/**
* Return literal length data located at the end of the stream.
*
* @return mixed Null if no literal data found, or an array with these
* keys:
* - binary: (boolean) True if this is a literal8.
* - length: (integer) Length of the literal.
*/
public function getLiteralLength()
{
$this->_stream->end(-1);
if ($this->_stream->peek() === '}') {
$literal_data = $this->_stream->getString($this->_stream->search('{', true) - 1);
$literal_len = substr($literal_data, 2, -1);
if (is_numeric($literal_len)) {
return array('binary' => $literal_data[0] === '~', 'length' => intval($literal_len));
}
}
return null;
}
