public function setMetadata($author, $name, $value)
    {
        $this->metadata[$this->arrayKey($author)][$name] = $value;

        return $this;
    }
public function setMetadata($author, $name, $value)
    {
        $this->metadata[$this->arrayKey($author)][$name] = $value;

        return $this;
    }
public function setMetadata ( $ author , $ name , $ value ) { $ this -> metadata [ $ this -> arrayKey ( $ author ) ] [ $ name ] = $ value ; return $ this ; }
Set a specific meta data for an author.

@param string $author The author.
@param string $name   Metadata name.
@param mixed  $value  Metadata value.

@return Config
Set a specific meta data for an author .