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Avoid php notices.

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git-svn-id: https://develop.svn.wordpress.org/trunk@5202 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan Boren
2007-04-07 05:24:37 +00:00
parent ab8c90f89e
commit c113ddaa1f
2 changed files with 3 additions and 2 deletions
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2
wp-includes/plugin.php
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@@ -74,7 +74,7 @@ function apply_filters($tag, $string) {
function merge_filters($tag) {
global $wp_filter, $merged_filters;
if ( is_array($wp_filter['all']) )
if ( isset($wp_filter['all']) && is_array($wp_filter['all']) )
$wp_filter[$tag] = array_merge($wp_filter['all'], (array) $wp_filter[$tag]);
if ( isset($wp_filter[$tag]) ){