feat($general): filter anynymous fns from being processed by wp_list_…

…filter()

includes/remove-class.php

@@ -24,8 +24,21 @@ function remove_class_hook( $tag, $class_name = '', $method_name = '', $priority
 		global $wp_filter;
 		$is_hook_removed = false;
 		if ( ! empty( $wp_filter[ $tag ]->callbacks[ $priority ] ) ) {
-			$methods     = wp_list_pluck( $wp_filter[ $tag ]->callbacks[ $priority ], 'function' );
+
+			$methods = array_filter(wp_list_pluck(
+				$wp_filter[ $tag ]->callbacks[ $priority ],
+				'function'
+			), function ($method) {
+				/**
+				 * Allow only array & string notation for hooks, since we're
+				 * looking to remove an exact method of a class anyway. And the
+				 * method of the class is passed in as a string anyway.
+				 */
+				return is_string($method) || is_array($method);
+			});
+
 			$found_hooks = ! empty( $methods ) ? wp_list_filter( $methods, array( 1 => $method_name ) ) : array();
+
 			foreach( $found_hooks as $hook_key => $hook ) {
 				if ( ! empty( $hook[0] ) && is_object( $hook[0] ) && get_class( $hook[0] ) === $class_name ) {
 					$wp_filter[ $tag ]->remove_filter( $tag, $hook, $priority );