Remove shipping phone field from PMPro checkout

remove-shipping-phone-field-pmpro.php

<?php
/**
 * This recipe makes the shipping phone field, sphone, optional and hides the field on the checkout form.
 * default user account email on renewal.
 *
 * You can add this recipe to your site by creating a custom plugin
 * or using the Code Snippets plugin available for free in the WordPress repository.
 * Read this companion article for step-by-step directions on either method.
 * https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */

function pmpro_remove_phone_shipping( $fields ) {
	// make optional
	unset( $fields['sphone'] );
	return $fields;
}
add_filter( 'pmproship_required_shipping_fields', 'pmpro_remove_phone_shipping', 10, 1 );

function wp_head_hide_sphone_field() {
	// bail if shipping address add on not active
	if ( ! defined( 'PMPRO_SHIPPING_VERSION' ) ) {
		return;
	}
	global $pmpro_pages;
	if ( ! is_admin() && ! empty( $pmpro_pages ) && ( is_page( $pmpro_pages['checkout'] ) || is_page( $pmpro_pages['billing'] ) ) ) {
		?>
		<style>
			#shipping-fields .pmpro_checkout-field-sphone {
				display: none;
			}
		</style>
		<?php
	}
}
add_action( 'wp_head', 'wp_head_hide_sphone_field' );