WooCommerce Disable Payment Gateway Based On Shipping Method

Pre-Requisites

You’ll need the shipping method radio button value and payment gateway ID you wish to disable.

How To Implement This Solution?

Simply copy the pre-coded solution to your active theme’s functions.php or preferably the Code Snippets Plugin.

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About This Solution

If you do not have the facility to take payments other than cash for in-person shipping methods like local pickup, you may wish to disable the appropriate payment gateways and force the customer to pay by cash for example. This quick guide shows you how to do exactly that.

/*
* Snippet Name:		Payment gateway dependent shipping methods
* Snippet Author:	ecommercehints.com
*/

add_filter('woocommerce_available_payment_gateways', 'ecommercehints_payment_dependent_delivery');

function ecommercehints_payment_dependent_delivery($gateways) {
	if(is_admin()) {
		return $gateways;
	}

	if(is_wc_endpoint_url('order-pay')) {
		$order = wc_get_order(wc_get_order_id_by_order_key($_GET['key']));
		if($order->has_shipping_method('local_pickup')) {
			if(isset($gateways['cheque'])) { // Cheque payments will be disabled
				unset($gateways['cheque']);
			}
		}

	} else {
		$chosen_shipping_method = WC()->session->get('chosen_shipping_methods')[0];

		if ('local_pickup:2' === $chosen_shipping_method) { //shipping method radio button value
			if(isset($gateways['cheque'])) {
				unset($gateways['cheque']);
			}
		}
	}

	return $gateways;
}