VocabSourceValidator.php

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<?php

declare(strict_types=1);

namespace ILIAS\MetaData\Repository\Validation\Data;

use ILIAS\MetaData\Elements\ElementInterface;

class VocabSourceValidator implements DataValidatorInterface
{
    use DataFetcher;
    use VocabularyBridge;

    public function isValid(
        ElementInterface $element,
        bool $ignore_marker
    ): bool {
        $sources = [];
        foreach ($this->vocabularies($element, $ignore_marker) as $vocabulary) {
            $sources[] = $vocabulary->source();
        }
        return in_array($this->dataValue($element, $ignore_marker), $sources);
    }
}