A general method to implement recursive deletion of directories in PHP

/**
 *
 +------------------------------------------------- -----------------------
 * Description Recursively delete directories
 +-------------------------- ------------------------------------------------
 * @param string $dir The directory to be deleted
 +--------------------------------------------- --------------------------------
 * @return If the directory does not exist or is deleted successfully, it will return TRUE
 +--- -------------------------------------------------- ---------------
 * @author gongwen
 +---------------------------- ----------------------------------------
*/
function rmdirs($dir){
	if (!is_dir($dir) || rmdir($dir)) return TRUE;
	if($dir_handle=opendir($dir)){
		while($filename=readdir($dir_handle)){
			if($filename!='.' && $filename!='..'){
				$subFile=$dir.'/'.$filename;
			}
			is_dir($subFile)?rmdirs($subFile):unlink($subFile);
		}
		closedir($dir_handle);
		return rmdir($dir);
	}
}

PHP