2] === $parent ) {
-			return current_user_can( $menu_array[1] );
-		}
-	}
-
-	return true;
+    global $pagenow, $menu, $submenu, $_wp_menu_nopriv, $_wp_submenu_nopriv,
+        $plugin_page, $_registered_pages;
+
+    $parent = get_admin_page_parent();
+
+    if ( ! isset( $plugin_page ) && isset( $_wp_submenu_nopriv[ $parent ][ $pagenow ] ) ) {
+        return false;
+    }
+
+    if ( isset( $plugin_page ) ) {
+        if ( isset( $_wp_submenu_nopriv[ $parent ][ $plugin_page ] ) ) {
+            return false;
+        }
+
+        $hookname = get_plugin_page_hookname( $plugin_page, $parent );
+
+        if ( ! isset( $_registered_pages[ $hookname ] ) ) {
+            return false;
+        }
+    }
+
+    if ( empty( $parent ) ) {
+        if ( isset( $_wp_menu_nopriv[ $pagenow ] ) ) {
+            return false;
+        }
+        if ( isset( $_wp_submenu_nopriv[ $pagenow ][ $pagenow ] ) ) {
+            return false;
+        }
+        if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[ $pagenow ][ $plugin_page ] ) ) {
+            return false;
+        }
+        if ( isset( $plugin_page ) && isset( $_wp_menu_nopriv[ $plugin_page ] ) ) {
+            return false;
+        }
+
+        foreach ( array_keys( $_wp_submenu_nopriv ) as $key ) {
+            if ( isset( $_wp_submenu_nopriv[ $key ][ $pagenow ] ) ) {
+                return false;
+            }
+            if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[ $key ][ $plugin_page ] ) ) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    if ( isset( $plugin_page ) && $plugin_page === $parent && isset( $_wp_menu_nopriv[ $plugin_page ] ) ) {
+        return false;
+    }
+
+    if ( isset( $submenu[ $parent ] ) ) {
+        foreach ( $submenu[ $parent ] as $submenu_array ) {
+            if ( isset( $plugin_page ) && $submenu_array[2] === $plugin_page ) {
+                return current_user_can( $submenu_array[1] );
+            } elseif ( $submenu_array[2] === $pagenow ) {
+                return current_user_can( $submenu_array[1] );
+            }
+        }
+    }
+
+    foreach ( $menu as $menu_array ) {
+        if ( $menu_array[2] === $parent ) {
+            return current_user_can( $menu_array[1] );
+        }
+    }
+
+    return true;
 }
 
 /* Allowed list functions */
@@ -2192,13 +2192,13 @@ 
  * @return array
  */
 function option_update_filter( $options ) {
-	global $new_allowed_options;
+    global $new_allowed_options;
 
-	if ( is_array( $new_allowed_options ) ) {
-		$options = add_allowed_options( $new_allowed_options, $options );
-	}
+    if ( is_array( $new_allowed_options ) ) {
+        $options = add_allowed_options( $new_allowed_options, $options );
+    }
 
-	return $options;
+    return $options;
 }
 
 /**
@@ -2213,27 +2213,27 @@ 
  * @return array
  */
 function add_allowed_options( $new_options, $options = '' ) {
-	if ( '' === $options ) {
-		global $allowed_options;
-	} else {
-		$allowed_options = $options;
-	}
-
-	foreach ( $new_options as $page => $keys ) {
-		foreach ( $keys as $key ) {
-			if ( ! isset( $allowed_options[ $page ] ) || ! is_array( $allowed_options[ $page ] ) ) {
-				$allowed_options[ $page ]   = array();
-				$allowed_options[ $page ][] = $key;
-			} else {
-				$pos = array_search( $key, $allowed_options[ $page ], true );
-				if ( false === $pos ) {
-					$allowed_options[ $page ][] = $key;
-				}
-			}
-		}
-	}
-
-	return $allowed_options;
+    if ( '' === $options ) {
+        global $allowed_options;
+    } else {
+        $allowed_options = $options;
+    }
+
+    foreach ( $new_options as $page => $keys ) {
+        foreach ( $keys as $key ) {
+            if ( ! isset( $allowed_options[ $page ] ) || ! is_array( $allowed_options[ $page ] ) ) {
+                $allowed_options[ $page ]   = array();
+                $allowed_options[ $page ][] = $key;
+            } else {
+                $pos = array_search( $key, $allowed_options[ $page ], true );
+                if ( false === $pos ) {
+                    $allowed_options[ $page ][] = $key;
+                }
+            }
+        }
+    }
+
+    return $allowed_options;
 }
 
 /**
@@ -2248,24 +2248,24 @@ 
  * @return array
  */
 function remove_allowed_options( $del_options, $options = '' ) {
-	if ( '' === $options ) {
-		global $allowed_options;
-	} else {
-		$allowed_options = $options;
-	}
-
-	foreach ( $del_options as $page => $keys ) {
-		foreach ( $keys as $key ) {
-			if ( isset( $allowed_options[ $page ] ) && is_array( $allowed_options[ $page ] ) ) {
-				$pos = array_search( $key, $allowed_options[ $page ], true );
-				if ( false !== $pos ) {
-					unset( $allowed_options[ $page ][ $pos ] );
-				}
-			}
-		}
-	}
-
-	return $allowed_options;
+    if ( '' === $options ) {
+        global $allowed_options;
+    } else {
+        $allowed_options = $options;
+    }
+
+    foreach ( $del_options as $page => $keys ) {
+        foreach ( $keys as $key ) {
+            if ( isset( $allowed_options[ $page ] ) && is_array( $allowed_options[ $page ] ) ) {
+                $pos = array_search( $key, $allowed_options[ $page ], true );
+                if ( false !== $pos ) {
+                    unset( $allowed_options[ $page ][ $pos ] );
+                }
+            }
+        }
+    }
+
+    return $allowed_options;
 }
 
 /**
@@ -2277,9 +2277,9 @@ 
  *                             used in register_setting().
  */
 function settings_fields( $option_group ) {
-	echo "<input type='hidden' name='option_page' value='" . esc_attr( $option_group ) . "' />";
-	echo '<input type="hidden" name="action" value="update" />';
-	wp_nonce_field( "$option_group-options" );
+    echo "<input type='hidden' name='option_page' value='" . esc_attr( $option_group ) . "' />";
+    echo '<input type="hidden" name="action" value="update" />';
+    wp_nonce_field( "$option_group-options" );
 }
 
 /**
@@ -2290,10 +2290,10 @@ 
  * @param bool $clear_update_cache Whether to clear the plugin updates cache. Default true.
  */
 function wp_clean_plugins_cache( $clear_update_cache = true ) {
-	if ( $clear_update_cache ) {
-		delete_site_transient( 'update_plugins' );
-	}
-	wp_cache_delete( 'plugins', 'plugins' );
+    if ( $clear_update_cache ) {
+        delete_site_transient( 'update_plugins' );
+    }
+    wp_cache_delete( 'plugins', 'plugins' );
 }
 
 /**
@@ -2305,12 +2305,12 @@ 
  * @param string $plugin Path to the plugin file relative to the plugins directory.
  */
 function plugin_sandbox_scrape( $plugin ) {
-	if ( ! defined( 'WP_SANDBOX_SCRAPING' ) ) {
-		define( 'WP_SANDBOX_SCRAPING', true );
-	}
+    if ( ! defined( 'WP_SANDBOX_SCRAPING' ) ) {
+        define( 'WP_SANDBOX_SCRAPING', true );
+    }
 
-	wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $plugin );
-	include_once WP_PLUGIN_DIR . '/' . $plugin;
+    wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $plugin );
+    include_once WP_PLUGIN_DIR . '/' . $plugin;
 }
 
 /**
@@ -2340,35 +2340,35 @@ 
  * @param string $policy_text The suggested content for inclusion in the policy.
  */
 function wp_add_privacy_policy_content( $plugin_name, $policy_text ) {
-	if ( ! is_admin() ) {
-		_doing_it_wrong(
-			__FUNCTION__,
-			sprintf(
-				/* translators: %s: admin_init */
-				__( 'The suggested privacy policy content should be added only in wp-admin by using the %s (or later) action.' ),
-				'<code>admin_init</code>'
-			),
-			'4.9.7'
-		);
-		return;
-	} elseif ( ! doing_action( 'admin_init' ) && ! did_action( 'admin_init' ) ) {
-		_doing_it_wrong(
-			__FUNCTION__,
-			sprintf(
-				/* translators: %s: admin_init */
-				__( 'The suggested privacy policy content should be added by using the %s (or later) action. Please see the inline documentation.' ),
-				'<code>admin_init</code>'
-			),
-			'4.9.7'
-		);
-		return;
-	}
-
-	if ( ! class_exists( 'WP_Privacy_Policy_Content' ) ) {
-		require_once ABSPATH . 'wp-admin/includes/class-wp-privacy-policy-content.php';
-	}
-
-	WP_Privacy_Policy_Content::add( $plugin_name, $policy_text );
+    if ( ! is_admin() ) {
+        _doing_it_wrong(
+            __FUNCTION__,
+            sprintf(
+                /* translators: %s: admin_init */
+                __( 'The suggested privacy policy content should be added only in wp-admin by using the %s (or later) action.' ),
+                '<code>admin_init</code>'
+            ),
+            '4.9.7'
+        );
+        return;
+    } elseif ( ! doing_action( 'admin_init' ) && ! did_action( 'admin_init' ) ) {
+        _doing_it_wrong(
+            __FUNCTION__,
+            sprintf(
+                /* translators: %s: admin_init */
+                __( 'The suggested privacy policy content should be added by using the %s (or later) action. Please see the inline documentation.' ),
+                '<code>admin_init</code>'
+            ),
+            '4.9.7'
+        );
+        return;
+    }
+
+    if ( ! class_exists( 'WP_Privacy_Policy_Content' ) ) {
+        require_once ABSPATH . 'wp-admin/includes/class-wp-privacy-policy-content.php';
+    }
+
+    WP_Privacy_Policy_Content::add( $plugin_name, $policy_text );
 }
 
 /**
@@ -2385,17 +2385,17 @@ 
  * @return bool True, if in the list of paused plugins. False, if not in the list.
  */
 function is_plugin_paused( $plugin ) {
-	if ( ! isset( $GLOBALS['_paused_plugins'] ) ) {
-		return false;
-	}
+    if ( ! isset( $GLOBALS['_paused_plugins'] ) ) {
+        return false;
+    }
 
-	if ( ! is_plugin_active( $plugin ) ) {
-		return false;
-	}
+    if ( ! is_plugin_active( $plugin ) ) {
+        return false;
+    }
 
-	list( $plugin ) = explode( '/', $plugin );
+    list( $plugin ) = explode( '/', $plugin );
 
-	return array_key_exists( $plugin, $GLOBALS['_paused_plugins'] );
+    return array_key_exists( $plugin, $GLOBALS['_paused_plugins'] );
 }
 
 /**
@@ -2408,17 +2408,17 @@ 
  *                     or false if none was recorded.
  */
 function wp_get_plugin_error( $plugin ) {
-	if ( ! isset( $GLOBALS['_paused_plugins'] ) ) {
-		return false;
-	}
+    if ( ! isset( $GLOBALS['_paused_plugins'] ) ) {
+        return false;
+    }
 
-	list( $plugin ) = explode( '/', $plugin );
+    list( $plugin ) = explode( '/', $plugin );
 
-	if ( ! array_key_exists( $plugin, $GLOBALS['_paused_plugins'] ) ) {
-		return false;
-	}
+    if ( ! array_key_exists( $plugin, $GLOBALS['_paused_plugins'] ) ) {
+        return false;
+    }
 
-	return $GLOBALS['_paused_plugins'][ $plugin ];
+    return $GLOBALS['_paused_plugins'][ $plugin ];
 }
 
 /**
@@ -2439,37 +2439,37 @@ 
  *                       `WP_Error` on failure.
  */
 function resume_plugin( $plugin, $redirect = '' ) {
-	/*
+    /*
 	 * We'll override this later if the plugin could be resumed without
 	 * creating a fatal error.
 	 */
-	if ( ! empty( $redirect ) ) {
-		wp_redirect(
-			add_query_arg(
-				'_error_nonce',
-				wp_create_nonce( 'plugin-resume-error_' . $plugin ),
-				$redirect
-			)
-		);
-
-		// Load the plugin to test whether it throws a fatal error.
-		ob_start();
-		plugin_sandbox_scrape( $plugin );
-		ob_clean();
-	}
-
-	list( $extension ) = explode( '/', $plugin );
-
-	$result = wp_paused_plugins()->delete( $extension );
-
-	if ( ! $result ) {
-		return new WP_Error(
-			'could_not_resume_plugin',
-			__( 'Could not resume the plugin.' )
-		);
-	}
-
-	return true;
+    if ( ! empty( $redirect ) ) {
+        wp_redirect(
+            add_query_arg(
+                '_error_nonce',
+                wp_create_nonce( 'plugin-resume-error_' . $plugin ),
+                $redirect
+            )
+        );
+
+        // Load the plugin to test whether it throws a fatal error.
+        ob_start();
+        plugin_sandbox_scrape( $plugin );
+        ob_clean();
+    }
+
+    list( $extension ) = explode( '/', $plugin );
+
+    $result = wp_paused_plugins()->delete( $extension );
+
+    if ( ! $result ) {
+        return new WP_Error(
+            'could_not_resume_plugin',
+            __( 'Could not resume the plugin.' )
+        );
+    }
+
+    return true;
 }
 
 /**
@@ -2480,25 +2480,25 @@ 
  * @global string $pagenow The filename of the current screen.
  */
 function paused_plugins_notice() {
-	if ( 'plugins.php' === $GLOBALS['pagenow'] ) {
-		return;
-	}
-
-	if ( ! current_user_can( 'resume_plugins' ) ) {
-		return;
-	}
-
-	if ( ! isset( $GLOBALS['_paused_plugins'] ) || empty( $GLOBALS['_paused_plugins'] ) ) {
-		return;
-	}
-
-	printf(
-		'<div class="notice notice-error"><p><strong>%s</strong><br>%s</p><p><a href="%s">%s</a></p></div>',
-		__( 'One or more plugins failed to load properly.' ),
-		__( 'You can find more details and make changes on the Plugins screen.' ),
-		esc_url( admin_url( 'plugins.php?plugin_status=paused' ) ),
-		__( 'Go to the Plugins screen' )
-	);
+    if ( 'plugins.php' === $GLOBALS['pagenow'] ) {
+        return;
+    }
+
+    if ( ! current_user_can( 'resume_plugins' ) ) {
+        return;
+    }
+
+    if ( ! isset( $GLOBALS['_paused_plugins'] ) || empty( $GLOBALS['_paused_plugins'] ) ) {
+        return;
+    }
+
+    printf(
+        '<div class="notice notice-error"><p><strong>%s</strong><br>%s</p><p><a href="%s">%s</a></p></div>',
+        __( 'One or more plugins failed to load properly.' ),
+        __( 'You can find more details and make changes on the Plugins screen.' ),
+        esc_url( admin_url( 'plugins.php?plugin_status=paused' ) ),
+        __( 'Go to the Plugins screen' )
+    );
 }
 
 /**
@@ -2514,74 +2514,74 @@ 
  * @global string $wp_version The WordPress version string.
  */
 function deactivated_plugins_notice() {
-	if ( 'plugins.php' === $GLOBALS['pagenow'] ) {
-		return;
-	}
-
-	if ( ! current_user_can( 'activate_plugins' ) ) {
-		return;
-	}
-
-	$blog_deactivated_plugins = get_option( 'wp_force_deactivated_plugins' );
-	$site_deactivated_plugins = array();
-
-	if ( false === $blog_deactivated_plugins ) {
-		// Option not in database, add an empty array to avoid extra DB queries on subsequent loads.
-		update_option( 'wp_force_deactivated_plugins', array() );
-	}
-
-	if ( is_multisite() ) {
-		$site_deactivated_plugins = get_site_option( 'wp_force_deactivated_plugins' );
-		if ( false === $site_deactivated_plugins ) {
-			// Option not in database, add an empty array to avoid extra DB queries on subsequent loads.
-			update_site_option( 'wp_force_deactivated_plugins', array() );
-		}
-	}
-
-	if ( empty( $blog_deactivated_plugins ) && empty( $site_deactivated_plugins ) ) {
-		// No deactivated plugins.
-		return;
-	}
-
-	$deactivated_plugins = array_merge( $blog_deactivated_plugins, $site_deactivated_plugins );
-
-	foreach ( $deactivated_plugins as $plugin ) {
-		if ( ! empty( $plugin['version_compatible'] ) && ! empty( $plugin['version_deactivated'] ) ) {
-			$explanation = sprintf(
-				/* translators: 1: Name of deactivated plugin, 2: Plugin version deactivated, 3: Current WP version, 4: Compatible plugin version. */
-				__( '%1$s %2$s was deactivated due to incompatibility with WordPress %3$s, please upgrade to %1$s %4$s or later.' ),
-				$plugin['plugin_name'],
-				$plugin['version_deactivated'],
-				$GLOBALS['wp_version'],
-				$plugin['version_compatible']
-			);
-		} else {
-			$explanation = sprintf(
-				/* translators: 1: Name of deactivated plugin, 2: Plugin version deactivated, 3: Current WP version. */
-				__( '%1$s %2$s was deactivated due to incompatibility with WordPress %3$s.' ),
-				$plugin['plugin_name'],
-				! empty( $plugin['version_deactivated'] ) ? $plugin['version_deactivated'] : '',
-				$GLOBALS['wp_version'],
-				$plugin['version_compatible']
-			);
-		}
-
-		printf(
-			'<div class="notice notice-warning"><p><strong>%s</strong><br>%s</p><p><a href="%s">%s</a></p></div>',
-			sprintf(
-				/* translators: %s: Name of deactivated plugin. */
-				__( '%s plugin deactivated during WordPress upgrade.' ),
-				$plugin['plugin_name']
-			),
-			$explanation,
-			esc_url( admin_url( 'plugins.php?plugin_status=inactive' ) ),
-			__( 'Go to the Plugins screen' )
-		);
-	}
-
-	// Empty the options.
-	update_option( 'wp_force_deactivated_plugins', array() );
-	if ( is_multisite() ) {
-		update_site_option( 'wp_force_deactivated_plugins', array() );
-	}
+    if ( 'plugins.php' === $GLOBALS['pagenow'] ) {
+        return;
+    }
+
+    if ( ! current_user_can( 'activate_plugins' ) ) {
+        return;
+    }
+
+    $blog_deactivated_plugins = get_option( 'wp_force_deactivated_plugins' );
+    $site_deactivated_plugins = array();
+
+    if ( false === $blog_deactivated_plugins ) {
+        // Option not in database, add an empty array to avoid extra DB queries on subsequent loads.
+        update_option( 'wp_force_deactivated_plugins', array() );
+    }
+
+    if ( is_multisite() ) {
+        $site_deactivated_plugins = get_site_option( 'wp_force_deactivated_plugins' );
+        if ( false === $site_deactivated_plugins ) {
+            // Option not in database, add an empty array to avoid extra DB queries on subsequent loads.
+            update_site_option( 'wp_force_deactivated_plugins', array() );
+        }
+    }
+
+    if ( empty( $blog_deactivated_plugins ) && empty( $site_deactivated_plugins ) ) {
+        // No deactivated plugins.
+        return;
+    }
+
+    $deactivated_plugins = array_merge( $blog_deactivated_plugins, $site_deactivated_plugins );
+
+    foreach ( $deactivated_plugins as $plugin ) {
+        if ( ! empty( $plugin['version_compatible'] ) && ! empty( $plugin['version_deactivated'] ) ) {
+            $explanation = sprintf(
+                /* translators: 1: Name of deactivated plugin, 2: Plugin version deactivated, 3: Current WP version, 4: Compatible plugin version. */
+                __( '%1$s %2$s was deactivated due to incompatibility with WordPress %3$s, please upgrade to %1$s %4$s or later.' ),
+                $plugin['plugin_name'],
+                $plugin['version_deactivated'],
+                $GLOBALS['wp_version'],
+                $plugin['version_compatible']
+            );
+        } else {
+            $explanation = sprintf(
+                /* translators: 1: Name of deactivated plugin, 2: Plugin version deactivated, 3: Current WP version. */
+                __( '%1$s %2$s was deactivated due to incompatibility with WordPress %3$s.' ),
+                $plugin['plugin_name'],
+                ! empty( $plugin['version_deactivated'] ) ? $plugin['version_deactivated'] : '',
+                $GLOBALS['wp_version'],
+                $plugin['version_compatible']
+            );
+        }
+
+        printf(
+            '<div class="notice notice-warning"><p><strong>%s</strong><br>%s</p><p><a href="%s">%s</a></p></div>',
+            sprintf(
+                /* translators: %s: Name of deactivated plugin. */
+                __( '%s plugin deactivated during WordPress upgrade.' ),
+                $plugin['plugin_name']
+            ),
+            $explanation,
+            esc_url( admin_url( 'plugins.php?plugin_status=inactive' ) ),
+            __( 'Go to the Plugins screen' )
+        );
+    }
+
+    // Empty the options.
+    update_option( 'wp_force_deactivated_plugins', array() );
+    if ( is_multisite() ) {
+        update_site_option( 'wp_force_deactivated_plugins', array() );
+    }
 }

brighty/wp-admin/includes/class-wp-screen.php

Indentation +1231 added lines, -1231 removed lines

@@ -13,859 +13,859 @@ 
  * @since 3.3.0
  */
 final class WP_Screen {
-	/**
-	 * Any action associated with the screen.
-	 *
-	 * 'add' for *-add.php and *-new.php screens. Empty otherwise.
-	 *
-	 * @since 3.3.0
-	 * @var string
-	 */
-	public $action;
-
-	/**
-	 * The base type of the screen.
-	 *
-	 * This is typically the same as `$id` but with any post types and taxonomies stripped.
-	 * For example, for an `$id` of 'edit-post' the base is 'edit'.
-	 *
-	 * @since 3.3.0
-	 * @var string
-	 */
-	public $base;
-
-	/**
-	 * The number of columns to display. Access with get_columns().
-	 *
-	 * @since 3.4.0
-	 * @var int
-	 */
-	private $columns = 0;
-
-	/**
-	 * The unique ID of the screen.
-	 *
-	 * @since 3.3.0
-	 * @var string
-	 */
-	public $id;
-
-	/**
-	 * Which admin the screen is in. network | user | site | false
-	 *
-	 * @since 3.5.0
-	 * @var string
-	 */
-	protected $in_admin;
-
-	/**
-	 * Whether the screen is in the network admin.
-	 *
-	 * Deprecated. Use in_admin() instead.
-	 *
-	 * @since 3.3.0
-	 * @deprecated 3.5.0
-	 * @var bool
-	 */
-	public $is_network;
-
-	/**
-	 * Whether the screen is in the user admin.
-	 *
-	 * Deprecated. Use in_admin() instead.
-	 *
-	 * @since 3.3.0
-	 * @deprecated 3.5.0
-	 * @var bool
-	 */
-	public $is_user;
-
-	/**
-	 * The base menu parent.
-	 *
-	 * This is derived from `$parent_file` by removing the query string and any .php extension.
-	 * `$parent_file` values of 'edit.php?post_type=page' and 'edit.php?post_type=post'
-	 * have a `$parent_base` of 'edit'.
-	 *
-	 * @since 3.3.0
-	 * @var string
-	 */
-	public $parent_base;
-
-	/**
-	 * The parent_file for the screen per the admin menu system.
-	 *
-	 * Some `$parent_file` values are 'edit.php?post_type=page', 'edit.php', and 'options-general.php'.
-	 *
-	 * @since 3.3.0
-	 * @var string
-	 */
-	public $parent_file;
-
-	/**
-	 * The post type associated with the screen, if any.
-	 *
-	 * The 'edit.php?post_type=page' screen has a post type of 'page'.
-	 * The 'edit-tags.php?taxonomy=$taxonomy&post_type=page' screen has a post type of 'page'.
-	 *
-	 * @since 3.3.0
-	 * @var string
-	 */
-	public $post_type;
-
-	/**
-	 * The taxonomy associated with the screen, if any.
-	 *
-	 * The 'edit-tags.php?taxonomy=category' screen has a taxonomy of 'category'.
-	 *
-	 * @since 3.3.0
-	 * @var string
-	 */
-	public $taxonomy;
-
-	/**
-	 * The help tab data associated with the screen, if any.
-	 *
-	 * @since 3.3.0
-	 * @var array
-	 */
-	private $_help_tabs = array();
-
-	/**
-	 * The help sidebar data associated with screen, if any.
-	 *
-	 * @since 3.3.0
-	 * @var string
-	 */
-	private $_help_sidebar = '';
-
-	/**
-	 * The accessible hidden headings and text associated with the screen, if any.
-	 *
-	 * @since 4.4.0
-	 * @var array
-	 */
-	private $_screen_reader_content = array();
-
-	/**
-	 * Stores old string-based help.
-	 *
-	 * @var array
-	 */
-	private static $_old_compat_help = array();
-
-	/**
-	 * The screen options associated with screen, if any.
-	 *
-	 * @since 3.3.0
-	 * @var array
-	 */
-	private $_options = array();
-
-	/**
-	 * The screen object registry.
-	 *
-	 * @since 3.3.0
-	 *
-	 * @var array
-	 */
-	private static $_registry = array();
-
-	/**
-	 * Stores the result of the public show_screen_options function.
-	 *
-	 * @since 3.3.0
-	 * @var bool
-	 */
-	private $_show_screen_options;
-
-	/**
-	 * Stores the 'screen_settings' section of screen options.
-	 *
-	 * @since 3.3.0
-	 * @var string
-	 */
-	private $_screen_settings;
-
-	/**
-	 * Whether the screen is using the block editor.
-	 *
-	 * @since 5.0.0
-	 * @var bool
-	 */
-	public $is_block_editor = false;
-
-	/**
-	 * Fetches a screen object.
-	 *
-	 * @since 3.3.0
-	 *
-	 * @global string $hook_suffix
-	 *
-	 * @param string|WP_Screen $hook_name Optional. The hook name (also known as the hook suffix) used to determine the screen.
-	 *                                    Defaults to the current $hook_suffix global.
-	 * @return WP_Screen Screen object.
-	 */
-	public static function get( $hook_name = '' ) {
-		if ( $hook_name instanceof WP_Screen ) {
-			return $hook_name;
-		}
-
-		$post_type       = null;
-		$taxonomy        = null;
-		$in_admin        = false;
-		$action          = '';
-		$is_block_editor = false;
-
-		if ( $hook_name ) {
-			$id = $hook_name;
-		} else {
-			$id = $GLOBALS['hook_suffix'];
-		}
-
-		// For those pesky meta boxes.
-		if ( $hook_name && post_type_exists( $hook_name ) ) {
-			$post_type = $id;
-			$id        = 'post'; // Changes later. Ends up being $base.
-		} else {
-			if ( '.php' === substr( $id, -4 ) ) {
-				$id = substr( $id, 0, -4 );
-			}
-
-			if ( in_array( $id, array( 'post-new', 'link-add', 'media-new', 'user-new' ), true ) ) {
-				$id     = substr( $id, 0, -4 );
-				$action = 'add';
-			}
-		}
-
-		if ( ! $post_type && $hook_name ) {
-			if ( '-network' === substr( $id, -8 ) ) {
-				$id       = substr( $id, 0, -8 );
-				$in_admin = 'network';
-			} elseif ( '-user' === substr( $id, -5 ) ) {
-				$id       = substr( $id, 0, -5 );
-				$in_admin = 'user';
-			}
-
-			$id = sanitize_key( $id );
-			if ( 'edit-comments' !== $id && 'edit-tags' !== $id && 'edit-' === substr( $id, 0, 5 ) ) {
-				$maybe = substr( $id, 5 );
-				if ( taxonomy_exists( $maybe ) ) {
-					$id       = 'edit-tags';
-					$taxonomy = $maybe;
-				} elseif ( post_type_exists( $maybe ) ) {
-					$id        = 'edit';
-					$post_type = $maybe;
-				}
-			}
-
-			if ( ! $in_admin ) {
-				$in_admin = 'site';
-			}
-		} else {
-			if ( defined( 'WP_NETWORK_ADMIN' ) && WP_NETWORK_ADMIN ) {
-				$in_admin = 'network';
-			} elseif ( defined( 'WP_USER_ADMIN' ) && WP_USER_ADMIN ) {
-				$in_admin = 'user';
-			} else {
-				$in_admin = 'site';
-			}
-		}
-
-		if ( 'index' === $id ) {
-			$id = 'dashboard';
-		} elseif ( 'front' === $id ) {
-			$in_admin = false;
-		}
-
-		$base = $id;
-
-		// If this is the current screen, see if we can be more accurate for post types and taxonomies.
-		if ( ! $hook_name ) {
-			if ( isset( $_REQUEST['post_type'] ) ) {
-				$post_type = post_type_exists( $_REQUEST['post_type'] ) ? $_REQUEST['post_type'] : false;
-			}
-			if ( isset( $_REQUEST['taxonomy'] ) ) {
-				$taxonomy = taxonomy_exists( $_REQUEST['taxonomy'] ) ? $_REQUEST['taxonomy'] : false;
-			}
-
-			switch ( $base ) {
-				case 'post':
-					if ( isset( $_GET['post'] ) && isset( $_POST['post_ID'] ) && (int) $_GET['post'] !== (int) $_POST['post_ID'] ) {
-						wp_die( __( 'A post ID mismatch has been detected.' ), __( 'Sorry, you are not allowed to edit this item.' ), 400 );
-					} elseif ( isset( $_GET['post'] ) ) {
-						$post_id = (int) $_GET['post'];
-					} elseif ( isset( $_POST['post_ID'] ) ) {
-						$post_id = (int) $_POST['post_ID'];
-					} else {
-						$post_id = 0;
-					}
-
-					if ( $post_id ) {
-						$post = get_post( $post_id );
-						if ( $post ) {
-							$post_type = $post->post_type;
-
-							/** This filter is documented in wp-admin/post.php */
-							$replace_editor = apply_filters( 'replace_editor', false, $post );
-
-							if ( ! $replace_editor ) {
-								$is_block_editor = use_block_editor_for_post( $post );
-							}
-						}
-					}
-					break;
-				case 'edit-tags':
-				case 'term':
-					if ( null === $post_type && is_object_in_taxonomy( 'post', $taxonomy ? $taxonomy : 'post_tag' ) ) {
-						$post_type = 'post';
-					}
-					break;
-				case 'upload':
-					$post_type = 'attachment';
-					break;
-			}
-		}
-
-		switch ( $base ) {
-			case 'post':
-				if ( null === $post_type ) {
-					$post_type = 'post';
-				}
-
-				// When creating a new post, use the default block editor support value for the post type.
-				if ( empty( $post_id ) ) {
-					$is_block_editor = use_block_editor_for_post_type( $post_type );
-				}
-
-				$id = $post_type;
-				break;
-			case 'edit':
-				if ( null === $post_type ) {
-					$post_type = 'post';
-				}
-				$id .= '-' . $post_type;
-				break;
-			case 'edit-tags':
-			case 'term':
-				if ( null === $taxonomy ) {
-					$taxonomy = 'post_tag';
-				}
-				// The edit-tags ID does not contain the post type. Look for it in the request.
-				if ( null === $post_type ) {
-					$post_type = 'post';
-					if ( isset( $_REQUEST['post_type'] ) && post_type_exists( $_REQUEST['post_type'] ) ) {
-						$post_type = $_REQUEST['post_type'];
-					}
-				}
-
-				$id = 'edit-' . $taxonomy;
-				break;
-		}
-
-		if ( 'network' === $in_admin ) {
-			$id   .= '-network';
-			$base .= '-network';
-		} elseif ( 'user' === $in_admin ) {
-			$id   .= '-user';
-			$base .= '-user';
-		}
-
-		if ( isset( self::$_registry[ $id ] ) ) {
-			$screen = self::$_registry[ $id ];
-			if ( get_current_screen() === $screen ) {
-				return $screen;
-			}
-		} else {
-			$screen     = new self();
-			$screen->id = $id;
-		}
-
-		$screen->base            = $base;
-		$screen->action          = $action;
-		$screen->post_type       = (string) $post_type;
-		$screen->taxonomy        = (string) $taxonomy;
-		$screen->is_user         = ( 'user' === $in_admin );
-		$screen->is_network      = ( 'network' === $in_admin );
-		$screen->in_admin        = $in_admin;
-		$screen->is_block_editor = $is_block_editor;
-
-		self::$_registry[ $id ] = $screen;
-
-		return $screen;
-	}
-
-	/**
-	 * Makes the screen object the current screen.
-	 *
-	 * @see set_current_screen()
-	 * @since 3.3.0
-	 *
-	 * @global WP_Screen $current_screen WordPress current screen object.
-	 * @global string    $typenow        The post type of the current screen.
-	 * @global string    $taxnow         The taxonomy of the current screen.
-	 */
-	public function set_current_screen() {
-		global $current_screen, $taxnow, $typenow;
-
-		$current_screen = $this;
-		$typenow        = $this->post_type;
-		$taxnow         = $this->taxonomy;
-
-		/**
-		 * Fires after the current screen has been set.
-		 *
-		 * @since 3.0.0
-		 *
-		 * @param WP_Screen $current_screen Current WP_Screen object.
-		 */
-		do_action( 'current_screen', $current_screen );
-	}
-
-	/**
-	 * Constructor
-	 *
-	 * @since 3.3.0
-	 */
-	private function __construct() {}
-
-	/**
-	 * Indicates whether the screen is in a particular admin
-	 *
-	 * @since 3.5.0
-	 *
-	 * @param string $admin The admin to check against (network | user | site).
-	 *                      If empty any of the three admins will result in true.
-	 * @return bool True if the screen is in the indicated admin, false otherwise.
-	 */
-	public function in_admin( $admin = null ) {
-		if ( empty( $admin ) ) {
-			return (bool) $this->in_admin;
-		}
-
-		return ( $admin === $this->in_admin );
-	}
-
-	/**
-	 * Sets or returns whether the block editor is loading on the current screen.
-	 *
-	 * @since 5.0.0
-	 *
-	 * @param bool $set Optional. Sets whether the block editor is loading on the current screen or not.
-	 * @return bool True if the block editor is being loaded, false otherwise.
-	 */
-	public function is_block_editor( $set = null ) {
-		if ( null !== $set ) {
-			$this->is_block_editor = (bool) $set;
-		}
-
-		return $this->is_block_editor;
-	}
-
-	/**
-	 * Sets the old string-based contextual help for the screen for backward compatibility.
-	 *
-	 * @since 3.3.0
-	 *
-	 * @param WP_Screen $screen A screen object.
-	 * @param string    $help   Help text.
-	 */
-	public static function add_old_compat_help( $screen, $help ) {
-		self::$_old_compat_help[ $screen->id ] = $help;
-	}
-
-	/**
-	 * Set the parent information for the screen.
-	 *
-	 * This is called in admin-header.php after the menu parent for the screen has been determined.
-	 *
-	 * @since 3.3.0
-	 *
-	 * @param string $parent_file The parent file of the screen. Typically the $parent_file global.
-	 */
-	public function set_parentage( $parent_file ) {
-		$this->parent_file         = $parent_file;
-		list( $this->parent_base ) = explode( '?', $parent_file );
-		$this->parent_base         = str_replace( '.php', '', $this->parent_base );
-	}
-
-	/**
-	 * Adds an option for the screen.
-	 *
-	 * Call this in template files after admin.php is loaded and before admin-header.php is loaded
-	 * to add screen options.
-	 *
-	 * @since 3.3.0
-	 *
-	 * @param string $option Option ID.
-	 * @param mixed  $args   Option-dependent arguments.
-	 */
-	public function add_option( $option, $args = array() ) {
-		$this->_options[ $option ] = $args;
-	}
-
-	/**
-	 * Remove an option from the screen.
-	 *
-	 * @since 3.8.0
-	 *
-	 * @param string $option Option ID.
-	 */
-	public function remove_option( $option ) {
-		unset( $this->_options[ $option ] );
-	}
-
-	/**
-	 * Remove all options from the screen.
-	 *
-	 * @since 3.8.0
-	 */
-	public function remove_options() {
-		$this->_options = array();
-	}
-
-	/**
-	 * Get the options registered for the screen.
-	 *
-	 * @since 3.8.0
-	 *
-	 * @return array Options with arguments.
-	 */
-	public function get_options() {
-		return $this->_options;
-	}
-
-	/**
-	 * Gets the arguments for an option for the screen.
-	 *
-	 * @since 3.3.0
-	 *
-	 * @param string       $option Option name.
-	 * @param string|false $key    Optional. Specific array key for when the option is an array.
-	 *                             Default false.
-	 * @return string The option value if set, null otherwise.
-	 */
-	public function get_option( $option, $key = false ) {
-		if ( ! isset( $this->_options[ $option ] ) ) {
-			return null;
-		}
-		if ( $key ) {
-			if ( isset( $this->_options[ $option ][ $key ] ) ) {
-				return $this->_options[ $option ][ $key ];
-			}
-			return null;
-		}
-		return $this->_options[ $option ];
-	}
-
-	/**
-	 * Gets the help tabs registered for the screen.
-	 *
-	 * @since 3.4.0
-	 * @since 4.4.0 Help tabs are ordered by their priority.
-	 *
-	 * @return array Help tabs with arguments.
-	 */
-	public function get_help_tabs() {
-		$help_tabs = $this->_help_tabs;
-
-		$priorities = array();
-		foreach ( $help_tabs as $help_tab ) {
-			if ( isset( $priorities[ $help_tab['priority'] ] ) ) {
-				$priorities[ $help_tab['priority'] ][] = $help_tab;
-			} else {
-				$priorities[ $help_tab['priority'] ] = array( $help_tab );
-			}
-		}
-
-		ksort( $priorities );
-
-		$sorted = array();
-		foreach ( $priorities as $list ) {
-			foreach ( $list as $tab ) {
-				$sorted[ $tab['id'] ] = $tab;
-			}
-		}
-
-		return $sorted;
-	}
-
-	/**
-	 * Gets the arguments for a help tab.
-	 *
-	 * @since 3.4.0
-	 *
-	 * @param string $id Help Tab ID.
-	 * @return array Help tab arguments.
-	 */
-	public function get_help_tab( $id ) {
-		if ( ! isset( $this->_help_tabs[ $id ] ) ) {
-			return null;
-		}
-		return $this->_help_tabs[ $id ];
-	}
-
-	/**
-	 * Add a help tab to the contextual help for the screen.
-	 *
-	 * Call this on the `load-$pagenow` hook for the relevant screen,
-	 * or fetch the `$current_screen` object, or use get_current_screen()
-	 * and then call the method from the object.
-	 *
-	 * You may need to filter `$current_screen` using an if or switch statement
-	 * to prevent new help tabs from being added to ALL admin screens.
-	 *
-	 * @since 3.3.0
-	 * @since 4.4.0 The `$priority` argument was added.
-	 *
-	 * @param array $args {
-	 *     Array of arguments used to display the help tab.
-	 *
-	 *     @type string   $title    Title for the tab. Default false.
-	 *     @type string   $id       Tab ID. Must be HTML-safe and should be unique for this menu.
-	 *                              It is NOT allowed to contain any empty spaces. Default false.
-	 *     @type string   $content  Optional. Help tab content in plain text or HTML. Default empty string.
-	 *     @type callable $callback Optional. A callback to generate the tab content. Default false.
-	 *     @type int      $priority Optional. The priority of the tab, used for ordering. Default 10.
-	 * }
-	 */
-	public function add_help_tab( $args ) {
-		$defaults = array(
-			'title'    => false,
-			'id'       => false,
-			'content'  => '',
-			'callback' => false,
-			'priority' => 10,
-		);
-		$args     = wp_parse_args( $args, $defaults );
-
-		$args['id'] = sanitize_html_class( $args['id'] );
-
-		// Ensure we have an ID and title.
-		if ( ! $args['id'] || ! $args['title'] ) {
-			return;
-		}
-
-		// Allows for overriding an existing tab with that ID.
-		$this->_help_tabs[ $args['id'] ] = $args;
-	}
-
-	/**
-	 * Removes a help tab from the contextual help for the screen.
-	 *
-	 * @since 3.3.0
-	 *
-	 * @param string $id The help tab ID.
-	 */
-	public function remove_help_tab( $id ) {
-		unset( $this->_help_tabs[ $id ] );
-	}
-
-	/**
-	 * Removes all help tabs from the contextual help for the screen.
-	 *
-	 * @since 3.3.0
-	 */
-	public function remove_help_tabs() {
-		$this->_help_tabs = array();
-	}
-
-	/**
-	 * Gets the content from a contextual help sidebar.
-	 *
-	 * @since 3.4.0
-	 *
-	 * @return string Contents of the help sidebar.
-	 */
-	public function get_help_sidebar() {
-		return $this->_help_sidebar;
-	}
-
-	/**
-	 * Add a sidebar to the contextual help for the screen.
-	 *
-	 * Call this in template files after admin.php is loaded and before admin-header.php is loaded
-	 * to add a sidebar to the contextual help.
-	 *
-	 * @since 3.3.0
-	 *
-	 * @param string $content Sidebar content in plain text or HTML.
-	 */
-	public function set_help_sidebar( $content ) {
-		$this->_help_sidebar = $content;
-	}
-
-	/**
-	 * Gets the number of layout columns the user has selected.
-	 *
-	 * The layout_columns option controls the max number and default number of
-	 * columns. This method returns the number of columns within that range selected
-	 * by the user via Screen Options. If no selection has been made, the default
-	 * provisioned in layout_columns is returned. If the screen does not support
-	 * selecting the number of layout columns, 0 is returned.
-	 *
-	 * @since 3.4.0
-	 *
-	 * @return int Number of columns to display.
-	 */
-	public function get_columns() {
-		return $this->columns;
-	}
-
-	/**
-	 * Get the accessible hidden headings and text used in the screen.
-	 *
-	 * @since 4.4.0
-	 *
-	 * @see set_screen_reader_content() For more information on the array format.
-	 *
-	 * @return array An associative array of screen reader text strings.
-	 */
-	public function get_screen_reader_content() {
-		return $this->_screen_reader_content;
-	}
-
-	/**
-	 * Get a screen reader text string.
-	 *
-	 * @since 4.4.0
-	 *
-	 * @param string $key Screen reader text array named key.
-	 * @return string Screen reader text string.
-	 */
-	public function get_screen_reader_text( $key ) {
-		if ( ! isset( $this->_screen_reader_content[ $key ] ) ) {
-			return null;
-		}
-		return $this->_screen_reader_content[ $key ];
-	}
-
-	/**
-	 * Add accessible hidden headings and text for the screen.
-	 *
-	 * @since 4.4.0
-	 *
-	 * @param array $content {
-	 *     An associative array of screen reader text strings.
-	 *
-	 *     @type string $heading_views      Screen reader text for the filter links heading.
-	 *                                      Default 'Filter items list'.
-	 *     @type string $heading_pagination Screen reader text for the pagination heading.
-	 *                                      Default 'Items list navigation'.
-	 *     @type string $heading_list       Screen reader text for the items list heading.
-	 *                                      Default 'Items list'.
-	 * }
-	 */
-	public function set_screen_reader_content( $content = array() ) {
-		$defaults = array(
-			'heading_views'      => __( 'Filter items list' ),
-			'heading_pagination' => __( 'Items list navigation' ),
-			'heading_list'       => __( 'Items list' ),
-		);
-		$content  = wp_parse_args( $content, $defaults );
-
-		$this->_screen_reader_content = $content;
-	}
-
-	/**
-	 * Remove all the accessible hidden headings and text for the screen.
-	 *
-	 * @since 4.4.0
-	 */
-	public function remove_screen_reader_content() {
-		$this->_screen_reader_content = array();
-	}
-
-	/**
-	 * Render the screen's help section.
-	 *
-	 * This will trigger the deprecated filters for backward compatibility.
-	 *
-	 * @since 3.3.0
-	 *
-	 * @global string $screen_layout_columns
-	 */
-	public function render_screen_meta() {
-
-		/**
-		 * Filters the legacy contextual help list.
-		 *
-		 * @since 2.7.0
-		 * @deprecated 3.3.0 Use {@see get_current_screen()->add_help_tab()} or
-		 *                   {@see get_current_screen()->remove_help_tab()} instead.
-		 *
-		 * @param array     $old_compat_help Old contextual help.
-		 * @param WP_Screen $screen          Current WP_Screen instance.
-		 */
-		self::$_old_compat_help = apply_filters_deprecated(
-			'contextual_help_list',
-			array( self::$_old_compat_help, $this ),
-			'3.3.0',
-			'get_current_screen()->add_help_tab(), get_current_screen()->remove_help_tab()'
-		);
-
-		$old_help = isset( self::$_old_compat_help[ $this->id ] ) ? self::$_old_compat_help[ $this->id ] : '';
-
-		/**
-		 * Filters the legacy contextual help text.
-		 *
-		 * @since 2.7.0
-		 * @deprecated 3.3.0 Use {@see get_current_screen()->add_help_tab()} or
-		 *                   {@see get_current_screen()->remove_help_tab()} instead.
-		 *
-		 * @param string    $old_help  Help text that appears on the screen.
-		 * @param string    $screen_id Screen ID.
-		 * @param WP_Screen $screen    Current WP_Screen instance.
-		 */
-		$old_help = apply_filters_deprecated(
-			'contextual_help',
-			array( $old_help, $this->id, $this ),
-			'3.3.0',
-			'get_current_screen()->add_help_tab(), get_current_screen()->remove_help_tab()'
-		);
-
-		// Default help only if there is no old-style block of text and no new-style help tabs.
-		if ( empty( $old_help ) && ! $this->get_help_tabs() ) {
-
-			/**
-			 * Filters the default legacy contextual help text.
-			 *
-			 * @since 2.8.0
-			 * @deprecated 3.3.0 Use {@see get_current_screen()->add_help_tab()} or
-			 *                   {@see get_current_screen()->remove_help_tab()} instead.
-			 *
-			 * @param string $old_help_default Default contextual help text.
-			 */
-			$default_help = apply_filters_deprecated(
-				'default_contextual_help',
-				array( '' ),
-				'3.3.0',
-				'get_current_screen()->add_help_tab(), get_current_screen()->remove_help_tab()'
-			);
-			if ( $default_help ) {
-				$old_help = '<p>' . $default_help . '</p>';
-			}
-		}
-
-		if ( $old_help ) {
-			$this->add_help_tab(
-				array(
-					'id'      => 'old-contextual-help',
-					'title'   => __( 'Overview' ),
-					'content' => $old_help,
-				)
-			);
-		}
-
-		$help_sidebar = $this->get_help_sidebar();
-
-		$help_class = 'hidden';
-		if ( ! $help_sidebar ) {
-			$help_class .= ' no-sidebar';
-		}
-
-		// Time to render!
-		?>
+    /**
+     * Any action associated with the screen.
+     *
+     * 'add' for *-add.php and *-new.php screens. Empty otherwise.
+     *
+     * @since 3.3.0
+     * @var string
+     */
+    public $action;
+
+    /**
+     * The base type of the screen.
+     *
+     * This is typically the same as `$id` but with any post types and taxonomies stripped.
+     * For example, for an `$id` of 'edit-post' the base is 'edit'.
+     *
+     * @since 3.3.0
+     * @var string
+     */
+    public $base;
+
+    /**
+     * The number of columns to display. Access with get_columns().
+     *
+     * @since 3.4.0
+     * @var int
+     */
+    private $columns = 0;
+
+    /**
+     * The unique ID of the screen.
+     *
+     * @since 3.3.0
+     * @var string
+     */
+    public $id;
+
+    /**
+     * Which admin the screen is in. network | user | site | false
+     *
+     * @since 3.5.0
+     * @var string
+     */
+    protected $in_admin;
+
+    /**
+     * Whether the screen is in the network admin.
+     *
+     * Deprecated. Use in_admin() instead.
+     *
+     * @since 3.3.0
+     * @deprecated 3.5.0
+     * @var bool
+     */
+    public $is_network;
+
+    /**
+     * Whether the screen is in the user admin.
+     *
+     * Deprecated. Use in_admin() instead.
+     *
+     * @since 3.3.0
+     * @deprecated 3.5.0
+     * @var bool
+     */
+    public $is_user;
+
+    /**
+     * The base menu parent.
+     *
+     * This is derived from `$parent_file` by removing the query string and any .php extension.
+     * `$parent_file` values of 'edit.php?post_type=page' and 'edit.php?post_type=post'
+     * have a `$parent_base` of 'edit'.
+     *
+     * @since 3.3.0
+     * @var string
+     */
+    public $parent_base;
+
+    /**
+     * The parent_file for the screen per the admin menu system.
+     *
+     * Some `$parent_file` values are 'edit.php?post_type=page', 'edit.php', and 'options-general.php'.
+     *
+     * @since 3.3.0
+     * @var string
+     */
+    public $parent_file;
+
+    /**
+     * The post type associated with the screen, if any.
+     *
+     * The 'edit.php?post_type=page' screen has a post type of 'page'.
+     * The 'edit-tags.php?taxonomy=$taxonomy&post_type=page' screen has a post type of 'page'.
+     *
+     * @since 3.3.0
+     * @var string
+     */
+    public $post_type;
+
+    /**
+     * The taxonomy associated with the screen, if any.
+     *
+     * The 'edit-tags.php?taxonomy=category' screen has a taxonomy of 'category'.
+     *
+     * @since 3.3.0
+     * @var string
+     */
+    public $taxonomy;
+
+    /**
+     * The help tab data associated with the screen, if any.
+     *
+     * @since 3.3.0
+     * @var array
+     */
+    private $_help_tabs = array();
+
+    /**
+     * The help sidebar data associated with screen, if any.
+     *
+     * @since 3.3.0
+     * @var string
+     */
+    private $_help_sidebar = '';
+
+    /**
+     * The accessible hidden headings and text associated with the screen, if any.
+     *
+     * @since 4.4.0
+     * @var array
+     */
+    private $_screen_reader_content = array();
+
+    /**
+     * Stores old string-based help.
+     *
+     * @var array
+     */
+    private static $_old_compat_help = array();
+
+    /**
+     * The screen options associated with screen, if any.
+     *
+     * @since 3.3.0
+     * @var array
+     */
+    private $_options = array();
+
+    /**
+     * The screen object registry.
+     *
+     * @since 3.3.0
+     *
+     * @var array
+     */
+    private static $_registry = array();
+
+    /**
+     * Stores the result of the public show_screen_options function.
+     *
+     * @since 3.3.0
+     * @var bool
+     */
+    private $_show_screen_options;
+
+    /**
+     * Stores the 'screen_settings' section of screen options.
+     *
+     * @since 3.3.0
+     * @var string
+     */
+    private $_screen_settings;
+
+    /**
+     * Whether the screen is using the block editor.
+     *
+     * @since 5.0.0
+     * @var bool
+     */
+    public $is_block_editor = false;
+
+    /**
+     * Fetches a screen object.
+     *
+     * @since 3.3.0
+     *
+     * @global string $hook_suffix
+     *
+     * @param string|WP_Screen $hook_name Optional. The hook name (also known as the hook suffix) used to determine the screen.
+     *                                    Defaults to the current $hook_suffix global.
+     * @return WP_Screen Screen object.
+     */
+    public static function get( $hook_name = '' ) {
+        if ( $hook_name instanceof WP_Screen ) {
+            return $hook_name;
+        }
+
+        $post_type       = null;
+        $taxonomy        = null;
+        $in_admin        = false;
+        $action          = '';
+        $is_block_editor = false;
+
+        if ( $hook_name ) {
+            $id = $hook_name;
+        } else {
+            $id = $GLOBALS['hook_suffix'];
+        }
+
+        // For those pesky meta boxes.
+        if ( $hook_name && post_type_exists( $hook_name ) ) {
+            $post_type = $id;
+            $id        = 'post'; // Changes later. Ends up being $base.
+        } else {
+            if ( '.php' === substr( $id, -4 ) ) {
+                $id = substr( $id, 0, -4 );
+            }
+
+            if ( in_array( $id, array( 'post-new', 'link-add', 'media-new', 'user-new' ), true ) ) {
+                $id     = substr( $id, 0, -4 );
+                $action = 'add';
+            }
+        }
+
+        if ( ! $post_type && $hook_name ) {
+            if ( '-network' === substr( $id, -8 ) ) {
+                $id       = substr( $id, 0, -8 );
+                $in_admin = 'network';
+            } elseif ( '-user' === substr( $id, -5 ) ) {
+                $id       = substr( $id, 0, -5 );
+                $in_admin = 'user';
+            }
+
+            $id = sanitize_key( $id );
+            if ( 'edit-comments' !== $id && 'edit-tags' !== $id && 'edit-' === substr( $id, 0, 5 ) ) {
+                $maybe = substr( $id, 5 );
+                if ( taxonomy_exists( $maybe ) ) {
+                    $id       = 'edit-tags';
+                    $taxonomy = $maybe;
+                } elseif ( post_type_exists( $maybe ) ) {
+                    $id        = 'edit';
+                    $post_type = $maybe;
+                }
+            }
+
+            if ( ! $in_admin ) {
+                $in_admin = 'site';
+            }
+        } else {
+            if ( defined( 'WP_NETWORK_ADMIN' ) && WP_NETWORK_ADMIN ) {
+                $in_admin = 'network';
+            } elseif ( defined( 'WP_USER_ADMIN' ) && WP_USER_ADMIN ) {
+                $in_admin = 'user';
+            } else {
+                $in_admin = 'site';
+            }
+        }
+
+        if ( 'index' === $id ) {
+            $id = 'dashboard';
+        } elseif ( 'front' === $id ) {
+            $in_admin = false;
+        }
+
+        $base = $id;
+
+        // If this is the current screen, see if we can be more accurate for post types and taxonomies.
+        if ( ! $hook_name ) {
+            if ( isset( $_REQUEST['post_type'] ) ) {
+                $post_type = post_type_exists( $_REQUEST['post_type'] ) ? $_REQUEST['post_type'] : false;
+            }
+            if ( isset( $_REQUEST['taxonomy'] ) ) {
+                $taxonomy = taxonomy_exists( $_REQUEST['taxonomy'] ) ? $_REQUEST['taxonomy'] : false;
+            }
+
+            switch ( $base ) {
+                case 'post':
+                    if ( isset( $_GET['post'] ) && isset( $_POST['post_ID'] ) && (int) $_GET['post'] !== (int) $_POST['post_ID'] ) {
+                        wp_die( __( 'A post ID mismatch has been detected.' ), __( 'Sorry, you are not allowed to edit this item.' ), 400 );
+                    } elseif ( isset( $_GET['post'] ) ) {
+                        $post_id = (int) $_GET['post'];
+                    } elseif ( isset( $_POST['post_ID'] ) ) {
+                        $post_id = (int) $_POST['post_ID'];
+                    } else {
+                        $post_id = 0;
+                    }
+
+                    if ( $post_id ) {
+                        $post = get_post( $post_id );
+                        if ( $post ) {
+                            $post_type = $post->post_type;
+
+                            /** This filter is documented in wp-admin/post.php */
+                            $replace_editor = apply_filters( 'replace_editor', false, $post );
+
+                            if ( ! $replace_editor ) {
+                                $is_block_editor = use_block_editor_for_post( $post );
+                            }
+                        }
+                    }
+                    break;
+                case 'edit-tags':
+                case 'term':
+                    if ( null === $post_type && is_object_in_taxonomy( 'post', $taxonomy ? $taxonomy : 'post_tag' ) ) {
+                        $post_type = 'post';
+                    }
+                    break;
+                case 'upload':
+                    $post_type = 'attachment';
+                    break;
+            }
+        }
+
+        switch ( $base ) {
+            case 'post':
+                if ( null === $post_type ) {
+                    $post_type = 'post';
+                }
+
+                // When creating a new post, use the default block editor support value for the post type.
+                if ( empty( $post_id ) ) {
+                    $is_block_editor = use_block_editor_for_post_type( $post_type );
+                }
+
+                $id = $post_type;
+                break;
+            case 'edit':
+                if ( null === $post_type ) {
+                    $post_type = 'post';
+                }
+                $id .= '-' . $post_type;
+                break;
+            case 'edit-tags':
+            case 'term':
+                if ( null === $taxonomy ) {
+                    $taxonomy = 'post_tag';
+                }
+                // The edit-tags ID does not contain the post type. Look for it in the request.
+                if ( null === $post_type ) {
+                    $post_type = 'post';
+                    if ( isset( $_REQUEST['post_type'] ) && post_type_exists( $_REQUEST['post_type'] ) ) {
+                        $post_type = $_REQUEST['post_type'];
+                    }
+                }
+
+                $id = 'edit-' . $taxonomy;
+                break;
+        }
+
+        if ( 'network' === $in_admin ) {
+            $id   .= '-network';
+            $base .= '-network';
+        } elseif ( 'user' === $in_admin ) {
+            $id   .= '-user';
+            $base .= '-user';
+        }
+
+        if ( isset( self::$_registry[ $id ] ) ) {
+            $screen = self::$_registry[ $id ];
+            if ( get_current_screen() === $screen ) {
+                return $screen;
+            }
+        } else {
+            $screen     = new self();
+            $screen->id = $id;
+        }
+
+        $screen->base            = $base;
+        $screen->action          = $action;
+        $screen->post_type       = (string) $post_type;
+        $screen->taxonomy        = (string) $taxonomy;
+        $screen->is_user         = ( 'user' === $in_admin );
+        $screen->is_network      = ( 'network' === $in_admin );
+        $screen->in_admin        = $in_admin;
+        $screen->is_block_editor = $is_block_editor;
+
+        self::$_registry[ $id ] = $screen;
+
+        return $screen;
+    }
+
+    /**
+     * Makes the screen object the current screen.
+     *
+     * @see set_current_screen()
+     * @since 3.3.0
+     *
+     * @global WP_Screen $current_screen WordPress current screen object.
+     * @global string    $typenow        The post type of the current screen.
+     * @global string    $taxnow         The taxonomy of the current screen.
+     */
+    public function set_current_screen() {
+        global $current_screen, $taxnow, $typenow;
+
+        $current_screen = $this;
+        $typenow        = $this->post_type;
+        $taxnow         = $this->taxonomy;
+
+        /**
+         * Fires after the current screen has been set.
+         *
+         * @since 3.0.0
+         *
+         * @param WP_Screen $current_screen Current WP_Screen object.
+         */
+        do_action( 'current_screen', $current_screen );
+    }
+
+    /**
+     * Constructor
+     *
+     * @since 3.3.0
+     */
+    private function __construct() {}
+
+    /**
+     * Indicates whether the screen is in a particular admin
+     *
+     * @since 3.5.0
+     *
+     * @param string $admin The admin to check against (network | user | site).
+     *                      If empty any of the three admins will result in true.
+     * @return bool True if the screen is in the indicated admin, false otherwise.
+     */
+    public function in_admin( $admin = null ) {
+        if ( empty( $admin ) ) {
+            return (bool) $this->in_admin;
+        }
+
+        return ( $admin === $this->in_admin );
+    }
+
+    /**
+     * Sets or returns whether the block editor is loading on the current screen.
+     *
+     * @since 5.0.0
+     *
+     * @param bool $set Optional. Sets whether the block editor is loading on the current screen or not.
+     * @return bool True if the block editor is being loaded, false otherwise.
+     */
+    public function is_block_editor( $set = null ) {
+        if ( null !== $set ) {
+            $this->is_block_editor = (bool) $set;
+        }
+
+        return $this->is_block_editor;
+    }
+
+    /**
+     * Sets the old string-based contextual help for the screen for backward compatibility.
+     *
+     * @since 3.3.0
+     *
+     * @param WP_Screen $screen A screen object.
+     * @param string    $help   Help text.
+     */
+    public static function add_old_compat_help( $screen, $help ) {
+        self::$_old_compat_help[ $screen->id ] = $help;
+    }
+
+    /**
+     * Set the parent information for the screen.
+     *
+     * This is called in admin-header.php after the menu parent for the screen has been determined.
+     *
+     * @since 3.3.0
+     *
+     * @param string $parent_file The parent file of the screen. Typically the $parent_file global.
+     */
+    public function set_parentage( $parent_file ) {
+        $this->parent_file         = $parent_file;
+        list( $this->parent_base ) = explode( '?', $parent_file );
+        $this->parent_base         = str_replace( '.php', '', $this->parent_base );
+    }
+
+    /**
+     * Adds an option for the screen.
+     *
+     * Call this in template files after admin.php is loaded and before admin-header.php is loaded
+     * to add screen options.
+     *
+     * @since 3.3.0
+     *
+     * @param string $option Option ID.
+     * @param mixed  $args   Option-dependent arguments.
+     */
+    public function add_option( $option, $args = array() ) {
+        $this->_options[ $option ] = $args;
+    }
+
+    /**
+     * Remove an option from the screen.
+     *
+     * @since 3.8.0
+     *
+     * @param string $option Option ID.
+     */
+    public function remove_option( $option ) {
+        unset( $this->_options[ $option ] );
+    }
+
+    /**
+     * Remove all options from the screen.
+     *
+     * @since 3.8.0
+     */
+    public function remove_options() {
+        $this->_options = array();
+    }
+
+    /**
+     * Get the options registered for the screen.
+     *
+     * @since 3.8.0
+     *
+     * @return array Options with arguments.
+     */
+    public function get_options() {
+        return $this->_options;
+    }
+
+    /**
+     * Gets the arguments for an option for the screen.
+     *
+     * @since 3.3.0
+     *
+     * @param string       $option Option name.
+     * @param string|false $key    Optional. Specific array key for when the option is an array.
+     *                             Default false.
+     * @return string The option value if set, null otherwise.
+     */
+    public function get_option( $option, $key = false ) {
+        if ( ! isset( $this->_options[ $option ] ) ) {
+            return null;
+        }
+        if ( $key ) {
+            if ( isset( $this->_options[ $option ][ $key ] ) ) {
+                return $this->_options[ $option ][ $key ];
+            }
+            return null;
+        }
+        return $this->_options[ $option ];
+    }
+
+    /**
+     * Gets the help tabs registered for the screen.
+     *
+     * @since 3.4.0
+     * @since 4.4.0 Help tabs are ordered by their priority.
+     *
+     * @return array Help tabs with arguments.
+     */
+    public function get_help_tabs() {
+        $help_tabs = $this->_help_tabs;
+
+        $priorities = array();
+        foreach ( $help_tabs as $help_tab ) {
+            if ( isset( $priorities[ $help_tab['priority'] ] ) ) {
+                $priorities[ $help_tab['priority'] ][] = $help_tab;
+            } else {
+                $priorities[ $help_tab['priority'] ] = array( $help_tab );
+            }
+        }
+
+        ksort( $priorities );
+
+        $sorted = array();
+        foreach ( $priorities as $list ) {
+            foreach ( $list as $tab ) {
+                $sorted[ $tab['id'] ] = $tab;
+            }
+        }
+
+        return $sorted;
+    }
+
+    /**
+     * Gets the arguments for a help tab.
+     *
+     * @since 3.4.0
+     *
+     * @param string $id Help Tab ID.
+     * @return array Help tab arguments.
+     */
+    public function get_help_tab( $id ) {
+        if ( ! isset( $this->_help_tabs[ $id ] ) ) {
+            return null;
+        }
+        return $this->_help_tabs[ $id ];
+    }
+
+    /**
+     * Add a help tab to the contextual help for the screen.
+     *
+     * Call this on the `load-$pagenow` hook for the relevant screen,
+     * or fetch the `$current_screen` object, or use get_current_screen()
+     * and then call the method from the object.
+     *
+     * You may need to filter `$current_screen` using an if or switch statement
+     * to prevent new help tabs from being added to ALL admin screens.
+     *
+     * @since 3.3.0
+     * @since 4.4.0 The `$priority` argument was added.
+     *
+     * @param array $args {
+     *     Array of arguments used to display the help tab.
+     *
+     *     @type string   $title    Title for the tab. Default false.
+     *     @type string   $id       Tab ID. Must be HTML-safe and should be unique for this menu.
+     *                              It is NOT allowed to contain any empty spaces. Default false.
+     *     @type string   $content  Optional. Help tab content in plain text or HTML. Default empty string.
+     *     @type callable $callback Optional. A callback to generate the tab content. Default false.
+     *     @type int      $priority Optional. The priority of the tab, used for ordering. Default 10.
+     * }
+     */
+    public function add_help_tab( $args ) {
+        $defaults = array(
+            'title'    => false,
+            'id'       => false,
+            'content'  => '',
+            'callback' => false,
+            'priority' => 10,
+        );
+        $args     = wp_parse_args( $args, $defaults );
+
+        $args['id'] = sanitize_html_class( $args['id'] );
+
+        // Ensure we have an ID and title.
+        if ( ! $args['id'] || ! $args['title'] ) {
+            return;
+        }
+
+        // Allows for overriding an existing tab with that ID.
+        $this->_help_tabs[ $args['id'] ] = $args;
+    }
+
+    /**
+     * Removes a help tab from the contextual help for the screen.
+     *
+     * @since 3.3.0
+     *
+     * @param string $id The help tab ID.
+     */
+    public function remove_help_tab( $id ) {
+        unset( $this->_help_tabs[ $id ] );
+    }
+
+    /**
+     * Removes all help tabs from the contextual help for the screen.
+     *
+     * @since 3.3.0
+     */
+    public function remove_help_tabs() {
+        $this->_help_tabs = array();
+    }
+
+    /**
+     * Gets the content from a contextual help sidebar.
+     *
+     * @since 3.4.0
+     *
+     * @return string Contents of the help sidebar.
+     */
+    public function get_help_sidebar() {
+        return $this->_help_sidebar;
+    }
+
+    /**
+     * Add a sidebar to the contextual help for the screen.
+     *
+     * Call this in template files after admin.php is loaded and before admin-header.php is loaded
+     * to add a sidebar to the contextual help.
+     *
+     * @since 3.3.0
+     *
+     * @param string $content Sidebar content in plain text or HTML.
+     */
+    public function set_help_sidebar( $content ) {
+        $this->_help_sidebar = $content;
+    }
+
+    /**
+     * Gets the number of layout columns the user has selected.
+     *
+     * The layout_columns option controls the max number and default number of
+     * columns. This method returns the number of columns within that range selected
+     * by the user via Screen Options. If no selection has been made, the default
+     * provisioned in layout_columns is returned. If the screen does not support
+     * selecting the number of layout columns, 0 is returned.
+     *
+     * @since 3.4.0
+     *
+     * @return int Number of columns to display.
+     */
+    public function get_columns() {
+        return $this->columns;
+    }
+
+    /**
+     * Get the accessible hidden headings and text used in the screen.
+     *
+     * @since 4.4.0
+     *
+     * @see set_screen_reader_content() For more information on the array format.
+     *
+     * @return array An associative array of screen reader text strings.
+     */
+    public function get_screen_reader_content() {
+        return $this->_screen_reader_content;
+    }
+
+    /**
+     * Get a screen reader text string.
+     *
+     * @since 4.4.0
+     *
+     * @param string $key Screen reader text array named key.
+     * @return string Screen reader text string.
+     */
+    public function get_screen_reader_text( $key ) {
+        if ( ! isset( $this->_screen_reader_content[ $key ] ) ) {
+            return null;
+        }
+        return $this->_screen_reader_content[ $key ];
+    }
+
+    /**
+     * Add accessible hidden headings and text for the screen.
+     *
+     * @since 4.4.0
+     *
+     * @param array $content {
+     *     An associative array of screen reader text strings.
+     *
+     *     @type string $heading_views      Screen reader text for the filter links heading.
+     *                                      Default 'Filter items list'.
+     *     @type string $heading_pagination Screen reader text for the pagination heading.
+     *                                      Default 'Items list navigation'.
+     *     @type string $heading_list       Screen reader text for the items list heading.
+     *                                      Default 'Items list'.
+     * }
+     */
+    public function set_screen_reader_content( $content = array() ) {
+        $defaults = array(
+            'heading_views'      => __( 'Filter items list' ),
+            'heading_pagination' => __( 'Items list navigation' ),
+            'heading_list'       => __( 'Items list' ),
+        );
+        $content  = wp_parse_args( $content, $defaults );
+
+        $this->_screen_reader_content = $content;
+    }
+
+    /**
+     * Remove all the accessible hidden headings and text for the screen.
+     *
+     * @since 4.4.0
+     */
+    public function remove_screen_reader_content() {
+        $this->_screen_reader_content = array();
+    }
+
+    /**
+     * Render the screen's help section.
+     *
+     * This will trigger the deprecated filters for backward compatibility.
+     *
+     * @since 3.3.0
+     *
+     * @global string $screen_layout_columns
+     */
+    public function render_screen_meta() {
+
+        /**
+         * Filters the legacy contextual help list.
+         *
+         * @since 2.7.0
+         * @deprecated 3.3.0 Use {@see get_current_screen()->add_help_tab()} or
+         *                   {@see get_current_screen()->remove_help_tab()} instead.
+         *
+         * @param array     $old_compat_help Old contextual help.
+         * @param WP_Screen $screen          Current WP_Screen instance.
+         */
+        self::$_old_compat_help = apply_filters_deprecated(
+            'contextual_help_list',
+            array( self::$_old_compat_help, $this ),
+            '3.3.0',
+            'get_current_screen()->add_help_tab(), get_current_screen()->remove_help_tab()'
+        );
+
+        $old_help = isset( self::$_old_compat_help[ $this->id ] ) ? self::$_old_compat_help[ $this->id ] : '';
+
+        /**
+         * Filters the legacy contextual help text.
+         *
+         * @since 2.7.0
+         * @deprecated 3.3.0 Use {@see get_current_screen()->add_help_tab()} or
+         *                   {@see get_current_screen()->remove_help_tab()} instead.
+         *
+         * @param string    $old_help  Help text that appears on the screen.
+         * @param string    $screen_id Screen ID.
+         * @param WP_Screen $screen    Current WP_Screen instance.
+         */
+        $old_help = apply_filters_deprecated(
+            'contextual_help',
+            array( $old_help, $this->id, $this ),
+            '3.3.0',
+            'get_current_screen()->add_help_tab(), get_current_screen()->remove_help_tab()'
+        );
+
+        // Default help only if there is no old-style block of text and no new-style help tabs.
+        if ( empty( $old_help ) && ! $this->get_help_tabs() ) {
+
+            /**
+             * Filters the default legacy contextual help text.
+             *
+             * @since 2.8.0
+             * @deprecated 3.3.0 Use {@see get_current_screen()->add_help_tab()} or
+             *                   {@see get_current_screen()->remove_help_tab()} instead.
+             *
+             * @param string $old_help_default Default contextual help text.
+             */
+            $default_help = apply_filters_deprecated(
+                'default_contextual_help',
+                array( '' ),
+                '3.3.0',
+                'get_current_screen()->add_help_tab(), get_current_screen()->remove_help_tab()'
+            );
+            if ( $default_help ) {
+                $old_help = '<p>' . $default_help . '</p>';
+            }
+        }
+
+        if ( $old_help ) {
+            $this->add_help_tab(
+                array(
+                    'id'      => 'old-contextual-help',
+                    'title'   => __( 'Overview' ),
+                    'content' => $old_help,
+                )
+            );
+        }
+
+        $help_sidebar = $this->get_help_sidebar();
+
+        $help_class = 'hidden';
+        if ( ! $help_sidebar ) {
+            $help_class .= ' no-sidebar';
+        }
+
+        // Time to render!
+        ?>
 		<div id="screen-meta" class="metabox-prefs">
 
 			<div id="contextual-help-wrap" class="<?php echo esc_attr( $help_class ); ?>" tabindex="-1" aria-label="<?php esc_attr_e( 'Contextual Help Tab' ); ?>">
@@ -874,11 +874,11 @@ 
 					<div class="contextual-help-tabs">
 						<ul>
 						<?php
-						$class = ' class="active"';
-						foreach ( $this->get_help_tabs() as $tab ) :
-							$link_id  = "tab-link-{$tab['id']}";
-							$panel_id = "tab-panel-{$tab['id']}";
-							?>
+                        $class = ' class="active"';
+                        foreach ( $this->get_help_tabs() as $tab ) :
+                            $link_id  = "tab-link-{$tab['id']}";
+                            $panel_id = "tab-panel-{$tab['id']}";
+                            ?>
 
 							<li id="<?php echo esc_attr( $link_id ); ?>"<?php echo $class; ?>>
 								<a href="<?php echo esc_url( "#$panel_id" ); ?>" aria-controls="<?php echo esc_attr( $panel_id ); ?>">
@@ -886,9 +886,9 @@ 
 								</a>
 							</li>
 							<?php
-							$class = '';
-						endforeach;
-						?>
+                            $class = '';
+                        endforeach;
+                        ?>
 						</ul>
 					</div>
 
@@ -900,216 +900,216 @@ 
 
 					<div class="contextual-help-tabs-wrap">
 						<?php
-						$classes = 'help-tab-content active';
-						foreach ( $this->get_help_tabs() as $tab ) :
-							$panel_id = "tab-panel-{$tab['id']}";
-							?>
+                        $classes = 'help-tab-content active';
+                        foreach ( $this->get_help_tabs() as $tab ) :
+                            $panel_id = "tab-panel-{$tab['id']}";
+                            ?>
 
 							<div id="<?php echo esc_attr( $panel_id ); ?>" class="<?php echo $classes; ?>">
 								<?php
-								// Print tab content.
-								echo $tab['content'];
-
-								// If it exists, fire tab callback.
-								if ( ! empty( $tab['callback'] ) ) {
-									call_user_func_array( $tab['callback'], array( $this, $tab ) );
-								}
-								?>
+                                // Print tab content.
+                                echo $tab['content'];
+
+                                // If it exists, fire tab callback.
+                                if ( ! empty( $tab['callback'] ) ) {
+                                    call_user_func_array( $tab['callback'], array( $this, $tab ) );
+                                }
+                                ?>
 							</div>
 							<?php
-							$classes = 'help-tab-content';
-						endforeach;
-						?>
+                            $classes = 'help-tab-content';
+                        endforeach;
+                        ?>
 					</div>
 				</div>
 			</div>
 		<?php
-		// Setup layout columns.
-
-		/**
-		 * Filters the array of screen layout columns.
-		 *
-		 * This hook provides back-compat for plugins using the back-compat
-		 * Filters instead of add_screen_option().
-		 *
-		 * @since 2.8.0
-		 *
-		 * @param array     $empty_columns Empty array.
-		 * @param string    $screen_id     Screen ID.
-		 * @param WP_Screen $screen        Current WP_Screen instance.
-		 */
-		$columns = apply_filters( 'screen_layout_columns', array(), $this->id, $this );
-
-		if ( ! empty( $columns ) && isset( $columns[ $this->id ] ) ) {
-			$this->add_option( 'layout_columns', array( 'max' => $columns[ $this->id ] ) );
-		}
-
-		if ( $this->get_option( 'layout_columns' ) ) {
-			$this->columns = (int) get_user_option( "screen_layout_$this->id" );
-
-			if ( ! $this->columns && $this->get_option( 'layout_columns', 'default' ) ) {
-				$this->columns = $this->get_option( 'layout_columns', 'default' );
-			}
-		}
-		$GLOBALS['screen_layout_columns'] = $this->columns; // Set the global for back-compat.
-
-		// Add screen options.
-		if ( $this->show_screen_options() ) {
-			$this->render_screen_options();
-		}
-		?>
+        // Setup layout columns.
+
+        /**
+         * Filters the array of screen layout columns.
+         *
+         * This hook provides back-compat for plugins using the back-compat
+         * Filters instead of add_screen_option().
+         *
+         * @since 2.8.0
+         *
+         * @param array     $empty_columns Empty array.
+         * @param string    $screen_id     Screen ID.
+         * @param WP_Screen $screen        Current WP_Screen instance.
+         */
+        $columns = apply_filters( 'screen_layout_columns', array(), $this->id, $this );
+
+        if ( ! empty( $columns ) && isset( $columns[ $this->id ] ) ) {
+            $this->add_option( 'layout_columns', array( 'max' => $columns[ $this->id ] ) );
+        }
+
+        if ( $this->get_option( 'layout_columns' ) ) {
+            $this->columns = (int) get_user_option( "screen_layout_$this->id" );
+
+            if ( ! $this->columns && $this->get_option( 'layout_columns', 'default' ) ) {
+                $this->columns = $this->get_option( 'layout_columns', 'default' );
+            }
+        }
+        $GLOBALS['screen_layout_columns'] = $this->columns; // Set the global for back-compat.
+
+        // Add screen options.
+        if ( $this->show_screen_options() ) {
+            $this->render_screen_options();
+        }
+        ?>
 		</div>
 		<?php
-		if ( ! $this->get_help_tabs() && ! $this->show_screen_options() ) {
-			return;
-		}
-		?>
+        if ( ! $this->get_help_tabs() && ! $this->show_screen_options() ) {
+            return;
+        }
+        ?>
 		<div id="screen-meta-links">
 		<?php if ( $this->show_screen_options() ) : ?>
 			<div id="screen-options-link-wrap" class="hide-if-no-js screen-meta-toggle">
 			<button type="button" id="show-settings-link" class="button show-settings" aria-controls="screen-options-wrap" aria-expanded="false"><?php _e( 'Screen Options' ); ?></button>
 			</div>
 			<?php
-		endif;
-		if ( $this->get_help_tabs() ) :
-			?>
+        endif;
+        if ( $this->get_help_tabs() ) :
+            ?>
 			<div id="contextual-help-link-wrap" class="hide-if-no-js screen-meta-toggle">
 			<button type="button" id="contextual-help-link" class="button show-settings" aria-controls="contextual-help-wrap" aria-expanded="false"><?php _e( 'Help' ); ?></button>
 			</div>
 		<?php endif; ?>
 		</div>
 		<?php
-	}
-
-	/**
-	 * @global array $wp_meta_boxes
-	 *
-	 * @return bool
-	 */
-	public function show_screen_options() {
-		global $wp_meta_boxes;
-
-		if ( is_bool( $this->_show_screen_options ) ) {
-			return $this->_show_screen_options;
-		}
-
-		$columns = get_column_headers( $this );
-
-		$show_screen = ! empty( $wp_meta_boxes[ $this->id ] ) || $columns || $this->get_option( 'per_page' );
-
-		$this->_screen_settings = '';
-
-		if ( 'post' === $this->base ) {
-			$expand                 = '<fieldset class="editor-expand hidden"><legend>' . __( 'Additional settings' ) . '</legend><label for="editor-expand-toggle">';
-			$expand                .= '<input type="checkbox" id="editor-expand-toggle"' . checked( get_user_setting( 'editor_expand', 'on' ), 'on', false ) . ' />';
-			$expand                .= __( 'Enable full-height editor and distraction-free functionality.' ) . '</label></fieldset>';
-			$this->_screen_settings = $expand;
-		}
-
-		/**
-		 * Filters the screen settings text displayed in the Screen Options tab.
-		 *
-		 * @since 3.0.0
-		 *
-		 * @param string    $screen_settings Screen settings.
-		 * @param WP_Screen $screen          WP_Screen object.
-		 */
-		$this->_screen_settings = apply_filters( 'screen_settings', $this->_screen_settings, $this );
-
-		if ( $this->_screen_settings || $this->_options ) {
-			$show_screen = true;
-		}
-
-		/**
-		 * Filters whether to show the Screen Options tab.
-		 *
-		 * @since 3.2.0
-		 *
-		 * @param bool      $show_screen Whether to show Screen Options tab.
-		 *                               Default true.
-		 * @param WP_Screen $screen      Current WP_Screen instance.
-		 */
-		$this->_show_screen_options = apply_filters( 'screen_options_show_screen', $show_screen, $this );
-		return $this->_show_screen_options;
-	}
-
-	/**
-	 * Render the screen options tab.
-	 *
-	 * @since 3.3.0
-	 *
-	 * @param array $options {
-	 *     Options for the tab.
-	 *
-	 *     @type bool $wrap Whether the screen-options-wrap div will be included. Defaults to true.
-	 * }
-	 */
-	public function render_screen_options( $options = array() ) {
-		$options = wp_parse_args(
-			$options,
-			array(
-				'wrap' => true,
-			)
-		);
-
-		$wrapper_start = '';
-		$wrapper_end   = '';
-		$form_start    = '';
-		$form_end      = '';
-
-		// Output optional wrapper.
-		if ( $options['wrap'] ) {
-			$wrapper_start = '<div id="screen-options-wrap" class="hidden" tabindex="-1" aria-label="' . esc_attr__( 'Screen Options Tab' ) . '">';
-			$wrapper_end   = '</div>';
-		}
-
-		// Don't output the form and nonce for the widgets accessibility mode links.
-		if ( 'widgets' !== $this->base ) {
-			$form_start = "\n<form id='adv-settings' method='post'>\n";
-			$form_end   = "\n" . wp_nonce_field( 'screen-options-nonce', 'screenoptionnonce', false, false ) . "\n</form>\n";
-		}
-
-		echo $wrapper_start . $form_start;
-
-		$this->render_meta_boxes_preferences();
-		$this->render_list_table_columns_preferences();
-		$this->render_screen_layout();
-		$this->render_per_page_options();
-		$this->render_view_mode();
-		echo $this->_screen_settings;
-
-		/**
-		 * Filters whether to show the Screen Options submit button.
-		 *
-		 * @since 4.4.0
-		 *
-		 * @param bool      $show_button Whether to show Screen Options submit button.
-		 *                               Default false.
-		 * @param WP_Screen $screen      Current WP_Screen instance.
-		 */
-		$show_button = apply_filters( 'screen_options_show_submit', false, $this );
-
-		if ( $show_button ) {
-			submit_button( __( 'Apply' ), 'primary', 'screen-options-apply', true );
-		}
-
-		echo $form_end . $wrapper_end;
-	}
-
-	/**
-	 * Render the meta boxes preferences.
-	 *
-	 * @since 4.4.0
-	 *
-	 * @global array $wp_meta_boxes
-	 */
-	public function render_meta_boxes_preferences() {
-		global $wp_meta_boxes;
-
-		if ( ! isset( $wp_meta_boxes[ $this->id ] ) ) {
-			return;
-		}
-		?>
+    }
+
+    /**
+     * @global array $wp_meta_boxes
+     *
+     * @return bool
+     */
+    public function show_screen_options() {
+        global $wp_meta_boxes;
+
+        if ( is_bool( $this->_show_screen_options ) ) {
+            return $this->_show_screen_options;
+        }
+
+        $columns = get_column_headers( $this );
+
+        $show_screen = ! empty( $wp_meta_boxes[ $this->id ] ) || $columns || $this->get_option( 'per_page' );
+
+        $this->_screen_settings = '';
+
+        if ( 'post' === $this->base ) {
+            $expand                 = '<fieldset class="editor-expand hidden"><legend>' . __( 'Additional settings' ) . '</legend><label for="editor-expand-toggle">';
+            $expand                .= '<input type="checkbox" id="editor-expand-toggle"' . checked( get_user_setting( 'editor_expand', 'on' ), 'on', false ) . ' />';
+            $expand                .= __( 'Enable full-height editor and distraction-free functionality.' ) . '</label></fieldset>';
+            $this->_screen_settings = $expand;
+        }
+
+        /**
+         * Filters the screen settings text displayed in the Screen Options tab.
+         *
+         * @since 3.0.0
+         *
+         * @param string    $screen_settings Screen settings.
+         * @param WP_Screen $screen          WP_Screen object.
+         */
+        $this->_screen_settings = apply_filters( 'screen_settings', $this->_screen_settings, $this );
+
+        if ( $this->_screen_settings || $this->_options ) {
+            $show_screen = true;
+        }
+
+        /**
+         * Filters whether to show the Screen Options tab.
+         *
+         * @since 3.2.0
+         *
+         * @param bool      $show_screen Whether to show Screen Options tab.
+         *                               Default true.
+         * @param WP_Screen $screen      Current WP_Screen instance.
+         */
+        $this->_show_screen_options = apply_filters( 'screen_options_show_screen', $show_screen, $this );
+        return $this->_show_screen_options;
+    }
+
+    /**
+     * Render the screen options tab.
+     *
+     * @since 3.3.0
+     *
+     * @param array $options {
+     *     Options for the tab.
+     *
+     *     @type bool $wrap Whether the screen-options-wrap div will be included. Defaults to true.
+     * }
+     */
+    public function render_screen_options( $options = array() ) {
+        $options = wp_parse_args(
+            $options,
+            array(
+                'wrap' => true,
+            )
+        );
+
+        $wrapper_start = '';
+        $wrapper_end   = '';
+        $form_start    = '';
+        $form_end      = '';
+
+        // Output optional wrapper.
+        if ( $options['wrap'] ) {
+            $wrapper_start = '<div id="screen-options-wrap" class="hidden" tabindex="-1" aria-label="' . esc_attr__( 'Screen Options Tab' ) . '">';
+            $wrapper_end   = '</div>';
+        }
+
+        // Don't output the form and nonce for the widgets accessibility mode links.
+        if ( 'widgets' !== $this->base ) {
+            $form_start = "\n<form id='adv-settings' method='post'>\n";
+            $form_end   = "\n" . wp_nonce_field( 'screen-options-nonce', 'screenoptionnonce', false, false ) . "\n</form>\n";
+        }
+
+        echo $wrapper_start . $form_start;
+
+        $this->render_meta_boxes_preferences();
+        $this->render_list_table_columns_preferences();
+        $this->render_screen_layout();
+        $this->render_per_page_options();
+        $this->render_view_mode();
+        echo $this->_screen_settings;
+
+        /**
+         * Filters whether to show the Screen Options submit button.
+         *
+         * @since 4.4.0
+         *
+         * @param bool      $show_button Whether to show Screen Options submit button.
+         *                               Default false.
+         * @param WP_Screen $screen      Current WP_Screen instance.
+         */
+        $show_button = apply_filters( 'screen_options_show_submit', false, $this );
+
+        if ( $show_button ) {
+            submit_button( __( 'Apply' ), 'primary', 'screen-options-apply', true );
+        }
+
+        echo $form_end . $wrapper_end;
+    }
+
+    /**
+     * Render the meta boxes preferences.
+     *
+     * @since 4.4.0
+     *
+     * @global array $wp_meta_boxes
+     */
+    public function render_meta_boxes_preferences() {
+        global $wp_meta_boxes;
+
+        if ( ! isset( $wp_meta_boxes[ $this->id ] ) ) {
+            return;
+        }
+        ?>
 		<fieldset class="metabox-prefs">
 		<legend><?php _e( 'Screen elements' ); ?></legend>
 		<p>
@@ -1118,158 +1118,158 @@ 
 		</p>
 		<?php
 
-		meta_box_prefs( $this );
-
-		if ( 'dashboard' === $this->id && has_action( 'welcome_panel' ) && current_user_can( 'edit_theme_options' ) ) {
-			if ( isset( $_GET['welcome'] ) ) {
-				$welcome_checked = empty( $_GET['welcome'] ) ? 0 : 1;
-				update_user_meta( get_current_user_id(), 'show_welcome_panel', $welcome_checked );
-			} else {
-				$welcome_checked = (int) get_user_meta( get_current_user_id(), 'show_welcome_panel', true );
-				if ( 2 === $welcome_checked && wp_get_current_user()->user_email !== get_option( 'admin_email' ) ) {
-					$welcome_checked = false;
-				}
-			}
-			echo '<label for="wp_welcome_panel-hide">';
-			echo '<input type="checkbox" id="wp_welcome_panel-hide"' . checked( (bool) $welcome_checked, true, false ) . ' />';
-			echo _x( 'Welcome', 'Welcome panel' ) . "</label>\n";
-		}
-		?>
+        meta_box_prefs( $this );
+
+        if ( 'dashboard' === $this->id && has_action( 'welcome_panel' ) && current_user_can( 'edit_theme_options' ) ) {
+            if ( isset( $_GET['welcome'] ) ) {
+                $welcome_checked = empty( $_GET['welcome'] ) ? 0 : 1;
+                update_user_meta( get_current_user_id(), 'show_welcome_panel', $welcome_checked );
+            } else {
+                $welcome_checked = (int) get_user_meta( get_current_user_id(), 'show_welcome_panel', true );
+                if ( 2 === $welcome_checked && wp_get_current_user()->user_email !== get_option( 'admin_email' ) ) {
+                    $welcome_checked = false;
+                }
+            }
+            echo '<label for="wp_welcome_panel-hide">';
+            echo '<input type="checkbox" id="wp_welcome_panel-hide"' . checked( (bool) $welcome_checked, true, false ) . ' />';
+            echo _x( 'Welcome', 'Welcome panel' ) . "</label>\n";
+        }
+        ?>
 		</fieldset>
 		<?php
-	}
+    }
 
-	/**
-	 * Render the list table columns preferences.
-	 *
-	 * @since 4.4.0
-	 */
-	public function render_list_table_columns_preferences() {
+    /**
+     * Render the list table columns preferences.
+     *
+     * @since 4.4.0
+     */
+    public function render_list_table_columns_preferences() {
 
-		$columns = get_column_headers( $this );
-		$hidden  = get_hidden_columns( $this );
+        $columns = get_column_headers( $this );
+        $hidden  = get_hidden_columns( $this );
 
-		if ( ! $columns ) {
-			return;
-		}
+        if ( ! $columns ) {
+            return;
+        }
 
-		$legend = ! empty( $columns['_title'] ) ? $columns['_title'] : __( 'Columns' );
-		?>
+        $legend = ! empty( $columns['_title'] ) ? $columns['_title'] : __( 'Columns' );
+        ?>
 		<fieldset class="metabox-prefs">
 		<legend><?php echo $legend; ?></legend>
 		<?php
-		$special = array( '_title', 'cb', 'comment', 'media', 'name', 'title', 'username', 'blogname' );
+        $special = array( '_title', 'cb', 'comment', 'media', 'name', 'title', 'username', 'blogname' );
 
-		foreach ( $columns as $column => $title ) {
-			// Can't hide these for they are special.
-			if ( in_array( $column, $special, true ) ) {
-				continue;
-			}
+        foreach ( $columns as $column => $title ) {
+            // Can't hide these for they are special.
+            if ( in_array( $column, $special, true ) ) {
+                continue;
+            }
 
-			if ( empty( $title ) ) {
-				continue;
-			}
+            if ( empty( $title ) ) {
+                continue;
+            }
 
-			/*
+            /*
 			 * The Comments column uses HTML in the display name with some screen
 			 * reader text. Make sure to strip tags from the Comments column
 			 * title and any other custom column title plugins might add.
 			 */
-			$title = wp_strip_all_tags( $title );
-
-			$id = "$column-hide";
-			echo '<label>';
-			echo '<input class="hide-column-tog" name="' . $id . '" type="checkbox" id="' . $id . '" value="' . $column . '"' . checked( ! in_array( $column, $hidden, true ), true, false ) . ' />';
-			echo "$title</label>\n";
-		}
-		?>
+            $title = wp_strip_all_tags( $title );
+
+            $id = "$column-hide";
+            echo '<label>';
+            echo '<input class="hide-column-tog" name="' . $id . '" type="checkbox" id="' . $id . '" value="' . $column . '"' . checked( ! in_array( $column, $hidden, true ), true, false ) . ' />';
+            echo "$title</label>\n";
+        }
+        ?>
 		</fieldset>
 		<?php
-	}
-
-	/**
-	 * Render the option for number of columns on the page
-	 *
-	 * @since 3.3.0
-	 */
-	public function render_screen_layout() {
-		if ( ! $this->get_option( 'layout_columns' ) ) {
-			return;
-		}
-
-		$screen_layout_columns = $this->get_columns();
-		$num                   = $this->get_option( 'layout_columns', 'max' );
-
-		?>
+    }
+
+    /**
+     * Render the option for number of columns on the page
+     *
+     * @since 3.3.0
+     */
+    public function render_screen_layout() {
+        if ( ! $this->get_option( 'layout_columns' ) ) {
+            return;
+        }
+
+        $screen_layout_columns = $this->get_columns();
+        $num                   = $this->get_option( 'layout_columns', 'max' );
+
+        ?>
 		<fieldset class='columns-prefs'>
 		<legend class="screen-layout"><?php _e( 'Layout' ); ?></legend>
 		<?php for ( $i = 1; $i <= $num; ++$i ) : ?>
 			<label class="columns-prefs-<?php echo $i; ?>">
 			<input type='radio' name='screen_columns' value='<?php echo esc_attr( $i ); ?>' <?php checked( $screen_layout_columns, $i ); ?> />
 			<?php
-				printf(
-					/* translators: %s: Number of columns on the page. */
-					_n( '%s column', '%s columns', $i ),
-					number_format_i18n( $i )
-				);
-			?>
+                printf(
+                    /* translators: %s: Number of columns on the page. */
+                    _n( '%s column', '%s columns', $i ),
+                    number_format_i18n( $i )
+                );
+            ?>
 			</label>
 		<?php endfor; ?>
 		</fieldset>
 		<?php
-	}
-
-	/**
-	 * Render the items per page option
-	 *
-	 * @since 3.3.0
-	 */
-	public function render_per_page_options() {
-		if ( null === $this->get_option( 'per_page' ) ) {
-			return;
-		}
-
-		$per_page_label = $this->get_option( 'per_page', 'label' );
-		if ( null === $per_page_label ) {
-			$per_page_label = __( 'Number of items per page:' );
-		}
-
-		$option = $this->get_option( 'per_page', 'option' );
-		if ( ! $option ) {
-			$option = str_replace( '-', '_', "{$this->id}_per_page" );
-		}
-
-		$per_page = (int) get_user_option( $option );
-		if ( empty( $per_page ) || $per_page < 1 ) {
-			$per_page = $this->get_option( 'per_page', 'default' );
-			if ( ! $per_page ) {
-				$per_page = 20;
-			}
-		}
-
-		if ( 'edit_comments_per_page' === $option ) {
-			$comment_status = isset( $_REQUEST['comment_status'] ) ? $_REQUEST['comment_status'] : 'all';
-
-			/** This filter is documented in wp-admin/includes/class-wp-comments-list-table.php */
-			$per_page = apply_filters( 'comments_per_page', $per_page, $comment_status );
-		} elseif ( 'categories_per_page' === $option ) {
-			/** This filter is documented in wp-admin/includes/class-wp-terms-list-table.php */
-			$per_page = apply_filters( 'edit_categories_per_page', $per_page );
-		} else {
-			/** This filter is documented in wp-admin/includes/class-wp-list-table.php */
-			$per_page = apply_filters( "{$option}", $per_page );
-		}
-
-		// Back compat.
-		if ( isset( $this->post_type ) ) {
-			/** This filter is documented in wp-admin/includes/post.php */
-			$per_page = apply_filters( 'edit_posts_per_page', $per_page, $this->post_type );
-		}
-
-		// This needs a submit button.
-		add_filter( 'screen_options_show_submit', '__return_true' );
-
-		?>
+    }
+
+    /**
+     * Render the items per page option
+     *
+     * @since 3.3.0
+     */
+    public function render_per_page_options() {
+        if ( null === $this->get_option( 'per_page' ) ) {
+            return;
+        }
+
+        $per_page_label = $this->get_option( 'per_page', 'label' );
+        if ( null === $per_page_label ) {
+            $per_page_label = __( 'Number of items per page:' );
+        }
+
+        $option = $this->get_option( 'per_page', 'option' );
+        if ( ! $option ) {
+            $option = str_replace( '-', '_', "{$this->id}_per_page" );
+        }
+
+        $per_page = (int) get_user_option( $option );
+        if ( empty( $per_page ) || $per_page < 1 ) {
+            $per_page = $this->get_option( 'per_page', 'default' );
+            if ( ! $per_page ) {
+                $per_page = 20;
+            }
+        }
+
+        if ( 'edit_comments_per_page' === $option ) {
+            $comment_status = isset( $_REQUEST['comment_status'] ) ? $_REQUEST['comment_status'] : 'all';
+
+            /** This filter is documented in wp-admin/includes/class-wp-comments-list-table.php */
+            $per_page = apply_filters( 'comments_per_page', $per_page, $comment_status );
+        } elseif ( 'categories_per_page' === $option ) {
+            /** This filter is documented in wp-admin/includes/class-wp-terms-list-table.php */
+            $per_page = apply_filters( 'edit_categories_per_page', $per_page );
+        } else {
+            /** This filter is documented in wp-admin/includes/class-wp-list-table.php */
+            $per_page = apply_filters( "{$option}", $per_page );
+        }
+
+        // Back compat.
+        if ( isset( $this->post_type ) ) {
+            /** This filter is documented in wp-admin/includes/post.php */
+            $per_page = apply_filters( 'edit_posts_per_page', $per_page, $this->post_type );
+        }
+
+        // This needs a submit button.
+        add_filter( 'screen_options_show_submit', '__return_true' );
+
+        ?>
 		<fieldset class="screen-options">
 		<legend><?php _e( 'Pagination' ); ?></legend>
 			<?php if ( $per_page_label ) : ?>
@@ -1281,48 +1281,48 @@ 
 				<input type="hidden" name="wp_screen_options[option]" value="<?php echo esc_attr( $option ); ?>" />
 		</fieldset>
 		<?php
-	}
-
-	/**
-	 * Render the list table view mode preferences.
-	 *
-	 * @since 4.4.0
-	 *
-	 * @global string $mode List table view mode.
-	 */
-	public function render_view_mode() {
-		global $mode;
-
-		$screen = get_current_screen();
-
-		// Currently only enabled for posts and comments lists.
-		if ( 'edit' !== $screen->base && 'edit-comments' !== $screen->base ) {
-			return;
-		}
-
-		$view_mode_post_types = get_post_types( array( 'show_ui' => true ) );
-
-		/**
-		 * Filters the post types that have different view mode options.
-		 *
-		 * @since 4.4.0
-		 *
-		 * @param string[] $view_mode_post_types Array of post types that can change view modes.
-		 *                                       Default post types with show_ui on.
-		 */
-		$view_mode_post_types = apply_filters( 'view_mode_post_types', $view_mode_post_types );
-
-		if ( 'edit' === $screen->base && ! in_array( $this->post_type, $view_mode_post_types, true ) ) {
-			return;
-		}
-
-		if ( ! isset( $mode ) ) {
-			$mode = get_user_setting( 'posts_list_mode', 'list' );
-		}
-
-		// This needs a submit button.
-		add_filter( 'screen_options_show_submit', '__return_true' );
-		?>
+    }
+
+    /**
+     * Render the list table view mode preferences.
+     *
+     * @since 4.4.0
+     *
+     * @global string $mode List table view mode.
+     */
+    public function render_view_mode() {
+        global $mode;
+
+        $screen = get_current_screen();
+
+        // Currently only enabled for posts and comments lists.
+        if ( 'edit' !== $screen->base && 'edit-comments' !== $screen->base ) {
+            return;
+        }
+
+        $view_mode_post_types = get_post_types( array( 'show_ui' => true ) );
+
+        /**
+         * Filters the post types that have different view mode options.
+         *
+         * @since 4.4.0
+         *
+         * @param string[] $view_mode_post_types Array of post types that can change view modes.
+         *                                       Default post types with show_ui on.
+         */
+        $view_mode_post_types = apply_filters( 'view_mode_post_types', $view_mode_post_types );
+
+        if ( 'edit' === $screen->base && ! in_array( $this->post_type, $view_mode_post_types, true ) ) {
+            return;
+        }
+
+        if ( ! isset( $mode ) ) {
+            $mode = get_user_setting( 'posts_list_mode', 'list' );
+        }
+
+        // This needs a submit button.
+        add_filter( 'screen_options_show_submit', '__return_true' );
+        ?>
 		<fieldset class="metabox-prefs view-mode">
 			<legend><?php _e( 'View mode' ); ?></legend>
 			<label for="list-view-mode">
@@ -1335,21 +1335,21 @@ 
 			</label>
 		</fieldset>
 		<?php
-	}
-
-	/**
-	 * Render screen reader text.
-	 *
-	 * @since 4.4.0
-	 *
-	 * @param string $key The screen reader text array named key.
-	 * @param string $tag Optional. The HTML tag to wrap the screen reader text. Default h2.
-	 */
-	public function render_screen_reader_content( $key = '', $tag = 'h2' ) {
-
-		if ( ! isset( $this->_screen_reader_content[ $key ] ) ) {
-			return;
-		}
-		echo "<$tag class='screen-reader-text'>" . $this->_screen_reader_content[ $key ] . "</$tag>";
-	}
+    }
+
+    /**
+     * Render screen reader text.
+     *
+     * @since 4.4.0
+     *
+     * @param string $key The screen reader text array named key.
+     * @param string $tag Optional. The HTML tag to wrap the screen reader text. Default h2.
+     */
+    public function render_screen_reader_content( $key = '', $tag = 'h2' ) {
+
+        if ( ! isset( $this->_screen_reader_content[ $key ] ) ) {
+            return;
+        }
+        echo "<$tag class='screen-reader-text'>" . $this->_screen_reader_content[ $key ] . "</$tag>";
+    }
 }

brighty/wp-admin/includes/edit-tag-messages.php

Indentation +27 added lines, -27 removed lines

@@ -10,33 +10,33 @@ 
 $messages = array();
 // 0 = unused. Messages start at index 1.
 $messages['_item'] = array(
-	0 => '',
-	1 => __( 'Item added.' ),
-	2 => __( 'Item deleted.' ),
-	3 => __( 'Item updated.' ),
-	4 => __( 'Item not added.' ),
-	5 => __( 'Item not updated.' ),
-	6 => __( 'Items deleted.' ),
+    0 => '',
+    1 => __( 'Item added.' ),
+    2 => __( 'Item deleted.' ),
+    3 => __( 'Item updated.' ),
+    4 => __( 'Item not added.' ),
+    5 => __( 'Item not updated.' ),
+    6 => __( 'Items deleted.' ),
 );
 
 $messages['category'] = array(
-	0 => '',
-	1 => __( 'Category added.' ),
-	2 => __( 'Category deleted.' ),
-	3 => __( 'Category updated.' ),
-	4 => __( 'Category not added.' ),
-	5 => __( 'Category not updated.' ),
-	6 => __( 'Categories deleted.' ),
+    0 => '',
+    1 => __( 'Category added.' ),
+    2 => __( 'Category deleted.' ),
+    3 => __( 'Category updated.' ),
+    4 => __( 'Category not added.' ),
+    5 => __( 'Category not updated.' ),
+    6 => __( 'Categories deleted.' ),
 );
 
 $messages['post_tag'] = array(
-	0 => '',
-	1 => __( 'Tag added.' ),
-	2 => __( 'Tag deleted.' ),
-	3 => __( 'Tag updated.' ),
-	4 => __( 'Tag not added.' ),
-	5 => __( 'Tag not updated.' ),
-	6 => __( 'Tags deleted.' ),
+    0 => '',
+    1 => __( 'Tag added.' ),
+    2 => __( 'Tag deleted.' ),
+    3 => __( 'Tag updated.' ),
+    4 => __( 'Tag not added.' ),
+    5 => __( 'Tag not updated.' ),
+    6 => __( 'Tags deleted.' ),
 );
 
 /**
@@ -50,10 +50,10 @@ 
 
 $message = false;
 if ( isset( $_REQUEST['message'] ) && (int) $_REQUEST['message'] ) {
-	$msg = (int) $_REQUEST['message'];
-	if ( isset( $messages[ $taxonomy ][ $msg ] ) ) {
-		$message = $messages[ $taxonomy ][ $msg ];
-	} elseif ( ! isset( $messages[ $taxonomy ] ) && isset( $messages['_item'][ $msg ] ) ) {
-		$message = $messages['_item'][ $msg ];
-	}
+    $msg = (int) $_REQUEST['message'];
+    if ( isset( $messages[ $taxonomy ][ $msg ] ) ) {
+        $message = $messages[ $taxonomy ][ $msg ];
+    } elseif ( ! isset( $messages[ $taxonomy ] ) && isset( $messages['_item'][ $msg ] ) ) {
+        $message = $messages['_item'][ $msg ];
+    }
 }

brighty/wp-admin/includes/class-wp-upgrader.php

Indentation +888 added lines, -888 removed lines

@@ -50,903 +50,903 @@
  */
 class WP_Upgrader {
 
-	/**
-	 * The error/notification strings used to update the user on the progress.
-	 *
-	 * @since 2.8.0
-	 * @var array $strings
-	 */
-	public $strings = array();
-
-	/**
-	 * The upgrader skin being used.
-	 *
-	 * @since 2.8.0
-	 * @var Automatic_Upgrader_Skin|WP_Upgrader_Skin $skin
-	 */
-	public $skin = null;
-
-	/**
-	 * The result of the installation.
-	 *
-	 * This is set by WP_Upgrader::install_package(), only when the package is installed
-	 * successfully. It will then be an array, unless a WP_Error is returned by the
-	 * {@see 'upgrader_post_install'} filter. In that case, the WP_Error will be assigned to
-	 * it.
-	 *
-	 * @since 2.8.0
-	 *
-	 * @var array|WP_Error $result {
-	 *     @type string $source             The full path to the source the files were installed from.
-	 *     @type string $source_files       List of all the files in the source directory.
-	 *     @type string $destination        The full path to the installation destination folder.
-	 *     @type string $destination_name   The name of the destination folder, or empty if `$destination`
-	 *                                      and `$local_destination` are the same.
-	 *     @type string $local_destination  The full local path to the destination folder. This is usually
-	 *                                      the same as `$destination`.
-	 *     @type string $remote_destination The full remote path to the destination folder
-	 *                                      (i.e., from `$wp_filesystem`).
-	 *     @type bool   $clear_destination  Whether the destination folder was cleared.
-	 * }
-	 */
-	public $result = array();
-
-	/**
-	 * The total number of updates being performed.
-	 *
-	 * Set by the bulk update methods.
-	 *
-	 * @since 3.0.0
-	 * @var int $update_count
-	 */
-	public $update_count = 0;
-
-	/**
-	 * The current update if multiple updates are being performed.
-	 *
-	 * Used by the bulk update methods, and incremented for each update.
-	 *
-	 * @since 3.0.0
-	 * @var int
-	 */
-	public $update_current = 0;
-
-	/**
-	 * Construct the upgrader with a skin.
-	 *
-	 * @since 2.8.0
-	 *
-	 * @param WP_Upgrader_Skin $skin The upgrader skin to use. Default is a WP_Upgrader_Skin
-	 *                               instance.
-	 */
-	public function __construct( $skin = null ) {
-		if ( null === $skin ) {
-			$this->skin = new WP_Upgrader_Skin();
-		} else {
-			$this->skin = $skin;
-		}
-	}
-
-	/**
-	 * Initialize the upgrader.
-	 *
-	 * This will set the relationship between the skin being used and this upgrader,
-	 * and also add the generic strings to `WP_Upgrader::$strings`.
-	 *
-	 * @since 2.8.0
-	 */
-	public function init() {
-		$this->skin->set_upgrader( $this );
-		$this->generic_strings();
-	}
-
-	/**
-	 * Add the generic strings to WP_Upgrader::$strings.
-	 *
-	 * @since 2.8.0
-	 */
-	public function generic_strings() {
-		$this->strings['bad_request']       = __( 'Invalid data provided.' );
-		$this->strings['fs_unavailable']    = __( 'Could not access filesystem.' );
-		$this->strings['fs_error']          = __( 'Filesystem error.' );
-		$this->strings['fs_no_root_dir']    = __( 'Unable to locate WordPress root directory.' );
-		$this->strings['fs_no_content_dir'] = __( 'Unable to locate WordPress content directory (wp-content).' );
-		$this->strings['fs_no_plugins_dir'] = __( 'Unable to locate WordPress plugin directory.' );
-		$this->strings['fs_no_themes_dir']  = __( 'Unable to locate WordPress theme directory.' );
-		/* translators: %s: Directory name. */
-		$this->strings['fs_no_folder'] = __( 'Unable to locate needed folder (%s).' );
-
-		$this->strings['download_failed']      = __( 'Download failed.' );
-		$this->strings['installing_package']   = __( 'Installing the latest version…' );
-		$this->strings['no_files']             = __( 'The package contains no files.' );
-		$this->strings['folder_exists']        = __( 'Destination folder already exists.' );
-		$this->strings['mkdir_failed']         = __( 'Could not create directory.' );
-		$this->strings['incompatible_archive'] = __( 'The package could not be installed.' );
-		$this->strings['files_not_writable']   = __( 'The update cannot be installed because some files could not be copied. This is usually due to inconsistent file permissions.' );
-
-		$this->strings['maintenance_start'] = __( 'Enabling Maintenance mode…' );
-		$this->strings['maintenance_end']   = __( 'Disabling Maintenance mode…' );
-	}
-
-	/**
-	 * Connect to the filesystem.
-	 *
-	 * @since 2.8.0
-	 *
-	 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
-	 *
-	 * @param string[] $directories                  Optional. Array of directories. If any of these do
-	 *                                               not exist, a WP_Error object will be returned.
-	 *                                               Default empty array.
-	 * @param bool     $allow_relaxed_file_ownership Whether to allow relaxed file ownership.
-	 *                                               Default false.
-	 * @return bool|WP_Error True if able to connect, false or a WP_Error otherwise.
-	 */
-	public function fs_connect( $directories = array(), $allow_relaxed_file_ownership = false ) {
-		global $wp_filesystem;
-
-		$credentials = $this->skin->request_filesystem_credentials( false, $directories[0], $allow_relaxed_file_ownership );
-		if ( false === $credentials ) {
-			return false;
-		}
-
-		if ( ! WP_Filesystem( $credentials, $directories[0], $allow_relaxed_file_ownership ) ) {
-			$error = true;
-			if ( is_object( $wp_filesystem ) && $wp_filesystem->errors->has_errors() ) {
-				$error = $wp_filesystem->errors;
-			}
-			// Failed to connect. Error and request again.
-			$this->skin->request_filesystem_credentials( $error, $directories[0], $allow_relaxed_file_ownership );
-			return false;
-		}
-
-		if ( ! is_object( $wp_filesystem ) ) {
-			return new WP_Error( 'fs_unavailable', $this->strings['fs_unavailable'] );
-		}
-
-		if ( is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() ) {
-			return new WP_Error( 'fs_error', $this->strings['fs_error'], $wp_filesystem->errors );
-		}
-
-		foreach ( (array) $directories as $dir ) {
-			switch ( $dir ) {
-				case ABSPATH:
-					if ( ! $wp_filesystem->abspath() ) {
-						return new WP_Error( 'fs_no_root_dir', $this->strings['fs_no_root_dir'] );
-					}
-					break;
-				case WP_CONTENT_DIR:
-					if ( ! $wp_filesystem->wp_content_dir() ) {
-						return new WP_Error( 'fs_no_content_dir', $this->strings['fs_no_content_dir'] );
-					}
-					break;
-				case WP_PLUGIN_DIR:
-					if ( ! $wp_filesystem->wp_plugins_dir() ) {
-						return new WP_Error( 'fs_no_plugins_dir', $this->strings['fs_no_plugins_dir'] );
-					}
-					break;
-				case get_theme_root():
-					if ( ! $wp_filesystem->wp_themes_dir() ) {
-						return new WP_Error( 'fs_no_themes_dir', $this->strings['fs_no_themes_dir'] );
-					}
-					break;
-				default:
-					if ( ! $wp_filesystem->find_folder( $dir ) ) {
-						return new WP_Error( 'fs_no_folder', sprintf( $this->strings['fs_no_folder'], esc_html( basename( $dir ) ) ) );
-					}
-					break;
-			}
-		}
-		return true;
-	}
-
-	/**
-	 * Download a package.
-	 *
-	 * @since 2.8.0
-	 * @since 5.2.0 Added the `$check_signatures` parameter.
-	 * @since 5.5.0 Added the `$hook_extra` parameter.
-	 *
-	 * @param string $package          The URI of the package. If this is the full path to an
-	 *                                 existing local file, it will be returned untouched.
-	 * @param bool   $check_signatures Whether to validate file signatures. Default false.
-	 * @param array  $hook_extra       Extra arguments to pass to the filter hooks. Default empty array.
-	 * @return string|WP_Error The full path to the downloaded package file, or a WP_Error object.
-	 */
-	public function download_package( $package, $check_signatures = false, $hook_extra = array() ) {
-		/**
-		 * Filters whether to return the package.
-		 *
-		 * @since 3.7.0
-		 * @since 5.5.0 Added the `$hook_extra` parameter.
-		 *
-		 * @param bool        $reply      Whether to bail without returning the package.
-		 *                                Default false.
-		 * @param string      $package    The package file name.
-		 * @param WP_Upgrader $upgrader   The WP_Upgrader instance.
-		 * @param array       $hook_extra Extra arguments passed to hooked filters.
-		 */
-		$reply = apply_filters( 'upgrader_pre_download', false, $package, $this, $hook_extra );
-		if ( false !== $reply ) {
-			return $reply;
-		}
-
-		if ( ! preg_match( '!^(http|https|ftp)://!i', $package ) && file_exists( $package ) ) { // Local file or remote?
-			return $package; // Must be a local file.
-		}
-
-		if ( empty( $package ) ) {
-			return new WP_Error( 'no_package', $this->strings['no_package'] );
-		}
-
-		$this->skin->feedback( 'downloading_package', $package );
-
-		$download_file = download_url( $package, 300, $check_signatures );
-
-		if ( is_wp_error( $download_file ) && ! $download_file->get_error_data( 'softfail-filename' ) ) {
-			return new WP_Error( 'download_failed', $this->strings['download_failed'], $download_file->get_error_message() );
-		}
-
-		return $download_file;
-	}
-
-	/**
-	 * Unpack a compressed package file.
-	 *
-	 * @since 2.8.0
-	 *
-	 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
-	 *
-	 * @param string $package        Full path to the package file.
-	 * @param bool   $delete_package Optional. Whether to delete the package file after attempting
-	 *                               to unpack it. Default true.
-	 * @return string|WP_Error The path to the unpacked contents, or a WP_Error on failure.
-	 */
-	public function unpack_package( $package, $delete_package = true ) {
-		global $wp_filesystem;
-
-		$this->skin->feedback( 'unpack_package' );
-
-		$upgrade_folder = $wp_filesystem->wp_content_dir() . 'upgrade/';
-
-		// Clean up contents of upgrade directory beforehand.
-		$upgrade_files = $wp_filesystem->dirlist( $upgrade_folder );
-		if ( ! empty( $upgrade_files ) ) {
-			foreach ( $upgrade_files as $file ) {
-				$wp_filesystem->delete( $upgrade_folder . $file['name'], true );
-			}
-		}
-
-		// We need a working directory - strip off any .tmp or .zip suffixes.
-		$working_dir = $upgrade_folder . basename( basename( $package, '.tmp' ), '.zip' );
-
-		// Clean up working directory.
-		if ( $wp_filesystem->is_dir( $working_dir ) ) {
-			$wp_filesystem->delete( $working_dir, true );
-		}
-
-		// Unzip package to working directory.
-		$result = unzip_file( $package, $working_dir );
-
-		// Once extracted, delete the package if required.
-		if ( $delete_package ) {
-			unlink( $package );
-		}
-
-		if ( is_wp_error( $result ) ) {
-			$wp_filesystem->delete( $working_dir, true );
-			if ( 'incompatible_archive' === $result->get_error_code() ) {
-				return new WP_Error( 'incompatible_archive', $this->strings['incompatible_archive'], $result->get_error_data() );
-			}
-			return $result;
-		}
-
-		return $working_dir;
-	}
-
-	/**
-	 * Flatten the results of WP_Filesystem_Base::dirlist() for iterating over.
-	 *
-	 * @since 4.9.0
-	 * @access protected
-	 *
-	 * @param array  $nested_files Array of files as returned by WP_Filesystem_Base::dirlist().
-	 * @param string $path         Relative path to prepend to child nodes. Optional.
-	 * @return array A flattened array of the $nested_files specified.
-	 */
-	protected function flatten_dirlist( $nested_files, $path = '' ) {
-		$files = array();
-
-		foreach ( $nested_files as $name => $details ) {
-			$files[ $path . $name ] = $details;
-
-			// Append children recursively.
-			if ( ! empty( $details['files'] ) ) {
-				$children = $this->flatten_dirlist( $details['files'], $path . $name . '/' );
-
-				// Merge keeping possible numeric keys, which array_merge() will reindex from 0..n.
-				$files = $files + $children;
-			}
-		}
-
-		return $files;
-	}
-
-	/**
-	 * Clears the directory where this item is going to be installed into.
-	 *
-	 * @since 4.3.0
-	 *
-	 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
-	 *
-	 * @param string $remote_destination The location on the remote filesystem to be cleared.
-	 * @return true|WP_Error True upon success, WP_Error on failure.
-	 */
-	public function clear_destination( $remote_destination ) {
-		global $wp_filesystem;
-
-		$files = $wp_filesystem->dirlist( $remote_destination, true, true );
-
-		// False indicates that the $remote_destination doesn't exist.
-		if ( false === $files ) {
-			return true;
-		}
-
-		// Flatten the file list to iterate over.
-		$files = $this->flatten_dirlist( $files );
-
-		// Check all files are writable before attempting to clear the destination.
-		$unwritable_files = array();
-
-		// Check writability.
-		foreach ( $files as $filename => $file_details ) {
-			if ( ! $wp_filesystem->is_writable( $remote_destination . $filename ) ) {
-				// Attempt to alter permissions to allow writes and try again.
-				$wp_filesystem->chmod( $remote_destination . $filename, ( 'd' === $file_details['type'] ? FS_CHMOD_DIR : FS_CHMOD_FILE ) );
-				if ( ! $wp_filesystem->is_writable( $remote_destination . $filename ) ) {
-					$unwritable_files[] = $filename;
-				}
-			}
-		}
-
-		if ( ! empty( $unwritable_files ) ) {
-			return new WP_Error( 'files_not_writable', $this->strings['files_not_writable'], implode( ', ', $unwritable_files ) );
-		}
-
-		if ( ! $wp_filesystem->delete( $remote_destination, true ) ) {
-			return new WP_Error( 'remove_old_failed', $this->strings['remove_old_failed'] );
-		}
-
-		return true;
-	}
-
-	/**
-	 * Install a package.
-	 *
-	 * Copies the contents of a package from a source directory, and installs them in
-	 * a destination directory. Optionally removes the source. It can also optionally
-	 * clear out the destination folder if it already exists.
-	 *
-	 * @since 2.8.0
-	 *
-	 * @global WP_Filesystem_Base $wp_filesystem        WordPress filesystem subclass.
-	 * @global array              $wp_theme_directories
-	 *
-	 * @param array|string $args {
-	 *     Optional. Array or string of arguments for installing a package. Default empty array.
-	 *
-	 *     @type string $source                      Required path to the package source. Default empty.
-	 *     @type string $destination                 Required path to a folder to install the package in.
-	 *                                               Default empty.
-	 *     @type bool   $clear_destination           Whether to delete any files already in the destination
-	 *                                               folder. Default false.
-	 *     @type bool   $clear_working               Whether to delete the files from the working directory
-	 *                                               after copying them to the destination. Default false.
-	 *     @type bool   $abort_if_destination_exists Whether to abort the installation if
-	 *                                               the destination folder already exists. Default true.
-	 *     @type array  $hook_extra                  Extra arguments to pass to the filter hooks called by
-	 *                                               WP_Upgrader::install_package(). Default empty array.
-	 * }
-	 *
-	 * @return array|WP_Error The result (also stored in `WP_Upgrader::$result`), or a WP_Error on failure.
-	 */
-	public function install_package( $args = array() ) {
-		global $wp_filesystem, $wp_theme_directories;
-
-		$defaults = array(
-			'source'                      => '', // Please always pass this.
-			'destination'                 => '', // ...and this.
-			'clear_destination'           => false,
-			'clear_working'               => false,
-			'abort_if_destination_exists' => true,
-			'hook_extra'                  => array(),
-		);
-
-		$args = wp_parse_args( $args, $defaults );
-
-		// These were previously extract()'d.
-		$source            = $args['source'];
-		$destination       = $args['destination'];
-		$clear_destination = $args['clear_destination'];
-
-		set_time_limit( 300 );
-
-		if ( empty( $source ) || empty( $destination ) ) {
-			return new WP_Error( 'bad_request', $this->strings['bad_request'] );
-		}
-		$this->skin->feedback( 'installing_package' );
-
-		/**
-		 * Filters the installation response before the installation has started.
-		 *
-		 * Returning a value that could be evaluated as a `WP_Error` will effectively
-		 * short-circuit the installation, returning that value instead.
-		 *
-		 * @since 2.8.0
-		 *
-		 * @param bool|WP_Error $response   Installation response.
-		 * @param array         $hook_extra Extra arguments passed to hooked filters.
-		 */
-		$res = apply_filters( 'upgrader_pre_install', true, $args['hook_extra'] );
-
-		if ( is_wp_error( $res ) ) {
-			return $res;
-		}
-
-		// Retain the original source and destinations.
-		$remote_source     = $args['source'];
-		$local_destination = $destination;
-
-		$source_files       = array_keys( $wp_filesystem->dirlist( $remote_source ) );
-		$remote_destination = $wp_filesystem->find_folder( $local_destination );
-
-		// Locate which directory to copy to the new folder. This is based on the actual folder holding the files.
-		if ( 1 === count( $source_files ) && $wp_filesystem->is_dir( trailingslashit( $args['source'] ) . $source_files[0] . '/' ) ) {
-			// Only one folder? Then we want its contents.
-			$source = trailingslashit( $args['source'] ) . trailingslashit( $source_files[0] );
-		} elseif ( 0 === count( $source_files ) ) {
-			// There are no files?
-			return new WP_Error( 'incompatible_archive_empty', $this->strings['incompatible_archive'], $this->strings['no_files'] );
-		} else {
-			// It's only a single file, the upgrader will use the folder name of this file as the destination folder.
-			// Folder name is based on zip filename.
-			$source = trailingslashit( $args['source'] );
-		}
-
-		/**
-		 * Filters the source file location for the upgrade package.
-		 *
-		 * @since 2.8.0
-		 * @since 4.4.0 The $hook_extra parameter became available.
-		 *
-		 * @param string      $source        File source location.
-		 * @param string      $remote_source Remote file source location.
-		 * @param WP_Upgrader $upgrader      WP_Upgrader instance.
-		 * @param array       $hook_extra    Extra arguments passed to hooked filters.
-		 */
-		$source = apply_filters( 'upgrader_source_selection', $source, $remote_source, $this, $args['hook_extra'] );
-
-		if ( is_wp_error( $source ) ) {
-			return $source;
-		}
-
-		// Has the source location changed? If so, we need a new source_files list.
-		if ( $source !== $remote_source ) {
-			$source_files = array_keys( $wp_filesystem->dirlist( $source ) );
-		}
-
-		/*
+    /**
+     * The error/notification strings used to update the user on the progress.
+     *
+     * @since 2.8.0
+     * @var array $strings
+     */
+    public $strings = array();
+
+    /**
+     * The upgrader skin being used.
+     *
+     * @since 2.8.0
+     * @var Automatic_Upgrader_Skin|WP_Upgrader_Skin $skin
+     */
+    public $skin = null;
+
+    /**
+     * The result of the installation.
+     *
+     * This is set by WP_Upgrader::install_package(), only when the package is installed
+     * successfully. It will then be an array, unless a WP_Error is returned by the
+     * {@see 'upgrader_post_install'} filter. In that case, the WP_Error will be assigned to
+     * it.
+     *
+     * @since 2.8.0
+     *
+     * @var array|WP_Error $result {
+     *     @type string $source             The full path to the source the files were installed from.
+     *     @type string $source_files       List of all the files in the source directory.
+     *     @type string $destination        The full path to the installation destination folder.
+     *     @type string $destination_name   The name of the destination folder, or empty if `$destination`
+     *                                      and `$local_destination` are the same.
+     *     @type string $local_destination  The full local path to the destination folder. This is usually
+     *                                      the same as `$destination`.
+     *     @type string $remote_destination The full remote path to the destination folder
+     *                                      (i.e., from `$wp_filesystem`).
+     *     @type bool   $clear_destination  Whether the destination folder was cleared.
+     * }
+     */
+    public $result = array();
+
+    /**
+     * The total number of updates being performed.
+     *
+     * Set by the bulk update methods.
+     *
+     * @since 3.0.0
+     * @var int $update_count
+     */
+    public $update_count = 0;
+
+    /**
+     * The current update if multiple updates are being performed.
+     *
+     * Used by the bulk update methods, and incremented for each update.
+     *
+     * @since 3.0.0
+     * @var int
+     */
+    public $update_current = 0;
+
+    /**
+     * Construct the upgrader with a skin.
+     *
+     * @since 2.8.0
+     *
+     * @param WP_Upgrader_Skin $skin The upgrader skin to use. Default is a WP_Upgrader_Skin
+     *                               instance.
+     */
+    public function __construct( $skin = null ) {
+        if ( null === $skin ) {
+            $this->skin = new WP_Upgrader_Skin();
+        } else {
+            $this->skin = $skin;
+        }
+    }
+
+    /**
+     * Initialize the upgrader.
+     *
+     * This will set the relationship between the skin being used and this upgrader,
+     * and also add the generic strings to `WP_Upgrader::$strings`.
+     *
+     * @since 2.8.0
+     */
+    public function init() {
+        $this->skin->set_upgrader( $this );
+        $this->generic_strings();
+    }
+
+    /**
+     * Add the generic strings to WP_Upgrader::$strings.
+     *
+     * @since 2.8.0
+     */
+    public function generic_strings() {
+        $this->strings['bad_request']       = __( 'Invalid data provided.' );
+        $this->strings['fs_unavailable']    = __( 'Could not access filesystem.' );
+        $this->strings['fs_error']          = __( 'Filesystem error.' );
+        $this->strings['fs_no_root_dir']    = __( 'Unable to locate WordPress root directory.' );
+        $this->strings['fs_no_content_dir'] = __( 'Unable to locate WordPress content directory (wp-content).' );
+        $this->strings['fs_no_plugins_dir'] = __( 'Unable to locate WordPress plugin directory.' );
+        $this->strings['fs_no_themes_dir']  = __( 'Unable to locate WordPress theme directory.' );
+        /* translators: %s: Directory name. */
+        $this->strings['fs_no_folder'] = __( 'Unable to locate needed folder (%s).' );
+
+        $this->strings['download_failed']      = __( 'Download failed.' );
+        $this->strings['installing_package']   = __( 'Installing the latest version…' );
+        $this->strings['no_files']             = __( 'The package contains no files.' );
+        $this->strings['folder_exists']        = __( 'Destination folder already exists.' );
+        $this->strings['mkdir_failed']         = __( 'Could not create directory.' );
+        $this->strings['incompatible_archive'] = __( 'The package could not be installed.' );
+        $this->strings['files_not_writable']   = __( 'The update cannot be installed because some files could not be copied. This is usually due to inconsistent file permissions.' );
+
+        $this->strings['maintenance_start'] = __( 'Enabling Maintenance mode…' );
+        $this->strings['maintenance_end']   = __( 'Disabling Maintenance mode…' );
+    }
+
+    /**
+     * Connect to the filesystem.
+     *
+     * @since 2.8.0
+     *
+     * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
+     *
+     * @param string[] $directories                  Optional. Array of directories. If any of these do
+     *                                               not exist, a WP_Error object will be returned.
+     *                                               Default empty array.
+     * @param bool     $allow_relaxed_file_ownership Whether to allow relaxed file ownership.
+     *                                               Default false.
+     * @return bool|WP_Error True if able to connect, false or a WP_Error otherwise.
+     */
+    public function fs_connect( $directories = array(), $allow_relaxed_file_ownership = false ) {
+        global $wp_filesystem;
+
+        $credentials = $this->skin->request_filesystem_credentials( false, $directories[0], $allow_relaxed_file_ownership );
+        if ( false === $credentials ) {
+            return false;
+        }
+
+        if ( ! WP_Filesystem( $credentials, $directories[0], $allow_relaxed_file_ownership ) ) {
+            $error = true;
+            if ( is_object( $wp_filesystem ) && $wp_filesystem->errors->has_errors() ) {
+                $error = $wp_filesystem->errors;
+            }
+            // Failed to connect. Error and request again.
+            $this->skin->request_filesystem_credentials( $error, $directories[0], $allow_relaxed_file_ownership );
+            return false;
+        }
+
+        if ( ! is_object( $wp_filesystem ) ) {
+            return new WP_Error( 'fs_unavailable', $this->strings['fs_unavailable'] );
+        }
+
+        if ( is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() ) {
+            return new WP_Error( 'fs_error', $this->strings['fs_error'], $wp_filesystem->errors );
+        }
+
+        foreach ( (array) $directories as $dir ) {
+            switch ( $dir ) {
+                case ABSPATH:
+                    if ( ! $wp_filesystem->abspath() ) {
+                        return new WP_Error( 'fs_no_root_dir', $this->strings['fs_no_root_dir'] );
+                    }
+                    break;
+                case WP_CONTENT_DIR:
+                    if ( ! $wp_filesystem->wp_content_dir() ) {
+                        return new WP_Error( 'fs_no_content_dir', $this->strings['fs_no_content_dir'] );
+                    }
+                    break;
+                case WP_PLUGIN_DIR:
+                    if ( ! $wp_filesystem->wp_plugins_dir() ) {
+                        return new WP_Error( 'fs_no_plugins_dir', $this->strings['fs_no_plugins_dir'] );
+                    }
+                    break;
+                case get_theme_root():
+                    if ( ! $wp_filesystem->wp_themes_dir() ) {
+                        return new WP_Error( 'fs_no_themes_dir', $this->strings['fs_no_themes_dir'] );
+                    }
+                    break;
+                default:
+                    if ( ! $wp_filesystem->find_folder( $dir ) ) {
+                        return new WP_Error( 'fs_no_folder', sprintf( $this->strings['fs_no_folder'], esc_html( basename( $dir ) ) ) );
+                    }
+                    break;
+            }
+        }
+        return true;
+    }
+
+    /**
+     * Download a package.
+     *
+     * @since 2.8.0
+     * @since 5.2.0 Added the `$check_signatures` parameter.
+     * @since 5.5.0 Added the `$hook_extra` parameter.
+     *
+     * @param string $package          The URI of the package. If this is the full path to an
+     *                                 existing local file, it will be returned untouched.
+     * @param bool   $check_signatures Whether to validate file signatures. Default false.
+     * @param array  $hook_extra       Extra arguments to pass to the filter hooks. Default empty array.
+     * @return string|WP_Error The full path to the downloaded package file, or a WP_Error object.
+     */
+    public function download_package( $package, $check_signatures = false, $hook_extra = array() ) {
+        /**
+         * Filters whether to return the package.
+         *
+         * @since 3.7.0
+         * @since 5.5.0 Added the `$hook_extra` parameter.
+         *
+         * @param bool        $reply      Whether to bail without returning the package.
+         *                                Default false.
+         * @param string      $package    The package file name.
+         * @param WP_Upgrader $upgrader   The WP_Upgrader instance.
+         * @param array       $hook_extra Extra arguments passed to hooked filters.
+         */
+        $reply = apply_filters( 'upgrader_pre_download', false, $package, $this, $hook_extra );
+        if ( false !== $reply ) {
+            return $reply;
+        }
+
+        if ( ! preg_match( '!^(http|https|ftp)://!i', $package ) && file_exists( $package ) ) { // Local file or remote?
+            return $package; // Must be a local file.
+        }
+
+        if ( empty( $package ) ) {
+            return new WP_Error( 'no_package', $this->strings['no_package'] );
+        }
+
+        $this->skin->feedback( 'downloading_package', $package );
+
+        $download_file = download_url( $package, 300, $check_signatures );
+
+        if ( is_wp_error( $download_file ) && ! $download_file->get_error_data( 'softfail-filename' ) ) {
+            return new WP_Error( 'download_failed', $this->strings['download_failed'], $download_file->get_error_message() );
+        }
+
+        return $download_file;
+    }
+
+    /**
+     * Unpack a compressed package file.
+     *
+     * @since 2.8.0
+     *
+     * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
+     *
+     * @param string $package        Full path to the package file.
+     * @param bool   $delete_package Optional. Whether to delete the package file after attempting
+     *                               to unpack it. Default true.
+     * @return string|WP_Error The path to the unpacked contents, or a WP_Error on failure.
+     */
+    public function unpack_package( $package, $delete_package = true ) {
+        global $wp_filesystem;
+
+        $this->skin->feedback( 'unpack_package' );
+
+        $upgrade_folder = $wp_filesystem->wp_content_dir() . 'upgrade/';
+
+        // Clean up contents of upgrade directory beforehand.
+        $upgrade_files = $wp_filesystem->dirlist( $upgrade_folder );
+        if ( ! empty( $upgrade_files ) ) {
+            foreach ( $upgrade_files as $file ) {
+                $wp_filesystem->delete( $upgrade_folder . $file['name'], true );
+            }
+        }
+
+        // We need a working directory - strip off any .tmp or .zip suffixes.
+        $working_dir = $upgrade_folder . basename( basename( $package, '.tmp' ), '.zip' );
+
+        // Clean up working directory.
+        if ( $wp_filesystem->is_dir( $working_dir ) ) {
+            $wp_filesystem->delete( $working_dir, true );
+        }
+
+        // Unzip package to working directory.
+        $result = unzip_file( $package, $working_dir );
+
+        // Once extracted, delete the package if required.
+        if ( $delete_package ) {
+            unlink( $package );
+        }
+
+        if ( is_wp_error( $result ) ) {
+            $wp_filesystem->delete( $working_dir, true );
+            if ( 'incompatible_archive' === $result->get_error_code() ) {
+                return new WP_Error( 'incompatible_archive', $this->strings['incompatible_archive'], $result->get_error_data() );
+            }
+            return $result;
+        }
+
+        return $working_dir;
+    }
+
+    /**
+     * Flatten the results of WP_Filesystem_Base::dirlist() for iterating over.
+     *
+     * @since 4.9.0
+     * @access protected
+     *
+     * @param array  $nested_files Array of files as returned by WP_Filesystem_Base::dirlist().
+     * @param string $path         Relative path to prepend to child nodes. Optional.
+     * @return array A flattened array of the $nested_files specified.
+     */
+    protected function flatten_dirlist( $nested_files, $path = '' ) {
+        $files = array();
+
+        foreach ( $nested_files as $name => $details ) {
+            $files[ $path . $name ] = $details;
+
+            // Append children recursively.
+            if ( ! empty( $details['files'] ) ) {
+                $children = $this->flatten_dirlist( $details['files'], $path . $name . '/' );
+
+                // Merge keeping possible numeric keys, which array_merge() will reindex from 0..n.
+                $files = $files + $children;
+            }
+        }
+
+        return $files;
+    }
+
+    /**
+     * Clears the directory where this item is going to be installed into.
+     *
+     * @since 4.3.0
+     *
+     * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
+     *
+     * @param string $remote_destination The location on the remote filesystem to be cleared.
+     * @return true|WP_Error True upon success, WP_Error on failure.
+     */
+    public function clear_destination( $remote_destination ) {
+        global $wp_filesystem;
+
+        $files = $wp_filesystem->dirlist( $remote_destination, true, true );
+
+        // False indicates that the $remote_destination doesn't exist.
+        if ( false === $files ) {
+            return true;
+        }
+
+        // Flatten the file list to iterate over.
+        $files = $this->flatten_dirlist( $files );
+
+        // Check all files are writable before attempting to clear the destination.
+        $unwritable_files = array();
+
+        // Check writability.
+        foreach ( $files as $filename => $file_details ) {
+            if ( ! $wp_filesystem->is_writable( $remote_destination . $filename ) ) {
+                // Attempt to alter permissions to allow writes and try again.
+                $wp_filesystem->chmod( $remote_destination . $filename, ( 'd' === $file_details['type'] ? FS_CHMOD_DIR : FS_CHMOD_FILE ) );
+                if ( ! $wp_filesystem->is_writable( $remote_destination . $filename ) ) {
+                    $unwritable_files[] = $filename;
+                }
+            }
+        }
+
+        if ( ! empty( $unwritable_files ) ) {
+            return new WP_Error( 'files_not_writable', $this->strings['files_not_writable'], implode( ', ', $unwritable_files ) );
+        }
+
+        if ( ! $wp_filesystem->delete( $remote_destination, true ) ) {
+            return new WP_Error( 'remove_old_failed', $this->strings['remove_old_failed'] );
+        }
+
+        return true;
+    }
+
+    /**
+     * Install a package.
+     *
+     * Copies the contents of a package from a source directory, and installs them in
+     * a destination directory. Optionally removes the source. It can also optionally
+     * clear out the destination folder if it already exists.
+     *
+     * @since 2.8.0
+     *
+     * @global WP_Filesystem_Base $wp_filesystem        WordPress filesystem subclass.
+     * @global array              $wp_theme_directories
+     *
+     * @param array|string $args {
+     *     Optional. Array or string of arguments for installing a package. Default empty array.
+     *
+     *     @type string $source                      Required path to the package source. Default empty.
+     *     @type string $destination                 Required path to a folder to install the package in.
+     *                                               Default empty.
+     *     @type bool   $clear_destination           Whether to delete any files already in the destination
+     *                                               folder. Default false.
+     *     @type bool   $clear_working               Whether to delete the files from the working directory
+     *                                               after copying them to the destination. Default false.
+     *     @type bool   $abort_if_destination_exists Whether to abort the installation if
+     *                                               the destination folder already exists. Default true.
+     *     @type array  $hook_extra                  Extra arguments to pass to the filter hooks called by
+     *                                               WP_Upgrader::install_package(). Default empty array.
+     * }
+     *
+     * @return array|WP_Error The result (also stored in `WP_Upgrader::$result`), or a WP_Error on failure.
+     */
+    public function install_package( $args = array() ) {
+        global $wp_filesystem, $wp_theme_directories;
+
+        $defaults = array(
+            'source'                      => '', // Please always pass this.
+            'destination'                 => '', // ...and this.
+            'clear_destination'           => false,
+            'clear_working'               => false,
+            'abort_if_destination_exists' => true,
+            'hook_extra'                  => array(),
+        );
+
+        $args = wp_parse_args( $args, $defaults );
+
+        // These were previously extract()'d.
+        $source            = $args['source'];
+        $destination       = $args['destination'];
+        $clear_destination = $args['clear_destination'];
+
+        set_time_limit( 300 );
+
+        if ( empty( $source ) || empty( $destination ) ) {
+            return new WP_Error( 'bad_request', $this->strings['bad_request'] );
+        }
+        $this->skin->feedback( 'installing_package' );
+
+        /**
+         * Filters the installation response before the installation has started.
+         *
+         * Returning a value that could be evaluated as a `WP_Error` will effectively
+         * short-circuit the installation, returning that value instead.
+         *
+         * @since 2.8.0
+         *
+         * @param bool|WP_Error $response   Installation response.
+         * @param array         $hook_extra Extra arguments passed to hooked filters.
+         */
+        $res = apply_filters( 'upgrader_pre_install', true, $args['hook_extra'] );
+
+        if ( is_wp_error( $res ) ) {
+            return $res;
+        }
+
+        // Retain the original source and destinations.
+        $remote_source     = $args['source'];
+        $local_destination = $destination;
+
+        $source_files       = array_keys( $wp_filesystem->dirlist( $remote_source ) );
+        $remote_destination = $wp_filesystem->find_folder( $local_destination );
+
+        // Locate which directory to copy to the new folder. This is based on the actual folder holding the files.
+        if ( 1 === count( $source_files ) && $wp_filesystem->is_dir( trailingslashit( $args['source'] ) . $source_files[0] . '/' ) ) {
+            // Only one folder? Then we want its contents.
+            $source = trailingslashit( $args['source'] ) . trailingslashit( $source_files[0] );
+        } elseif ( 0 === count( $source_files ) ) {
+            // There are no files?
+            return new WP_Error( 'incompatible_archive_empty', $this->strings['incompatible_archive'], $this->strings['no_files'] );
+        } else {
+            // It's only a single file, the upgrader will use the folder name of this file as the destination folder.
+            // Folder name is based on zip filename.
+            $source = trailingslashit( $args['source'] );
+        }
+
+        /**
+         * Filters the source file location for the upgrade package.
+         *
+         * @since 2.8.0
+         * @since 4.4.0 The $hook_extra parameter became available.
+         *
+         * @param string      $source        File source location.
+         * @param string      $remote_source Remote file source location.
+         * @param WP_Upgrader $upgrader      WP_Upgrader instance.
+         * @param array       $hook_extra    Extra arguments passed to hooked filters.
+         */
+        $source = apply_filters( 'upgrader_source_selection', $source, $remote_source, $this, $args['hook_extra'] );
+
+        if ( is_wp_error( $source ) ) {
+            return $source;
+        }
+
+        // Has the source location changed? If so, we need a new source_files list.
+        if ( $source !== $remote_source ) {
+            $source_files = array_keys( $wp_filesystem->dirlist( $source ) );
+        }
+
+        /*
 		 * Protection against deleting files in any important base directories.
 		 * Theme_Upgrader & Plugin_Upgrader also trigger this, as they pass the
 		 * destination directory (WP_PLUGIN_DIR / wp-content/themes) intending
 		 * to copy the directory into the directory, whilst they pass the source
 		 * as the actual files to copy.
 		 */
-		$protected_directories = array( ABSPATH, WP_CONTENT_DIR, WP_PLUGIN_DIR, WP_CONTENT_DIR . '/themes' );
-
-		if ( is_array( $wp_theme_directories ) ) {
-			$protected_directories = array_merge( $protected_directories, $wp_theme_directories );
-		}
-
-		if ( in_array( $destination, $protected_directories, true ) ) {
-			$remote_destination = trailingslashit( $remote_destination ) . trailingslashit( basename( $source ) );
-			$destination        = trailingslashit( $destination ) . trailingslashit( basename( $source ) );
-		}
-
-		if ( $clear_destination ) {
-			// We're going to clear the destination if there's something there.
-			$this->skin->feedback( 'remove_old' );
-
-			$removed = $this->clear_destination( $remote_destination );
-
-			/**
-			 * Filters whether the upgrader cleared the destination.
-			 *
-			 * @since 2.8.0
-			 *
-			 * @param true|WP_Error $removed            Whether the destination was cleared.
-			 *                                          True upon success, WP_Error on failure.
-			 * @param string        $local_destination  The local package destination.
-			 * @param string        $remote_destination The remote package destination.
-			 * @param array         $hook_extra         Extra arguments passed to hooked filters.
-			 */
-			$removed = apply_filters( 'upgrader_clear_destination', $removed, $local_destination, $remote_destination, $args['hook_extra'] );
-
-			if ( is_wp_error( $removed ) ) {
-				return $removed;
-			}
-		} elseif ( $args['abort_if_destination_exists'] && $wp_filesystem->exists( $remote_destination ) ) {
-			// If we're not clearing the destination folder and something exists there already, bail.
-			// But first check to see if there are actually any files in the folder.
-			$_files = $wp_filesystem->dirlist( $remote_destination );
-			if ( ! empty( $_files ) ) {
-				$wp_filesystem->delete( $remote_source, true ); // Clear out the source files.
-				return new WP_Error( 'folder_exists', $this->strings['folder_exists'], $remote_destination );
-			}
-		}
-
-		// Create destination if needed.
-		if ( ! $wp_filesystem->exists( $remote_destination ) ) {
-			if ( ! $wp_filesystem->mkdir( $remote_destination, FS_CHMOD_DIR ) ) {
-				return new WP_Error( 'mkdir_failed_destination', $this->strings['mkdir_failed'], $remote_destination );
-			}
-		}
-
-		// Copy new version of item into place.
-		$result = copy_dir( $source, $remote_destination );
-		if ( is_wp_error( $result ) ) {
-			if ( $args['clear_working'] ) {
-				$wp_filesystem->delete( $remote_source, true );
-			}
-			return $result;
-		}
-
-		// Clear the working folder?
-		if ( $args['clear_working'] ) {
-			$wp_filesystem->delete( $remote_source, true );
-		}
-
-		$destination_name = basename( str_replace( $local_destination, '', $destination ) );
-		if ( '.' === $destination_name ) {
-			$destination_name = '';
-		}
-
-		$this->result = compact( 'source', 'source_files', 'destination', 'destination_name', 'local_destination', 'remote_destination', 'clear_destination' );
-
-		/**
-		 * Filters the installation response after the installation has finished.
-		 *
-		 * @since 2.8.0
-		 *
-		 * @param bool  $response   Installation response.
-		 * @param array $hook_extra Extra arguments passed to hooked filters.
-		 * @param array $result     Installation result data.
-		 */
-		$res = apply_filters( 'upgrader_post_install', true, $args['hook_extra'], $this->result );
-
-		if ( is_wp_error( $res ) ) {
-			$this->result = $res;
-			return $res;
-		}
-
-		// Bombard the calling function will all the info which we've just used.
-		return $this->result;
-	}
-
-	/**
-	 * Run an upgrade/installation.
-	 *
-	 * Attempts to download the package (if it is not a local file), unpack it, and
-	 * install it in the destination folder.
-	 *
-	 * @since 2.8.0
-	 *
-	 * @param array $options {
-	 *     Array or string of arguments for upgrading/installing a package.
-	 *
-	 *     @type string $package                     The full path or URI of the package to install.
-	 *                                               Default empty.
-	 *     @type string $destination                 The full path to the destination folder.
-	 *                                               Default empty.
-	 *     @type bool   $clear_destination           Whether to delete any files already in the
-	 *                                               destination folder. Default false.
-	 *     @type bool   $clear_working               Whether to delete the files from the working
-	 *                                               directory after copying them to the destination.
-	 *                                               Default true.
-	 *     @type bool   $abort_if_destination_exists Whether to abort the installation if the destination
-	 *                                               folder already exists. When true, `$clear_destination`
-	 *                                               should be false. Default true.
-	 *     @type bool   $is_multi                    Whether this run is one of multiple upgrade/installation
-	 *                                               actions being performed in bulk. When true, the skin
-	 *                                               WP_Upgrader::header() and WP_Upgrader::footer()
-	 *                                               aren't called. Default false.
-	 *     @type array  $hook_extra                  Extra arguments to pass to the filter hooks called by
-	 *                                               WP_Upgrader::run().
-	 * }
-	 * @return array|false|WP_Error The result from self::install_package() on success, otherwise a WP_Error,
-	 *                              or false if unable to connect to the filesystem.
-	 */
-	public function run( $options ) {
-
-		$defaults = array(
-			'package'                     => '', // Please always pass this.
-			'destination'                 => '', // ...and this.
-			'clear_destination'           => false,
-			'clear_working'               => true,
-			'abort_if_destination_exists' => true, // Abort if the destination directory exists. Pass clear_destination as false please.
-			'is_multi'                    => false,
-			'hook_extra'                  => array(), // Pass any extra $hook_extra args here, this will be passed to any hooked filters.
-		);
-
-		$options = wp_parse_args( $options, $defaults );
-
-		/**
-		 * Filters the package options before running an update.
-		 *
-		 * See also {@see 'upgrader_process_complete'}.
-		 *
-		 * @since 4.3.0
-		 *
-		 * @param array $options {
-		 *     Options used by the upgrader.
-		 *
-		 *     @type string $package                     Package for update.
-		 *     @type string $destination                 Update location.
-		 *     @type bool   $clear_destination           Clear the destination resource.
-		 *     @type bool   $clear_working               Clear the working resource.
-		 *     @type bool   $abort_if_destination_exists Abort if the Destination directory exists.
-		 *     @type bool   $is_multi                    Whether the upgrader is running multiple times.
-		 *     @type array  $hook_extra {
-		 *         Extra hook arguments.
-		 *
-		 *         @type string $action               Type of action. Default 'update'.
-		 *         @type string $type                 Type of update process. Accepts 'plugin', 'theme', or 'core'.
-		 *         @type bool   $bulk                 Whether the update process is a bulk update. Default true.
-		 *         @type string $plugin               Path to the plugin file relative to the plugins directory.
-		 *         @type string $theme                The stylesheet or template name of the theme.
-		 *         @type string $language_update_type The language pack update type. Accepts 'plugin', 'theme',
-		 *                                            or 'core'.
-		 *         @type object $language_update      The language pack update offer.
-		 *     }
-		 * }
-		 */
-		$options = apply_filters( 'upgrader_package_options', $options );
-
-		if ( ! $options['is_multi'] ) { // Call $this->header separately if running multiple times.
-			$this->skin->header();
-		}
-
-		// Connect to the filesystem first.
-		$res = $this->fs_connect( array( WP_CONTENT_DIR, $options['destination'] ) );
-		// Mainly for non-connected filesystem.
-		if ( ! $res ) {
-			if ( ! $options['is_multi'] ) {
-				$this->skin->footer();
-			}
-			return false;
-		}
-
-		$this->skin->before();
-
-		if ( is_wp_error( $res ) ) {
-			$this->skin->error( $res );
-			$this->skin->after();
-			if ( ! $options['is_multi'] ) {
-				$this->skin->footer();
-			}
-			return $res;
-		}
-
-		/*
+        $protected_directories = array( ABSPATH, WP_CONTENT_DIR, WP_PLUGIN_DIR, WP_CONTENT_DIR . '/themes' );
+
+        if ( is_array( $wp_theme_directories ) ) {
+            $protected_directories = array_merge( $protected_directories, $wp_theme_directories );
+        }
+
+        if ( in_array( $destination, $protected_directories, true ) ) {
+            $remote_destination = trailingslashit( $remote_destination ) . trailingslashit( basename( $source ) );
+            $destination        = trailingslashit( $destination ) . trailingslashit( basename( $source ) );
+        }
+
+        if ( $clear_destination ) {
+            // We're going to clear the destination if there's something there.
+            $this->skin->feedback( 'remove_old' );
+
+            $removed = $this->clear_destination( $remote_destination );
+
+            /**
+             * Filters whether the upgrader cleared the destination.
+             *
+             * @since 2.8.0
+             *
+             * @param true|WP_Error $removed            Whether the destination was cleared.
+             *                                          True upon success, WP_Error on failure.
+             * @param string        $local_destination  The local package destination.
+             * @param string        $remote_destination The remote package destination.
+             * @param array         $hook_extra         Extra arguments passed to hooked filters.
+             */
+            $removed = apply_filters( 'upgrader_clear_destination', $removed, $local_destination, $remote_destination, $args['hook_extra'] );
+
+            if ( is_wp_error( $removed ) ) {
+                return $removed;
+            }
+        } elseif ( $args['abort_if_destination_exists'] && $wp_filesystem->exists( $remote_destination ) ) {
+            // If we're not clearing the destination folder and something exists there already, bail.
+            // But first check to see if there are actually any files in the folder.
+            $_files = $wp_filesystem->dirlist( $remote_destination );
+            if ( ! empty( $_files ) ) {
+                $wp_filesystem->delete( $remote_source, true ); // Clear out the source files.
+                return new WP_Error( 'folder_exists', $this->strings['folder_exists'], $remote_destination );
+            }
+        }
+
+        // Create destination if needed.
+        if ( ! $wp_filesystem->exists( $remote_destination ) ) {
+            if ( ! $wp_filesystem->mkdir( $remote_destination, FS_CHMOD_DIR ) ) {
+                return new WP_Error( 'mkdir_failed_destination', $this->strings['mkdir_failed'], $remote_destination );
+            }
+        }
+
+        // Copy new version of item into place.
+        $result = copy_dir( $source, $remote_destination );
+        if ( is_wp_error( $result ) ) {
+            if ( $args['clear_working'] ) {
+                $wp_filesystem->delete( $remote_source, true );
+            }
+            return $result;
+        }
+
+        // Clear the working folder?
+        if ( $args['clear_working'] ) {
+            $wp_filesystem->delete( $remote_source, true );
+        }
+
+        $destination_name = basename( str_replace( $local_destination, '', $destination ) );
+        if ( '.' === $destination_name ) {
+            $destination_name = '';
+        }
+
+        $this->result = compact( 'source', 'source_files', 'destination', 'destination_name', 'local_destination', 'remote_destination', 'clear_destination' );
+
+        /**
+         * Filters the installation response after the installation has finished.
+         *
+         * @since 2.8.0
+         *
+         * @param bool  $response   Installation response.
+         * @param array $hook_extra Extra arguments passed to hooked filters.
+         * @param array $result     Installation result data.
+         */
+        $res = apply_filters( 'upgrader_post_install', true, $args['hook_extra'], $this->result );
+
+        if ( is_wp_error( $res ) ) {
+            $this->result = $res;
+            return $res;
+        }
+
+        // Bombard the calling function will all the info which we've just used.
+        return $this->result;
+    }
+
+    /**
+     * Run an upgrade/installation.
+     *
+     * Attempts to download the package (if it is not a local file), unpack it, and
+     * install it in the destination folder.
+     *
+     * @since 2.8.0
+     *
+     * @param array $options {
+     *     Array or string of arguments for upgrading/installing a package.
+     *
+     *     @type string $package                     The full path or URI of the package to install.
+     *                                               Default empty.
+     *     @type string $destination                 The full path to the destination folder.
+     *                                               Default empty.
+     *     @type bool   $clear_destination           Whether to delete any files already in the
+     *                                               destination folder. Default false.
+     *     @type bool   $clear_working               Whether to delete the files from the working
+     *                                               directory after copying them to the destination.
+     *                                               Default true.
+     *     @type bool   $abort_if_destination_exists Whether to abort the installation if the destination
+     *                                               folder already exists. When true, `$clear_destination`
+     *                                               should be false. Default true.
+     *     @type bool   $is_multi                    Whether this run is one of multiple upgrade/installation
+     *                                               actions being performed in bulk. When true, the skin
+     *                                               WP_Upgrader::header() and WP_Upgrader::footer()
+     *                                               aren't called. Default false.
+     *     @type array  $hook_extra                  Extra arguments to pass to the filter hooks called by
+     *                                               WP_Upgrader::run().
+     * }
+     * @return array|false|WP_Error The result from self::install_package() on success, otherwise a WP_Error,
+     *                              or false if unable to connect to the filesystem.
+     */
+    public function run( $options ) {
+
+        $defaults = array(
+            'package'                     => '', // Please always pass this.
+            'destination'                 => '', // ...and this.
+            'clear_destination'           => false,
+            'clear_working'               => true,
+            'abort_if_destination_exists' => true, // Abort if the destination directory exists. Pass clear_destination as false please.
+            'is_multi'                    => false,
+            'hook_extra'                  => array(), // Pass any extra $hook_extra args here, this will be passed to any hooked filters.
+        );
+
+        $options = wp_parse_args( $options, $defaults );
+
+        /**
+         * Filters the package options before running an update.
+         *
+         * See also {@see 'upgrader_process_complete'}.
+         *
+         * @since 4.3.0
+         *
+         * @param array $options {
+         *     Options used by the upgrader.
+         *
+         *     @type string $package                     Package for update.
+         *     @type string $destination                 Update location.
+         *     @type bool   $clear_destination           Clear the destination resource.
+         *     @type bool   $clear_working               Clear the working resource.
+         *     @type bool   $abort_if_destination_exists Abort if the Destination directory exists.
+         *     @type bool   $is_multi                    Whether the upgrader is running multiple times.
+         *     @type array  $hook_extra {
+         *         Extra hook arguments.
+         *
+         *         @type string $action               Type of action. Default 'update'.
+         *         @type string $type                 Type of update process. Accepts 'plugin', 'theme', or 'core'.
+         *         @type bool   $bulk                 Whether the update process is a bulk update. Default true.
+         *         @type string $plugin               Path to the plugin file relative to the plugins directory.
+         *         @type string $theme                The stylesheet or template name of the theme.
+         *         @type string $language_update_type The language pack update type. Accepts 'plugin', 'theme',
+         *                                            or 'core'.
+         *         @type object $language_update      The language pack update offer.
+         *     }
+         * }
+         */
+        $options = apply_filters( 'upgrader_package_options', $options );
+
+        if ( ! $options['is_multi'] ) { // Call $this->header separately if running multiple times.
+            $this->skin->header();
+        }
+
+        // Connect to the filesystem first.
+        $res = $this->fs_connect( array( WP_CONTENT_DIR, $options['destination'] ) );
+        // Mainly for non-connected filesystem.
+        if ( ! $res ) {
+            if ( ! $options['is_multi'] ) {
+                $this->skin->footer();
+            }
+            return false;
+        }
+
+        $this->skin->before();
+
+        if ( is_wp_error( $res ) ) {
+            $this->skin->error( $res );
+            $this->skin->after();
+            if ( ! $options['is_multi'] ) {
+                $this->skin->footer();
+            }
+            return $res;
+        }
+
+        /*
 		 * Download the package. Note: If the package is the full path
 		 * to an existing local file, it will be returned untouched.
 		 */
-		$download = $this->download_package( $options['package'], true, $options['hook_extra'] );
-
-		// Allow for signature soft-fail.
-		// WARNING: This may be removed in the future.
-		if ( is_wp_error( $download ) && $download->get_error_data( 'softfail-filename' ) ) {
-
-			// Don't output the 'no signature could be found' failure message for now.
-			if ( 'signature_verification_no_signature' !== $download->get_error_code() || WP_DEBUG ) {
-				// Output the failure error as a normal feedback, and not as an error.
-				$this->skin->feedback( $download->get_error_message() );
-
-				// Report this failure back to WordPress.org for debugging purposes.
-				wp_version_check(
-					array(
-						'signature_failure_code' => $download->get_error_code(),
-						'signature_failure_data' => $download->get_error_data(),
-					)
-				);
-			}
-
-			// Pretend this error didn't happen.
-			$download = $download->get_error_data( 'softfail-filename' );
-		}
-
-		if ( is_wp_error( $download ) ) {
-			$this->skin->error( $download );
-			$this->skin->after();
-			if ( ! $options['is_multi'] ) {
-				$this->skin->footer();
-			}
-			return $download;
-		}
-
-		$delete_package = ( $download !== $options['package'] ); // Do not delete a "local" file.
-
-		// Unzips the file into a temporary directory.
-		$working_dir = $this->unpack_package( $download, $delete_package );
-		if ( is_wp_error( $working_dir ) ) {
-			$this->skin->error( $working_dir );
-			$this->skin->after();
-			if ( ! $options['is_multi'] ) {
-				$this->skin->footer();
-			}
-			return $working_dir;
-		}
-
-		// With the given options, this installs it to the destination directory.
-		$result = $this->install_package(
-			array(
-				'source'                      => $working_dir,
-				'destination'                 => $options['destination'],
-				'clear_destination'           => $options['clear_destination'],
-				'abort_if_destination_exists' => $options['abort_if_destination_exists'],
-				'clear_working'               => $options['clear_working'],
-				'hook_extra'                  => $options['hook_extra'],
-			)
-		);
-
-		/**
-		 * Filters the result of WP_Upgrader::install_package().
-		 *
-		 * @since 5.7.0
-		 *
-		 * @param array|WP_Error $result     Result from WP_Upgrader::install_package().
-		 * @param array          $hook_extra Extra arguments passed to hooked filters.
-		 */
-		$result = apply_filters( 'upgrader_install_package_result', $result, $options['hook_extra'] );
-
-		$this->skin->set_result( $result );
-		if ( is_wp_error( $result ) ) {
-			$this->skin->error( $result );
-
-			if ( ! method_exists( $this->skin, 'hide_process_failed' ) || ! $this->skin->hide_process_failed( $result ) ) {
-				$this->skin->feedback( 'process_failed' );
-			}
-		} else {
-			// Installation succeeded.
-			$this->skin->feedback( 'process_success' );
-		}
-
-		$this->skin->after();
-
-		if ( ! $options['is_multi'] ) {
-
-			/**
-			 * Fires when the upgrader process is complete.
-			 *
-			 * See also {@see 'upgrader_package_options'}.
-			 *
-			 * @since 3.6.0
-			 * @since 3.7.0 Added to WP_Upgrader::run().
-			 * @since 4.6.0 `$translations` was added as a possible argument to `$hook_extra`.
-			 *
-			 * @param WP_Upgrader $upgrader   WP_Upgrader instance. In other contexts this might be a
-			 *                                Theme_Upgrader, Plugin_Upgrader, Core_Upgrade, or Language_Pack_Upgrader instance.
-			 * @param array       $hook_extra {
-			 *     Array of bulk item update data.
-			 *
-			 *     @type string $action       Type of action. Default 'update'.
-			 *     @type string $type         Type of update process. Accepts 'plugin', 'theme', 'translation', or 'core'.
-			 *     @type bool   $bulk         Whether the update process is a bulk update. Default true.
-			 *     @type array  $plugins      Array of the basename paths of the plugins' main files.
-			 *     @type array  $themes       The theme slugs.
-			 *     @type array  $translations {
-			 *         Array of translations update data.
-			 *
-			 *         @type string $language The locale the translation is for.
-			 *         @type string $type     Type of translation. Accepts 'plugin', 'theme', or 'core'.
-			 *         @type string $slug     Text domain the translation is for. The slug of a theme/plugin or
-			 *                                'default' for core translations.
-			 *         @type string $version  The version of a theme, plugin, or core.
-			 *     }
-			 * }
-			 */
-			do_action( 'upgrader_process_complete', $this, $options['hook_extra'] );
-
-			$this->skin->footer();
-		}
-
-		return $result;
-	}
-
-	/**
-	 * Toggle maintenance mode for the site.
-	 *
-	 * Creates/deletes the maintenance file to enable/disable maintenance mode.
-	 *
-	 * @since 2.8.0
-	 *
-	 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
-	 *
-	 * @param bool $enable True to enable maintenance mode, false to disable.
-	 */
-	public function maintenance_mode( $enable = false ) {
-		global $wp_filesystem;
-		$file = $wp_filesystem->abspath() . '.maintenance';
-		if ( $enable ) {
-			$this->skin->feedback( 'maintenance_start' );
-			// Create maintenance file to signal that we are upgrading.
-			$maintenance_string = '<?php $upgrading = ' . time() . '; ?>';
-			$wp_filesystem->delete( $file );
-			$wp_filesystem->put_contents( $file, $maintenance_string, FS_CHMOD_FILE );
-		} elseif ( ! $enable && $wp_filesystem->exists( $file ) ) {
-			$this->skin->feedback( 'maintenance_end' );
-			$wp_filesystem->delete( $file );
-		}
-	}
-
-	/**
-	 * Creates a lock using WordPress options.
-	 *
-	 * @since 4.5.0
-	 *
-	 * @param string $lock_name       The name of this unique lock.
-	 * @param int    $release_timeout Optional. The duration in seconds to respect an existing lock.
-	 *                                Default: 1 hour.
-	 * @return bool False if a lock couldn't be created or if the lock is still valid. True otherwise.
-	 */
-	public static function create_lock( $lock_name, $release_timeout = null ) {
-		global $wpdb;
-		if ( ! $release_timeout ) {
-			$release_timeout = HOUR_IN_SECONDS;
-		}
-		$lock_option = $lock_name . '.lock';
-
-		// Try to lock.
-		$lock_result = $wpdb->query( $wpdb->prepare( "INSERT IGNORE INTO `$wpdb->options` ( `option_name`, `option_value`, `autoload` ) VALUES (%s, %s, 'no') /* LOCK */", $lock_option, time() ) );
-
-		if ( ! $lock_result ) {
-			$lock_result = get_option( $lock_option );
-
-			// If a lock couldn't be created, and there isn't a lock, bail.
-			if ( ! $lock_result ) {
-				return false;
-			}
-
-			// Check to see if the lock is still valid. If it is, bail.
-			if ( $lock_result > ( time() - $release_timeout ) ) {
-				return false;
-			}
-
-			// There must exist an expired lock, clear it and re-gain it.
-			WP_Upgrader::release_lock( $lock_name );
-
-			return WP_Upgrader::create_lock( $lock_name, $release_timeout );
-		}
-
-		// Update the lock, as by this point we've definitely got a lock, just need to fire the actions.
-		update_option( $lock_option, time() );
-
-		return true;
-	}
-
-	/**
-	 * Releases an upgrader lock.
-	 *
-	 * @since 4.5.0
-	 *
-	 * @see WP_Upgrader::create_lock()
-	 *
-	 * @param string $lock_name The name of this unique lock.
-	 * @return bool True if the lock was successfully released. False on failure.
-	 */
-	public static function release_lock( $lock_name ) {
-		return delete_option( $lock_name . '.lock' );
-	}
+        $download = $this->download_package( $options['package'], true, $options['hook_extra'] );
+
+        // Allow for signature soft-fail.
+        // WARNING: This may be removed in the future.
+        if ( is_wp_error( $download ) && $download->get_error_data( 'softfail-filename' ) ) {
+
+            // Don't output the 'no signature could be found' failure message for now.
+            if ( 'signature_verification_no_signature' !== $download->get_error_code() || WP_DEBUG ) {
+                // Output the failure error as a normal feedback, and not as an error.
+                $this->skin->feedback( $download->get_error_message() );
+
+                // Report this failure back to WordPress.org for debugging purposes.
+                wp_version_check(
+                    array(
+                        'signature_failure_code' => $download->get_error_code(),
+                        'signature_failure_data' => $download->get_error_data(),
+                    )
+                );
+            }
+
+            // Pretend this error didn't happen.
+            $download = $download->get_error_data( 'softfail-filename' );
+        }
+
+        if ( is_wp_error( $download ) ) {
+            $this->skin->error( $download );
+            $this->skin->after();
+            if ( ! $options['is_multi'] ) {
+                $this->skin->footer();
+            }
+            return $download;
+        }
+
+        $delete_package = ( $download !== $options['package'] ); // Do not delete a "local" file.
+
+        // Unzips the file into a temporary directory.
+        $working_dir = $this->unpack_package( $download, $delete_package );
+        if ( is_wp_error( $working_dir ) ) {
+            $this->skin->error( $working_dir );
+            $this->skin->after();
+            if ( ! $options['is_multi'] ) {
+                $this->skin->footer();
+            }
+            return $working_dir;
+        }
+
+        // With the given options, this installs it to the destination directory.
+        $result = $this->install_package(
+            array(
+                'source'                      => $working_dir,
+                'destination'                 => $options['destination'],
+                'clear_destination'           => $options['clear_destination'],
+                'abort_if_destination_exists' => $options['abort_if_destination_exists'],
+                'clear_working'               => $options['clear_working'],
+                'hook_extra'                  => $options['hook_extra'],
+            )
+        );
+
+        /**
+         * Filters the result of WP_Upgrader::install_package().
+         *
+         * @since 5.7.0
+         *
+         * @param array|WP_Error $result     Result from WP_Upgrader::install_package().
+         * @param array          $hook_extra Extra arguments passed to hooked filters.
+         */
+        $result = apply_filters( 'upgrader_install_package_result', $result, $options['hook_extra'] );
+
+        $this->skin->set_result( $result );
+        if ( is_wp_error( $result ) ) {
+            $this->skin->error( $result );
+
+            if ( ! method_exists( $this->skin, 'hide_process_failed' ) || ! $this->skin->hide_process_failed( $result ) ) {
+                $this->skin->feedback( 'process_failed' );
+            }
+        } else {
+            // Installation succeeded.
+            $this->skin->feedback( 'process_success' );
+        }
+
+        $this->skin->after();
+
+        if ( ! $options['is_multi'] ) {
+
+            /**
+             * Fires when the upgrader process is complete.
+             *
+             * See also {@see 'upgrader_package_options'}.
+             *
+             * @since 3.6.0
+             * @since 3.7.0 Added to WP_Upgrader::run().
+             * @since 4.6.0 `$translations` was added as a possible argument to `$hook_extra`.
+             *
+             * @param WP_Upgrader $upgrader   WP_Upgrader instance. In other contexts this might be a
+             *                                Theme_Upgrader, Plugin_Upgrader, Core_Upgrade, or Language_Pack_Upgrader instance.
+             * @param array       $hook_extra {
+             *     Array of bulk item update data.
+             *
+             *     @type string $action       Type of action. Default 'update'.
+             *     @type string $type         Type of update process. Accepts 'plugin', 'theme', 'translation', or 'core'.
+             *     @type bool   $bulk         Whether the update process is a bulk update. Default true.
+             *     @type array  $plugins      Array of the basename paths of the plugins' main files.
+             *     @type array  $themes       The theme slugs.
+             *     @type array  $translations {
+             *         Array of translations update data.
+             *
+             *         @type string $language The locale the translation is for.
+             *         @type string $type     Type of translation. Accepts 'plugin', 'theme', or 'core'.
+             *         @type string $slug     Text domain the translation is for. The slug of a theme/plugin or
+             *                                'default' for core translations.
+             *         @type string $version  The version of a theme, plugin, or core.
+             *     }
+             * }
+             */
+            do_action( 'upgrader_process_complete', $this, $options['hook_extra'] );
+
+            $this->skin->footer();
+        }
+
+        return $result;
+    }
+
+    /**
+     * Toggle maintenance mode for the site.
+     *
+     * Creates/deletes the maintenance file to enable/disable maintenance mode.
+     *
+     * @since 2.8.0
+     *
+     * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
+     *
+     * @param bool $enable True to enable maintenance mode, false to disable.
+     */
+    public function maintenance_mode( $enable = false ) {
+        global $wp_filesystem;
+        $file = $wp_filesystem->abspath() . '.maintenance';
+        if ( $enable ) {
+            $this->skin->feedback( 'maintenance_start' );
+            // Create maintenance file to signal that we are upgrading.
+            $maintenance_string = '<?php $upgrading = ' . time() . '; ?>';
+            $wp_filesystem->delete( $file );
+            $wp_filesystem->put_contents( $file, $maintenance_string, FS_CHMOD_FILE );
+        } elseif ( ! $enable && $wp_filesystem->exists( $file ) ) {
+            $this->skin->feedback( 'maintenance_end' );
+            $wp_filesystem->delete( $file );
+        }
+    }
+
+    /**
+     * Creates a lock using WordPress options.
+     *
+     * @since 4.5.0
+     *
+     * @param string $lock_name       The name of this unique lock.
+     * @param int    $release_timeout Optional. The duration in seconds to respect an existing lock.
+     *                                Default: 1 hour.
+     * @return bool False if a lock couldn't be created or if the lock is still valid. True otherwise.
+     */
+    public static function create_lock( $lock_name, $release_timeout = null ) {
+        global $wpdb;
+        if ( ! $release_timeout ) {
+            $release_timeout = HOUR_IN_SECONDS;
+        }
+        $lock_option = $lock_name . '.lock';
+
+        // Try to lock.
+        $lock_result = $wpdb->query( $wpdb->prepare( "INSERT IGNORE INTO `$wpdb->options` ( `option_name`, `option_value`, `autoload` ) VALUES (%s, %s, 'no') /* LOCK */", $lock_option, time() ) );
+
+        if ( ! $lock_result ) {
+            $lock_result = get_option( $lock_option );
+
+            // If a lock couldn't be created, and there isn't a lock, bail.
+            if ( ! $lock_result ) {
+                return false;
+            }
+
+            // Check to see if the lock is still valid. If it is, bail.
+            if ( $lock_result > ( time() - $release_timeout ) ) {
+                return false;
+            }
+
+            // There must exist an expired lock, clear it and re-gain it.
+            WP_Upgrader::release_lock( $lock_name );
+
+            return WP_Upgrader::create_lock( $lock_name, $release_timeout );
+        }
+
+        // Update the lock, as by this point we've definitely got a lock, just need to fire the actions.
+        update_option( $lock_option, time() );
+
+        return true;
+    }
+
+    /**
+     * Releases an upgrader lock.
+     *
+     * @since 4.5.0
+     *
+     * @see WP_Upgrader::create_lock()
+     *
+     * @param string $lock_name The name of this unique lock.
+     * @return bool True if the lock was successfully released. False on failure.
+     */
+    public static function release_lock( $lock_name ) {
+        return delete_option( $lock_name . '.lock' );
+    }
 }
 
 /** Plugin_Upgrader class */