From d88a14ee671097bf03468abd112e8f4b46b946c8 Mon Sep 17 00:00:00 2001
From: Scott Taylor <wonderboymusic@git.wordpress.org>
Date: Sat, 28 Jun 2014 04:26:49 +0000
Subject: [PATCH] `remove_all_filters()` should set to `array()`, not call
 `unset()`.

Props nacin, c3mdigital.
Fixes #19306.


git-svn-id: https://develop.svn.wordpress.org/trunk@28883 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-includes/plugin.php | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/src/wp-includes/plugin.php b/src/wp-includes/plugin.php
index 7eba1bbdb6..610963aabf 100644
--- a/src/wp-includes/plugin.php
+++ b/src/wp-includes/plugin.php
@@ -296,18 +296,20 @@ function remove_filter( $tag, $function_to_remove, $priority = 10 ) {
  * @param int $priority The priority number to remove.
  * @return bool True when finished.
  */
-function remove_all_filters($tag, $priority = false) {
+function remove_all_filters( $tag, $priority = false ) {
 	global $wp_filter, $merged_filters;
 
-	if( isset($wp_filter[$tag]) ) {
-		if( false !== $priority && isset($wp_filter[$tag][$priority]) )
-			unset($wp_filter[$tag][$priority]);
-		else
-			unset($wp_filter[$tag]);
+	if ( isset( $wp_filter[ $tag ]) ) {
+		if ( false !== $priority && isset( $wp_filter[ $tag ][ $priority ] ) ) {
+			$wp_filter[ $tag ][ $priority ] = array();
+		} else {
+			$wp_filter[ $tag ] = array();
+		}
 	}
 
-	if( isset($merged_filters[$tag]) )
-		unset($merged_filters[$tag]);
+	if ( isset( $merged_filters[ $tag ] ) ) {
+		unset( $merged_filters[ $tag ] );
+	}
 
 	return true;
 }