RequestedAttribute.php

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<?php

namespace SAML2\XML\md;

use SAML2\Constants;
use SAML2\Utils;
use SAML2\XML\saml\Attribute;

class RequestedAttribute extends Attribute
{
    public $isRequired = null;

    public function __construct(\DOMElement $xml = null)
    {
        parent::__construct($xml);

        if ($xml === null) {
            return;
        }

        $this->isRequired = Utils::parseBoolean($xml, 'isRequired', null);
    }

    public function toXML(\DOMElement $parent)
    {
        assert(is_bool($this->isRequired) || is_null($this->isRequired));

        $e = $this->toXMLInternal($parent, Constants::NS_MD, 'md:RequestedAttribute');

        if ($this->isRequired === true) {
            $e->setAttribute('isRequired', 'true');
        } elseif ($this->isRequired === false) {
            $e->setAttribute('isRequired', 'false');
        }

        return $e;
    }
}