Issues in script-loader.php (ticket-41057) - Issues in ticket-41057 - ntwb/wordpress - Measure and Improve Code Quality continuously with Scrutinizer

Issues (4967)

Security Analysis not enabled

Cross-Site Scripting
Cross-Site Scripting enables an attacker to inject code into the response of a web-request that is viewed by other users. It can for example be used to bypass access controls, or even to take over other users' accounts.
File Exposure
File Exposure allows an attacker to gain access to local files that he should not be able to access. These files can for example include database credentials, or other configuration files.
File Manipulation
File Manipulation enables an attacker to write custom data to files. This potentially leads to injection of arbitrary code on the server.
Object Injection
Object Injection enables an attacker to inject an object into PHP code, and can lead to arbitrary code execution, file exposure, or file manipulation attacks.
Code Injection
Code Injection enables an attacker to execute arbitrary code on the server.
Response Splitting
Response Splitting can be used to send arbitrary responses.
File Inclusion
File Inclusion enables an attacker to inject custom files into PHP's file loading mechanism, either explicitly passed to include, or for example via PHP's auto-loading mechanism.
Command Injection
Command Injection enables an attacker to inject a shell command that is execute with the privileges of the web-server. This can be used to expose sensitive data, or gain access of your server.
SQL Injection
SQL Injection enables an attacker to execute arbitrary SQL code on your database server gaining access to user data, or manipulating user data.
XPath Injection
XPath Injection enables an attacker to modify the parts of XML document that are read. If that XML document is for example used for authentication, this can lead to further vulnerabilities similar to SQL Injection.
LDAP Injection
LDAP Injection enables an attacker to inject LDAP statements potentially granting permission to run unauthorized queries, or modify content inside the LDAP tree.
Header Injection
Other Vulnerability
This category comprises other attack vectors such as manipulating the PHP runtime, loading custom extensions, freezing the runtime, or similar.
Regex Injection
Regex Injection enables an attacker to execute arbitrary code in your PHP process.
XML Injection
XML Injection enables an attacker to read files on your local filesystem including configuration files, or can be abused to freeze your web-server process.
Variable Injection
Variable Injection enables an attacker to overwrite program variables with custom data, and can lead to further vulnerabilities.
Unfortunately, the security analysis is currently not available for your project. If you are a non-commercial open-source project, please contact support to gain access.
src/wp-includes/script-loader.php (5 issues)

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<?php
/**
 * WordPress scripts and styles default loader.
 *
 * Several constants are used to manage the loading, concatenating and compression of scripts and CSS:
 * define('SCRIPT_DEBUG', true); loads the development (non-minified) versions of all scripts and CSS, and disables compression and concatenation,
 * define('CONCATENATE_SCRIPTS', false); disables compression and concatenation of scripts and CSS,
 * define('COMPRESS_SCRIPTS', false); disables compression of scripts,
 * define('COMPRESS_CSS', false); disables compression of CSS,
 * define('ENFORCE_GZIP', true); forces gzip for compression (default is deflate).
 *
 * The globals $concatenate_scripts, $compress_scripts and $compress_css can be set by plugins
 * to temporarily override the above settings. Also a compression test is run once and the result is saved
 * as option 'can_compress_scripts' (0/1). The test will run again if that option is deleted.
 *
 * @package WordPress
 */

/** WordPress Dependency Class */
require( ABSPATH . WPINC . '/class-wp-dependency.php' );

/** WordPress Dependencies Class */
require( ABSPATH . WPINC . '/class.wp-dependencies.php' );

/** WordPress Scripts Class */
require( ABSPATH . WPINC . '/class.wp-scripts.php' );

/** WordPress Scripts Functions */
require( ABSPATH . WPINC . '/functions.wp-scripts.php' );

/** WordPress Styles Class */
require( ABSPATH . WPINC . '/class.wp-styles.php' );

/** WordPress Styles Functions */
require( ABSPATH . WPINC . '/functions.wp-styles.php' );

/**
 * Register all WordPress scripts.
 *
 * Localizes some of them.
 * args order: `$scripts->add( 'handle', 'url', 'dependencies', 'query-string', 1 );`
 * when last arg === 1 queues the script for the footer
 *
 * @since 2.6.0
 *
 * @param WP_Scripts $scripts WP_Scripts object.
 */
function wp_default_scripts( &$scripts ) {
	include( ABSPATH . WPINC . '/version.php' ); // include an unmodified $wp_version

	$develop_src = false !== strpos( $wp_version, '-src' );


	if ( ! defined( 'SCRIPT_DEBUG' ) ) {
		define( 'SCRIPT_DEBUG', $develop_src );
	}

	if ( ! $guessurl = site_url() ) {
		$guessed_url = true;
		$guessurl = wp_guess_url();
	}

	$scripts->base_url = $guessurl;
	$scripts->content_url = defined('WP_CONTENT_URL')? WP_CONTENT_URL : '';
	$scripts->default_version = get_bloginfo( 'version' );
	$scripts->default_dirs = array('/wp-admin/js/', '/wp-includes/js/');

	$suffix = SCRIPT_DEBUG ? '' : '.min';
	$dev_suffix = $develop_src ? '' : '.min';

	$scripts->add( 'utils', "/wp-includes/js/utils$suffix.js" );
	did_action( 'init' ) && $scripts->localize( 'utils', 'userSettings', array(
		'url' => (string) SITECOOKIEPATH,
		'uid' => (string) get_current_user_id(),
		'time' => (string) time(),
		'secure' => (string) ( 'https' === parse_url( site_url(), PHP_URL_SCHEME ) ),
	) );

	$scripts->add( 'common', "/wp-admin/js/common$suffix.js", array('jquery', 'hoverIntent', 'utils'), false, 1 );
	did_action( 'init' ) && $scripts->localize( 'common', 'commonL10n', array(
		'warnDelete'   => __( "You are about to permanently delete these items from your site.\nThis action cannot be undone.\n 'Cancel' to stop, 'OK' to delete." ),
		'dismiss'      => __( 'Dismiss this notice.' ),
		'collapseMenu' => __( 'Collapse Main menu' ),
		'expandMenu'   => __( 'Expand Main menu' ),
	) );

	$scripts->add( 'wp-a11y', "/wp-includes/js/wp-a11y$suffix.js", array( 'jquery' ), false, 1 );

	$scripts->add( 'sack', "/wp-includes/js/tw-sack$suffix.js", array(), '1.6.1', 1 );

	$scripts->add( 'quicktags', "/wp-includes/js/quicktags$suffix.js", array(), false, 1 );
	did_action( 'init' ) && $scripts->localize( 'quicktags', 'quicktagsL10n', array(
		'closeAllOpenTags'      => __( 'Close all open tags' ),
		'closeTags'             => __( 'close tags' ),
		'enterURL'              => __( 'Enter the URL' ),
		'enterImageURL'         => __( 'Enter the URL of the image' ),
		'enterImageDescription' => __( 'Enter a description of the image' ),
		'textdirection'         => __( 'text direction' ),
		'toggleTextdirection'   => __( 'Toggle Editor Text Direction' ),
		'dfw'                   => __( 'Distraction-free writing mode' ),
		'strong'          => __( 'Bold' ),
		'strongClose'     => __( 'Close bold tag' ),
		'em'              => __( 'Italic' ),
		'emClose'         => __( 'Close italic tag' ),
		'link'            => __( 'Insert link' ),
		'blockquote'      => __( 'Blockquote' ),
		'blockquoteClose' => __( 'Close blockquote tag' ),
		'del'             => __( 'Deleted text (strikethrough)' ),
		'delClose'        => __( 'Close deleted text tag' ),
		'ins'             => __( 'Inserted text' ),
		'insClose'        => __( 'Close inserted text tag' ),
		'image'           => __( 'Insert image' ),
		'ul'              => __( 'Bulleted list' ),
		'ulClose'         => __( 'Close bulleted list tag' ),
		'ol'              => __( 'Numbered list' ),
		'olClose'         => __( 'Close numbered list tag' ),
		'li'              => __( 'List item' ),
		'liClose'         => __( 'Close list item tag' ),
		'code'            => __( 'Code' ),
		'codeClose'       => __( 'Close code tag' ),
		'more'            => __( 'Insert Read More tag' ),
	) );

	$scripts->add( 'colorpicker', "/wp-includes/js/colorpicker$suffix.js", array('prototype'), '3517m' );

	$scripts->add( 'editor', "/wp-admin/js/editor$suffix.js", array('utils','jquery'), false, 1 );

	// Back-compat for old DFW. To-do: remove at the end of 2016.
	$scripts->add( 'wp-fullscreen-stub', "/wp-admin/js/wp-fullscreen-stub$suffix.js", array(), false, 1 );

	$scripts->add( 'wp-ajax-response', "/wp-includes/js/wp-ajax-response$suffix.js", array('jquery'), false, 1 );
	did_action( 'init' ) && $scripts->localize( 'wp-ajax-response', 'wpAjax', array(
		'noPerm' => __('Sorry, you are not allowed to do that.'),
		'broken' => __('An unidentified error has occurred.')
	) );

	$scripts->add( 'wp-pointer', "/wp-includes/js/wp-pointer$suffix.js", array( 'jquery-ui-widget', 'jquery-ui-position' ), '20111129a', 1 );
	did_action( 'init' ) && $scripts->localize( 'wp-pointer', 'wpPointerL10n', array(
		'dismiss' => __('Dismiss'),
	) );

	$scripts->add( 'autosave', "/wp-includes/js/autosave$suffix.js", array('heartbeat'), false, 1 );

	$scripts->add( 'heartbeat', "/wp-includes/js/heartbeat$suffix.js", array('jquery'), false, 1 );
	did_action( 'init' ) && $scripts->localize( 'heartbeat', 'heartbeatSettings',
		/**
		 * Filters the Heartbeat settings.
		 *
		 * @since 3.6.0
		 *
		 * @param array $settings Heartbeat settings array.
		 */
		apply_filters( 'heartbeat_settings', array() )
	);

	$scripts->add( 'wp-auth-check', "/wp-includes/js/wp-auth-check$suffix.js", array('heartbeat'), false, 1 );
	did_action( 'init' ) && $scripts->localize( 'wp-auth-check', 'authcheckL10n', array(
		'beforeunload' => __('Your session has expired. You can log in again from this page or go to the login page.'),

		/**
		 * Filters the authentication check interval.
		 *
		 * @since 3.6.0
		 *
		 * @param int $interval The interval in which to check a user's authentication.
		 *                      Default 3 minutes in seconds, or 180.
		 */
		'interval' => apply_filters( 'wp_auth_check_interval', 3 * MINUTE_IN_SECONDS ),
	) );

	$scripts->add( 'wp-lists', "/wp-includes/js/wp-lists$suffix.js", array( 'wp-ajax-response', 'jquery-color' ), false, 1 );

	// WordPress no longer uses or bundles Prototype or script.aculo.us. These are now pulled from an external source.
	$scripts->add( 'prototype', 'https://ajax.googleapis.com/ajax/libs/prototype/1.7.1.0/prototype.js', array(), '1.7.1');
	$scripts->add( 'scriptaculous-root', 'https://ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/scriptaculous.js', array('prototype'), '1.9.0');
	$scripts->add( 'scriptaculous-builder', 'https://ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/builder.js', array('scriptaculous-root'), '1.9.0');
	$scripts->add( 'scriptaculous-dragdrop', 'https://ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/dragdrop.js', array('scriptaculous-builder', 'scriptaculous-effects'), '1.9.0');
	$scripts->add( 'scriptaculous-effects', 'https://ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/effects.js', array('scriptaculous-root'), '1.9.0');
	$scripts->add( 'scriptaculous-slider', 'https://ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/slider.js', array('scriptaculous-effects'), '1.9.0');
	$scripts->add( 'scriptaculous-sound', 'https://ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/sound.js', array( 'scriptaculous-root' ), '1.9.0' );
	$scripts->add( 'scriptaculous-controls', 'https://ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/controls.js', array('scriptaculous-root'), '1.9.0');
	$scripts->add( 'scriptaculous', false, array('scriptaculous-dragdrop', 'scriptaculous-slider', 'scriptaculous-controls') );

	// not used in core, replaced by Jcrop.js
	$scripts->add( 'cropper', '/wp-includes/js/crop/cropper.js', array('scriptaculous-dragdrop') );

	// jQuery
	$scripts->add( 'jquery', false, array( 'jquery-core', 'jquery-migrate' ), '1.12.4' );
	$scripts->add( 'jquery-core', '/wp-includes/js/jquery/jquery.js', array(), '1.12.4' );
	$scripts->add( 'jquery-migrate', "/wp-includes/js/jquery/jquery-migrate$suffix.js", array(), '1.4.1' );

	// full jQuery UI
	$scripts->add( 'jquery-ui-core', "/wp-includes/js/jquery/ui/core$dev_suffix.js", array('jquery'), '1.11.4', 1 );
	$scripts->add( 'jquery-effects-core', "/wp-includes/js/jquery/ui/effect$dev_suffix.js", array('jquery'), '1.11.4', 1 );

	$scripts->add( 'jquery-effects-blind', "/wp-includes/js/jquery/ui/effect-blind$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
	$scripts->add( 'jquery-effects-bounce', "/wp-includes/js/jquery/ui/effect-bounce$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
	$scripts->add( 'jquery-effects-clip', "/wp-includes/js/jquery/ui/effect-clip$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
	$scripts->add( 'jquery-effects-drop', "/wp-includes/js/jquery/ui/effect-drop$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
	$scripts->add( 'jquery-effects-explode', "/wp-includes/js/jquery/ui/effect-explode$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
	$scripts->add( 'jquery-effects-fade', "/wp-includes/js/jquery/ui/effect-fade$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
	$scripts->add( 'jquery-effects-fold', "/wp-includes/js/jquery/ui/effect-fold$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
	$scripts->add( 'jquery-effects-highlight', "/wp-includes/js/jquery/ui/effect-highlight$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
	$scripts->add( 'jquery-effects-puff', "/wp-includes/js/jquery/ui/effect-puff$dev_suffix.js", array('jquery-effects-core', 'jquery-effects-scale'), '1.11.4', 1 );
	$scripts->add( 'jquery-effects-pulsate', "/wp-includes/js/jquery/ui/effect-pulsate$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
	$scripts->add( 'jquery-effects-scale', "/wp-includes/js/jquery/ui/effect-scale$dev_suffix.js", array('jquery-effects-core', 'jquery-effects-size'), '1.11.4', 1 );
	$scripts->add( 'jquery-effects-shake', "/wp-includes/js/jquery/ui/effect-shake$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
	$scripts->add( 'jquery-effects-size', "/wp-includes/js/jquery/ui/effect-size$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
	$scripts->add( 'jquery-effects-slide', "/wp-includes/js/jquery/ui/effect-slide$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
	$scripts->add( 'jquery-effects-transfer', "/wp-includes/js/jquery/ui/effect-transfer$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );

	$scripts->add( 'jquery-ui-accordion', "/wp-includes/js/jquery/ui/accordion$dev_suffix.js", array('jquery-ui-core', 'jquery-ui-widget'), '1.11.4', 1 );
	$scripts->add( 'jquery-ui-autocomplete', "/wp-includes/js/jquery/ui/autocomplete$dev_suffix.js", array( 'jquery-ui-menu', 'wp-a11y' ), '1.11.4', 1 );
	$scripts->add( 'jquery-ui-button', "/wp-includes/js/jquery/ui/button$dev_suffix.js", array('jquery-ui-core', 'jquery-ui-widget'), '1.11.4', 1 );
	$scripts->add( 'jquery-ui-datepicker', "/wp-includes/js/jquery/ui/datepicker$dev_suffix.js", array('jquery-ui-core'), '1.11.4', 1 );
	$scripts->add( 'jquery-ui-dialog', "/wp-includes/js/jquery/ui/dialog$dev_suffix.js", array('jquery-ui-resizable', 'jquery-ui-draggable', 'jquery-ui-button', 'jquery-ui-position'), '1.11.4', 1 );
	$scripts->add( 'jquery-ui-draggable', "/wp-includes/js/jquery/ui/draggable$dev_suffix.js", array('jquery-ui-mouse'), '1.11.4', 1 );
	$scripts->add( 'jquery-ui-droppable', "/wp-includes/js/jquery/ui/droppable$dev_suffix.js", array('jquery-ui-draggable'), '1.11.4', 1 );
	$scripts->add( 'jquery-ui-menu', "/wp-includes/js/jquery/ui/menu$dev_suffix.js", array( 'jquery-ui-core', 'jquery-ui-widget', 'jquery-ui-position' ), '1.11.4', 1 );
	$scripts->add( 'jquery-ui-mouse', "/wp-includes/js/jquery/ui/mouse$dev_suffix.js", array( 'jquery-ui-core', 'jquery-ui-widget' ), '1.11.4', 1 );
	$scripts->add( 'jquery-ui-position', "/wp-includes/js/jquery/ui/position$dev_suffix.js", array('jquery'), '1.11.4', 1 );
	$scripts->add( 'jquery-ui-progressbar', "/wp-includes/js/jquery/ui/progressbar$dev_suffix.js", array('jquery-ui-core', 'jquery-ui-widget'), '1.11.4', 1 );
	$scripts->add( 'jquery-ui-resizable', "/wp-includes/js/jquery/ui/resizable$dev_suffix.js", array('jquery-ui-mouse'), '1.11.4', 1 );
	$scripts->add( 'jquery-ui-selectable', "/wp-includes/js/jquery/ui/selectable$dev_suffix.js", array('jquery-ui-mouse'), '1.11.4', 1 );
	$scripts->add( 'jquery-ui-selectmenu', "/wp-includes/js/jquery/ui/selectmenu$dev_suffix.js", array('jquery-ui-menu'), '1.11.4', 1 );
	$scripts->add( 'jquery-ui-slider', "/wp-includes/js/jquery/ui/slider$dev_suffix.js", array('jquery-ui-mouse'), '1.11.4', 1 );
	$scripts->add( 'jquery-ui-sortable', "/wp-includes/js/jquery/ui/sortable$dev_suffix.js", array('jquery-ui-mouse'), '1.11.4', 1 );
	$scripts->add( 'jquery-ui-spinner', "/wp-includes/js/jquery/ui/spinner$dev_suffix.js", array( 'jquery-ui-button' ), '1.11.4', 1 );
	$scripts->add( 'jquery-ui-tabs', "/wp-includes/js/jquery/ui/tabs$dev_suffix.js", array('jquery-ui-core', 'jquery-ui-widget'), '1.11.4', 1 );
	$scripts->add( 'jquery-ui-tooltip', "/wp-includes/js/jquery/ui/tooltip$dev_suffix.js", array( 'jquery-ui-core', 'jquery-ui-widget', 'jquery-ui-position' ), '1.11.4', 1 );
	$scripts->add( 'jquery-ui-widget', "/wp-includes/js/jquery/ui/widget$dev_suffix.js", array('jquery'), '1.11.4', 1 );

	// Strings for 'jquery-ui-autocomplete' live region messages
	did_action( 'init' ) && $scripts->localize( 'jquery-ui-autocomplete', 'uiAutocompleteL10n', array(
		'noResults' => __( 'No results found.' ),
		/* translators: Number of results found when using jQuery UI Autocomplete */
		'oneResult' => __( '1 result found. Use up and down arrow keys to navigate.' ),
		/* translators: %d: Number of results found when using jQuery UI Autocomplete */
		'manyResults' => __( '%d results found. Use up and down arrow keys to navigate.' ),
		'itemSelected' => __( 'Item selected.' ),
	) );

	// deprecated, not used in core, most functionality is included in jQuery 1.3
	$scripts->add( 'jquery-form', "/wp-includes/js/jquery/jquery.form$suffix.js", array('jquery'), '3.37.0', 1 );

	// jQuery plugins
	$scripts->add( 'jquery-color', "/wp-includes/js/jquery/jquery.color.min.js", array('jquery'), '2.1.1', 1 );
	$scripts->add( 'schedule', '/wp-includes/js/jquery/jquery.schedule.js', array('jquery'), '20m', 1 );
	$scripts->add( 'jquery-query', "/wp-includes/js/jquery/jquery.query.js", array('jquery'), '2.1.7', 1 );
	$scripts->add( 'jquery-serialize-object', "/wp-includes/js/jquery/jquery.serialize-object.js", array('jquery'), '0.2', 1 );
	$scripts->add( 'jquery-hotkeys', "/wp-includes/js/jquery/jquery.hotkeys$suffix.js", array('jquery'), '0.0.2m', 1 );
	$scripts->add( 'jquery-table-hotkeys', "/wp-includes/js/jquery/jquery.table-hotkeys$suffix.js", array('jquery', 'jquery-hotkeys'), false, 1 );
	$scripts->add( 'jquery-touch-punch', "/wp-includes/js/jquery/jquery.ui.touch-punch.js", array('jquery-ui-widget', 'jquery-ui-mouse'), '0.2.2', 1 );

	// Not used any more, registered for backwards compatibility.
	$scripts->add( 'suggest', "/wp-includes/js/jquery/suggest$suffix.js", array('jquery'), '1.1-20110113', 1 );

	// Masonry v2 depended on jQuery. v3 does not. The older jquery-masonry handle is a shiv.
	// It sets jQuery as a dependency, as the theme may have been implicitly loading it this way.
	$scripts->add( 'imagesloaded', "/wp-includes/js/imagesloaded.min.js", array(), '3.2.0', 1 );
	$scripts->add( 'masonry', "/wp-includes/js/masonry.min.js", array( 'imagesloaded' ), '3.3.2', 1 );
	$scripts->add( 'jquery-masonry', "/wp-includes/js/jquery/jquery.masonry$dev_suffix.js", array( 'jquery', 'masonry' ), '3.1.2b', 1 );

	$scripts->add( 'thickbox', "/wp-includes/js/thickbox/thickbox.js", array('jquery'), '3.1-20121105', 1 );
	did_action( 'init' ) && $scripts->localize( 'thickbox', 'thickboxL10n', array(
		'next' => __('Next &gt;'),
		'prev' => __('&lt; Prev'),
		'image' => __('Image'),
		'of' => __('of'),
		'close' => __('Close'),
		'noiframes' => __('This feature requires inline frames. You have iframes disabled or your browser does not support them.'),
		'loadingAnimation' => includes_url('js/thickbox/loadingAnimation.gif'),
	) );

	$scripts->add( 'jcrop', "/wp-includes/js/jcrop/jquery.Jcrop.min.js", array('jquery'), '0.9.12');

	$scripts->add( 'swfobject', "/wp-includes/js/swfobject.js", array(), '2.2-20120417');

	// error message for both plupload and swfupload
	$uploader_l10n = array(
		'queue_limit_exceeded' => __('You have attempted to queue too many files.'),
		'file_exceeds_size_limit' => __('%s exceeds the maximum upload size for this site.'),
		'zero_byte_file' => __('This file is empty. Please try another.'),
		'invalid_filetype' => __('Sorry, this file type is not permitted for security reasons.'),
		'not_an_image' => __('This file is not an image. Please try another.'),
		'image_memory_exceeded' => __('Memory exceeded. Please try another smaller file.'),
		'image_dimensions_exceeded' => __('This is larger than the maximum size. Please try another.'),
		'default_error' => __('An error occurred in the upload. Please try again later.'),
		'missing_upload_url' => __('There was a configuration error. Please contact the server administrator.'),
		'upload_limit_exceeded' => __('You may only upload 1 file.'),
		'http_error' => __('HTTP error.'),
		'upload_failed' => __('Upload failed.'),
		/* translators: 1: Opening link tag, 2: Closing link tag */
		'big_upload_failed' => __('Please try uploading this file with the %1$sbrowser uploader%2$s.'),
		'big_upload_queued' => __('%s exceeds the maximum upload size for the multi-file uploader when used in your browser.'),
		'io_error' => __('IO error.'),
		'security_error' => __('Security error.'),
		'file_cancelled' => __('File canceled.'),
		'upload_stopped' => __('Upload stopped.'),
		'dismiss' => __('Dismiss'),
		'crunching' => __('Crunching&hellip;'),
		'deleted' => __('moved to the trash.'),
		'error_uploading' => __('&#8220;%s&#8221; has failed to upload.')
	);

	$scripts->add( 'plupload', '/wp-includes/js/plupload/plupload.full.min.js', array(), '2.1.8' );
	// Back compat handles:
	foreach ( array( 'all', 'html5', 'flash', 'silverlight', 'html4' ) as $handle ) {
		$scripts->add( "plupload-$handle", false, array( 'plupload' ), '2.1.1' );
	}

	$scripts->add( 'plupload-handlers', "/wp-includes/js/plupload/handlers$suffix.js", array( 'plupload', 'jquery' ) );
	did_action( 'init' ) && $scripts->localize( 'plupload-handlers', 'pluploadL10n', $uploader_l10n );

	$scripts->add( 'wp-plupload', "/wp-includes/js/plupload/wp-plupload$suffix.js", array( 'plupload', 'jquery', 'json2', 'media-models' ), false, 1 );
	did_action( 'init' ) && $scripts->localize( 'wp-plupload', 'pluploadL10n', $uploader_l10n );

	// keep 'swfupload' for back-compat.
	$scripts->add( 'swfupload', '/wp-includes/js/swfupload/swfupload.js', array(), '2201-20110113');
	$scripts->add( 'swfupload-swfobject', '/wp-includes/js/swfupload/plugins/swfupload.swfobject.js', array('swfupload', 'swfobject'), '2201a');
	$scripts->add( 'swfupload-queue', '/wp-includes/js/swfupload/plugins/swfupload.queue.js', array('swfupload'), '2201');
	$scripts->add( 'swfupload-speed', '/wp-includes/js/swfupload/plugins/swfupload.speed.js', array('swfupload'), '2201');
	$scripts->add( 'swfupload-all', false, array('swfupload', 'swfupload-swfobject', 'swfupload-queue'), '2201');
	$scripts->add( 'swfupload-handlers', "/wp-includes/js/swfupload/handlers$suffix.js", array('swfupload-all', 'jquery'), '2201-20110524');
	did_action( 'init' ) && $scripts->localize( 'swfupload-handlers', 'swfuploadL10n', $uploader_l10n );

	$scripts->add( 'comment-reply', "/wp-includes/js/comment-reply$suffix.js", array(), false, 1 );

	$scripts->add( 'json2', "/wp-includes/js/json2$suffix.js", array(), '2015-05-03' );
	did_action( 'init' ) && $scripts->add_data( 'json2', 'conditional', 'lt IE 8' );

	$scripts->add( 'underscore', "/wp-includes/js/underscore$dev_suffix.js", array(), '1.8.3', 1 );
	$scripts->add( 'backbone', "/wp-includes/js/backbone$dev_suffix.js", array( 'underscore','jquery' ), '1.2.3', 1 );

	$scripts->add( 'wp-util', "/wp-includes/js/wp-util$suffix.js", array('underscore', 'jquery'), false, 1 );
	did_action( 'init' ) && $scripts->localize( 'wp-util', '_wpUtilSettings', array(
		'ajax' => array(
			'url' => admin_url( 'admin-ajax.php', 'relative' ),
		),
	) );

	$scripts->add( 'wp-backbone', "/wp-includes/js/wp-backbone$suffix.js", array('backbone', 'wp-util'), false, 1 );

	$scripts->add( 'revisions', "/wp-admin/js/revisions$suffix.js", array( 'wp-backbone', 'jquery-ui-slider', 'hoverIntent' ), false, 1 );

	$scripts->add( 'imgareaselect', "/wp-includes/js/imgareaselect/jquery.imgareaselect$suffix.js", array('jquery'), false, 1 );

	$scripts->add( 'mediaelement', "/wp-includes/js/mediaelement/mediaelement-and-player.min.js", array('jquery'), '2.22.0', 1 );
	did_action( 'init' ) && $scripts->localize( 'mediaelement', 'mejsL10n', array(
		'language' => get_bloginfo( 'language' ),
		'strings'  => array(
			'Close'                   => __( 'Close' ),
			'Fullscreen'              => __( 'Fullscreen' ),
			'Turn off Fullscreen'     => __( 'Turn off Fullscreen' ),
			'Go Fullscreen'           => __( 'Go Fullscreen' ),
			'Download File'           => __( 'Download File' ),
			'Download Video'          => __( 'Download Video' ),
			'Play'                    => __( 'Play' ),
			'Pause'                   => __( 'Pause' ),
			'Captions/Subtitles'      => __( 'Captions/Subtitles' ),
			'None'                    => _x( 'None', 'no captions/subtitles' ),
			'Time Slider'             => __( 'Time Slider' ),
			/* translators: %1: number of seconds (30 by default) */
			'Skip back %1 seconds'    => __( 'Skip back %1 seconds' ),
			'Video Player'            => __( 'Video Player' ),
			'Audio Player'            => __( 'Audio Player' ),
			'Volume Slider'           => __( 'Volume Slider' ),
			'Mute Toggle'             => __( 'Mute Toggle' ),
			'Unmute'                  => __( 'Unmute' ),
			'Mute'                    => __( 'Mute' ),
			'Use Up/Down Arrow keys to increase or decrease volume.' => __( 'Use Up/Down Arrow keys to increase or decrease volume.' ),
			'Use Left/Right Arrow keys to advance one second, Up/Down arrows to advance ten seconds.' => __( 'Use Left/Right Arrow keys to advance one second, Up/Down arrows to advance ten seconds.' ),
		),
	) );


	$scripts->add( 'wp-mediaelement', "/wp-includes/js/mediaelement/wp-mediaelement$suffix.js", array('mediaelement'), false, 1 );
	$mejs_settings = array(
		'pluginPath' => includes_url( 'js/mediaelement/', 'relative' ),
	);
	did_action( 'init' ) && $scripts->localize( 'mediaelement', '_wpmejsSettings',
		/**
		 * Filters the MediaElement configuration settings.
		 *
		 * @since 4.4.0
		 *
		 * @param array $mejs_settings MediaElement settings array.
		 */
		apply_filters( 'mejs_settings', $mejs_settings )
	);

	$scripts->add( 'froogaloop',  "/wp-includes/js/mediaelement/froogaloop.min.js", array(), '2.0' );
	$scripts->add( 'wp-playlist', "/wp-includes/js/mediaelement/wp-playlist$suffix.js", array( 'wp-util', 'backbone', 'mediaelement' ), false, 1 );

	$scripts->add( 'zxcvbn-async', "/wp-includes/js/zxcvbn-async$suffix.js", array(), '1.0' );
	did_action( 'init' ) && $scripts->localize( 'zxcvbn-async', '_zxcvbnSettings', array(
		'src' => empty( $guessed_url ) ? includes_url( '/js/zxcvbn.min.js' ) : $scripts->base_url . '/wp-includes/js/zxcvbn.min.js',
	) );

	$scripts->add( 'password-strength-meter', "/wp-admin/js/password-strength-meter$suffix.js", array( 'jquery', 'zxcvbn-async' ), false, 1 );
	did_action( 'init' ) && $scripts->localize( 'password-strength-meter', 'pwsL10n', array(
		'unknown'  => _x( 'Password strength unknown', 'password strength' ),
		'short'    => _x( 'Very weak', 'password strength' ),
		'bad'      => _x( 'Weak', 'password strength' ),
		'good'     => _x( 'Medium', 'password strength' ),
		'strong'   => _x( 'Strong', 'password strength' ),
		'mismatch' => _x( 'Mismatch', 'password mismatch' ),
	) );

	$scripts->add( 'user-profile', "/wp-admin/js/user-profile$suffix.js", array( 'jquery', 'password-strength-meter', 'wp-util' ), false, 1 );
	did_action( 'init' ) && $scripts->localize( 'user-profile', 'userProfileL10n', array(
		'warn'     => __( 'Your new password has not been saved.' ),
		'warnWeak' => __( 'Confirm use of weak password' ),
		'show'     => __( 'Show' ),
		'hide'     => __( 'Hide' ),
		'cancel'   => __( 'Cancel' ),
		'ariaShow' => esc_attr__( 'Show password' ),
		'ariaHide' => esc_attr__( 'Hide password' ),
	) );

	$scripts->add( 'language-chooser', "/wp-admin/js/language-chooser$suffix.js", array( 'jquery' ), false, 1 );

	$scripts->add( 'user-suggest', "/wp-admin/js/user-suggest$suffix.js", array( 'jquery-ui-autocomplete' ), false, 1 );

	$scripts->add( 'admin-bar', "/wp-includes/js/admin-bar$suffix.js", array(), false, 1 );

	$scripts->add( 'wplink', "/wp-includes/js/wplink$suffix.js", array( 'jquery', 'wp-a11y' ), false, 1 );
	did_action( 'init' ) && $scripts->localize( 'wplink', 'wpLinkL10n', array(
		'title' => __('Insert/edit link'),
		'update' => __('Update'),
		'save' => __('Add Link'),
		'noTitle' => __('(no title)'),
		'noMatchesFound' => __('No results found.'),
		'linkSelected' => __( 'Link selected.' ),
		'linkInserted' => __( 'Link inserted.' ),
	) );

	$scripts->add( 'wpdialogs', "/wp-includes/js/wpdialog$suffix.js", array( 'jquery-ui-dialog' ), false, 1 );

	$scripts->add( 'word-count', "/wp-admin/js/word-count$suffix.js", array(), false, 1 );
	did_action( 'init' ) && $scripts->localize( 'word-count', 'wordCountL10n', array(
		/*
		 * translators: If your word count is based on single characters (e.g. East Asian characters),
		 * enter 'characters_excluding_spaces' or 'characters_including_spaces'. Otherwise, enter 'words'.
		 * Do not translate into your own language.
		 */
		'type' => _x( 'words', 'Word count type. Do not translate!' ),
		'shortcodes' => ! empty( $GLOBALS['shortcode_tags'] ) ? array_keys( $GLOBALS['shortcode_tags'] ) : array()
	) );

	$scripts->add( 'media-upload', "/wp-admin/js/media-upload$suffix.js", array( 'thickbox', 'shortcode' ), false, 1 );

	$scripts->add( 'hoverIntent', "/wp-includes/js/hoverIntent$suffix.js", array('jquery'), '1.8.1', 1 );

	$scripts->add( 'customize-base',     "/wp-includes/js/customize-base$suffix.js",     array( 'jquery', 'json2', 'underscore' ), false, 1 );
	$scripts->add( 'customize-loader',   "/wp-includes/js/customize-loader$suffix.js",   array( 'customize-base' ), false, 1 );
	$scripts->add( 'customize-preview',  "/wp-includes/js/customize-preview$suffix.js",  array( 'wp-a11y', 'customize-base' ), false, 1 );
	$scripts->add( 'customize-models',   "/wp-includes/js/customize-models.js", array( 'underscore', 'backbone' ), false, 1 );
	$scripts->add( 'customize-views',    "/wp-includes/js/customize-views.js",  array( 'jquery', 'underscore', 'imgareaselect', 'customize-models', 'media-editor', 'media-views' ), false, 1 );
	$scripts->add( 'customize-controls', "/wp-admin/js/customize-controls$suffix.js", array( 'customize-base', 'wp-a11y', 'wp-util' ), false, 1 );
	did_action( 'init' ) && $scripts->localize( 'customize-controls', '_wpCustomizeControlsL10n', array(
		'activate'           => __( 'Save &amp; Activate' ),
		'save'               => __( 'Save &amp; Publish' ),
		'saveAlert'          => __( 'The changes you made will be lost if you navigate away from this page.' ),
		'saved'              => __( 'Saved' ),
		'cancel'             => __( 'Cancel' ),
		'close'              => __( 'Close' ),
		'cheatin'            => __( 'Cheatin&#8217; uh?' ),
		'notAllowed'         => __( 'Sorry, you are not allowed to customize this site.' ),
		'previewIframeTitle' => __( 'Site Preview' ),
		'loginIframeTitle'   => __( 'Session expired' ),
		'collapseSidebar'    => _x( 'Hide Controls', 'label for hide controls button without length constraints' ),
		'expandSidebar'      => _x( 'Show Controls', 'label for hide controls button without length constraints' ),
		'untitledBlogName'   => __( '(Untitled)' ),
		// Used for overriding the file types allowed in plupload.
		'allowedFiles'       => __( 'Allowed Files' ),
	) );
	$scripts->add( 'customize-selective-refresh', "/wp-includes/js/customize-selective-refresh$suffix.js", array( 'jquery', 'wp-util', 'customize-preview' ), false, 1 );

	$scripts->add( 'customize-widgets', "/wp-admin/js/customize-widgets$suffix.js", array( 'jquery', 'jquery-ui-sortable', 'jquery-ui-droppable', 'wp-backbone', 'customize-controls' ), false, 1 );
	$scripts->add( 'customize-preview-widgets', "/wp-includes/js/customize-preview-widgets$suffix.js", array( 'jquery', 'wp-util', 'customize-preview', 'customize-selective-refresh' ), false, 1 );

	$scripts->add( 'customize-nav-menus', "/wp-admin/js/customize-nav-menus$suffix.js", array( 'jquery', 'wp-backbone', 'customize-controls', 'accordion', 'nav-menu' ), false, 1 );
	$scripts->add( 'customize-preview-nav-menus', "/wp-includes/js/customize-preview-nav-menus$suffix.js", array( 'jquery', 'wp-util', 'customize-preview', 'customize-selective-refresh' ), false, 1 );

	$scripts->add( 'wp-custom-header', "/wp-includes/js/wp-custom-header$suffix.js", array( 'wp-a11y' ), false, 1 );

	$scripts->add( 'accordion', "/wp-admin/js/accordion$suffix.js", array( 'jquery' ), false, 1 );

	$scripts->add( 'shortcode', "/wp-includes/js/shortcode$suffix.js", array( 'underscore' ), false, 1 );
	$scripts->add( 'media-models', "/wp-includes/js/media-models$suffix.js", array( 'wp-backbone' ), false, 1 );
	did_action( 'init' ) && $scripts->localize( 'media-models', '_wpMediaModelsL10n', array(
		'settings' => array(
			'ajaxurl' => admin_url( 'admin-ajax.php', 'relative' ),
			'post' => array( 'id' => 0 ),
		),
	) );

	$scripts->add( 'wp-embed', "/wp-includes/js/wp-embed$suffix.js" );

	// To enqueue media-views or media-editor, call wp_enqueue_media().
	// Both rely on numerous settings, styles, and templates to operate correctly.
	$scripts->add( 'media-views',  "/wp-includes/js/media-views$suffix.js",  array( 'utils', 'media-models', 'wp-plupload', 'jquery-ui-sortable', 'wp-mediaelement' ), false, 1 );
	$scripts->add( 'media-editor', "/wp-includes/js/media-editor$suffix.js", array( 'shortcode', 'media-views' ), false, 1 );
	$scripts->add( 'media-audiovideo', "/wp-includes/js/media-audiovideo$suffix.js", array( 'media-editor' ), false, 1 );
	$scripts->add( 'mce-view', "/wp-includes/js/mce-view$suffix.js", array( 'shortcode', 'jquery', 'media-views', 'media-audiovideo' ), false, 1 );

	$scripts->add( 'wp-api', "/wp-includes/js/wp-api$suffix.js", array( 'jquery', 'backbone', 'underscore' ), false, 1 );
	did_action( 'init' ) && $scripts->localize( 'wp-api', 'wpApiSettings', array(
		'root'          => esc_url_raw( get_rest_url() ),
		'nonce'         => ( wp_installing() && ! is_multisite() ) ? '' : wp_create_nonce( 'wp_rest' ),
		'versionString' => 'wp/v2/',
	) );

	if ( is_admin() ) {
		$scripts->add( 'admin-tags', "/wp-admin/js/tags$suffix.js", array( 'jquery', 'wp-ajax-response' ), false, 1 );
		did_action( 'init' ) && $scripts->localize( 'admin-tags', 'tagsl10n', array(
			'noPerm' => __('Sorry, you are not allowed to do that.'),
			'broken' => __('An unidentified error has occurred.')
		));

		$scripts->add( 'admin-comments', "/wp-admin/js/edit-comments$suffix.js", array('wp-lists', 'quicktags', 'jquery-query'), false, 1 );
		did_action( 'init' ) && $scripts->localize( 'admin-comments', 'adminCommentsL10n', array(
			'hotkeys_highlight_first' => isset($_GET['hotkeys_highlight_first']),
			'hotkeys_highlight_last' => isset($_GET['hotkeys_highlight_last']),
			'replyApprove' => __( 'Approve and Reply' ),
			'reply' => __( 'Reply' ),
			'warnQuickEdit' => __( "Are you sure you want to edit this comment?\nThe changes you made will be lost." ),
			'warnCommentChanges' => __( "Are you sure you want to do this?\nThe comment changes you made will be lost." ),
			'docTitleComments' => __( 'Comments' ),
			/* translators: %s: comments count */
			'docTitleCommentsCount' => __( 'Comments (%s)' ),
		) );

		$scripts->add( 'xfn', "/wp-admin/js/xfn$suffix.js", array('jquery'), false, 1 );

		$scripts->add( 'postbox', "/wp-admin/js/postbox$suffix.js", array('jquery-ui-sortable'), false, 1 );
		did_action( 'init' ) && $scripts->localize( 'postbox', 'postBoxL10n', array(
			'postBoxEmptyString' => __( 'Drag boxes here' ),
		) );

		$scripts->add( 'tags-box', "/wp-admin/js/tags-box$suffix.js", array( 'jquery', 'tags-suggest' ), false, 1 );

		$scripts->add( 'tags-suggest', "/wp-admin/js/tags-suggest$suffix.js", array( 'jquery-ui-autocomplete', 'wp-a11y' ), false, 1 );
		did_action( 'init' ) && $scripts->localize( 'tags-suggest', 'tagsSuggestL10n', array(
			'tagDelimiter' => _x( ',', 'tag delimiter' ),
			'removeTerm'   => __( 'Remove term:' ),
			'termSelected' => __( 'Term selected.' ),
			'termAdded'    => __( 'Term added.' ),
			'termRemoved'  => __( 'Term removed.' ),
		) );

		$scripts->add( 'post', "/wp-admin/js/post$suffix.js", array( 'suggest', 'wp-lists', 'postbox', 'tags-box', 'underscore', 'word-count', 'wp-a11y' ), false, 1 );
		did_action( 'init' ) && $scripts->localize( 'post', 'postL10n', array(
			'ok' => __('OK'),
			'cancel' => __('Cancel'),
			'publishOn' => __('Publish on:'),
			'publishOnFuture' =>  __('Schedule for:'),
			'publishOnPast' => __('Published on:'),
			/* translators: 1: month, 2: day, 3: year, 4: hour, 5: minute */
			'dateFormat' => __('%1$s %2$s, %3$s @ %4$s:%5$s'),
			'showcomm' => __('Show more comments'),
			'endcomm' => __('No more comments found.'),
			'publish' => __('Publish'),
			'schedule' => __('Schedule'),
			'update' => __('Update'),
			'savePending' => __('Save as Pending'),
			'saveDraft' => __('Save Draft'),
			'private' => __('Private'),
			'public' => __('Public'),
			'publicSticky' => __('Public, Sticky'),
			'password' => __('Password Protected'),
			'privatelyPublished' => __('Privately Published'),
			'published' => __('Published'),
			'saveAlert' => __('The changes you made will be lost if you navigate away from this page.'),
			'savingText' => __('Saving Draft&#8230;'),
			'permalinkSaved' => __( 'Permalink saved' ),
		) );

		$scripts->add( 'press-this', "/wp-admin/js/press-this$suffix.js", array( 'jquery', 'tags-box' ), false, 1 );
		did_action( 'init' ) && $scripts->localize( 'press-this', 'pressThisL10n', array(
			'newPost' => __( 'Title' ),
			'serverError' => __( 'Connection lost or the server is busy. Please try again later.' ),
			'saveAlert' => __( 'The changes you made will be lost if you navigate away from this page.' ),
			/* translators: %d: nth embed found in a post */
			'suggestedEmbedAlt' => __( 'Suggested embed #%d' ),
			/* translators: %d: nth image found in a post */
			'suggestedImgAlt' => __( 'Suggested image #%d' ),
		) );

		$scripts->add( 'editor-expand', "/wp-admin/js/editor-expand$suffix.js", array( 'jquery', 'underscore' ), false, 1 );

		$scripts->add( 'link', "/wp-admin/js/link$suffix.js", array( 'wp-lists', 'postbox' ), false, 1 );

		$scripts->add( 'comment', "/wp-admin/js/comment$suffix.js", array( 'jquery', 'postbox' ) );
		$scripts->add_data( 'comment', 'group', 1 );
		did_action( 'init' ) && $scripts->localize( 'comment', 'commentL10n', array(
			'submittedOn' => __( 'Submitted on:' ),
			/* translators: 1: month, 2: day, 3: year, 4: hour, 5: minute */
			'dateFormat' => __( '%1$s %2$s, %3$s @ %4$s:%5$s' )
		) );

		$scripts->add( 'admin-gallery', "/wp-admin/js/gallery$suffix.js", array( 'jquery-ui-sortable' ) );

		$scripts->add( 'admin-widgets', "/wp-admin/js/widgets$suffix.js", array( 'jquery-ui-sortable', 'jquery-ui-draggable', 'jquery-ui-droppable' ), false, 1 );
		$scripts->add( 'media-widgets', "/wp-admin/js/widgets/media-widgets$suffix.js", array( 'jquery', 'media-models', 'media-views' ) );
		$scripts->add_inline_script( 'media-widgets', 'wp.mediaWidgets.init();', 'after' );

		$scripts->add( 'media-audio-widget', "/wp-admin/js/widgets/media-audio-widget$suffix.js", array( 'media-widgets', 'media-audiovideo' ) );
		$scripts->add( 'media-image-widget', "/wp-admin/js/widgets/media-image-widget$suffix.js", array( 'media-widgets' ) );
		$scripts->add( 'media-video-widget', "/wp-admin/js/widgets/media-video-widget$suffix.js", array( 'media-widgets', 'media-audiovideo' ) );
		$scripts->add( 'text-widgets', "/wp-admin/js/widgets/text-widgets$suffix.js", array( 'jquery', 'backbone', 'editor', 'wp-util' ) );
		$scripts->add_inline_script( 'text-widgets', 'wp.textWidgets.init();', 'after' );

		$scripts->add( 'theme', "/wp-admin/js/theme$suffix.js", array( 'wp-backbone', 'wp-a11y' ), false, 1 );

		$scripts->add( 'inline-edit-post', "/wp-admin/js/inline-edit-post$suffix.js", array( 'jquery', 'tags-suggest', 'wp-a11y' ), false, 1 );
		did_action( 'init' ) && $scripts->localize( 'inline-edit-post', 'inlineEditL10n', array(
			'error'      => __( 'Error while saving the changes.' ),
			'ntdeltitle' => __( 'Remove From Bulk Edit' ),
			'notitle'    => __( '(no title)' ),
			'comma'      => trim( _x( ',', 'tag delimiter' ) ),
			'saved'      => __( 'Changes saved.' ),
		) );

		$scripts->add( 'inline-edit-tax', "/wp-admin/js/inline-edit-tax$suffix.js", array( 'jquery', 'wp-a11y' ), false, 1 );
		did_action( 'init' ) && $scripts->localize( 'inline-edit-tax', 'inlineEditL10n', array(
			'error' => __( 'Error while saving the changes.' ),
			'saved' => __( 'Changes saved.' ),
		) );

		$scripts->add( 'plugin-install', "/wp-admin/js/plugin-install$suffix.js", array( 'jquery', 'jquery-ui-core', 'thickbox' ), false, 1 );
		did_action( 'init' ) && $scripts->localize( 'plugin-install', 'plugininstallL10n', array(
			'plugin_information' => __( 'Plugin:' ),
			'plugin_modal_label' => __( 'Plugin details' ),
			'ays' => __('Are you sure you want to install this plugin?')
		) );

		$scripts->add( 'updates', "/wp-admin/js/updates$suffix.js", array( 'jquery', 'wp-util', 'wp-a11y' ), false, 1 );
		did_action( 'init' ) && $scripts->localize( 'updates', '_wpUpdatesSettings', array(
			'ajax_nonce' => wp_create_nonce( 'updates' ),
			'l10n'       => array(
				/* translators: %s: Search string */
				'searchResults'              => __( 'Search results for &#8220;%s&#8221;' ),
				'searchResultsLabel'         => __( 'Search Results' ),
				'noPlugins'                  => __( 'You do not appear to have any plugins available at this time.' ),
				'noItemsSelected'            => __( 'Please select at least one item to perform this action on.' ),
				'updating'                   => __( 'Updating...' ), // No ellipsis.
				'pluginUpdated'              => _x( 'Updated!', 'plugin' ),
				'themeUpdated'               => _x( 'Updated!', 'theme' ),
				'update'                     => __( 'Update' ),
				'updateNow'                  => __( 'Update Now' ),
				/* translators: %s: Plugin name and version */
				'pluginUpdateNowLabel'       => _x( 'Update %s now', 'plugin' ),
				'updateFailedShort'          => __( 'Update Failed!' ),
				/* translators: %s: Error string for a failed update */
				'updateFailed'               => __( 'Update Failed: %s' ),
				/* translators: %s: Plugin name and version */
				'pluginUpdatingLabel'        => _x( 'Updating %s...', 'plugin' ), // No ellipsis.
				/* translators: %s: Plugin name and version */
				'pluginUpdatedLabel'         => _x( '%s updated!', 'plugin' ),
				/* translators: %s: Plugin name and version */
				'pluginUpdateFailedLabel'    => _x( '%s update failed', 'plugin' ),
				/* translators: Accessibility text */
				'updatingMsg'                => __( 'Updating... please wait.' ), // No ellipsis.
				/* translators: Accessibility text */
				'updatedMsg'                 => __( 'Update completed successfully.' ),
				/* translators: Accessibility text */
				'updateCancel'               => __( 'Update canceled.' ),
				'beforeunload'               => __( 'Updates may not complete if you navigate away from this page.' ),
				'installNow'                 => __( 'Install Now' ),
				/* translators: %s: Plugin name */
				'pluginInstallNowLabel'      => _x( 'Install %s now', 'plugin' ),
				'installing'                 => __( 'Installing...' ),
				'pluginInstalled'            => _x( 'Installed!', 'plugin' ),
				'themeInstalled'             => _x( 'Installed!', 'theme' ),
				'installFailedShort'         => __( 'Install Failed!' ),
				/* translators: %s: Error string for a failed installation */
				'installFailed'              => __( 'Installation failed: %s' ),
				/* translators: %s: Plugin name and version */
				'pluginInstallingLabel'      => _x( 'Installing %s...', 'plugin' ), // no ellipsis
				/* translators: %s: Theme name and version */
				'themeInstallingLabel'       => _x( 'Installing %s...', 'theme' ), // no ellipsis
				/* translators: %s: Plugin name and version */
				'pluginInstalledLabel'       => _x( '%s installed!', 'plugin' ),
				/* translators: %s: Theme name and version */
				'themeInstalledLabel'        => _x( '%s installed!', 'theme' ),
				/* translators: %s: Plugin name and version */
				'pluginInstallFailedLabel'   => _x( '%s installation failed', 'plugin' ),
				/* translators: %s: Theme name and version */
				'themeInstallFailedLabel'    => _x( '%s installation failed', 'theme' ),
				'installingMsg'              => __( 'Installing... please wait.' ),
				'installedMsg'               => __( 'Installation completed successfully.' ),
				/* translators: %s: Activation URL */
				'importerInstalledMsg'       => __( 'Importer installed successfully. <a href="%s">Run importer</a>' ),
				/* translators: %s: Theme name */
				'aysDelete'                  => __( 'Are you sure you want to delete %s?' ),
				/* translators: %s: Plugin name */
				'aysDeleteUninstall'         => __( 'Are you sure you want to delete %s and its data?' ),
				'aysBulkDelete'              => __( 'Are you sure you want to delete the selected plugins and their data?' ),
				'aysBulkDeleteThemes'        => __( 'Caution: These themes may be active on other sites in the network. Are you sure you want to proceed?' ),
				'deleting'                   => __( 'Deleting...' ),
				/* translators: %s: Error string for a failed deletion */
				'deleteFailed'               => __( 'Deletion failed: %s' ),
				'pluginDeleted'              => _x( 'Deleted!', 'plugin' ),
				'themeDeleted'               => _x( 'Deleted!', 'theme' ),
				'livePreview'                => __( 'Live Preview' ),
				'activatePlugin'             => is_network_admin() ? __( 'Network Activate' ) : __( 'Activate' ),
				'activateTheme'              => is_network_admin() ? __( 'Network Enable' ) : __( 'Activate' ),
				/* translators: %s: Plugin name */
				'activatePluginLabel'        => is_network_admin() ? _x( 'Network Activate %s', 'plugin' ) : _x( 'Activate %s', 'plugin' ),
				/* translators: %s: Theme name */
				'activateThemeLabel'         => is_network_admin() ? _x( 'Network Activate %s', 'theme' ) : _x( 'Activate %s', 'theme' ),
				'activateImporter'           => __( 'Run Importer' ),
				/* translators: %s: Importer name */
				'activateImporterLabel'      => __( 'Run %s' ),
				'unknownError'               => __( 'An unknown error occurred' ),
				'connectionError'            => __( 'Connection lost or the server is busy. Please try again later.' ),
				'nonceError'                 => __( 'An error has occurred. Please reload the page and try again.' ),
				'pluginsFound'               => __( 'Number of plugins found: %d' ),
				'noPluginsFound'             => __( 'No plugins found. Try a different search.' ),
			),
		) );

		$scripts->add( 'farbtastic', '/wp-admin/js/farbtastic.js', array('jquery'), '1.2' );

		$scripts->add( 'iris', '/wp-admin/js/iris.min.js', array( 'jquery-ui-draggable', 'jquery-ui-slider', 'jquery-touch-punch' ), '1.0.7', 1 );
		$scripts->add( 'wp-color-picker', "/wp-admin/js/color-picker$suffix.js", array( 'iris' ), false, 1 );
		did_action( 'init' ) && $scripts->localize( 'wp-color-picker', 'wpColorPickerL10n', array(
			'clear' => __( 'Clear' ),
			'defaultString' => __( 'Default' ),
			'pick' => __( 'Select Color' ),
			'current' => __( 'Current Color' ),
		) );

		$scripts->add( 'dashboard', "/wp-admin/js/dashboard$suffix.js", array( 'jquery', 'admin-comments', 'postbox', 'wp-util', 'wp-a11y' ), false, 1 );

		$scripts->add( 'list-revisions', "/wp-includes/js/wp-list-revisions$suffix.js" );

		$scripts->add( 'media-grid', "/wp-includes/js/media-grid$suffix.js", array( 'media-editor' ), false, 1 );
		$scripts->add( 'media', "/wp-admin/js/media$suffix.js", array( 'jquery' ), false, 1 );
		did_action( 'init' ) && $scripts->localize( 'media', 'attachMediaBoxL10n', array(
			'error' => __( 'An error has occurred. Please reload the page and try again.' ),
		));

		$scripts->add( 'image-edit', "/wp-admin/js/image-edit$suffix.js", array('jquery', 'json2', 'imgareaselect'), false, 1 );
		did_action( 'init' ) && $scripts->localize( 'image-edit', 'imageEditL10n', array(
			'error' => __( 'Could not load the preview image. Please reload the page and try again.' )
		));

		$scripts->add( 'set-post-thumbnail', "/wp-admin/js/set-post-thumbnail$suffix.js", array( 'jquery' ), false, 1 );
		did_action( 'init' ) && $scripts->localize( 'set-post-thumbnail', 'setPostThumbnailL10n', array(
			'setThumbnail' => __( 'Use as featured image' ),
			'saving' => __( 'Saving...' ), // no ellipsis
			'error' => __( 'Could not set that as the thumbnail image. Try a different attachment.' ),
			'done' => __( 'Done' )
		) );

		// Navigation Menus
		$scripts->add( 'nav-menu', "/wp-admin/js/nav-menu$suffix.js", array( 'jquery-ui-sortable', 'jquery-ui-draggable', 'jquery-ui-droppable', 'wp-lists', 'postbox', 'json2' ) );
		did_action( 'init' ) && $scripts->localize( 'nav-menu', 'navMenuL10n', array(
			'noResultsFound' => __( 'No results found.' ),
			'warnDeleteMenu' => __( "You are about to permanently delete this menu. \n 'Cancel' to stop, 'OK' to delete." ),
			'saveAlert' => __( 'The changes you made will be lost if you navigate away from this page.' ),
			'untitled' => _x( '(no label)', 'missing menu item navigation label' )
		) );

		$scripts->add( 'custom-header', "/wp-admin/js/custom-header.js", array( 'jquery-masonry' ), false, 1 );
		$scripts->add( 'custom-background', "/wp-admin/js/custom-background$suffix.js", array( 'wp-color-picker', 'media-views' ), false, 1 );
		$scripts->add( 'media-gallery', "/wp-admin/js/media-gallery$suffix.js", array('jquery'), false, 1 );

		$scripts->add( 'svg-painter', '/wp-admin/js/svg-painter.js', array( 'jquery' ), false, 1 );
	}
}

/**
 * Assign default styles to $styles object.
 *
 * Nothing is returned, because the $styles parameter is passed by reference.
 * Meaning that whatever object is passed will be updated without having to
 * reassign the variable that was passed back to the same value. This saves
 * memory.
 *
 * Adding default styles is not the only task, it also assigns the base_url
 * property, the default version, and text direction for the object.
 *
 * @since 2.6.0
 *
 * @param WP_Styles $styles
 */
function wp_default_styles( &$styles ) {
	include( ABSPATH . WPINC . '/version.php' ); // include an unmodified $wp_version

	if ( ! defined( 'SCRIPT_DEBUG' ) )
		define( 'SCRIPT_DEBUG', false !== strpos( $wp_version, '-src' ) );


	if ( ! $guessurl = site_url() )
		$guessurl = wp_guess_url();

	$styles->base_url = $guessurl;
	$styles->content_url = defined('WP_CONTENT_URL')? WP_CONTENT_URL : '';
	$styles->default_version = get_bloginfo( 'version' );
	$styles->text_direction = function_exists( 'is_rtl' ) && is_rtl() ? 'rtl' : 'ltr';
	$styles->default_dirs = array('/wp-admin/', '/wp-includes/css/');

	// Open Sans is no longer used by core, but may be relied upon by themes and plugins.
	$open_sans_font_url = '';

	/* translators: If there are characters in your language that are not supported
	 * by Open Sans, translate this to 'off'. Do not translate into your own language.
	 */
	if ( 'off' !== _x( 'on', 'Open Sans font: on or off' ) ) {
		$subsets = 'latin,latin-ext';

		/* translators: To add an additional Open Sans character subset specific to your language,
		 * translate this to 'greek', 'cyrillic' or 'vietnamese'. Do not translate into your own language.
		 */
		$subset = _x( 'no-subset', 'Open Sans font: add new subset (greek, cyrillic, vietnamese)' );

		if ( 'cyrillic' == $subset ) {
			$subsets .= ',cyrillic,cyrillic-ext';
		} elseif ( 'greek' == $subset ) {
			$subsets .= ',greek,greek-ext';
		} elseif ( 'vietnamese' == $subset ) {
			$subsets .= ',vietnamese';
		}

		// Hotlink Open Sans, for now
		$open_sans_font_url = "https://fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,300,400,600&subset=$subsets";
	}

	// Register a stylesheet for the selected admin color scheme.
	$styles->add( 'colors', true, array( 'wp-admin', 'buttons' ) );

	$suffix = SCRIPT_DEBUG ? '' : '.min';

	// Admin CSS
	$styles->add( 'common',              "/wp-admin/css/common$suffix.css" );
	$styles->add( 'forms',               "/wp-admin/css/forms$suffix.css" );
	$styles->add( 'admin-menu',          "/wp-admin/css/admin-menu$suffix.css" );
	$styles->add( 'dashboard',           "/wp-admin/css/dashboard$suffix.css" );
	$styles->add( 'list-tables',         "/wp-admin/css/list-tables$suffix.css" );
	$styles->add( 'edit',                "/wp-admin/css/edit$suffix.css" );
	$styles->add( 'revisions',           "/wp-admin/css/revisions$suffix.css" );
	$styles->add( 'media',               "/wp-admin/css/media$suffix.css" );
	$styles->add( 'themes',              "/wp-admin/css/themes$suffix.css" );
	$styles->add( 'about',               "/wp-admin/css/about$suffix.css" );
	$styles->add( 'nav-menus',           "/wp-admin/css/nav-menus$suffix.css" );
	$styles->add( 'widgets',             "/wp-admin/css/widgets$suffix.css" );
	$styles->add( 'site-icon',           "/wp-admin/css/site-icon$suffix.css" );
	$styles->add( 'l10n',                "/wp-admin/css/l10n$suffix.css" );

	$styles->add( 'wp-admin', false, array( 'dashicons', 'common', 'forms', 'admin-menu', 'dashboard', 'list-tables', 'edit', 'revisions', 'media', 'themes', 'about', 'nav-menus', 'widgets', 'site-icon', 'l10n' ) );

	$styles->add( 'login',               "/wp-admin/css/login$suffix.css", array( 'dashicons', 'buttons', 'forms', 'l10n' ) );
	$styles->add( 'install',             "/wp-admin/css/install$suffix.css", array( 'buttons' ) );
	$styles->add( 'wp-color-picker',     "/wp-admin/css/color-picker$suffix.css" );
	$styles->add( 'customize-controls',  "/wp-admin/css/customize-controls$suffix.css", array( 'wp-admin', 'colors', 'ie', 'imgareaselect' ) );
	$styles->add( 'customize-widgets',   "/wp-admin/css/customize-widgets$suffix.css", array( 'wp-admin', 'colors' ) );
	$styles->add( 'customize-nav-menus', "/wp-admin/css/customize-nav-menus$suffix.css", array( 'wp-admin', 'colors' ) );
	$styles->add( 'press-this',          "/wp-admin/css/press-this$suffix.css", array( 'buttons' ) );

	$styles->add( 'ie', "/wp-admin/css/ie$suffix.css" );
	$styles->add_data( 'ie', 'conditional', 'lte IE 7' );

	// Common dependencies
	$styles->add( 'buttons',   "/wp-includes/css/buttons$suffix.css" );
	$styles->add( 'dashicons', "/wp-includes/css/dashicons$suffix.css" );

	// Includes CSS
	$styles->add( 'admin-bar',            "/wp-includes/css/admin-bar$suffix.css", array( 'dashicons' ) );
	$styles->add( 'wp-auth-check',        "/wp-includes/css/wp-auth-check$suffix.css", array( 'dashicons' ) );
	$styles->add( 'editor-buttons',       "/wp-includes/css/editor$suffix.css", array( 'dashicons' ) );
	$styles->add( 'media-views',          "/wp-includes/css/media-views$suffix.css", array( 'buttons', 'dashicons', 'wp-mediaelement' ) );
	$styles->add( 'wp-pointer',           "/wp-includes/css/wp-pointer$suffix.css", array( 'dashicons' ) );
	$styles->add( 'customize-preview',    "/wp-includes/css/customize-preview$suffix.css", array( 'dashicons' ) );
	$styles->add( 'wp-embed-template-ie', "/wp-includes/css/wp-embed-template-ie$suffix.css" );
	$styles->add_data( 'wp-embed-template-ie', 'conditional', 'lte IE 8' );

	// External libraries and friends
	$styles->add( 'imgareaselect',       '/wp-includes/js/imgareaselect/imgareaselect.css', array(), '0.9.8' );
	$styles->add( 'wp-jquery-ui-dialog', "/wp-includes/css/jquery-ui-dialog$suffix.css", array( 'dashicons' ) );
	$styles->add( 'mediaelement',        "/wp-includes/js/mediaelement/mediaelementplayer.min.css", array(), '2.22.0' );
	$styles->add( 'wp-mediaelement',     "/wp-includes/js/mediaelement/wp-mediaelement$suffix.css", array( 'mediaelement' ) );
	$styles->add( 'thickbox',            '/wp-includes/js/thickbox/thickbox.css', array( 'dashicons' ) );

	// Deprecated CSS
	$styles->add( 'deprecated-media', "/wp-admin/css/deprecated-media$suffix.css" );
	$styles->add( 'farbtastic',       "/wp-admin/css/farbtastic$suffix.css", array(), '1.3u1' );
	$styles->add( 'jcrop',            "/wp-includes/js/jcrop/jquery.Jcrop.min.css", array(), '0.9.12' );
	$styles->add( 'colors-fresh', false, array( 'wp-admin', 'buttons' ) ); // Old handle.
	$styles->add( 'open-sans', $open_sans_font_url ); // No longer used in core as of 4.6

	// RTL CSS
	$rtl_styles = array(
		// wp-admin
		'common', 'forms', 'admin-menu', 'dashboard', 'list-tables', 'edit', 'revisions', 'media', 'themes', 'about', 'nav-menus',
		'widgets', 'site-icon', 'l10n', 'install', 'wp-color-picker', 'customize-controls', 'customize-widgets', 'customize-nav-menus', 'customize-preview',
		'ie', 'login', 'press-this',
		// wp-includes
		'buttons', 'admin-bar', 'wp-auth-check', 'editor-buttons', 'media-views', 'wp-pointer',
		'wp-jquery-ui-dialog',
		// deprecated
		'deprecated-media', 'farbtastic',
	);

	foreach ( $rtl_styles as $rtl_style ) {
		$styles->add_data( $rtl_style, 'rtl', 'replace' );
		if ( $suffix ) {
			$styles->add_data( $rtl_style, 'suffix', $suffix );
		}
	}
}

/**
 * Reorder JavaScript scripts array to place prototype before jQuery.
 *
 * @since 2.3.1
 *
 * @param array $js_array JavaScript scripts array
 * @return array Reordered array, if needed.
 */
function wp_prototype_before_jquery( $js_array ) {
	if ( false === $prototype = array_search( 'prototype', $js_array, true ) )
		return $js_array;

	if ( false === $jquery = array_search( 'jquery', $js_array, true ) )
		return $js_array;

	if ( $prototype < $jquery )
		return $js_array;

	unset($js_array[$prototype]);

	array_splice( $js_array, $jquery, 0, 'prototype' );

	return $js_array;
}

/**
 * Load localized data on print rather than initialization.
 *
 * These localizations require information that may not be loaded even by init.
 *
 * @since 2.5.0
 */
function wp_just_in_time_script_localization() {

	wp_localize_script( 'autosave', 'autosaveL10n', array(
		'autosaveInterval' => AUTOSAVE_INTERVAL,
		'blog_id' => get_current_blog_id(),
	) );
}

/**
 * Localizes the jQuery UI datepicker.
 *
 * @since 4.6.0
 *
 * @link http://api.jqueryui.com/datepicker/#options
 *
 * @global WP_Locale $wp_locale The WordPress date and time locale object.
 */
function wp_localize_jquery_ui_datepicker() {
	global $wp_locale;

	if ( ! wp_script_is( 'jquery-ui-datepicker', 'enqueued' ) ) {
		return;
	}

	// Convert the PHP date format into jQuery UI's format.
	$datepicker_date_format = str_replace(
		array(
			'd', 'j', 'l', 'z', // Day.
			'F', 'M', 'n', 'm', // Month.
			'Y', 'y'            // Year.
		),
		array(
			'dd', 'd', 'DD', 'o',
			'MM', 'M', 'm', 'mm',
			'yy', 'y'
		),
		get_option( 'date_format' )
	);

	$datepicker_defaults = wp_json_encode( array(
		'closeText'       => __( 'Close' ),
		'currentText'     => __( 'Today' ),
		'monthNames'      => array_values( $wp_locale->month ),
		'monthNamesShort' => array_values( $wp_locale->month_abbrev ),
		'nextText'        => __( 'Next' ),
		'prevText'        => __( 'Previous' ),
		'dayNames'        => array_values( $wp_locale->weekday ),
		'dayNamesShort'   => array_values( $wp_locale->weekday_abbrev ),
		'dayNamesMin'     => array_values( $wp_locale->weekday_initial ),
		'dateFormat'      => $datepicker_date_format,
		'firstDay'        => absint( get_option( 'start_of_week' ) ),
		'isRTL'           => $wp_locale->is_rtl(),
	) );

	wp_add_inline_script( 'jquery-ui-datepicker', "jQuery(document).ready(function(jQuery){jQuery.datepicker.setDefaults({$datepicker_defaults});});" );
}

/**
 * Localizes community events data that needs to be passed to dashboard.js.
 *
 * @since 4.8.0
 */
function wp_localize_community_events() {
	if ( ! wp_script_is( 'dashboard' ) ) {
		return;
	}

	require_once( ABSPATH . 'wp-admin/includes/class-wp-community-events.php' );

	$user_id            = get_current_user_id();
	$saved_location     = get_user_option( 'community-events-location', $user_id );
	$saved_ip_address   = isset( $saved_location['ip'] ) ? $saved_location['ip'] : false;
	$current_ip_address = WP_Community_Events::get_unsafe_client_ip();

	/*
	 * If the user's location is based on their IP address, then update their
	 * location when their IP address changes. This allows them to see events
	 * in their current city when travelling. Otherwise, they would always be
	 * shown events in the city where they were when they first loaded the
	 * Dashboard, which could have been months or years ago.
	 */
	if ( $saved_ip_address && $current_ip_address && $current_ip_address !== $saved_ip_address ) {
''   == false // true
''   == null  // true
'ab' == false // false
'ab' == null  // false

// It is often better to use strict comparison
'' === false // false
'' === null  // false
		$saved_location['ip'] = $current_ip_address;
		update_user_option( $user_id, 'community-events-location', $saved_location, true );
	}

	$events_client = new WP_Community_Events( $user_id, $saved_location );

	wp_localize_script( 'dashboard', 'communityEventsData', array(
		'nonce' => wp_create_nonce( 'community_events' ),
		'cache' => $events_client->get_cached_events(),

		'l10n' => array(
			'enter_closest_city' => __( 'Enter your closest city to find nearby events.' ),
			'error_occurred_please_try_again' => __( 'An error occurred. Please try again.' ),
			'attend_event_near_generic' => __( 'Attend an upcoming event near you.' ),

			/*
			 * These specific examples were chosen to highlight the fact that a
			 * state is not needed, even for cities whose name is not unique.
			 * It would be too cumbersome to include that in the instructions
			 * to the user, so it's left as an implication.
			 */
			/* translators: %s is the name of the city we couldn't locate.
			 * Replace the examples with cities related to your locale. Test that
			 * they match the expected location and have upcoming events before
			 * including them. If no cities related to your locale have events,
			 * then use cities related to your locale that would be recognizable
			 * to most users. Use only the city name itself, without any region
			 * or country. Use the endonym (native locale name) instead of the
			 * English name if possible.
			 */
			'could_not_locate_city' => __( 'We couldn&#8217;t locate %s. Please try another nearby city. For example: Kansas City; Springfield; Portland.' ),

			// This one is only used with wp.a11y.speak(), so it can/should be more brief.
			/* translators: %s is the name of a city. */
			'city_updated' => __( 'City updated. Listing events near %s.' ),
		)
	) );
}

/**
 * Administration Screen CSS for changing the styles.
 *
 * If installing the 'wp-admin/' directory will be replaced with './'.
 *
 * The $_wp_admin_css_colors global manages the Administration Screens CSS
 * stylesheet that is loaded. The option that is set is 'admin_color' and is the
 * color and key for the array. The value for the color key is an object with
 * a 'url' parameter that has the URL path to the CSS file.
 *
 * The query from $src parameter will be appended to the URL that is given from
 * the $_wp_admin_css_colors array value URL.
 *
 * @since 2.6.0
 * @global array $_wp_admin_css_colors
 *
 * @param string $src    Source URL.
 * @param string $handle Either 'colors' or 'colors-rtl'.
 * @return string|false URL path to CSS stylesheet for Administration Screens.
 */
function wp_style_loader_src( $src, $handle ) {
	global $_wp_admin_css_colors;

	if ( wp_installing() )
		return preg_replace( '#^wp-admin/#', './', $src );

	if ( 'colors' == $handle ) {
		$color = get_user_option('admin_color');

		if ( empty($color) || !isset($_wp_admin_css_colors[$color]) )
			$color = 'fresh';

		$color = $_wp_admin_css_colors[$color];
		$url = $color->url;

		if ( ! $url ) {
			return false;
		}

		$parsed = parse_url( $src );
		if ( isset($parsed['query']) && $parsed['query'] ) {
			wp_parse_str( $parsed['query'], $qv );
			$url = add_query_arg( $qv, $url );
		}

		return $url;
	}

	return $src;
}

/**
 * Prints the script queue in the HTML head on admin pages.
 *
 * Postpones the scripts that were queued for the footer.
 * print_footer_scripts() is called in the footer to print these scripts.
 *
 * @since 2.8.0
 *
 * @see wp_print_scripts()
 *
 * @global bool $concatenate_scripts
 *
 * @return array
 */
function print_head_scripts() {
	global $concatenate_scripts;

	if ( ! did_action('wp_print_scripts') ) {
		/** This action is documented in wp-includes/functions.wp-scripts.php */
		do_action( 'wp_print_scripts' );
	}

	$wp_scripts = wp_scripts();

	script_concat_settings();
	$wp_scripts->do_concat = $concatenate_scripts;
	$wp_scripts->do_head_items();

	/**
	 * Filters whether to print the head scripts.
	 *
	 * @since 2.8.0
	 *
	 * @param bool $print Whether to print the head scripts. Default true.
	 */
	if ( apply_filters( 'print_head_scripts', true ) ) {
		_print_scripts();
	}

	$wp_scripts->reset();
	return $wp_scripts->done;
}

/**
 * Prints the scripts that were queued for the footer or too late for the HTML head.
 *
 * @since 2.8.0
 *
 * @global WP_Scripts $wp_scripts
 * @global bool       $concatenate_scripts
 *
 * @return array
 */
function print_footer_scripts() {

	global $wp_scripts, $concatenate_scripts;

	if ( ! ( $wp_scripts instanceof WP_Scripts ) ) {
		return array(); // No need to run if not instantiated.
	}
	script_concat_settings();
	$wp_scripts->do_concat = $concatenate_scripts;
	$wp_scripts->do_footer_items();

	/**
	 * Filters whether to print the footer scripts.
	 *
	 * @since 2.8.0
	 *
	 * @param bool $print Whether to print the footer scripts. Default true.
	 */
	if ( apply_filters( 'print_footer_scripts', true ) ) {
		_print_scripts();
	}

	$wp_scripts->reset();
	return $wp_scripts->done;
}

/**
 * Print scripts (internal use only)
 *
 * @ignore
 *
 * @global WP_Scripts $wp_scripts
 * @global bool       $compress_scripts
 */
function _print_scripts() {
	global $wp_scripts, $compress_scripts;

	$zip = $compress_scripts ? 1 : 0;
	if ( $zip && defined('ENFORCE_GZIP') && ENFORCE_GZIP )
		$zip = 'gzip';

	if ( $concat = trim( $wp_scripts->concat, ', ' ) ) {

		if ( !empty($wp_scripts->print_code) ) {
			echo "\n<script type='text/javascript'>\n";
			echo "/* <![CDATA[ */\n"; // not needed in HTML 5
			echo $wp_scripts->print_code;
			echo "/* ]]> */\n";
			echo "</script>\n";
		}

		$concat = str_split( $concat, 128 );
		$concat = 'load%5B%5D=' . implode( '&load%5B%5D=', $concat );

		$src = $wp_scripts->base_url . "/wp-admin/load-scripts.php?c={$zip}&" . $concat . '&ver=' . $wp_scripts->default_version;
		echo "<script type='text/javascript' src='" . esc_attr($src) . "'></script>\n";
	}

	if ( !empty($wp_scripts->print_html) )
		echo $wp_scripts->print_html;
}

/**
 * Prints the script queue in the HTML head on the front end.
 *
 * Postpones the scripts that were queued for the footer.
 * wp_print_footer_scripts() is called in the footer to print these scripts.
 *
 * @since 2.8.0
 *
 * @global WP_Scripts $wp_scripts
 *
 * @return array
 */
function wp_print_head_scripts() {
	if ( ! did_action('wp_print_scripts') ) {
		/** This action is documented in wp-includes/functions.wp-scripts.php */
		do_action( 'wp_print_scripts' );
	}

	global $wp_scripts;

	if ( ! ( $wp_scripts instanceof WP_Scripts ) ) {
		return array(); // no need to run if nothing is queued
	}
	return print_head_scripts();
}

/**
 * Private, for use in *_footer_scripts hooks
 *
 * @since 3.3.0
 */
function _wp_footer_scripts() {
	print_late_styles();
	print_footer_scripts();
}

/**
 * Hooks to print the scripts and styles in the footer.
 *
 * @since 2.8.0
 */
function wp_print_footer_scripts() {
	/**
	 * Fires when footer scripts are printed.
	 *
	 * @since 2.8.0
	 */
	do_action( 'wp_print_footer_scripts' );
}

/**
 * Wrapper for do_action('wp_enqueue_scripts')
 *
 * Allows plugins to queue scripts for the front end using wp_enqueue_script().
 * Runs first in wp_head() where all is_home(), is_page(), etc. functions are available.
 *
 * @since 2.8.0
 */
function wp_enqueue_scripts() {
	/**
	 * Fires when scripts and styles are enqueued.
	 *
	 * @since 2.8.0
	 */
	do_action( 'wp_enqueue_scripts' );
}

/**
 * Prints the styles queue in the HTML head on admin pages.
 *
 * @since 2.8.0
 *
 * @global bool $concatenate_scripts
 *
 * @return array
 */
function print_admin_styles() {
	global $concatenate_scripts;

	$wp_styles = wp_styles();

	script_concat_settings();
	$wp_styles->do_concat = $concatenate_scripts;
	$wp_styles->do_items(false);

	/**
	 * Filters whether to print the admin styles.
	 *
	 * @since 2.8.0
	 *
	 * @param bool $print Whether to print the admin styles. Default true.
	 */
	if ( apply_filters( 'print_admin_styles', true ) ) {
		_print_styles();
	}

	$wp_styles->reset();
	return $wp_styles->done;
}

/**
 * Prints the styles that were queued too late for the HTML head.
 *
 * @since 3.3.0
 *
 * @global WP_Styles $wp_styles
 * @global bool      $concatenate_scripts
 *
 * @return array|void
 */
function print_late_styles() {

	global $wp_styles, $concatenate_scripts;

	if ( ! ( $wp_styles instanceof WP_Styles ) ) {
		return;
	}

	script_concat_settings();
	$wp_styles->do_concat = $concatenate_scripts;
	$wp_styles->do_footer_items();

	/**
	 * Filters whether to print the styles queued too late for the HTML head.
	 *
	 * @since 3.3.0
	 *
	 * @param bool $print Whether to print the 'late' styles. Default true.
	 */
	if ( apply_filters( 'print_late_styles', true ) ) {
		_print_styles();
	}

	$wp_styles->reset();
	return $wp_styles->done;
}

/**
 * Print styles (internal use only)
 *
 * @ignore
 * @since 3.3.0
 *
 * @global bool $compress_css
 */
function _print_styles() {
	global $compress_css;

	$wp_styles = wp_styles();

	$zip = $compress_css ? 1 : 0;
	if ( $zip && defined('ENFORCE_GZIP') && ENFORCE_GZIP )
		$zip = 'gzip';

	if ( $concat = trim( $wp_styles->concat, ', ' ) ) {
		$dir = $wp_styles->text_direction;
		$ver = $wp_styles->default_version;

		$concat = str_split( $concat, 128 );
		$concat = 'load%5B%5D=' . implode( '&load%5B%5D=', $concat );

		$href = $wp_styles->base_url . "/wp-admin/load-styles.php?c={$zip}&dir={$dir}&" . $concat . '&ver=' . $ver;
		echo "<link rel='stylesheet' href='" . esc_attr($href) . "' type='text/css' media='all' />\n";

		if ( !empty($wp_styles->print_code) ) {
			echo "<style type='text/css'>\n";
			echo $wp_styles->print_code;
			echo "\n</style>\n";
		}
	}

	if ( !empty($wp_styles->print_html) )
		echo $wp_styles->print_html;
}

/**
 * Determine the concatenation and compression settings for scripts and styles.
 *
 * @since 2.8.0
 *
 * @global bool $concatenate_scripts
 * @global bool $compress_scripts
 * @global bool $compress_css
 */
function script_concat_settings() {
	global $concatenate_scripts, $compress_scripts, $compress_css;

	$compressed_output = ( ini_get('zlib.output_compression') || 'ob_gzhandler' == ini_get('output_handler') );

	if ( ! isset($concatenate_scripts) ) {
		$concatenate_scripts = defined('CONCATENATE_SCRIPTS') ? CONCATENATE_SCRIPTS : true;
		if ( ( ! is_admin() && ! did_action( 'login_init' ) ) || ( defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ) )
			$concatenate_scripts = false;
	}

	if ( ! isset($compress_scripts) ) {
		$compress_scripts = defined('COMPRESS_SCRIPTS') ? COMPRESS_SCRIPTS : true;
		if ( $compress_scripts && ( ! get_site_option('can_compress_scripts') || $compressed_output ) )
			$compress_scripts = false;
	}

	if ( ! isset($compress_css) ) {
		$compress_css = defined('COMPRESS_CSS') ? COMPRESS_CSS : true;
		if ( $compress_css && ( ! get_site_option('can_compress_scripts') || $compressed_output ) )
			$compress_css = false;
	}
}

ntwb / wordpress

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