return “失效了”，大婶快来瞧瞧！！！

//类文件查找
function search($directory,$class){
	if (!is_dir($directory)) return false;
	$subdirectory=array();
	foreach (new DirectoryIterator($directory) as $file) {
		if ($file->isDot()) continue;
		if ($file->isDir()) {
			array_push($subdirectory,self::search($file->getPathName(),$class));
		} else {
			if (pathinfo($file->getFileName(),PATHINFO_FILENAME) === $class) {
				return $file->getPathName();
			}
		}
	}
}

//类文件查找
function search($directory,$class,&$file_name){
	if (!is_dir($directory)) return false;
	$subdirectory=array();
	foreach (new DirectoryIterator($directory) as $file) {
		if ($file->isDot()) continue;
		if ($file->isDir()) {
			array_push($subdirectory,self::search($file->getPathName(),$class,$file_name));
		} else {
			if (pathinfo($file->getFileName(),PATHINFO_FILENAME) === $class) {
				$file_name=$file->getPathName();
			}
		}
	}
}