Using Gravity Forms ‘gform_required_legend’ PHP filter

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The gform_required_legend filter enables you to override the legend displayed at the bottom of the form header, which explains how required fields are indicated.

Usage

add_filter('gform_required_legend', 'your_function_name', 10, 2);

You can also specify this per form by adding the form ID after the filter name.

add_filter('gform_required_legend_6', 'your_function_name', 10, 2);

Parameters

  • $legend (string) – The required indicator legend.
  • $form (Form Object) – The current form object.

More information

See Gravity Forms Docs: gform_required_legend

Note: Place the code examples in the functions.php file of your active theme or a custom functions plugin.

Examples

Use a custom legend

Change the required legend text with your custom text.

add_filter('gform_required_legend', function($legend, $form) {
    return 'your custom legend here';
}, 10, 2);

Empty legend

Remove the required legend completely.

add_filter('gform_required_legend', '__return_empty_string');

Custom legend for a specific form

Change the required legend text for a specific form with ID 6.

add_filter('gform_required_legend_6', function($legend, $form) {
    return 'custom legend for form 6';
}, 10, 2);

Include form title in the legend

Add the form title to the required legend.

add_filter('gform_required_legend', function($legend, $form) {
    return 'Fields marked with an * are required for ' . $form['title'];
}, 10, 2);

Conditional legend based on form ID

Change the required legend text based on form ID.

add_filter('gform_required_legend', function($legend, $form) {
    if ($form['id'] == 6) {
        return 'custom legend for form 6';
    } elseif ($form['id'] == 7) {
        return 'custom legend for form 7';
    }
    return $legend;
}, 10, 2);