Untitled

LOCK FILE PHP for read then cannot be read?
// ACQUIRE READ LOCK
if(flock($file, LOCK_SH)) {
// READ HASHES FILE
if($contents = file('haasdas.txt')) {
    // RELEASE READ LOCK
    flock($file, LOCK_UN);
} else {
            echo 'errrrrrorzzzer';
      }
}

$fd=fopen($filename,'rb');
while (!flock($fd,LOCK_SH)) usleep(500);
$fs=fstat($fd);
$contents=fread($fd,$fs['size']);
flock($fd,LOCK_UN);
fclose($fd);