PMPro - Remove state from required billing fields and hide it the state field.

unset-and-hide-billing-state-field.php

<?php // Do NOT copy this line

/* Copy from below this line */

/*
Remove state from required billing fields and hide it the state field.
*/

// Unset state
function my_pmpro_required_billing_fields( $fields ) {
	if ( is_array( $fields ) ) {
		unset( $fields['bstate'] );
	}
	return $fields;
}
//run it later in the queue if necessary if other plugins or code sets fields required, e.g. change 50 to a higher number.
add_action( 'pmpro_required_billing_fields', 'my_pmpro_required_billing_fields', 50, 1 );

// Hide state form field by adding CSS to the page head.
add_action( 'wp_head', 'wp_head_hide_billing_state_field' );
function wp_head_hide_billing_state_field() {
	global $pmpro_pages;
	if ( empty( $pmpro_pages ) || ( ! is_page( $pmpro_pages['checkout'] ) && ! is_page( $pmpro_pages['billing'] ) ) ) {
		return;
	}
	?>
	<style>
		div.pmpro_checkout-field-bstate {
		display: none;
		}
	</style>
	<?php
}