insideout10 / wordlift-plugin

src/wordlift.php

Indentation +253 added lines, -253 removed lines

@@ -26,7 +26,7 @@ 
 
 // If this file is called directly, abort.
 if ( ! defined( 'WPINC' ) ) {
-	die;
+    die;
 }
 
 // Include WordLift constants.
@@ -47,18 +47,18 @@ 
  */
 function wl_write_log( $log ) {
 
-	$handler = apply_filters( 'wl_write_log_handler', NULL );
+    $handler = apply_filters( 'wl_write_log_handler', NULL );
 
-	$callers         = debug_backtrace();
-	$caller_function = $callers[1]['function'];
+    $callers         = debug_backtrace();
+    $caller_function = $callers[1]['function'];
 
-	if ( is_null( $handler ) ) {
-		wl_write_log_handler( $log, $caller_function );
+    if ( is_null( $handler ) ) {
+        wl_write_log_handler( $log, $caller_function );
 
-		return;
-	}
+        return;
+    }
 
-	call_user_func( $handler, $log, $caller_function );
+    call_user_func( $handler, $log, $caller_function );
 }
 
 /**
@@ -71,20 +71,20 @@ 
  */
 function wl_write_log_handler( $log, $caller = NULL ) {
 
-	global $wl_logger;
+    global $wl_logger;
 
-	if ( TRUE === WP_DEBUG ) {
+    if ( TRUE === WP_DEBUG ) {
 
-		$message = ( isset( $caller ) ? sprintf( '[%-40.40s] ', $caller ) : '' ) .
-		           ( is_array( $log ) || is_object( $log ) ? print_r( $log, TRUE ) : wl_write_log_hide_key( $log ) );
+        $message = ( isset( $caller ) ? sprintf( '[%-40.40s] ', $caller ) : '' ) .
+                    ( is_array( $log ) || is_object( $log ) ? print_r( $log, TRUE ) : wl_write_log_hide_key( $log ) );
 
-		if ( isset( $wl_logger ) ) {
-			$wl_logger->info( $message );
-		} else {
-			error_log( $message );
-		}
+        if ( isset( $wl_logger ) ) {
+            $wl_logger->info( $message );
+        } else {
+            error_log( $message );
+        }
 
-	}
+    }
 
 }
 
@@ -99,7 +99,7 @@ 
  */
 function wl_write_log_hide_key( $text ) {
 
-	return str_ireplace( wl_configuration_get_key(), '<hidden>', $text );
+    return str_ireplace( wl_configuration_get_key(), '<hidden>', $text );
 }
 
 /**
@@ -111,10 +111,10 @@ 
  */
 function wl_queue_sparql_update_query( $query ) {
 
-	$filename = WL_TEMP_DIR . WL_REQUEST_ID . '.sparql';
-	file_put_contents( $filename, $query . "\n", FILE_APPEND );
+    $filename = WL_TEMP_DIR . WL_REQUEST_ID . '.sparql';
+    file_put_contents( $filename, $query . "\n", FILE_APPEND );
 
-	wl_write_log( "wl_queue_sparql_update_query [ filename :: $filename ]" );
+    wl_write_log( "wl_queue_sparql_update_query [ filename :: $filename ]" );
 }
 
 /**
@@ -124,28 +124,28 @@ 
  */
 function wl_execute_saved_sparql_update_query( $request_id ) {
 
-	$filename = WL_TEMP_DIR . $request_id . '.sparql';
+    $filename = WL_TEMP_DIR . $request_id . '.sparql';
 
-	// If the file doesn't exist, exit.
-	if ( ! file_exists( $filename ) ) {
-		wl_write_log( "wl_execute_saved_sparql_update_query : file doesn't exist [ filename :: $filename ]" );
+    // If the file doesn't exist, exit.
+    if ( ! file_exists( $filename ) ) {
+        wl_write_log( "wl_execute_saved_sparql_update_query : file doesn't exist [ filename :: $filename ]" );
 
-		return;
-	}
+        return;
+    }
 
-	wl_write_log( "wl_execute_saved_sparql_update_query [ filename :: $filename ]" );
+    wl_write_log( "wl_execute_saved_sparql_update_query [ filename :: $filename ]" );
 
-	// Get the query saved in the file.
-	$query = file_get_contents( $filename );
+    // Get the query saved in the file.
+    $query = file_get_contents( $filename );
 
-	// Execute the SPARQL query.
-	rl_execute_sparql_update_query( $query, FALSE );
+    // Execute the SPARQL query.
+    rl_execute_sparql_update_query( $query, FALSE );
 
-	// Reindex the triple store.
-	wordlift_reindex_triple_store();
+    // Reindex the triple store.
+    wordlift_reindex_triple_store();
 
-	// Delete the temporary file.
-	unlink( $filename );
+    // Delete the temporary file.
+    unlink( $filename );
 }
 
 add_action( 'wl_execute_saved_sparql_update_query', 'wl_execute_saved_sparql_update_query', 10, 1 );
@@ -155,10 +155,10 @@ 
  */
 function wordlift_buttonhooks() {
 
-	// Only add hooks when the current user has permissions AND is in Rich Text editor mode
-	if ( ( current_user_can( 'edit_posts' ) || current_user_can( 'edit_pages' ) ) && get_user_option( 'rich_editing' ) ) {
-		add_filter( 'mce_external_plugins', 'wordlift_register_tinymce_javascript' );
-	}
+    // Only add hooks when the current user has permissions AND is in Rich Text editor mode
+    if ( ( current_user_can( 'edit_posts' ) || current_user_can( 'edit_pages' ) ) && get_user_option( 'rich_editing' ) ) {
+        add_filter( 'mce_external_plugins', 'wordlift_register_tinymce_javascript' );
+    }
 }
 
 /**
@@ -170,10 +170,10 @@ 
  */
 function wordlift_register_tinymce_javascript( $plugin_array ) {
 
-	// add the wordlift plugin.
-	$plugin_array['wordlift'] = plugin_dir_url( __FILE__ ) . 'js/wordlift-reloaded.js';
+    // add the wordlift plugin.
+    $plugin_array['wordlift'] = plugin_dir_url( __FILE__ ) . 'js/wordlift-reloaded.js';
 
-	return $plugin_array;
+    return $plugin_array;
 }
 
 /**
@@ -181,21 +181,21 @@ 
  * see http://vip.wordpress.com/documentation/register-additional-html-attributes-for-tinymce-and-wp-kses/
  */
 function wordlift_allowed_post_tags() {
-	global $allowedposttags;
-
-	$tags           = array( 'span' );
-	$new_attributes = array(
-		'itemscope' => array(),
-		'itemtype'  => array(),
-		'itemprop'  => array(),
-		'itemid'    => array()
-	);
-
-	foreach ( $tags as $tag ) {
-		if ( isset( $allowedposttags[ $tag ] ) && is_array( $allowedposttags[ $tag ] ) ) {
-			$allowedposttags[ $tag ] = array_merge( $allowedposttags[ $tag ], $new_attributes );
-		}
-	}
+    global $allowedposttags;
+
+    $tags           = array( 'span' );
+    $new_attributes = array(
+        'itemscope' => array(),
+        'itemtype'  => array(),
+        'itemprop'  => array(),
+        'itemid'    => array()
+    );
+
+    foreach ( $tags as $tag ) {
+        if ( isset( $allowedposttags[ $tag ] ) && is_array( $allowedposttags[ $tag ] ) ) {
+            $allowedposttags[ $tag ] = array_merge( $allowedposttags[ $tag ], $new_attributes );
+        }
+    }
 }
 
 // init process for button control
@@ -209,28 +209,28 @@ 
  */
 function wordlift_admin_enqueue_scripts() {
 
-	// Added for compatibility with WordPress 3.9 (see http://make.wordpress.org/core/2014/04/16/jquery-ui-and-wpdialogs-in-wordpress-3-9/)
-	wp_enqueue_script( 'wpdialogs' );
-	wp_enqueue_style( 'wp-jquery-ui-dialog' );
+    // Added for compatibility with WordPress 3.9 (see http://make.wordpress.org/core/2014/04/16/jquery-ui-and-wpdialogs-in-wordpress-3-9/)
+    wp_enqueue_script( 'wpdialogs' );
+    wp_enqueue_style( 'wp-jquery-ui-dialog' );
 
-	wp_enqueue_style( 'wordlift-reloaded', plugin_dir_url( __FILE__ ) . 'css/wordlift-reloaded.min.css' );
+    wp_enqueue_style( 'wordlift-reloaded', plugin_dir_url( __FILE__ ) . 'css/wordlift-reloaded.min.css' );
 
-	wp_enqueue_script( 'jquery-ui-autocomplete' );
-	wp_enqueue_script( 'angularjs', 'https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.3.11/angular.min.js' );
-	wp_enqueue_script( 'angularjs-geolocation', plugin_dir_url( __FILE__ ) . '/bower_components/angularjs-geolocation/dist/angularjs-geolocation.min.js' );
-	wp_enqueue_script( 'angularjs-touch', 'https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.3.11/angular-touch.min.js' );
-	wp_enqueue_script( 'angularjs-animate', 'https://code.angularjs.org/1.3.11/angular-animate.min.js' );
+    wp_enqueue_script( 'jquery-ui-autocomplete' );
+    wp_enqueue_script( 'angularjs', 'https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.3.11/angular.min.js' );
+    wp_enqueue_script( 'angularjs-geolocation', plugin_dir_url( __FILE__ ) . '/bower_components/angularjs-geolocation/dist/angularjs-geolocation.min.js' );
+    wp_enqueue_script( 'angularjs-touch', 'https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.3.11/angular-touch.min.js' );
+    wp_enqueue_script( 'angularjs-animate', 'https://code.angularjs.org/1.3.11/angular-animate.min.js' );
 
-	// Disable auto-save for custom entity posts only
-	if ( Wordlift_Entity_Service::TYPE_NAME === get_post_type() ) {
-		wp_dequeue_script( 'autosave' );
-	}
+    // Disable auto-save for custom entity posts only
+    if ( Wordlift_Entity_Service::TYPE_NAME === get_post_type() ) {
+        wp_dequeue_script( 'autosave' );
+    }
 }
 
 add_action( 'admin_enqueue_scripts', 'wordlift_admin_enqueue_scripts' );
 
 function wl_enqueue_scripts() {
-	wp_enqueue_style( 'wordlift-ui', plugin_dir_url( __FILE__ ) . 'css/wordlift-ui.min.css' );
+    wp_enqueue_style( 'wordlift-ui', plugin_dir_url( __FILE__ ) . 'css/wordlift-ui.min.css' );
 }
 
 add_action( 'wp_enqueue_scripts', 'wl_enqueue_scripts' );
@@ -245,18 +245,18 @@ 
  */
 function wordlift_allowed_html( $allowedtags, $context ) {
 
-	if ( 'post' !== $context ) {
-		return $allowedtags;
-	}
-
-	return array_merge_recursive( $allowedtags, array(
-		'span' => array(
-			'itemscope' => TRUE,
-			'itemtype'  => TRUE,
-			'itemid'    => TRUE,
-			'itemprop'  => TRUE
-		)
-	) );
+    if ( 'post' !== $context ) {
+        return $allowedtags;
+    }
+
+    return array_merge_recursive( $allowedtags, array(
+        'span' => array(
+            'itemscope' => TRUE,
+            'itemtype'  => TRUE,
+            'itemid'    => TRUE,
+            'itemprop'  => TRUE
+        )
+    ) );
 }
 
 add_filter( 'wp_kses_allowed_html', 'wordlift_allowed_html', 10, 2 );
@@ -270,15 +270,15 @@ 
  */
 function wl_get_coordinates( $post_id ) {
 
-	$latitude  = wl_schema_get_value( $post_id, 'latitude' );
-	$longitude = wl_schema_get_value( $post_id, 'longitude' );
+    $latitude  = wl_schema_get_value( $post_id, 'latitude' );
+    $longitude = wl_schema_get_value( $post_id, 'longitude' );
 
-	// DO NOT set latitude/longitude to 0/0 as default values. It's a specific place on the globe:
-	// "The zero/zero point of this system is located in the Gulf of Guinea about 625 km (390 mi) south of Tema, Ghana."
-	return array(
-		'latitude'  => isset( $latitude[0] ) && is_numeric( $latitude[0] ) ? $latitude[0] : '',
-		'longitude' => isset( $longitude[0] ) && is_numeric( $longitude[0] ) ? $longitude[0] : ''
-	);
+    // DO NOT set latitude/longitude to 0/0 as default values. It's a specific place on the globe:
+    // "The zero/zero point of this system is located in the Gulf of Guinea about 625 km (390 mi) south of Tema, Ghana."
+    return array(
+        'latitude'  => isset( $latitude[0] ) && is_numeric( $latitude[0] ) ? $latitude[0] : '',
+        'longitude' => isset( $longitude[0] ) && is_numeric( $longitude[0] ) ? $longitude[0] : ''
+    );
 }
 
 /**
@@ -290,13 +290,13 @@ 
  */
 function wl_get_post_modified_time( $post ) {
 
-	$date_modified = get_post_modified_time( 'c', TRUE, $post );
+    $date_modified = get_post_modified_time( 'c', TRUE, $post );
 
-	if ( '-' === substr( $date_modified, 0, 1 ) ) {
-		return get_the_time( 'c', $post );
-	}
+    if ( '-' === substr( $date_modified, 0, 1 ) ) {
+        return get_the_time( 'c', $post );
+    }
 
-	return $date_modified;
+    return $date_modified;
 }
 
 /**
@@ -309,42 +309,42 @@ 
 function wl_get_image_urls( $post_id ) {
 
 
-	// If there is a featured image it has the priority
-	$featured_image_id = get_post_thumbnail_id( $post_id );
-	if ( is_numeric( $featured_image_id ) ) {
-		$image_url = wp_get_attachment_url( $featured_image_id );
+    // If there is a featured image it has the priority
+    $featured_image_id = get_post_thumbnail_id( $post_id );
+    if ( is_numeric( $featured_image_id ) ) {
+        $image_url = wp_get_attachment_url( $featured_image_id );
 
-		return array( $image_url );
-	}
+        return array( $image_url );
+    }
 
-	// wl_write_log( "wl_get_image_urls [ post id :: $post_id ]" );
+    // wl_write_log( "wl_get_image_urls [ post id :: $post_id ]" );
 
-	$images = get_children( array(
-		'post_parent'    => $post_id,
-		'post_type'      => 'attachment',
-		'post_mime_type' => 'image'
-	) );
+    $images = get_children( array(
+        'post_parent'    => $post_id,
+        'post_type'      => 'attachment',
+        'post_mime_type' => 'image'
+    ) );
 
-	// Return an empty array if no image is found.
-	if ( empty( $images ) ) {
-		return array();
-	}
+    // Return an empty array if no image is found.
+    if ( empty( $images ) ) {
+        return array();
+    }
 
-	// Prepare the return array.
-	$image_urls = array();
+    // Prepare the return array.
+    $image_urls = array();
 
-	// Collect the URLs.
-	foreach ( $images as $attachment_id => $attachment ) {
-		$image_url = wp_get_attachment_url( $attachment_id );
-		// Ensure the URL isn't collected already.
-		if ( ! in_array( $image_url, $image_urls ) ) {
-			array_push( $image_urls, $image_url );
-		}
-	}
+    // Collect the URLs.
+    foreach ( $images as $attachment_id => $attachment ) {
+        $image_url = wp_get_attachment_url( $attachment_id );
+        // Ensure the URL isn't collected already.
+        if ( ! in_array( $image_url, $image_urls ) ) {
+            array_push( $image_urls, $image_url );
+        }
+    }
 
-	// wl_write_log( "wl_get_image_urls [ post id :: $post_id ][ image urls count :: " . count( $image_urls ) . " ]" );
+    // wl_write_log( "wl_get_image_urls [ post id :: $post_id ][ image urls count :: " . count( $image_urls ) . " ]" );
 
-	return $image_urls;
+    return $image_urls;
 }
 
 /**
@@ -357,19 +357,19 @@ 
  */
 function wl_get_sparql_images( $uri, $post_id ) {
 
-	$sparql = '';
+    $sparql = '';
 
-	// Get the escaped URI.
-	$uri_e = esc_html( $uri );
+    // Get the escaped URI.
+    $uri_e = esc_html( $uri );
 
-	// Add SPARQL stmts to write the schema:image.
-	$image_urls = wl_get_image_urls( $post_id );
-	foreach ( $image_urls as $image_url ) {
-		$image_url_esc = wl_sparql_escape_uri( $image_url );
-		$sparql .= " <$uri_e> schema:image <$image_url_esc> . \n";
-	}
+    // Add SPARQL stmts to write the schema:image.
+    $image_urls = wl_get_image_urls( $post_id );
+    foreach ( $image_urls as $image_url ) {
+        $image_url_esc = wl_sparql_escape_uri( $image_url );
+        $sparql .= " <$uri_e> schema:image <$image_url_esc> . \n";
+    }
 
-	return $sparql;
+    return $sparql;
 }
 
 /**
@@ -382,24 +382,24 @@ 
  */
 function wl_get_attachment_for_source_url( $parent_post_id, $source_url ) {
 
-	// wl_write_log( "wl_get_attachment_for_source_url [ parent post id :: $parent_post_id ][ source url :: $source_url ]" );
+    // wl_write_log( "wl_get_attachment_for_source_url [ parent post id :: $parent_post_id ][ source url :: $source_url ]" );
 
-	$posts = get_posts( array(
-		'post_type'      => 'attachment',
-		'posts_per_page' => 1,
-		'post_status'    => 'any',
-		'post_parent'    => $parent_post_id,
-		'meta_key'       => 'wl_source_url',
-		'meta_value'     => $source_url
-	) );
+    $posts = get_posts( array(
+        'post_type'      => 'attachment',
+        'posts_per_page' => 1,
+        'post_status'    => 'any',
+        'post_parent'    => $parent_post_id,
+        'meta_key'       => 'wl_source_url',
+        'meta_value'     => $source_url
+    ) );
 
-	// Return the found post.
-	if ( 1 === count( $posts ) ) {
-		return $posts[0];
-	}
+    // Return the found post.
+    if ( 1 === count( $posts ) ) {
+        return $posts[0];
+    }
 
-	// Return null.
-	return NULL;
+    // Return null.
+    return NULL;
 }
 
 /**
@@ -410,8 +410,8 @@ 
  */
 function wl_set_source_url( $post_id, $source_url ) {
 
-	delete_post_meta( $post_id, 'wl_source_url' );
-	add_post_meta( $post_id, 'wl_source_url', $source_url );
+    delete_post_meta( $post_id, 'wl_source_url' );
+    add_post_meta( $post_id, 'wl_source_url', $source_url );
 }
 
 
@@ -429,59 +429,59 @@ 
  */
 function wl_flush_rewrite_rules_hard( $hard ) {
 
-	// If WL is not yet configured, we cannot perform any update, so we exit.
-	if ( '' === wl_configuration_get_key() ) {
-		return;
-	}
+    // If WL is not yet configured, we cannot perform any update, so we exit.
+    if ( '' === wl_configuration_get_key() ) {
+        return;
+    }
 
-	// Set the initial offset and limit each call to 100 posts to avoid memory errors.
-	$offset = 0;
-	$limit  = 100;
+    // Set the initial offset and limit each call to 100 posts to avoid memory errors.
+    $offset = 0;
+    $limit  = 100;
 
-	// Get more posts if the number of returned posts matches the limit.
-	while ( $limit === ( $posts = get_posts( array(
-			'offset'      => $offset,
-			'numberposts' => $limit,
-			'orderby'     => 'ID',
-			'post_type'   => 'any',
-			'post_status' => 'publish'
-		) ) ) ) {
+    // Get more posts if the number of returned posts matches the limit.
+    while ( $limit === ( $posts = get_posts( array(
+            'offset'      => $offset,
+            'numberposts' => $limit,
+            'orderby'     => 'ID',
+            'post_type'   => 'any',
+            'post_status' => 'publish'
+        ) ) ) ) {
 
-		// Holds the delete part of the query.
-		$delete_query = rl_sparql_prefixes();
+        // Holds the delete part of the query.
+        $delete_query = rl_sparql_prefixes();
 
-		// Holds the insert part of the query.
-		$insert_query = 'INSERT DATA { ';
+        // Holds the insert part of the query.
+        $insert_query = 'INSERT DATA { ';
 
-		// Cycle in each post to build the query.
-		foreach ( $posts as $post ) {
+        // Cycle in each post to build the query.
+        foreach ( $posts as $post ) {
 
-			// Ignore revisions.
-			if ( wp_is_post_revision( $post->ID ) ) {
-				continue;
-			}
+            // Ignore revisions.
+            if ( wp_is_post_revision( $post->ID ) ) {
+                continue;
+            }
 
-			// Get the entity URI.
-			$uri = wl_sparql_escape_uri( wl_get_entity_uri( $post->ID ) );
+            // Get the entity URI.
+            $uri = wl_sparql_escape_uri( wl_get_entity_uri( $post->ID ) );
 
-			// Get the post URL.
-			$url = wl_sparql_escape_uri( get_permalink( $post->ID ) );
+            // Get the post URL.
+            $url = wl_sparql_escape_uri( get_permalink( $post->ID ) );
 
-			// Prepare the DELETE and INSERT commands.
-			$delete_query .= "DELETE { <$uri> schema:url ?u . } WHERE  { <$uri> schema:url ?u . };\n";
-			$insert_query .= " <$uri> schema:url <$url> . \n";
+            // Prepare the DELETE and INSERT commands.
+            $delete_query .= "DELETE { <$uri> schema:url ?u . } WHERE  { <$uri> schema:url ?u . };\n";
+            $insert_query .= " <$uri> schema:url <$url> . \n";
 
-		}
+        }
 
-		$insert_query .= ' };';
+        $insert_query .= ' };';
 
-		// Execute the query.
-		rl_execute_sparql_update_query( $delete_query . $insert_query );
+        // Execute the query.
+        rl_execute_sparql_update_query( $delete_query . $insert_query );
 
-		// Advance to the next posts.
-		$offset += $limit;
+        // Advance to the next posts.
+        $offset += $limit;
 
-	}
+    }
 
 //	// Get all published posts.
 //	$posts = get_posts( array(
@@ -506,15 +506,15 @@ 
  */
 function wl_sanitize_uri_path( $path, $char = '_' ) {
 
-	// wl_write_log( "wl_sanitize_uri_path [ path :: $path ][ char :: $char ]" );
+    // wl_write_log( "wl_sanitize_uri_path [ path :: $path ][ char :: $char ]" );
 
-	// According to RFC2396 (http://www.ietf.org/rfc/rfc2396.txt) these characters are reserved:
-	// ";" | "/" | "?" | ":" | "@" | "&" | "=" | "+" |
-	// "$" | ","
-	// Plus the ' ' (space).
-	// TODO: We shall use the same regex used by MediaWiki (http://stackoverflow.com/questions/23114983/mediawiki-wikipedia-url-sanitization-regex)
+    // According to RFC2396 (http://www.ietf.org/rfc/rfc2396.txt) these characters are reserved:
+    // ";" | "/" | "?" | ":" | "@" | "&" | "=" | "+" |
+    // "$" | ","
+    // Plus the ' ' (space).
+    // TODO: We shall use the same regex used by MediaWiki (http://stackoverflow.com/questions/23114983/mediawiki-wikipedia-url-sanitization-regex)
 
-	return sanitize_title( preg_replace( '/[;\/?:@&=+$,\s]/', $char, stripslashes( $path ) ) );
+    return sanitize_title( preg_replace( '/[;\/?:@&=+$,\s]/', $char, stripslashes( $path ) ) );
 }
 
 /**
@@ -526,11 +526,11 @@ 
  */
 function wl_force_to_array( $value ) {
 
-	if ( ! is_array( $value ) ) {
-		return array( $value );
-	}
+    if ( ! is_array( $value ) ) {
+        return array( $value );
+    }
 
-	return $value;
+    return $value;
 }
 
 /**
@@ -538,26 +538,26 @@ 
  */
 function wl_shutdown() {
 
-	// Get the filename to the temporary SPARQL file.
-	$filename = WL_TEMP_DIR . WL_REQUEST_ID . '.sparql';
+    // Get the filename to the temporary SPARQL file.
+    $filename = WL_TEMP_DIR . WL_REQUEST_ID . '.sparql';
 
-	// If WordLift is buffering SPARQL queries, we're admins and a buffer exists, then schedule it.
-	if ( WL_ENABLE_SPARQL_UPDATE_QUERIES_BUFFERING && is_admin() && file_exists( $filename ) ) {
+    // If WordLift is buffering SPARQL queries, we're admins and a buffer exists, then schedule it.
+    if ( WL_ENABLE_SPARQL_UPDATE_QUERIES_BUFFERING && is_admin() && file_exists( $filename ) ) {
 
-		// The request ID.
-		$args = array( WL_REQUEST_ID );
+        // The request ID.
+        $args = array( WL_REQUEST_ID );
 
-		// Schedule the execution of the SPARQL query with the request ID.
-		wp_schedule_single_event( time(), 'wl_execute_saved_sparql_update_query', $args );
+        // Schedule the execution of the SPARQL query with the request ID.
+        wp_schedule_single_event( time(), 'wl_execute_saved_sparql_update_query', $args );
 
-		// Check that the request is scheduled.
-		$timestamp = wp_next_scheduled( 'wl_execute_saved_sparql_update_query', $args );
+        // Check that the request is scheduled.
+        $timestamp = wp_next_scheduled( 'wl_execute_saved_sparql_update_query', $args );
 
-		// Spawn the cron.
-		spawn_cron();
+        // Spawn the cron.
+        spawn_cron();
 
-		wl_write_log( "wl_shutdown [ request id :: " . WL_REQUEST_ID . " ][ timestamp :: $timestamp ]" );
-	}
+        wl_write_log( "wl_shutdown [ request id :: " . WL_REQUEST_ID . " ][ timestamp :: $timestamp ]" );
+    }
 }
 
 add_action( 'shutdown', 'wl_shutdown' );
@@ -571,46 +571,46 @@ 
  */
 function wl_replace_item_id_with_uri( $content ) {
 
-	// wl_write_log( "wl_replace_item_id_with_uri" );
+    // wl_write_log( "wl_replace_item_id_with_uri" );
 
-	// Strip slashes, see https://core.trac.wordpress.org/ticket/21767
-	$content = stripslashes( $content );
+    // Strip slashes, see https://core.trac.wordpress.org/ticket/21767
+    $content = stripslashes( $content );
 
-	// If any match are found.
-	$matches = array();
-	if ( 0 < preg_match_all( '/ itemid="([^"]+)"/i', $content, $matches, PREG_SET_ORDER ) ) {
+    // If any match are found.
+    $matches = array();
+    if ( 0 < preg_match_all( '/ itemid="([^"]+)"/i', $content, $matches, PREG_SET_ORDER ) ) {
 
-		foreach ( $matches as $match ) {
+        foreach ( $matches as $match ) {
 
-			// Get the item ID.
-			$item_id = $match[1];
+            // Get the item ID.
+            $item_id = $match[1];
 
-			// Get the post bound to that item ID (looking both in the 'official' URI and in the 'same-as' .
-			$post = Wordlift_Entity_Service::get_instance()
-			                               ->get_entity_post_by_uri( $item_id );
+            // Get the post bound to that item ID (looking both in the 'official' URI and in the 'same-as' .
+            $post = Wordlift_Entity_Service::get_instance()
+                                            ->get_entity_post_by_uri( $item_id );
 
-			// If no entity is found, continue to the next one.
-			if ( NULL === $post ) {
-				continue;
-			}
+            // If no entity is found, continue to the next one.
+            if ( NULL === $post ) {
+                continue;
+            }
 
-			// Get the URI for that post.
-			$uri = wl_get_entity_uri( $post->ID );
+            // Get the URI for that post.
+            $uri = wl_get_entity_uri( $post->ID );
 
-			// wl_write_log( "wl_replace_item_id_with_uri [ item id :: $item_id ][ uri :: $uri ]" );
+            // wl_write_log( "wl_replace_item_id_with_uri [ item id :: $item_id ][ uri :: $uri ]" );
 
-			// If the item ID and the URI differ, replace the item ID with the URI saved in WordPress.
-			if ( $item_id !== $uri ) {
-				$uri_e   = esc_html( $uri );
-				$content = str_replace( " itemid=\"$item_id\"", " itemid=\"$uri_e\"", $content );
-			}
-		}
-	}
+            // If the item ID and the URI differ, replace the item ID with the URI saved in WordPress.
+            if ( $item_id !== $uri ) {
+                $uri_e   = esc_html( $uri );
+                $content = str_replace( " itemid=\"$item_id\"", " itemid=\"$uri_e\"", $content );
+            }
+        }
+    }
 
-	// Reapply slashes.
-	$content = addslashes( $content );
+    // Reapply slashes.
+    $content = addslashes( $content );
 
-	return $content;
+    return $content;
 }
 
 add_filter( 'content_save_pre', 'wl_replace_item_id_with_uri', 1, 1 );
@@ -688,8 +688,8 @@ 
  * This action is documented in includes/class-wordlift-activator.php
  */
 function activate_wordlift() {
-	require_once plugin_dir_path( __FILE__ ) . 'includes/class-wordlift-activator.php';
-	Wordlift_Activator::activate();
+    require_once plugin_dir_path( __FILE__ ) . 'includes/class-wordlift-activator.php';
+    Wordlift_Activator::activate();
 }
 
 /**
@@ -697,8 +697,8 @@ 
  * This action is documented in includes/class-wordlift-deactivator.php
  */
 function deactivate_wordlift() {
-	require_once plugin_dir_path( __FILE__ ) . 'includes/class-wordlift-deactivator.php';
-	Wordlift_Deactivator::deactivate();
+    require_once plugin_dir_path( __FILE__ ) . 'includes/class-wordlift-deactivator.php';
+    Wordlift_Deactivator::deactivate();
 }
 
 register_activation_hook( __FILE__, 'activate_wordlift' );
@@ -721,8 +721,8 @@ 
  */
 function run_wordlift() {
 
-	$plugin = new Wordlift();
-	$plugin->run();
+    $plugin = new Wordlift();
+    $plugin->run();
 
 }
 

Spacing +162 added lines, -162 removed lines

@@ -25,16 +25,16 @@ 
  */
 
 // If this file is called directly, abort.
-if ( ! defined( 'WPINC' ) ) {
+if ( ! defined('WPINC')) {
 	die;
 }
 
 // Include WordLift constants.
-require_once( 'wordlift_constants.php' );
+require_once('wordlift_constants.php');
 
 // Load modules
-require_once( 'modules/core/wordlift_core.php' );
-require_once( 'modules/configuration/wordlift_configuration.php' );
+require_once('modules/core/wordlift_core.php');
+require_once('modules/configuration/wordlift_configuration.php');
 
 /**
  * Log to the debug.log file.
@@ -45,20 +45,20 @@ 
  *
  * @param string|mixed $log The log data.
  */
-function wl_write_log( $log ) {
+function wl_write_log($log) {
 
-	$handler = apply_filters( 'wl_write_log_handler', NULL );
+	$handler = apply_filters('wl_write_log_handler', NULL);
 
 	$callers         = debug_backtrace();
 	$caller_function = $callers[1]['function'];
 
-	if ( is_null( $handler ) ) {
-		wl_write_log_handler( $log, $caller_function );
+	if (is_null($handler)) {
+		wl_write_log_handler($log, $caller_function);
 
 		return;
 	}
 
-	call_user_func( $handler, $log, $caller_function );
+	call_user_func($handler, $log, $caller_function);
 }
 
 /**
@@ -69,19 +69,19 @@ 
  * @param string|array $log The log data.
  * @param string $caller The calling function.
  */
-function wl_write_log_handler( $log, $caller = NULL ) {
+function wl_write_log_handler($log, $caller = NULL) {
 
 	global $wl_logger;
 
-	if ( TRUE === WP_DEBUG ) {
+	if (TRUE === WP_DEBUG) {
 
-		$message = ( isset( $caller ) ? sprintf( '[%-40.40s] ', $caller ) : '' ) .
-		           ( is_array( $log ) || is_object( $log ) ? print_r( $log, TRUE ) : wl_write_log_hide_key( $log ) );
+		$message = (isset($caller) ? sprintf('[%-40.40s] ', $caller) : '').
+		           (is_array($log) || is_object($log) ? print_r($log, TRUE) : wl_write_log_hide_key($log));
 
-		if ( isset( $wl_logger ) ) {
-			$wl_logger->info( $message );
+		if (isset($wl_logger)) {
+			$wl_logger->info($message);
 		} else {
-			error_log( $message );
+			error_log($message);
 		}
 
 	}
@@ -97,9 +97,9 @@ 
  *
  * @return string A text with the key hidden.
  */
-function wl_write_log_hide_key( $text ) {
+function wl_write_log_hide_key($text) {
 
-	return str_ireplace( wl_configuration_get_key(), '<hidden>', $text );
+	return str_ireplace(wl_configuration_get_key(), '<hidden>', $text);
 }
 
 /**
@@ -109,12 +109,12 @@ 
  *
  * @param string $query A SPARQL query.
  */
-function wl_queue_sparql_update_query( $query ) {
+function wl_queue_sparql_update_query($query) {
 
-	$filename = WL_TEMP_DIR . WL_REQUEST_ID . '.sparql';
-	file_put_contents( $filename, $query . "\n", FILE_APPEND );
+	$filename = WL_TEMP_DIR.WL_REQUEST_ID.'.sparql';
+	file_put_contents($filename, $query."\n", FILE_APPEND);
 
-	wl_write_log( "wl_queue_sparql_update_query [ filename :: $filename ]" );
+	wl_write_log("wl_queue_sparql_update_query [ filename :: $filename ]");
 }
 
 /**
@@ -122,33 +122,33 @@ 
  *
  * @param int $request_id The request ID.
  */
-function wl_execute_saved_sparql_update_query( $request_id ) {
+function wl_execute_saved_sparql_update_query($request_id) {
 
-	$filename = WL_TEMP_DIR . $request_id . '.sparql';
+	$filename = WL_TEMP_DIR.$request_id.'.sparql';
 
 	// If the file doesn't exist, exit.
-	if ( ! file_exists( $filename ) ) {
-		wl_write_log( "wl_execute_saved_sparql_update_query : file doesn't exist [ filename :: $filename ]" );
+	if ( ! file_exists($filename)) {
+		wl_write_log("wl_execute_saved_sparql_update_query : file doesn't exist [ filename :: $filename ]");
 
 		return;
 	}
 
-	wl_write_log( "wl_execute_saved_sparql_update_query [ filename :: $filename ]" );
+	wl_write_log("wl_execute_saved_sparql_update_query [ filename :: $filename ]");
 
 	// Get the query saved in the file.
-	$query = file_get_contents( $filename );
+	$query = file_get_contents($filename);
 
 	// Execute the SPARQL query.
-	rl_execute_sparql_update_query( $query, FALSE );
+	rl_execute_sparql_update_query($query, FALSE);
 
 	// Reindex the triple store.
 	wordlift_reindex_triple_store();
 
 	// Delete the temporary file.
-	unlink( $filename );
+	unlink($filename);
 }
 
-add_action( 'wl_execute_saved_sparql_update_query', 'wl_execute_saved_sparql_update_query', 10, 1 );
+add_action('wl_execute_saved_sparql_update_query', 'wl_execute_saved_sparql_update_query', 10, 1);
 
 /**
  * Add buttons hook for the TinyMCE editor. This method is called by the WP init hook.
@@ -156,8 +156,8 @@ 
 function wordlift_buttonhooks() {
 
 	// Only add hooks when the current user has permissions AND is in Rich Text editor mode
-	if ( ( current_user_can( 'edit_posts' ) || current_user_can( 'edit_pages' ) ) && get_user_option( 'rich_editing' ) ) {
-		add_filter( 'mce_external_plugins', 'wordlift_register_tinymce_javascript' );
+	if ((current_user_can('edit_posts') || current_user_can('edit_pages')) && get_user_option('rich_editing')) {
+		add_filter('mce_external_plugins', 'wordlift_register_tinymce_javascript');
 	}
 }
 
@@ -168,10 +168,10 @@ 
  *
  * @return array The modified plugins array.
  */
-function wordlift_register_tinymce_javascript( $plugin_array ) {
+function wordlift_register_tinymce_javascript($plugin_array) {
 
 	// add the wordlift plugin.
-	$plugin_array['wordlift'] = plugin_dir_url( __FILE__ ) . 'js/wordlift-reloaded.js';
+	$plugin_array['wordlift'] = plugin_dir_url(__FILE__).'js/wordlift-reloaded.js';
 
 	return $plugin_array;
 }
@@ -183,7 +183,7 @@ 
 function wordlift_allowed_post_tags() {
 	global $allowedposttags;
 
-	$tags           = array( 'span' );
+	$tags           = array('span');
 	$new_attributes = array(
 		'itemscope' => array(),
 		'itemtype'  => array(),
@@ -191,17 +191,17 @@ 
 		'itemid'    => array()
 	);
 
-	foreach ( $tags as $tag ) {
-		if ( isset( $allowedposttags[ $tag ] ) && is_array( $allowedposttags[ $tag ] ) ) {
-			$allowedposttags[ $tag ] = array_merge( $allowedposttags[ $tag ], $new_attributes );
+	foreach ($tags as $tag) {
+		if (isset($allowedposttags[$tag]) && is_array($allowedposttags[$tag])) {
+			$allowedposttags[$tag] = array_merge($allowedposttags[$tag], $new_attributes);
 		}
 	}
 }
 
 // init process for button control
-add_action( 'init', 'wordlift_buttonhooks' );
+add_action('init', 'wordlift_buttonhooks');
 // add allowed post tags.
-add_action( 'init', 'wordlift_allowed_post_tags' );
+add_action('init', 'wordlift_allowed_post_tags');
 
 
 /**
@@ -210,30 +210,30 @@ 
 function wordlift_admin_enqueue_scripts() {
 
 	// Added for compatibility with WordPress 3.9 (see http://make.wordpress.org/core/2014/04/16/jquery-ui-and-wpdialogs-in-wordpress-3-9/)
-	wp_enqueue_script( 'wpdialogs' );
-	wp_enqueue_style( 'wp-jquery-ui-dialog' );
+	wp_enqueue_script('wpdialogs');
+	wp_enqueue_style('wp-jquery-ui-dialog');
 
-	wp_enqueue_style( 'wordlift-reloaded', plugin_dir_url( __FILE__ ) . 'css/wordlift-reloaded.min.css' );
+	wp_enqueue_style('wordlift-reloaded', plugin_dir_url(__FILE__).'css/wordlift-reloaded.min.css');
 
-	wp_enqueue_script( 'jquery-ui-autocomplete' );
-	wp_enqueue_script( 'angularjs', 'https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.3.11/angular.min.js' );
-	wp_enqueue_script( 'angularjs-geolocation', plugin_dir_url( __FILE__ ) . '/bower_components/angularjs-geolocation/dist/angularjs-geolocation.min.js' );
-	wp_enqueue_script( 'angularjs-touch', 'https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.3.11/angular-touch.min.js' );
-	wp_enqueue_script( 'angularjs-animate', 'https://code.angularjs.org/1.3.11/angular-animate.min.js' );
+	wp_enqueue_script('jquery-ui-autocomplete');
+	wp_enqueue_script('angularjs', 'https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.3.11/angular.min.js');
+	wp_enqueue_script('angularjs-geolocation', plugin_dir_url(__FILE__).'/bower_components/angularjs-geolocation/dist/angularjs-geolocation.min.js');
+	wp_enqueue_script('angularjs-touch', 'https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.3.11/angular-touch.min.js');
+	wp_enqueue_script('angularjs-animate', 'https://code.angularjs.org/1.3.11/angular-animate.min.js');
 
 	// Disable auto-save for custom entity posts only
-	if ( Wordlift_Entity_Service::TYPE_NAME === get_post_type() ) {
-		wp_dequeue_script( 'autosave' );
+	if (Wordlift_Entity_Service::TYPE_NAME === get_post_type()) {
+		wp_dequeue_script('autosave');
 	}
 }
 
-add_action( 'admin_enqueue_scripts', 'wordlift_admin_enqueue_scripts' );
+add_action('admin_enqueue_scripts', 'wordlift_admin_enqueue_scripts');
 
 function wl_enqueue_scripts() {
-	wp_enqueue_style( 'wordlift-ui', plugin_dir_url( __FILE__ ) . 'css/wordlift-ui.min.css' );
+	wp_enqueue_style('wordlift-ui', plugin_dir_url(__FILE__).'css/wordlift-ui.min.css');
 }
 
-add_action( 'wp_enqueue_scripts', 'wl_enqueue_scripts' );
+add_action('wp_enqueue_scripts', 'wl_enqueue_scripts');
 
 /**
  * Hooked to *wp_kses_allowed_html* filter, adds microdata attributes.
@@ -243,23 +243,23 @@ 
  *
  * @return array An array which contains allowed microdata attributes.
  */
-function wordlift_allowed_html( $allowedtags, $context ) {
+function wordlift_allowed_html($allowedtags, $context) {
 
-	if ( 'post' !== $context ) {
+	if ('post' !== $context) {
 		return $allowedtags;
 	}
 
-	return array_merge_recursive( $allowedtags, array(
+	return array_merge_recursive($allowedtags, array(
 		'span' => array(
 			'itemscope' => TRUE,
 			'itemtype'  => TRUE,
 			'itemid'    => TRUE,
 			'itemprop'  => TRUE
 		)
-	) );
+	));
 }
 
-add_filter( 'wp_kses_allowed_html', 'wordlift_allowed_html', 10, 2 );
+add_filter('wp_kses_allowed_html', 'wordlift_allowed_html', 10, 2);
 
 /**
  * Get the coordinates for the specified post ID.
@@ -268,16 +268,16 @@ 
  *
  * @return array|null An array of coordinates or null.
  */
-function wl_get_coordinates( $post_id ) {
+function wl_get_coordinates($post_id) {
 
-	$latitude  = wl_schema_get_value( $post_id, 'latitude' );
-	$longitude = wl_schema_get_value( $post_id, 'longitude' );
+	$latitude  = wl_schema_get_value($post_id, 'latitude');
+	$longitude = wl_schema_get_value($post_id, 'longitude');
 
 	// DO NOT set latitude/longitude to 0/0 as default values. It's a specific place on the globe:
 	// "The zero/zero point of this system is located in the Gulf of Guinea about 625 km (390 mi) south of Tema, Ghana."
 	return array(
-		'latitude'  => isset( $latitude[0] ) && is_numeric( $latitude[0] ) ? $latitude[0] : '',
-		'longitude' => isset( $longitude[0] ) && is_numeric( $longitude[0] ) ? $longitude[0] : ''
+		'latitude'  => isset($latitude[0]) && is_numeric($latitude[0]) ? $latitude[0] : '',
+		'longitude' => isset($longitude[0]) && is_numeric($longitude[0]) ? $longitude[0] : ''
 	);
 }
 
@@ -288,12 +288,12 @@ 
  *
  * @return string A datetime.
  */
-function wl_get_post_modified_time( $post ) {
+function wl_get_post_modified_time($post) {
 
-	$date_modified = get_post_modified_time( 'c', TRUE, $post );
+	$date_modified = get_post_modified_time('c', TRUE, $post);
 
-	if ( '-' === substr( $date_modified, 0, 1 ) ) {
-		return get_the_time( 'c', $post );
+	if ('-' === substr($date_modified, 0, 1)) {
+		return get_the_time('c', $post);
 	}
 
 	return $date_modified;
@@ -306,27 +306,27 @@ 
  *
  * @return array An array of image URLs.
  */
-function wl_get_image_urls( $post_id ) {
+function wl_get_image_urls($post_id) {
 
 
 	// If there is a featured image it has the priority
-	$featured_image_id = get_post_thumbnail_id( $post_id );
-	if ( is_numeric( $featured_image_id ) ) {
-		$image_url = wp_get_attachment_url( $featured_image_id );
+	$featured_image_id = get_post_thumbnail_id($post_id);
+	if (is_numeric($featured_image_id)) {
+		$image_url = wp_get_attachment_url($featured_image_id);
 
-		return array( $image_url );
+		return array($image_url);
 	}
 
 	// wl_write_log( "wl_get_image_urls [ post id :: $post_id ]" );
 
-	$images = get_children( array(
+	$images = get_children(array(
 		'post_parent'    => $post_id,
 		'post_type'      => 'attachment',
 		'post_mime_type' => 'image'
-	) );
+	));
 
 	// Return an empty array if no image is found.
-	if ( empty( $images ) ) {
+	if (empty($images)) {
 		return array();
 	}
 
@@ -334,11 +334,11 @@ 
 	$image_urls = array();
 
 	// Collect the URLs.
-	foreach ( $images as $attachment_id => $attachment ) {
-		$image_url = wp_get_attachment_url( $attachment_id );
+	foreach ($images as $attachment_id => $attachment) {
+		$image_url = wp_get_attachment_url($attachment_id);
 		// Ensure the URL isn't collected already.
-		if ( ! in_array( $image_url, $image_urls ) ) {
-			array_push( $image_urls, $image_url );
+		if ( ! in_array($image_url, $image_urls)) {
+			array_push($image_urls, $image_url);
 		}
 	}
 
@@ -355,17 +355,17 @@ 
  *
  * @return string The SPARQL fragment.
  */
-function wl_get_sparql_images( $uri, $post_id ) {
+function wl_get_sparql_images($uri, $post_id) {
 
 	$sparql = '';
 
 	// Get the escaped URI.
-	$uri_e = esc_html( $uri );
+	$uri_e = esc_html($uri);
 
 	// Add SPARQL stmts to write the schema:image.
-	$image_urls = wl_get_image_urls( $post_id );
-	foreach ( $image_urls as $image_url ) {
-		$image_url_esc = wl_sparql_escape_uri( $image_url );
+	$image_urls = wl_get_image_urls($post_id);
+	foreach ($image_urls as $image_url) {
+		$image_url_esc = wl_sparql_escape_uri($image_url);
 		$sparql .= " <$uri_e> schema:image <$image_url_esc> . \n";
 	}
 
@@ -380,21 +380,21 @@ 
  *
  * @return WP_Post|null A post instance or null if not found.
  */
-function wl_get_attachment_for_source_url( $parent_post_id, $source_url ) {
+function wl_get_attachment_for_source_url($parent_post_id, $source_url) {
 
 	// wl_write_log( "wl_get_attachment_for_source_url [ parent post id :: $parent_post_id ][ source url :: $source_url ]" );
 
-	$posts = get_posts( array(
+	$posts = get_posts(array(
 		'post_type'      => 'attachment',
 		'posts_per_page' => 1,
 		'post_status'    => 'any',
 		'post_parent'    => $parent_post_id,
 		'meta_key'       => 'wl_source_url',
 		'meta_value'     => $source_url
-	) );
+	));
 
 	// Return the found post.
-	if ( 1 === count( $posts ) ) {
+	if (1 === count($posts)) {
 		return $posts[0];
 	}
 
@@ -408,10 +408,10 @@ 
  * @param int $post_id The post ID.
  * @param string $source_url The source URL.
  */
-function wl_set_source_url( $post_id, $source_url ) {
+function wl_set_source_url($post_id, $source_url) {
 
-	delete_post_meta( $post_id, 'wl_source_url' );
-	add_post_meta( $post_id, 'wl_source_url', $source_url );
+	delete_post_meta($post_id, 'wl_source_url');
+	add_post_meta($post_id, 'wl_source_url', $source_url);
 }
 
 
@@ -427,10 +427,10 @@ 
  *
  * @param bool $hard True if the rewrite involves configuration updates in Apache/IIS.
  */
-function wl_flush_rewrite_rules_hard( $hard ) {
+function wl_flush_rewrite_rules_hard($hard) {
 
 	// If WL is not yet configured, we cannot perform any update, so we exit.
-	if ( '' === wl_configuration_get_key() ) {
+	if ('' === wl_configuration_get_key()) {
 		return;
 	}
 
@@ -439,13 +439,13 @@ 
 	$limit  = 100;
 
 	// Get more posts if the number of returned posts matches the limit.
-	while ( $limit === ( $posts = get_posts( array(
+	while ($limit === ($posts = get_posts(array(
 			'offset'      => $offset,
 			'numberposts' => $limit,
 			'orderby'     => 'ID',
 			'post_type'   => 'any',
 			'post_status' => 'publish'
-		) ) ) ) {
+		)))) {
 
 		// Holds the delete part of the query.
 		$delete_query = rl_sparql_prefixes();
@@ -454,18 +454,18 @@ 
 		$insert_query = 'INSERT DATA { ';
 
 		// Cycle in each post to build the query.
-		foreach ( $posts as $post ) {
+		foreach ($posts as $post) {
 
 			// Ignore revisions.
-			if ( wp_is_post_revision( $post->ID ) ) {
+			if (wp_is_post_revision($post->ID)) {
 				continue;
 			}
 
 			// Get the entity URI.
-			$uri = wl_sparql_escape_uri( wl_get_entity_uri( $post->ID ) );
+			$uri = wl_sparql_escape_uri(wl_get_entity_uri($post->ID));
 
 			// Get the post URL.
-			$url = wl_sparql_escape_uri( get_permalink( $post->ID ) );
+			$url = wl_sparql_escape_uri(get_permalink($post->ID));
 
 			// Prepare the DELETE and INSERT commands.
 			$delete_query .= "DELETE { <$uri> schema:url ?u . } WHERE  { <$uri> schema:url ?u . };\n";
@@ -476,7 +476,7 @@ 
 		$insert_query .= ' };';
 
 		// Execute the query.
-		rl_execute_sparql_update_query( $delete_query . $insert_query );
+		rl_execute_sparql_update_query($delete_query.$insert_query);
 
 		// Advance to the next posts.
 		$offset += $limit;
@@ -492,7 +492,7 @@ 
 
 }
 
-add_filter( 'flush_rewrite_rules_hard', 'wl_flush_rewrite_rules_hard', 10, 1 );
+add_filter('flush_rewrite_rules_hard', 'wl_flush_rewrite_rules_hard', 10, 1);
 
 /**
  * Sanitizes an URI path by replacing the non allowed characters with an underscore.
@@ -504,7 +504,7 @@ 
  *
  * @return The sanitized path.
  */
-function wl_sanitize_uri_path( $path, $char = '_' ) {
+function wl_sanitize_uri_path($path, $char = '_') {
 
 	// wl_write_log( "wl_sanitize_uri_path [ path :: $path ][ char :: $char ]" );
 
@@ -514,7 +514,7 @@ 
 	// Plus the ' ' (space).
 	// TODO: We shall use the same regex used by MediaWiki (http://stackoverflow.com/questions/23114983/mediawiki-wikipedia-url-sanitization-regex)
 
-	return sanitize_title( preg_replace( '/[;\/?:@&=+$,\s]/', $char, stripslashes( $path ) ) );
+	return sanitize_title(preg_replace('/[;\/?:@&=+$,\s]/', $char, stripslashes($path)));
 }
 
 /**
@@ -524,10 +524,10 @@ 
  *
  * @return array Array containing $value (if $value was not an array)
  */
-function wl_force_to_array( $value ) {
+function wl_force_to_array($value) {
 
-	if ( ! is_array( $value ) ) {
-		return array( $value );
+	if ( ! is_array($value)) {
+		return array($value);
 	}
 
 	return $value;
@@ -539,28 +539,28 @@ 
 function wl_shutdown() {
 
 	// Get the filename to the temporary SPARQL file.
-	$filename = WL_TEMP_DIR . WL_REQUEST_ID . '.sparql';
+	$filename = WL_TEMP_DIR.WL_REQUEST_ID.'.sparql';
 
 	// If WordLift is buffering SPARQL queries, we're admins and a buffer exists, then schedule it.
-	if ( WL_ENABLE_SPARQL_UPDATE_QUERIES_BUFFERING && is_admin() && file_exists( $filename ) ) {
+	if (WL_ENABLE_SPARQL_UPDATE_QUERIES_BUFFERING && is_admin() && file_exists($filename)) {
 
 		// The request ID.
-		$args = array( WL_REQUEST_ID );
+		$args = array(WL_REQUEST_ID);
 
 		// Schedule the execution of the SPARQL query with the request ID.
-		wp_schedule_single_event( time(), 'wl_execute_saved_sparql_update_query', $args );
+		wp_schedule_single_event(time(), 'wl_execute_saved_sparql_update_query', $args);
 
 		// Check that the request is scheduled.
-		$timestamp = wp_next_scheduled( 'wl_execute_saved_sparql_update_query', $args );
+		$timestamp = wp_next_scheduled('wl_execute_saved_sparql_update_query', $args);
 
 		// Spawn the cron.
 		spawn_cron();
 
-		wl_write_log( "wl_shutdown [ request id :: " . WL_REQUEST_ID . " ][ timestamp :: $timestamp ]" );
+		wl_write_log("wl_shutdown [ request id :: ".WL_REQUEST_ID." ][ timestamp :: $timestamp ]");
 	}
 }
 
-add_action( 'shutdown', 'wl_shutdown' );
+add_action('shutdown', 'wl_shutdown');
 
 /**
  * Replaces the *itemid* attributes URIs with the WordLift URIs.
@@ -569,118 +569,118 @@ 
  *
  * @return string The updated post content.
  */
-function wl_replace_item_id_with_uri( $content ) {
+function wl_replace_item_id_with_uri($content) {
 
 	// wl_write_log( "wl_replace_item_id_with_uri" );
 
 	// Strip slashes, see https://core.trac.wordpress.org/ticket/21767
-	$content = stripslashes( $content );
+	$content = stripslashes($content);
 
 	// If any match are found.
 	$matches = array();
-	if ( 0 < preg_match_all( '/ itemid="([^"]+)"/i', $content, $matches, PREG_SET_ORDER ) ) {
+	if (0 < preg_match_all('/ itemid="([^"]+)"/i', $content, $matches, PREG_SET_ORDER)) {
 
-		foreach ( $matches as $match ) {
+		foreach ($matches as $match) {
 
 			// Get the item ID.
 			$item_id = $match[1];
 
 			// Get the post bound to that item ID (looking both in the 'official' URI and in the 'same-as' .
 			$post = Wordlift_Entity_Service::get_instance()
-			                               ->get_entity_post_by_uri( $item_id );
+			                               ->get_entity_post_by_uri($item_id);
 
 			// If no entity is found, continue to the next one.
-			if ( NULL === $post ) {
+			if (NULL === $post) {
 				continue;
 			}
 
 			// Get the URI for that post.
-			$uri = wl_get_entity_uri( $post->ID );
+			$uri = wl_get_entity_uri($post->ID);
 
 			// wl_write_log( "wl_replace_item_id_with_uri [ item id :: $item_id ][ uri :: $uri ]" );
 
 			// If the item ID and the URI differ, replace the item ID with the URI saved in WordPress.
-			if ( $item_id !== $uri ) {
-				$uri_e   = esc_html( $uri );
-				$content = str_replace( " itemid=\"$item_id\"", " itemid=\"$uri_e\"", $content );
+			if ($item_id !== $uri) {
+				$uri_e   = esc_html($uri);
+				$content = str_replace(" itemid=\"$item_id\"", " itemid=\"$uri_e\"", $content);
 			}
 		}
 	}
 
 	// Reapply slashes.
-	$content = addslashes( $content );
+	$content = addslashes($content);
 
 	return $content;
 }
 
-add_filter( 'content_save_pre', 'wl_replace_item_id_with_uri', 1, 1 );
+add_filter('content_save_pre', 'wl_replace_item_id_with_uri', 1, 1);
 
-require_once( 'wordlift_entity_functions.php' );
+require_once('wordlift_entity_functions.php');
 
 // add editor related methods.
-require_once( 'wordlift_editor.php' );
+require_once('wordlift_editor.php');
 
 // add the WordLift entity custom type.
-require_once( 'wordlift_entity_type.php' );
-require_once( 'wordlift_entity_type_taxonomy.php' );
+require_once('wordlift_entity_type.php');
+require_once('wordlift_entity_type_taxonomy.php');
 
 // filters the post content when saving posts.
-require_once( 'wordlift_content_filter.php' );
+require_once('wordlift_content_filter.php');
 // add callbacks on post save to notify data changes from wp to redlink triple store
-require_once( 'wordlift_to_redlink_data_push_callbacks.php' );
+require_once('wordlift_to_redlink_data_push_callbacks.php');
 
 // Load modules
-require_once( 'modules/analyzer/wordlift_analyzer.php' );
-require_once( 'modules/linked_data/wordlift_linked_data.php' );
-require_once( 'modules/prefixes/wordlift_prefixes.php' );
-require_once( 'modules/caching/wordlift_caching.php' );
-require_once( 'modules/redirector/wordlift_redirector.php' );
-require_once( 'modules/freebase_image_proxy/wordlift_freebase_image_proxy.php' );
+require_once('modules/analyzer/wordlift_analyzer.php');
+require_once('modules/linked_data/wordlift_linked_data.php');
+require_once('modules/prefixes/wordlift_prefixes.php');
+require_once('modules/caching/wordlift_caching.php');
+require_once('modules/redirector/wordlift_redirector.php');
+require_once('modules/freebase_image_proxy/wordlift_freebase_image_proxy.php');
 
 // Shortcodes
 
-require_once( 'modules/geo_widget/wordlift_geo_widget.php' );
-require_once( 'shortcodes/wordlift_shortcode_chord.php' );
-require_once( 'shortcodes/wordlift_shortcode_geomap.php' );
-require_once( 'shortcodes/wordlift_shortcode_field.php' );
-require_once( 'shortcodes/wordlift_shortcode_faceted_search.php' );
-require_once( 'shortcodes/wordlift_shortcode_navigator.php' );
+require_once('modules/geo_widget/wordlift_geo_widget.php');
+require_once('shortcodes/wordlift_shortcode_chord.php');
+require_once('shortcodes/wordlift_shortcode_geomap.php');
+require_once('shortcodes/wordlift_shortcode_field.php');
+require_once('shortcodes/wordlift_shortcode_faceted_search.php');
+require_once('shortcodes/wordlift_shortcode_navigator.php');
 
 // disable In-Depth Articles
 //require_once('wordlift_indepth_articles.php');
 
-require_once( 'widgets/wordlift_widget_geo.php' );
-require_once( 'widgets/wordlift_widget_chord.php' );
-require_once( 'widgets/wordlift_widget_timeline.php' );
+require_once('widgets/wordlift_widget_geo.php');
+require_once('widgets/wordlift_widget_chord.php');
+require_once('widgets/wordlift_widget_timeline.php');
 
-require_once( 'wordlift_sparql.php' );
-require_once( 'wordlift_redlink.php' );
+require_once('wordlift_sparql.php');
+require_once('wordlift_redlink.php');
 
 // Add admin functions.
 // TODO: find a way to make 'admin' UI tests work.
 //if ( is_admin() ) {
 
-require_once( 'admin/wordlift_admin.php' );
-require_once( 'admin/wordlift_admin_edit_post.php' );
-require_once( 'admin/wordlift_admin_save_post.php' );
+require_once('admin/wordlift_admin.php');
+require_once('admin/wordlift_admin_edit_post.php');
+require_once('admin/wordlift_admin_save_post.php');
 
 // add the entities meta box.
-require_once( 'admin/wordlift_admin_meta_box_entities.php' );
+require_once('admin/wordlift_admin_meta_box_entities.php');
 
 // add the entity creation AJAX.
-require_once( 'admin/wordlift_admin_ajax_related_posts.php' );
+require_once('admin/wordlift_admin_ajax_related_posts.php');
 
 // Load the wl_chord TinyMCE button and configuration dialog.
-require_once( 'admin/wordlift_admin_shortcodes.php' );
+require_once('admin/wordlift_admin_shortcodes.php');
 
 // Provide syncing features.
-require_once( 'admin/wordlift_admin_sync.php' );
+require_once('admin/wordlift_admin_sync.php');
 //}
 
 // load languages.
 // TODO: the following call gives for granted that the plugin is in the wordlift directory,
 //       we're currently doing this because wordlift is symbolic linked.
-load_plugin_textdomain( 'wordlift', FALSE, '/wordlift/languages' );
+load_plugin_textdomain('wordlift', FALSE, '/wordlift/languages');
 
 
 /**
@@ -688,7 +688,7 @@ 
  * This action is documented in includes/class-wordlift-activator.php
  */
 function activate_wordlift() {
-	require_once plugin_dir_path( __FILE__ ) . 'includes/class-wordlift-activator.php';
+	require_once plugin_dir_path(__FILE__).'includes/class-wordlift-activator.php';
 	Wordlift_Activator::activate();
 }
 
@@ -697,18 +697,18 @@ 
  * This action is documented in includes/class-wordlift-deactivator.php
  */
 function deactivate_wordlift() {
-	require_once plugin_dir_path( __FILE__ ) . 'includes/class-wordlift-deactivator.php';
+	require_once plugin_dir_path(__FILE__).'includes/class-wordlift-deactivator.php';
 	Wordlift_Deactivator::deactivate();
 }
 
-register_activation_hook( __FILE__, 'activate_wordlift' );
-register_deactivation_hook( __FILE__, 'deactivate_wordlift' );
+register_activation_hook(__FILE__, 'activate_wordlift');
+register_deactivation_hook(__FILE__, 'deactivate_wordlift');
 
 /**
  * The core plugin class that is used to define internationalization,
  * admin-specific hooks, and public-facing site hooks.
  */
-require plugin_dir_path( __FILE__ ) . 'includes/class-wordlift.php';
+require plugin_dir_path(__FILE__).'includes/class-wordlift.php';
 
 /**
  * Begins execution of the plugin.