Negative Value and Number Issues in Number Input Field

Hi @amateria,

I hope you are doing good, and thank you for reaching out to us.

Could you please share an export of the form to help you with this?

Please upload the export of the form into Google Drive or DropBox and share the URL so that we can access it. Please find how to export a from in our documentation here: https://wpmudev.com/docs/wpmu-dev-plugins/forminator/#import-export

Kind Regards,
Nebu John

Sure!
https://drive.google.com/file/d/17CbaGOYQStKI0tRozWPeOUQEi-dFHlxb/view?usp=sharing

Thank you!
Jamie

Any luck with this yet?

Hi @amateria

I hope you are doing good today.

I pinged our SLS and Forminator team to review this. Please note form will be not submitted with such data and this is how those fields work. We will post an update here as soon as more information is available.

Kind Regards,
Kris

Thank you for your help! It seems odd to me that anyone would ever want a payment form with fields that could be input and passed as a negative number, but it seems that both the number and the currency fields allow this. Is there maybe another field or field setting that might work? I also have all of those fields set up with a zero minimum value but it doesn’t seem to matter.
Again, I appreciate your help and I hope this extra info is useful.

Thank you!
Jamie

Hi @amateria

When we set the min value it gives a front end validation:

https://monosnap.com/file/EuxIkI5l4sX4pnD3PuJhDESlzX1iG0

Also not allowed to submit the form.

But I do see what you mean about it allowing negatives value on the front end, even it gives the validation it should stop on 0.

Those are reported situations and we let our developers know you are also having this issue.

A workaround for the currency field is using this script:

<?php

add_filter( 'forminator_field_currency_markup', function( $html ){

	$html = str_replace( 'type="number"', 'type="number" min="0" ', $html );

	return $html;

}, 20, 1 );

You can install it as a mu-plugin following this guide https://wpmudev.com/docs/using-wordpress/installing-wordpress-plugins/#installing-mu-plugins

This is only a temporary solution that sets the HTML min attribute to currency fields.

https://www.w3schools.com/tags/att_input_min.asp

Best Regards
Patrick Freitas

Thank you so much! I appreciate all of your help! Will you come back here to comment after the developers have had a chance to look at it or is that something you handle a different way?

Hi @amateria,

The suggested changes of adding the mu-plugins etc would require server access. It would be better if you could get your developer to make the changes.

If you still have any queries on how to proceed then please do let us know and we would be happy to assist you further if needed.

Have a nice day ahead.

Kind Regards,
Nithin

Thank you, Nithin. Yes, I have server access and will be adding the mu-plugins today. I appreciate all of your support!

Thank you,
Jamie

Hello @amateria ,

Let us know if you tried that mu-plugin and if that works for you.

kind regards,
Kasia

Hi Kasia,
I was unable to try it yesterday but will certainly let you know as soon as I do. Thank you so much for checking in with me! ??

Jamie

Okay, I tried it and nothing seemed to change. I have uploaded a current version of the form code here:
https://drive.google.com/file/d/17CbaGOYQStKI0tRozWPeOUQEi-dFHlxb/view?usp=sharing

And here is a screen shot of how I have it in FileZilla:
https://astronomyclub.org/nhacwp/currencycorrector.pdf

Any ideas?

Thank you!
Jamie

Hi @amateria

I hope you’re well today!

I’ve downloaded your form and put it on my test site and then added the code that was shared with you. I’ve tested it and it works as expected on my end – it makes it impossible to go to negative values.

If it doesn’t work on your end then there are two most probable reasons for this:

– either there’s some other/additional conflict
– or the code was not applied correctly after all

I’d start with the second option.

I understand that the code is in negativeerrorsnippet.php file. Location of this file seems correct so could you also share a screenshot (exactly as it is in the file) of the code in the file?

Are you absolutely sure also that it’s actually added to correct WP installation? I know it sounds a bit strange but it’s not uncommon if there are more installs on a single server/hosting accounts so I just want to make sure…

Best regards,
Adam

Hi!
I’m not 100% clear about what you did. In my last post I linked to the file I exported of the form that had the new snippet of code already in place. Or at least it should have. Was that not a helpful file? Is there a better one I could link to?

Actually the snippet is in the currencycorrector.php file. I will send a link to a screenshot of that code in my next post.

Also, yeah, I only have the one WP installation. :/

Thank you, Adam!

Here is the snippet that shows how I saved and uploaded it:

https://astronomyclub.org/nhacwp/CurrencyCorrectorCodeScreenCap.pdf