Airship\Engine\Security\Filter\WhiteList::addToWhiteList PHP Method

    protected function addToWhiteList(...$values)
    {
        switch ($this->type) {
            case 'bool':
                foreach ($values as $val) {
                    $this->allowedValues[] = (bool) $val;
                }
                break;
            case 'float':
                foreach ($values as $val) {
                    $this->allowedValues[] = (double) $val;
                }
                break;
            case 'int':
                foreach ($values as $val) {
                    $this->allowedValues[] = (int) $val;
                }
                break;
            case 'string':
                foreach ($values as $val) {
                    $this->allowedValues[] = (string) $val;
                }
                break;
            default:
                foreach ($values as $val) {
                    $this->allowedValues[] = $val;
                }
        }
        return $this;
    }