DescriptionUsageParametersExamplesPlacementSource Code
Description
Use this filter to specify the minimum year displayed in the date field』s year drop down and the HTML5 min attribute for the date field』s year input.
Usage
add_filter( 'gform_date_min_year', 'set_min_year' );
Parameters
$min_date string
The minimum date to be filtered. Defaults to 1920.
$form Form Object
Current form object.
$field Field Object
Current field object.
Examples
This example changes the minimum date to 1900.
add_filter( 'gform_date_min_year', 'set_min_year' );
function set_min_year( $min_year ) {
return 1900;
}
This example changes the min date for a specific field on a specific form.
add_filter( 'gform_date_min_year', function ( $min_year, $form, $field ) {
return $form['id'] == 7 && $field->id == 5 ? 2014 : $min_year;
}, 10, 3 );
Placement
This code should be placed in the functions.php file of your active theme.
Source Code
This filter is located in the following methods in includes/fields/class-gf-field-date.php:
GF_Field_Date::get_field_input()
GF_Field_Date::get_year_dropdown()