WordPress-C
/
WordPress
mirror of https://github.com/WordPress/WordPress.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

After [28883], ensure that priorities have callbacks before returning `true` in `has_filter()`. 

Adds unit tests.

Props boonebgorges.
Fixes #29070.

Built from https://develop.svn.wordpress.org/trunk@29422


git-svn-id: http://core.svn.wordpress.org/trunk@29200 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Scott Taylor 2014-08-07 02:30:20 +00:00
parent eb66e40790
commit 8f73ec76d1
1 changed files with 17 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
wp-includes/plugin.php
View File

@ -107,7 +107,23 @@ function add_filter( $tag, $function_to_add, $priority = 10, $accepted_args = 1
function has_filter($tag, $function_to_check = false) {
global $wp_filter;
$has = !empty($wp_filter[$tag]);
$has = ! empty( $wp_filter[ $tag ] );
// Make sure at least one priority has a filter callback
if ( $has ) {
$exists = false;
foreach ( $wp_filter[ $tag ] as $callbacks ) {
if ( ! empty( $callbacks ) ) {
$exists = true;
break;
}
}
if ( ! $exists ) {
$has = false;
}
}
if ( false === $function_to_check || false == $has )
return $has;