WP Simple Pay: Add Customer Phone to Customer Metadata

/**

 * @link https://library.wpcode.com/snippet/d2zk7n2x/

 */

add_filter(

	'simpay_get_customer_args_from_payment_form_request',

	/**

	 * @param array $args

	 * @return array

	 */

	function( $args ) {

		if ( isset( $args['phone'] ) ) {

			$args['metadata']['phone'] = $args['phone'];

		}

		return $args;

	}

);