Create Additional Formats for the Date Field

/* 

Add additional formats for the Date field Date Picker. 

Original doc link: https://wpforms.com/developers/how-to-create-additional-formats-for-the-date-field/

For support, please visit: https://www.facebook.com/groups/wpformsvip

*/

function wpf_dev_date_field_formats( $formats ) {

    // Item key is JS date character - see https://flatpickr.js.org/formatting/

    // Item value is in PHP format - see http://php.net/manual/en/function.date.php

    // Adds new format Monday, 20th of December 2021

    $formats[ 'l, J \of F Y' ] = 'l, jS \of F Y';

	$formats[ 'l, J F Y' ] = 'l, jS F Y';

	$formats[ 'j-m-y' ] = 'j-m-y';

    return $formats;

}

add_filter( 'wpforms_datetime_date_formats', 'wpf_dev_date_field_formats', 10, 1 );