# by shady

class Filter
{
    public static function string( $data )
    {
        return filter_var( trim( $data ), FILTER_SANITIZE_STRING );
    }

    public static function int( $data )
    {
        return filter_var( $data, FILTER_SANITIZE_NUMBER_INT );
    }

    public static function float( $data )
    {
        return filter_var( $data, FILTER_SANITIZE_NUMBER_FLOAT );
    }

    public static function txt( $data )
    {
        return nl2br( addslashes( strip_tags( trim( $data ) ) ) );
    }

    public static function email_check( $email )
    {
        return !filter_var( $email, FILTER_VALIDATE_EMAIL );
    }
}