Ticket #35521: 35521.patch

src/wp-includes/theme.php

@@ -406 +406 @@
  * @staticvar array $found_themes
  *
  * @param bool $force Optional. Whether to force a new directory scan. Defaults to false.
- * @return array|false Valid themes found
+ * @return array Valid themes found
  */
 function search_theme_directories( $force = false ) {
         global $wp_theme_directories;
-        static $found_themes = null;
+        static $found_themes = array();
 
         if ( empty( $wp_theme_directories ) )
-                return false;
+                return array();
 
         if ( ! $force && isset( $found_themes ) )
                 return $found_themes;
 
-        $found_themes = array();
-
         $wp_theme_directories = (array) $wp_theme_directories;
         $relative_theme_roots = array();