Pop\Dom\Dom::getDoctype PHP Method

    public function getDoctype()
    {
        return str_replace('[{charset}]', $this->charset, Dom::$doctypes[$this->doctype]);
    }

 public function testSetAndGetDoctype()
 {
     $d = new Dom(Dom::XHTML11);
     $d->setDoctype(Dom::ATOM);
     $this->assertContains('<?xml version="1.0"', $d->getDoctype());
     $d->setDoctype(Dom::RSS);
     $this->assertContains('<?xml version="1.0"', $d->getDoctype());
     $d->setDoctype(Dom::XML);
     $this->assertContains('<?xml version="1.0"', $d->getDoctype());
 }