public function getHash($type = 'guess', $quality = 80, $extras = [])
    {
        if (null === $this->hash) {
            $this->generateHash($type, $quality, $extras);
        }

        return $this->hash;
    }
public function getHash($type = 'guess', $quality = 80, $extras = [])
    {
        if (null === $this->hash) {
            $this->generateHash($type, $quality, $extras);
        }

        return $this->hash;
    }
public function getHash ( $ type = 'guess' , $ quality = 80 , $ extras = [ ] ) { if ( null === $ this -> hash ) { $ this -> generateHash ( $ type , $ quality , $ extras ) ; } return $ this -> hash ; }
Gets the hash.
@param string $type
@param int $quality
@param [] $extras
@return null
Gets the hash .