Xpressengine\Support\Caster::castInt PHP Method

To Integer cast a value

protected static castInt ( mixed $v ) : integer \| null
$v	mixed	original value
return	integer \| null

    protected static function castInt($v)
    {
        return !preg_match('/[^0-9]/', $v) ? (int) $v : null;
    }

Caster