SAML2\Assertion::addConditions PHP Method

    private function addConditions(\DOMElement $root)
    {
        $document = $root->ownerDocument;
        $conditions = $document->createElementNS(Constants::NS_SAML, 'saml:Conditions');
        $root->appendChild($conditions);
        if ($this->notBefore !== null) {
            $conditions->setAttribute('NotBefore', gmdate('Y-m-d\\TH:i:s\\Z', $this->notBefore));
        }
        if ($this->notOnOrAfter !== null) {
            $conditions->setAttribute('NotOnOrAfter', gmdate('Y-m-d\\TH:i:s\\Z', $this->notOnOrAfter));
        }
        if ($this->validAudiences !== null) {
            $ar = $document->createElementNS(Constants::NS_SAML, 'saml:AudienceRestriction');
            $conditions->appendChild($ar);
            Utils::addStrings($ar, Constants::NS_SAML, 'saml:Audience', false, $this->validAudiences);
        }
    }