class.ilCourseParticipant.php

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<?php

declare(strict_types=0);
class ilCourseParticipant extends ilParticipant
{
    protected const COMPONENT_NAME = 'components/ILIAS/Course';

    protected static array $instances = [];

    protected function __construct(int $a_obj_id, int $a_usr_id)
    {
        $this->type = 'crs';

        parent::__construct(self::COMPONENT_NAME, $a_obj_id, $a_usr_id);
    }

    public static function _getInstanceByObjId(int $a_obj_id, int $a_usr_id): ilCourseParticipant
    {
        if (isset(self::$instances[$a_obj_id][$a_usr_id]) && self::$instances[$a_obj_id][$a_usr_id]) {
            return self::$instances[$a_obj_id][$a_usr_id];
        }
        return self::$instances[$a_obj_id][$a_usr_id] = new ilCourseParticipant($a_obj_id, $a_usr_id);
    }
}