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Cast to array when using foreach(). Props santosj (and thanks for your perseverance!). fixes #2784

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git-svn-id: https://develop.svn.wordpress.org/trunk@8572 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Mark Jaquith
2008-08-06 20:31:54 +00:00
parent 3937bd9530
commit 3cab99fbd2
22 changed files with 125 additions and 124 deletions
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wp-includes/plugin.php
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@@ -90,7 +90,7 @@ function has_filter($tag, $function_to_check = false) {
if ( !$idx = _wp_filter_build_unique_id($tag, $function_to_check, false) )
return false;
foreach ( array_keys($wp_filter[$tag]) as $priority ) {
foreach ( (array) array_keys($wp_filter[$tag]) as $priority ) {
if ( isset($wp_filter[$tag][$priority][$idx]) )
return $priority;
}