Ticket #15030: meta_recursive_unserialize.2.diff

wp-includes/meta.php

@@ -478 +478 @@
                 $meta_cache = $meta_cache[$object_id];
         }
 
-        if ( !$meta_key )
+        if ( !$meta_key ) {
+                if ( is_array( $meta_cache ) ) {
+                        array_walk_recursive( $meta_cache, function( &$original ) {
+                                $original = maybe_unserialize( $original );
+                        } );
+                }
+
                 return $meta_cache;
+        }
 
         if ( isset($meta_cache[$meta_key]) ) {
                 if ( $single )