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User defined price with minimum amount

  1. I'm using the add-on and trying to set a minimum amount on a user defined price field. I'm trying to set the minimum amount to enter as $10 but for some reason its not working. Here's the code I'm using:

    // Set minimum amount on cc form to be $10
    add_filter("gform_field_validation_51_7", "custom_validation", 10, 4);
    function custom_validation($result, $value, $form, $field){
        if($result["is_valid"] && intval($value) < 10){
            $result["is_valid"] = false;
            $result["message"] = "The minimum payment must be more than $10";
        return $result;

    Here's a link to the form:

    Is there something I'm missing?


    Posted 10 years ago on Friday May 24, 2013 | Permalink
  2. The problem is that the $value variable actually includes the number format as well, so you need to convert it to just a number first, then use that new variable in the comparison. Take a look at this example:

    Posted 10 years ago on Friday May 24, 2013 | Permalink