PHPePub\Core\Structure\Opf::initialize PHP Method

    function initialize($title, $language, $identifier, $identifierScheme)
    {
        $this->metadata->addDublinCore(new DublinCore("title", $title));
        $this->metadata->addDublinCore(new DublinCore("language", $language));
        $dc = new DublinCore("identifier", $identifier);
        $dc->addAttr("id", $this->ident);
        $dc->addOpfAttr("scheme", $identifierScheme);
        $this->metadata->addDublinCore($dc);
    }