make sure directory is given
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@ -151,7 +151,7 @@ abstract class FileUtil {
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* @return bool
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*/
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public static function cleanDirectory($directory, $maxFileAgeInDays = 10., $recursive = false) {
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if (!is_dir($directory) || !is_readable($directory)) {
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if (!$directory || !is_dir($directory) || !is_readable($directory)) {
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return false;
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}
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$dirHandle = opendir($directory);
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