If you’re looking to add a discount programmatically to the cart without requiring the user to manually enter the coupon code, you’ll need to add custom code to your WooCommerce theme.
In this tutorial, I’ll show you how to automatically apply a discount coupon on the WooCommerce cart page using a simple PHP function.
// Automatically Apply Discount Coupon to the Cart in WooCommerce
function ts_apply_discount_to_cart() {
$order_total = WC()->cart->get_subtotal(); // Get the cart subtotal
// Check if the order total is greater than $100
if( $order_total > 100 ) {
$coupon_code = '10OFF'; // Your coupon code
// Apply the coupon if it hasn't been applied already
if ( ! WC()->cart->has_discount( $coupon_code ) ) {
WC()->cart->apply_coupon( sanitize_text_field( $coupon_code ) );
}
}
}
// Hook the function to the cart page
add_action( 'woocommerce_before_cart_table', 'ts_apply_discount_to_cart' );
function ts_apply_discount_to_cart() {
$order_total = WC()->cart->get_subtotal(); // Get the cart subtotal
// Check if the order total is greater than $100
if( $order_total > 100 ) {
$coupon_code = '10OFF'; // Your coupon code
// Apply the coupon if it hasn't been applied already
if ( ! WC()->cart->has_discount( $coupon_code ) ) {
WC()->cart->apply_coupon( sanitize_text_field( $coupon_code ) );
}
}
}
// Hook the function to the cart page
add_action( 'woocommerce_before_cart_table', 'ts_apply_discount_to_cart' );
Working of Code:
- The ts_apply_discount_to_cart() function is created to handle the automatic application of the coupon.
- We use WC()->cart->get_subtotal() to get the total amount in the cart.
- WC()->cart->apply_coupon() is used to apply the coupon.
- We also check if the coupon hasn’t already been applied using ! WC()->cart->has_discount().
- add_action( ‘woocommerce_before_cart_table’, ‘ts_apply_discount_to_cart‘ ); attaches our function to the cart page, ensuring the discount is applied when the cart loads.