public function getMetaDataValue($key) {

            return (isset($this->meta[$key]) ? $this->meta[$key] : null);

        }
public function getMetaDataValue($key) {

            return (isset($this->meta[$key]) ? $this->meta[$key] : null);

        }
public function getMetaDataValue ( $ key ) { return ( isset ( $ this -> meta [ $ key ] ) ? $ this -> meta [ $ key ] : null ) ; }
Get the stream meta data value
@param   string      $key        Meta key
@return  array|string|null       Returns the meta data list, value or null
Get the stream meta data value