Станислав (Все сообщения пользователя)

$this->arResult['MIME_TYPES'] = is_array($this->arParams['MIME_TYPES']) ? array_values($this->arParams['MIME_TYPES']) : [];

explode(): Argument #2 ($string) must be of type string, array given (0)

$this->arResult['MIME_TYPES'] = [];
        foreach (explode(',', $this->arParams['MIME_TYPES']) as $item)
        {
            if (strlen(trim($item)) > 0)
                $this->arResult['MIME_TYPES'][] = trim($item);
        }