QuestionManager.php

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<?php

declare(strict_types=1);

namespace ILIAS\COPage\PC\Question;

class QuestionManager
{
    protected \ILIAS\COPage\Dom\DomUtil $dom_util;

    public function __construct()
    {
        global $DIC;
        $this->dom_util = $DIC->copage()->internal()->domain()->domUtil();
    }

    public function resolveQuestionReferences(
        \DOMDocument $dom,
        array $a_mapping
    ): bool {
        $path = "//Question";
        $updated = false;
        $nodes = $this->dom_util->path($dom, $path);
        foreach ($nodes as $node) {
            $qref = $node->getAttribute("QRef");
            if (isset($a_mapping[$qref])) {
                $node->setAttribute("QRef", "il__qst_" . $a_mapping[$qref]["pool"]);
                $updated = true;
            }
        }
        return $updated;
    }
}