DescriptionUsageParametersExamplesPlacementSinceSource Code
Description
Overrides coupon code alphanumeric checking.
Usage
add_filter( 'gform_coupons_is_valid_code', 'your_function_name', 10, 2 );
Parameters
$is_alphanumeric bool
If the coupon code is alphanumeric.
$field Field Object
The field object.
Examples
add_filter( 'gform_coupons_is_valid_code', 'mark_coupon_valid', 10, 2 );
function mark_coupon_valid( $alphanumeric, $field ){
return true;
}
Placement
This code should be placed in the functions.php file of your active theme.
Since
This filter was added in Gravity Forms Coupons Add-On version 2.4.
Source Code
This filter is located in GFCoupons::check_if_duplicate_coupon_code() in gravityformscoupons/class-gf-coupons.php.