Ticket #20875: 20875-_get_non_cached_ids.diff

src/wp-includes/functions.php

@@ -5409 +5409 @@
  * @access private
  *
  * @param array  $object_ids ID list.
- * @param string $cache_key  The cache bucket to check against.
+ * @param string $group  The cache bucket to check against.
  *
  * @return array List of ids not present in the cache.
  */
-function _get_non_cached_ids( $object_ids, $cache_key ) {
-        $clean = array();
-        foreach ( $object_ids as $id ) {
-                $id = (int) $id;
-                if ( ! wp_cache_get( $id, $cache_key ) ) {
-                        $clean[] = $id;
+function _get_non_cached_ids( $object_ids, $group ) {
+        $clean        = array();
+        $object_ids   = array_map( $object_ids, 'intval' );
+        $groups       = array( $group => $object_ids );
+        $cache_result = wp_cache_get_multiple( $groups );
+
+        foreach ( $cache_result as $key => $value ) {
+                if ( false === $value ) {
+                        $clean[] = $key;
                 }
         }