Automatically Add Product to Cart

Detect if a product is in the cart and add it by product ID as soon as a visitor is on your website. This is a great way to promote materials, or donations:

/*

 * goes in theme functions.php or a custom plugin

 **/

// add item to cart on visit

add_action( 'template_redirect', 'add_product_to_cart' );

function add_product_to_cart() {

	if ( ! is_admin() ) {

		$product_id = 64;

		$found = false;

		//check if product already in cart

		if ( sizeof( WC()->cart->get_cart() ) > 0 ) {

			foreach ( WC()->cart->get_cart() as $cart_item_key => $values ) {

				$_product = $values['data'];

				if ( $_product->id == $product_id )

					$found = true;

			}

			// if product not found, add it

			if ( ! $found )

				WC()->cart->add_to_cart( $product_id );

		} else {

			// if no products in cart, add it

			WC()->cart->add_to_cart( $product_id );

		}

	}

}

Sourced here.

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I’m an African / Ojibwe First Nations Web Developer living in Winnipeg, Manitoba.

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