Remove shipping phone field from PMPro checkout

remove-shipping-phone-field-pmpro.php

<?php
/**
 * Make phone field optional for shipping details.
 * Add this code to your site by following this guide - https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */
 
 function pmpro_remove_phone_shipping( $fields ) {
	unset( $fields['sphone'] );
	return $fields;
}
add_filter( 'pmproship_required_shipping_fields', 'pmpro_remove_phone_shipping', 10, 1 );