Description
Allows you to modify the generated Unique ID using a custom function.
This modifies a core aspect of this perk and may break your forms. Make sure that your custom function always returns a unique string by incorporating the
$unique parameter in its output. Usage
add_filter( 'gpui_unique_id', 'my_custom_function', 10, 3);Parameters
Examples
Reset Genereated ID when it reaches a number
This example shows you how to reset a sequentially generated ID when it reaches a specific number.
<?php
/**
* Gravity Perks // Unique ID // Reset Sequence at Specific Threshold
* https://gravitywiz.com/documentation/gravity-forms-unique-id/
*
* Reset the sequence of a Sequential Unique ID field when the sequence reaches a specified number.
*/
add_filter( 'gpui_unique_id', function( $unique, $form_id, $field_id ) {
// Update "123" to your form ID and "4" to the ID of your Unique ID field.
if ( $form_id == 123 && $field_id == 4 ) {
// Update "1" to the number the sequence should be reset to when the threshold is reached.
$starting_number = 1;
// Update "99" to the threshold at which the sequence should be reset.
$reset_number = 99;
if ( $unique == $reset_number ) {
gp_unique_id()->set_sequential_starting_number( $form_id, $field_id, $starting_number - 1 );
}
}
return $unique;
}, 10, 3 );Since
This filter is available since Gravity Forms Unique ID 1.3.13.