<?phpfunction del_DirAndFile($dirName){    if(is_dir($dirName)){        echo "<br /> ";        if ( $handle = opendir( "$dirName" ) ) {            while ( false !== ( $item = readdir( $handle ) ) ) {                if ( $item != "." && $item != ".." ) {                    if ( is_dir( "$dirName/$item" ) ) {                        del_DirAndFile( "$dirName/$item" );                    } else {                        if( unlink( "$dirName/$item" ) )echo "已删除文件: $dirName/$item<br /> ";                    }                }            }        closedir( $handle );       if( rmdir( $dirName ) ) echo "已删除目录: $dirName<br /> ";          }    }}?><?php    del_DirAndFile(‘test/‘);?>