Ticket #10493: closures.2.diff

wp-includes/plugin.php

@@ -675 +675 @@
         global $wp_filter;
         static $filter_id_count = 0;
 
-        if ( is_string($function) ) {
+        if ( is_string($function) )
                 return $function;
-        } else if (is_object($function[0]) ) {
+
+        $function = (array) $function;
+
+        if (is_object($function[0]) ) {
                 // Object Class Calling
                 if ( function_exists('spl_object_hash') ) {
                         return spl_object_hash($function[0]) . $function[1];
@@ -692 +695 @@
                         } else {
                                 $obj_idx .= $function[0]->wp_filter_id;
                         }
-        
+
                         return $obj_idx;
                 }
         } else if ( is_string($function[0]) ) {