Help debugging call to gform_field_validation

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1

Hi - I’m a long time developer but new to Gravity Forms and Wordpress. I can’t seem to get the filter gform_field_validation to fire. The bit of code is in the Functions.php file with the location of “wp-content/themes//resources/functions.php”.

To call the function that I created I’m using this:

//The following declaration targets field 1 in form 6
add_filter( 'gform_field_validation_6_1', 'your_function_name', 10, 4 );

That I copied from the documentation. Then changing it to use the values in my form (which is just generic code that I’m using to figure out how this works):

//Target field 24 in form 4
    add_filter( 'gform_field_validation_24_4', 'my_custom_validation', 10, 4 );
    function custom_validation( $result, $value, $form, $field ) {
        if ( $result['is_valid'] && intval( $value ) > 10 ) {
            $result['is_valid'] = false;
            $result['message'] = 'Please enter a value less than 10';
        }
        return $result;
    }

Also I can’t seem to figure out what the parameters 10 and 4 (sometimes I see 10 and 7) in the add_ filter call. In the docs it states that those are the form and field object. I’ve tried it with 10, 4 - 10,7 - 4, 24 - and leaving it out all together.

Am I doing any of this correctly? Please help…

2

10 is the priority at which the filter runs.

4 is the number of arguments the function accepts.

Neither of those need to be to changed. Those are WordPress conventions and not related to Gravity Forms:

https://developer.wordpress.org/reference/functions/add_filter/

Now, what do you need help validating specifically? Let us know what your validation rules should be, and we’ll see if we can help. Thanks!

3

Thank you for the quick reply and the information!

I need to validate that the user picks a date from a date picker that’s at least one year in the past from the current date. Here’s my code:
add_filter( ‘gform_field_validation_4_24’,‘gt_one_year’ , 10, 4 );
function gt_one_year( $result, $value, $form, $field ) {

	$userDate = rgpost('input_4_24');

	$userYear = $userDate[2];
	$currentYear  = date('Y');  

	if ($currentYear == $userYear) {
		$result['is_valid'] = false;
               $result['message'] = "Date selected must be at least one year ago from today. Please correct.";
	}
   return $result;
}
4

How about if you only allowed them to pick dates prior to one year ago? You could use this filter for that:

If that’s an option, we can help with the validation code.

5

That would work great. I think that’s a better solution. Where do I place javascript in the form?

Just for my future understanding, do you see anything wrong with my php code?

I greatly appreciate your help!!

6

To add the script to your form, you can add an HTML field to the form, and add the script there. Be sure you use the opening <script> and closing </script> tags.

As for your PHP code, I did not test it to know where it might not be working :slight_smile: