Update form field dynamically through PHP (gform_pre_submission)

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1

I was looking at https://docs.gravityforms.com/gform_pre_submission/ as a way to update a field value based on a previous field’s value.

Here’s the situation:

I have a field named ‘territory’ which has 4 options (display=value):

  1. USA = 1
  2. Canada = 2
  3. Mexico = 3
  4. Other International = 4

Then, later on the form I have a field named ‘country’, which I can hide for 1-3 and I show if 4 is chosen in territory. I want to be able to automatically fill in the country based on what is selected in territory.

Here’s my code snippet:

    add_action( 'gform_pre_submission_2', 'pre_submission_handler' );
    function pre_submission_handler( $form ) {
      if(rgpost( 'input_1' ) == "1"){
        $_POST['input_14'] = "United States";
      }
      if(rgpost( 'input_1' ) == "2"){
        $_POST['input_14'] = "Canada";
      }
      if(rgpost( 'input_1' ) == "3"){
        $_POST['input_14'] = "Mexico";
      }

    }

Also tried the if statement checking if the value is the numerical version as well (… == 1){.

Country isn’t getting set with this code.

Appreciate the help!

2

That seems like it should work. Is your form ID actually form 2?

I recommend modifying your code to add a couple logging lines. Try this:

add_action( 'gform_pre_submission_2', 'pre_submission_handler' );
function pre_submission_handler( $form ) {
	GFCommon::log_debug( __METHOD__ . '(): The initial POST => ' . print_r( $_POST, true ) );
	if(rgpost( 'input_1' ) == "1"){
		GFCommon::log_debug( __METHOD__ . '(): Matched United States.' );
		$_POST['input_14'] = "United States";
	}
	if(rgpost( 'input_1' ) == "2"){
		GFCommon::log_debug( __METHOD__ . '(): Matched Canada.' );
		$_POST['input_14'] = "Canada";
	}
	if(rgpost( 'input_1' ) == "3"){
		GFCommon::log_debug( __METHOD__ . '(): Matched Mexico.' );
		$_POST['input_14'] = "Mexico";
	}
	GFCommon::log_debug( __METHOD__ . '(): The modified POST => ' . print_r( $_POST, true ) );
}
3

Sorry, forgot this part. For that to be useful, you will need to first enable logging:

With the modified code, and with logging enabled, please test the form. Then go back to the Forms > Settings > Logging page, and view the Gravity Forms Core log. Share the link to the log file if you need help figuring out what is going on.

4

Hey Chris,

This helped and I can see that my field is getting switched out, but I probably should have been clearer about the true goal. My issue is actually that I need these values to be updated for a webhook that I’m trying to process. Based on the log timestamps it looks as though the input_14 is updated to United States before the webhook happens, but even though I’ve mapped that field (country) in the pre_submission it’s not getting handed off to the webhooks.

From the GForm log (note the timestamps):
2020-05-28 21:47:34.169352 - DEBUG --> pre_submission_handler(): Matched United States.
2020-05-28 21:47:34.169373 - DEBUG --> pre_submission_handler(): The modified POST => Array
(
[input_1] => 1
[input_2] => caleb@email.com
[input_4] => CA
[input_5] => FM
[input_6] => (123) 456-7890
[input_7_1] => 123
[input_7_2] => 23
[input_7_3] => SGF
[input_7_4] =>
[input_7_6] => United States
[input_10_1] => Missouri
[input_10_2] => Greene
[is_submit_2] => 1
[gform_submit] => 2
[gform_unique_id] =>
[state_2] => WyJbXSIsIjI0YjVkNTRmYWYwNzZjMDQ5NzI4YmU1YzRhNmI4NTU0Il0=
[gform_target_page_number_2] => 0
[gform_source_page_number_2] => 1
[gform_field_values] =>
[input_14] => United States
)

From the webhooks log:
2020-05-28 21:47:35.609162 - DEBUG --> GF_Webhooks::process_feed(): Sending webhook request to [url-ommitted]?territory=1&country&emailAddress=caleb%40email.com&name=CA&company=FM&phone=%28123%29+456-7890&streetAddress1=123&streetAddress2=23&city=SGF&state=Missouri&county=Greene&ipAddress=75.98.104.178; Array

Any thoughts on how to get that to the webhook before it’s sent?

There are a few fields that aren’t required, but I’d to send them as blank as well, so a similar function will solve that for me as well.

Thanks!