add-to-cart.php woocommerce code example
Example: add_to_cart how to call it woocommerce
add_action( 'template_redirect', 'quadlayers_add_to_cart_function' );
function quadlayers_add_to_cart_function () {
$product_id = 1326;
if ( WC()->cart->get_cart_contents_count() == 0 ) {
WC()->cart->add_to_cart( $product_id );
}
}