class.ilAccessibilityUserHasLanguageCriterion.php

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<?php

class ilAccessibilityUserHasLanguageCriterion implements ilAccessibilityCriterionType
{
    public function getTypeIdent(): string
    {
        return 'usr_language';
    }

    public function hasUniqueNature(): bool
    {
        return true;
    }

    public function evaluate(ilObjUser $user, ilAccessibilityCriterionConfig $config): bool
    {
        $lng = $config['lng'] ?? '';

        if (!is_string($lng) || 2 !== strlen($lng)) {
            return false;
        }

        $result = strtolower($lng) === strtolower($user->getLanguage());

        return $result;
    }

    public function ui(ilLanguage $lng): ilAccessibilityCriterionTypeGUI
    {
        return new ilAccessibilityUserHasLanguageCriterionGUI($this, $lng);
    }
}