Using Gravity Forms ‘gform_polls_form_pre_results’ PHP filter

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The gform_polls_form_pre_results Gravity Forms PHP filter allows you to manipulate the form object before the poll results are calculated for the front-end and entry detail pages.

Usage

To apply this filter to all forms:

add_filter('gform_polls_form_pre_results', 'your_function_name', 10, 1);

To target a specific form, append the form ID to the hook name (format: gform_polls_form_pre_results_FORMID):

add_filter('gform_polls_form_pre_results_2', 'your_function_name', 10, 1);

Parameters

  • $form (Form Object): The form to be manipulated.

More information

See Gravity Forms Docs: gform_polls_form_pre_results

Examples

Change form title

This example changes the form title to “Testing”:

add_filter('gform_polls_form_pre_results', 'change_poll_form', 10, 1);

function change_poll_form($form){
    $form['title'] = 'Testing'; // change the form title
    return $form;
}

Add a CSS class to the form

This example adds a custom CSS class to the form’s CSS class list:

add_filter('gform_polls_form_pre_results', 'add_custom_css_class', 10, 1);

function add_custom_css_class($form){
    $form['cssClass'] .= ' custom-class'; // add the custom CSS class
    return $form;
}

Remove a specific field from the form

This example removes a field with a specific ID from the form:

add_filter('gform_polls_form_pre_results', 'remove_field_by_id', 10, 1);

function remove_field_by_id($form){
    $field_id = 5; // specify the field ID to remove
    foreach ($form['fields'] as $key => $field) {
        if ($field->id == $field_id) {
            unset($form['fields'][$key]);
        }
    }
    return $form;
}

Modify the field label

This example changes the label of a specific field:

add_filter('gform_polls_form_pre_results', 'modify_field_label', 10, 1);

function modify_field_label($form){
    $field_id = 3; // specify the field ID to modify
    $new_label = 'New Label'; // specify the new label
    foreach ($form['fields'] as &$field) {
        if ($field->id == $field_id) {
            $field->label = $new_label;
        }
    }
    return $form;
}

Hide the form if user is not logged in

This example hides the form if the user is not logged in:

add_filter('gform_polls_form_pre_results', 'hide_form_if_not_logged_in', 10, 1);

function hide_form_if_not_logged_in($form){
    if (!is_user_logged_in()) {
        $form = null; // hide the form if the user is not logged in
    }
    return $form;
}