If you wish to add a product to the cart programmatically in WooCommerce, you can do so by adding an action hook and a callback function containing the logic to do so.
We can add product to WooCommerce cart using add_to_cart() function with $product_id.
<?php
add_action( 'wp', 'cxc_woocommerce_add_product_to_cart' );
function cxc_woocommerce_add_product_to_cart() {
$product_id = 10; // product ID to add to cart
WC()->cart->empty_cart();
WC()->cart->add_to_cart( $product_id );
}
?>Code goes in function.php file of your active child theme (or active theme).
Alternative solutions
<?php
/**
* Cxc Automatically add product to cart
*/
add_action( 'template_redirect', 'cxc_woocommerce_add_product_to_cart' );
function cxc_woocommerce_add_product_to_cart() {
if ( ! is_admin() ) {
$product_id = 10; // Product ID
$cxc_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->get_id() == $product_id )
$cxc_found = true;
}
if ( ! $cxc_found ){
WC()->cart->add_to_cart( $product_id );
}
} else {
WC()->cart->add_to_cart( $product_id );
}
}
}
?>Cxc Add another product depending on the cart total
<?php
/**
* Cxc Add another product depending on the cart total WooCommerce
*/
add_action( 'template_redirect', 'cxc_woocommerce_add_product_to_cart' );
function cxc_woocommerce_add_product_to_cart() {
if ( ! is_admin() ) {
global $woocommerce;
$product_id = 10; // Product ID
$cxc_found = false;
$cart_total = 300; //replace with your cart total
if( $woocommerce->cart->total >= $cart_total ) {
//check if product already in cart
if ( sizeof( $woocommerce->cart->get_cart() ) > 0 ) {
foreach ( $woocommerce->cart->get_cart() as $cart_item_key => $values ) {
$_product = $values['data'];
if ( $_product->get_id() == $product_id )
$cxc_found = true;
}
if ( ! $cxc_found ){
$woocommerce->cart->add_to_cart( $product_id );
}
} else {
$woocommerce->cart->add_to_cart( $product_id );
}
}
}
}
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