/**
* writes data into the stream
*
* @param string $data
* @return int amount of bytes written
*/
public function stream_write($data)
{
if (self::READONLY === $this->mode) {
return 0;
}
if ($this->content->isWritable(vfsStream::getCurrentUser(), vfsStream::getCurrentGroup()) === false) {
return 0;
}
return $this->content->write($data);
}
