Ticket #19244: get_theme-array-check.patch

theme.php

@@ -496 +496 @@
 function get_theme($theme) {
         $themes = get_themes();
 
-        if ( array_key_exists($theme, $themes) )
+        if ( is_array( $themes ) && array_key_exists($theme, $themes) )
                 return $themes[$theme];
 
         return null;