public function addAuthorsMetadata($metadata)
    {
        foreach ($metadata as $author => $data) {
            foreach ($data as $name => $value) {
                $this->setMetadata($author, $name, $value);
            }
        }

        return $this;
    }
public function addAuthorsMetadata($metadata)
    {
        foreach ($metadata as $author => $data) {
            foreach ($data as $name => $value) {
                $this->setMetadata($author, $name, $value);
            }
        }

        return $this;
    }
public function addAuthorsMetadata ( $ metadata ) { foreach ( $ metadata as $ author => $ data ) { foreach ( $ data as $ name => $ value ) { $ this -> setMetadata ( $ author , $ name , $ value ) ; } } return $ this ; }
Add authors metadata.

Format:
Author: [ name => value, ..]

@param array $metadata Authors metadata.

@return Config
Add authors metadata .