Override the HTML output of any Gravity Form, after it is generated – but BEFORE it is displayed.
Start using gform_get_form_filter
What gform_get_form_filter does…
Using this – you can change the appearance or display of any Gravity Form.
Want to target all forms?
Use this:
add_filter( 'gform_get_form_filter', 'your_function_name', 10, 2 );
Want to target a specific form?
Use this:
add_filter( 'gform_get_form_filter_10', 'your_function_name', 10, 2 );
[…spot the difference? you add the form number to the end of the gform_get_form_filter_ tag]
What parameters does this filter use?
- $form_string string
- [controlling form markup HTML]
- $form Form Object
- [identifying the form]
Use Case Examples?
Want to hide a Gravity Form for logged-in users?
Example:
add_filter( 'gform_get_form_filter_1', function ( $form_string, $form ) {
if ( is_user_logged_in() ) {
$form_string = "
This form is for new users, as you are already registered you don't need to use it again.
";
}
return $form_string;
}, 10, 2 );
Want to hide a Gravity Form from displaying on a specific day of the week?
Example:
add_filter( 'gform_get_form_filter_1', 'custom_schedule', 10, 2 );
function custom_schedule( $form_string, $form ) {
$day = date( 'l' );
if ( $day == 'Monday' ) {
$form_string = '
We are closed today, please return tomorrow to make your booking.
';
}
return $form_string;
}
Want to remove a specific CSS form class from a particular Gravity Form?
Example:
add_filter( 'gform_get_form_filter_63', function ( $form_string, $form ) {
// Remove gf_simple_horizontal if page ID is not 9098.
if ( ! is_page( 9098 ) ) {
$form_string = str_replace( 'gf_simple_horizontal', '', $form_string );
}
return $form_string;
}, 10, 2 );
Where should you place this code in your WordPress website?
In the functions.php file of your active theme.