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Restrict Coupons by Shipping Methods

To find your exact shipping method IDs, you can use either of these quick methods:

1. The URL Method: Go to WooCommerce → Settings → Shipping, click into each shipping zone, and hover over the shipping method link. The instance ID will be visible in your browser's URL preview at the bottom (e.g., instance_id=1 translates to flat_rate:1).

2. The Debug Method: Alternatively, you can temporarily add var_dump( WC()->session->get('chosen_shipping_methods') ); to your template files on a staging environment to see exactly which active IDs are currently in use during checkout.

Advanced Coupons Team PRO

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php


	`<?php`
	`add_filter( 'woocommerce_coupon_is_valid', function( $valid, $coupon, $discount ) {`
	`// List the coupon codes to restrict (lowercase)`
	`$restricted_coupons = [ 'your-coupon-code' ];`

	`if ( ! in_array( strtolower( $coupon->get_code() ), $restricted_coupons, true ) ) {`
	`return $valid;`
	`}`

	`// Allowed shipping method IDs — find these in WooCommerce > Settings > Shipping`
	`// Format is usually 'method_id:instance_id', e.g. 'flat_rate:1', 'free_shipping:3', 'local_pickup:2'`
	`$allowed_methods = [ 'flat_rate:1', 'free_shipping:10' ];`

	`$chosen = WC()->session ? WC()->session->get( 'chosen_shipping_methods', [] ) : [];`

	`foreach ( $chosen as $method ) {`
	`if ( in_array( $method, $allowed_methods, true ) ) {`
	`return $valid;`
	`}`
	`}`

	`return false;`
	`}, 10, 3 );`

add_filter( 'woocommerce_coupon_is_valid', function( $valid, $coupon, $discount ) {
      // List the coupon codes to restrict (lowercase)
      $restricted_coupons = [ 'your-coupon-code' ];

      if ( ! in_array( strtolower( $coupon->get_code() ), $restricted_coupons, true ) ) {
          return $valid;
      }

      // Allowed shipping method IDs — find these in WooCommerce > Settings > Shipping
      // Format is usually 'method_id:instance_id', e.g. 'flat_rate:1', 'free_shipping:3', 'local_pickup:2'
      $allowed_methods = [ 'flat_rate:1', 'free_shipping:10'  ];

      $chosen = WC()->session ? WC()->session->get( 'chosen_shipping_methods', [] ) : [];

      foreach ( $chosen as $method ) {
          if ( in_array( $method, $allowed_methods, true ) ) {
              return $valid;
          }
      }

      return false;
  }, 10, 3 );

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Restrict Coupons by Shipping Methods

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