diff -r c7c34916027a -r 177826044cd9 wp/wp-admin/includes/list-table.php
--- a/wp/wp-admin/includes/list-table.php	Mon Oct 14 18:06:33 2019 +0200
+++ b/wp/wp-admin/includes/list-table.php	Mon Oct 14 18:28:13 2019 +0200
@@ -8,7 +8,7 @@
  */
 
 /**
- * Fetch an instance of a WP_List_Table class.
+ * Fetches an instance of a WP_List_Table class.
  *
  * @access private
  * @since 3.1.0
@@ -16,39 +16,41 @@
  * @global string $hook_suffix
  *
  * @param string $class The type of the list table, which is the class name.
- * @param array $args Optional. Arguments to pass to the class. Accepts 'screen'.
- * @return object|bool Object on success, false if the class does not exist.
+ * @param array  $args  Optional. Arguments to pass to the class. Accepts 'screen'.
+ * @return WP_List_Table|bool List table object on success, false if the class does not exist.
  */
 function _get_list_table( $class, $args = array() ) {
 	$core_classes = array(
 		//Site Admin
-		'WP_Posts_List_Table' => 'posts',
-		'WP_Media_List_Table' => 'media',
-		'WP_Terms_List_Table' => 'terms',
-		'WP_Users_List_Table' => 'users',
-		'WP_Comments_List_Table' => 'comments',
-		'WP_Post_Comments_List_Table' => array( 'comments', 'post-comments' ),
-		'WP_Links_List_Table' => 'links',
+		'WP_Posts_List_Table'          => 'posts',
+		'WP_Media_List_Table'          => 'media',
+		'WP_Terms_List_Table'          => 'terms',
+		'WP_Users_List_Table'          => 'users',
+		'WP_Comments_List_Table'       => 'comments',
+		'WP_Post_Comments_List_Table'  => array( 'comments', 'post-comments' ),
+		'WP_Links_List_Table'          => 'links',
 		'WP_Plugin_Install_List_Table' => 'plugin-install',
-		'WP_Themes_List_Table' => 'themes',
-		'WP_Theme_Install_List_Table' => array( 'themes', 'theme-install' ),
-		'WP_Plugins_List_Table' => 'plugins',
+		'WP_Themes_List_Table'         => 'themes',
+		'WP_Theme_Install_List_Table'  => array( 'themes', 'theme-install' ),
+		'WP_Plugins_List_Table'        => 'plugins',
 		// Network Admin
-		'WP_MS_Sites_List_Table' => 'ms-sites',
-		'WP_MS_Users_List_Table' => 'ms-users',
-		'WP_MS_Themes_List_Table' => 'ms-themes',
+		'WP_MS_Sites_List_Table'       => 'ms-sites',
+		'WP_MS_Users_List_Table'       => 'ms-users',
+		'WP_MS_Themes_List_Table'      => 'ms-themes',
 	);
 
 	if ( isset( $core_classes[ $class ] ) ) {
-		foreach ( (array) $core_classes[ $class ] as $required )
+		foreach ( (array) $core_classes[ $class ] as $required ) {
 			require_once( ABSPATH . 'wp-admin/includes/class-wp-' . $required . '-list-table.php' );
+		}
 
-		if ( isset( $args['screen'] ) )
+		if ( isset( $args['screen'] ) ) {
 			$args['screen'] = convert_to_screen( $args['screen'] );
-		elseif ( isset( $GLOBALS['hook_suffix'] ) )
+		} elseif ( isset( $GLOBALS['hook_suffix'] ) ) {
 			$args['screen'] = get_current_screen();
-		else
+		} else {
 			$args['screen'] = null;
+		}
 
 		return new $class( $args );
 	}
@@ -65,7 +67,7 @@
  * @param array $columns An array of columns with column IDs as the keys and translated column names as the values
  * @see get_column_headers(), print_column_headers(), get_hidden_columns()
  */
-function register_column_headers($screen, $columns) {
+function register_column_headers( $screen, $columns ) {
 	new _WP_List_Table_Compat( $screen, $columns );
 }
 
@@ -78,7 +80,7 @@
  * @param bool             $with_id Whether to set the id attribute or not.
  */
 function print_column_headers( $screen, $with_id = true ) {
-	$wp_list_table = new _WP_List_Table_Compat($screen);
+	$wp_list_table = new _WP_List_Table_Compat( $screen );
 
 	$wp_list_table->print_column_headers( $with_id );
 }