Random selecton from a dropdown list [RESOLVED]

How to get a random selection from the dropdown list items when the form loads…

Do you mean that you want a random option selected as the default value, when the form loads?

And if so, can you explain the use-case? I’ve not seen that question or functionality before. Please share are much information as you can about the request. Thank you.

Hi Chris… https://ask4nations.org/ at the bottom of the home page… we have a choice to adopt a country… so the visitor is able to choose a country. If they are not sure which country they need, the gravity form could able to choose a random country for them… Does that make sense ?

Hi Shyju. I took a stab at this. See what you think. This is the form I used:

Download that to your computer, save it as a json file on your desktop. Then in your WordPress dashboard, go to Forms > Import/Export > Import forms to load that form. Go to Edit the form, and note the Form ID. You’ll need that.

Next, add this code to your theme functions.php file or a custom functionality plugin if you are using one: https://gravityforms.chrishajer.com/wp-content/uploads/gravity_forms/files/638.php.txt

The code is below as well, but you can download it if that is easier to copy.

// change 638 to your form ID
add_filter( 'gform_pre_render_638', 'set_random_default' );
function set_random_default( $form ) {
	foreach( $form['fields'] as &$field ) {
		if( 2 === $field->id ) {
			GFCommon::log_debug( __METHOD__ . '(): Matched field ID.' );
			// count the number of choices, and subtract one, because this is a zero-based array
			$count = count ( $field->choices ) -1;
			GFCommon::log_debug( __METHOD__ . "(): Number of items in the array is {$count}." );
			// select a random integer from 0 to $count
			$choice_number = rand ( 0, $count );
			GFCommon::log_debug( __METHOD__ . "(): Selected {$choice_number} out of {$count} choices." );
			// make that choice 'selected'
			$field->choices[$choice_number]['isSelected'] = 1;
	return $form;

Change the form ID from 638 to the ID the form has on your site. You can see in the code that this will apply only to field 2 in form 638. You don’t need to change the field ID to use this code on the form I sent. You only need to change the form ID.

Let me know how that works for you. I ran it several times and it seemed to be working well for me. If you have any questions, please let me know.

1 Like

Thanks Chris… You are awesome… It worked flawlessly.

1 Like

Great news! Thank you for the update.

Thanks, Chris,

I tested the code you shared and it worked excellently. My question is if that code can be modified so that instead of choosing randomly. Choose sequentially for example in the order that the options are in the dropdown and when you reach the end start over.

To provide context: I am working a form. Who has a question: ¿Are you a member? If the answer is yes it presents a dropdown with the names of the companies the user choose a company.

According to the selected company. The form sends the email to the company email. If the answer is no the dropdown is not displayed.

If the user choose No in the question ¿Are you a member? I need choose from him one company. Your code work great to choose one company random. But I don’t want choose randomly y need choose sequentially in the order of the list, ¿Is it possible? and I don’t know how to make the code only run if the ¿Are you a member? question choosed is No.

How prevent two emails from being sent if the user choose Yes and choose one company from the dropdown list. This is the first email sent but another that choose the code because the code run always when the form is run. How make the code run only if the user chose No.

Thanks for any help

Hi Rafael, instead of the code I provided, I would take a look at this. It’s a round-robin style distribution of leads (sequential):

Thanks Chris!! :+1:t4: just what I need.


1 Like
© 2008 - 2019. Gravity Forms is a project by Rocketgenius Inc.