Show hide accesspoint location based on chosen shipping methods.

functions.php

/**
 * Show hide accesspoint location based on chosen shipping methods.
 * Created at : 18 Dec 2018
 * PluginHive Plugins : https://www.pluginhive.com/plugins/
 */
add_action( 'wp_footer', 'conditionally_hidding_billing_custom_field' );
function conditionally_hidding_billing_custom_field(){
    // Only on checkout page
    if( ! is_checkout() ) return;
    ?>
    <script>
        jQuery(function($){

    		var shipping_method = ['wf_shipping_ups:08'];    // array of shipping methods to hide accesspoint location.
            var sm  = 'input[name^="shipping_method"]',
                smc = sm + ':checked',
                cbf = '#shipping_accesspoint_field';

            // Function that shows or hide imput select fields
            function showHide( selector = '', action = 'show' ){
                if( action == 'show' )
                	{
                    	$('#shipping_accesspoint').val('');
	                    $(selector).show( 200, function(){
	                    });
	                }
                else
                	{
                    	$('#shipping_accesspoint').val('');
	                    $(selector).hide( 200, function(){
	                    });
	                }
            }
            if( shipping_method.indexOf($(smc).val())!='-1' )
                showHide( cbf, 'hide' );

            $( 'form.checkout' ).on( 'change', sm, function() {
                if( shipping_method.indexOf($(smc).val())!='-1' )
                    showHide( cbf, 'hide' );
                else
                    showHide( cbf );
            });
        });
    </script>
    <?php
}

// define the woocommerce_review_order_before_submit callback 
function woocommerce_checkout_update_order_meta( $order_id ) { 
	$shipping_methods= ['wf_shipping_ups:08'];    // array of shipping methods to hide accesspoint location.
	$shipping_method=WC()->session->get( 'chosen_shipping_methods' );
	if(!empty($shipping_method))
	{
		$shipping_method=strtolower($shipping_method[0]);
		if(in_array($shipping_method, $shipping_methods))
		{
			delete_post_meta($order_id, '_shipping_accesspoint');
		}
	}
} 
         
// add the action 
add_action( 'woocommerce_checkout_update_order_meta', 'woocommerce_checkout_update_order_meta', 10, 1 );