Ticket #21099: 21099.3.patch

wp-includes/class-wp-theme.php

@@ -1071 +1071 @@
          * @return array Array of stylesheet names.
          */
         public static function get_allowed( $blog_id = null ) {
-                return self::get_allowed_on_network() + self::get_allowed_on_site( $blog_id );
+                $allowed_on_network = (array) apply_filters( 'allowed_themes', self::get_allowed_on_network() );
+                return $allowed_on_network + self::get_allowed_on_site( $blog_id );
         }
 
         /**
@@ -1085 +1086 @@
         public static function get_allowed_on_network() {
                 static $allowed_themes;
                 if ( ! isset( $allowed_themes ) )
-                        $allowed_themes = (array) get_site_option( 'allowedthemes' );
+                        $allowed_themes = (array) apply_filters( 'network_allowed_themes', get_site_option( 'allowedthemes' ) );
                 return $allowed_themes;
         }
 
@@ -1145 +1146 @@
                         }
                 }
 
-                return (array) $allowed_themes[ $blog_id ];
+                return (array) apply_filters( 'site_allowed_themes', $allowed_themes[ $blog_id ], $blog_id );
         }
 
         /**