/**
* Reads and returns $bytes amount of bytes from stream.
*
* @see http://php.net/streamwrapper.stream-read
*
* @param int $bytes
*
* @return string
*/
public function stream_read($bytes)
{
if (!$this->currently_opened->isOpenedForReading()) {
return null;
}
$data = $this->currently_opened->read($bytes);
//file access time changes so stat cache needs to be cleared
clearstatcache();
return $data;
}
