src/Control/HTTPStreamResponse.php
protected function isSeekable()
    {
        $stream = $this->getStream();
        if (!$stream) {
            return false;
        }
        $metadata = stream_get_meta_data($stream);
        return $metadata['seekable'];
    }
protected function isSeekable()
    {
        $stream = $this->getStream();
        if (!$stream) {
            return false;
        }
        $metadata = stream_get_meta_data($stream);
        return $metadata['seekable'];
    }
protected function isSeekable ( ) { $ stream = $ this -> getStream ( ) ; if ( ! $ stream ) { return false ; } $ metadata = stream_get_meta_data ( $ stream ) ; return $ metadata [ 'seekable' ] ; }
Determine if a stream is seekable

@return bool
Determine if a stream is seekable