Disable Dynamic Pricing with Coupon

disable-dynamic-pricing-with-coupons.php

add_filter( 'woocommerce_dynamic_pricing_process_product_discounts', 'dynamic_pricing_is_product_eligible', 10, 1 );
function dynamic_pricing_is_product_eligible( $apply ) {

//Change these to the codes that should disable dynamic pricing.  Add or remove as needed. 
	$coupon_codes = array(
		'cart discount',
		'another code',
		'third code'
	);


	foreach ( WC()->cart->get_applied_coupons() as $applied_coupon ) {
		if ( in_array( $applied_coupon, $coupon_codes ) ) {
			$apply = false;
		}
	}

	return $apply;
}