Ticket #39007: 39007.diff

src/wp-includes/class-wp-hook.php

@@ -352 +352 @@
         }
 
         /**
+         * Return the current priority level of the currently running iteration of the hook.
+         *
+         * @since 4.7.0
+         * @access public
+         *
+         * @return int|false If the hook is running, return the current priority level. If it isn't running, return false.
+         */
+        public function current_priority() {
+                if ( false === current( $this->iterations ) ) {
+                        return false;
+                }
+
+                return current( current( $this->iterations ) );
+        }
+
+        /**
          * Normalizes filters set up before WordPress has initialized to WP_Hook objects.
          *
          * @since 4.7.0