Refs #4325. Restored the null vs bool return in elgg_delete_metadata().

diff --git a/engine/lib/metadata.php b/engine/lib/metadata.php
index 8cc2614650a793d6349efa3b4f1030fd47431b00..f543c0fd0a30a1832f7c44b01f240e0a96e14f09 100644 (file)
--- a/engine/lib/metadata.php
+++ b/engine/lib/metadata.php
@@ -298,7 +298,7 @@ function elgg_get_metadata(array $options = array()) {
  *          metadata_name(s), metadata_value(s), guid(s), or limit must be set.
  *
  * @param array $options An options array. {@see elgg_get_metadata()}
- * @return bool
+ * @return mixed Null if the metadata name is invalid. Bool on success or fail.
  * @since 1.8.0
  */
 function elgg_delete_metadata(array $options) {
@@ -308,7 +308,7 @@ function elgg_delete_metadata(array $options) {
 
        $options['metastring_type'] = 'metadata';
        $result = elgg_batch_metastring_based_objects($options, 'elgg_batch_delete_callback');
-       return (bool) $result;
+       return $result;
 }
 
 /**