EntityAttributes.php

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<?php

namespace SAML2\XML\mdattr;

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

class EntityAttributes
{
    const NS = 'urn:oasis:names:tc:SAML:metadata:attribute';

    public $children;

    public function __construct(\DOMElement $xml = null)
    {
        if ($xml === null) {
            return;
        }

        foreach (Utils::xpQuery($xml, './saml_assertion:Attribute|./saml_assertion:Assertion') as $node) {
            if ($node->localName === 'Attribute') {
                $this->children[] = new Attribute($node);
            } else {
                $this->children[] = new Chunk($node);
            }
        }
    }

    public function toXML(\DOMElement $parent)
    {
        assert(is_array($this->children));

        $doc = $parent->ownerDocument;

        $e = $doc->createElementNS(EntityAttributes::NS, 'mdattr:EntityAttributes');
        $parent->appendChild($e);

        foreach ($this->children as $child) {
            $child->toXML($e);
        }

        return $e;
    }
}