Add null check to $functions in apply_filters(). http://www.kackreiz.net/wordpress.php
git-svn-id: https://develop.svn.wordpress.org/trunk@1394 602fd350-edb4-49c9-b593-d223f7449a82
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@ -1117,11 +1117,13 @@ function apply_filters($tag, $string) {
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if (isset($wp_filter[$tag])) {
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ksort($wp_filter[$tag]);
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foreach ($wp_filter[$tag] as $priority => $functions) {
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if (!is_null($functions)) {
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foreach($functions as $function) {
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$string = $function($string);
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}
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}
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}
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}
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return $string;
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}
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