How to Send Custom Calculated Price in Woocommerce Cart and Checkout.

How to Send Custom Calculated Price in Woocommerce Cart and Checkout.

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Hey folks, Want Complete Woocommerce Cart and Checkout data customization?

Recently a few days ago I was working for a client on a Woocommerce project that’s totally based on Woocommerce Customization. So Now, I am going to tell you with the help of a small module. after that, you will confident to send Woocommerce custom data to cart page and checkout page as well.

Hope you will find that useful, so here we go

First we need to work on theme’s functions.php file. So make sure you are there.
because you will only able to update Woocommerce price with your custom values and data with the help of Woocommerce hooks and filters only. and for that, we need to code everything within functions.php file right.

So What you have to do next?

Step 1:- You need to create some custom hidden fields to send custom data that will show on single product page. for example a working demo like here:-

add_action('woocommerce_before_add_to_cart_button', 'custom_data_hidden_fields');
function custom_data_hidden_fields() {
    echo '<div class="imput_fields custom-imput-fields">
        <label class="price_prod">price: <br><input type="text" id="price_prod" name="price_prod" value="" /></label>
        <label class="quantity_prod">quantity: <br>
            <select name="quantity_prod" id="quantity_prod">
                <option value="1" selected="selected">1</option>
                <option value="2">2</option>
                <option value="3">3</option>
                <option value="4">4</option>
                <option value="5">5</option>

Step 2:- Now after done that you need to write the main logic for Save all Products custom fields to your cart item data, follow the below codes.

// Logic to Save products custom fields values into the cart item data
add_action( 'woocommerce_add_cart_item_data', 'save_custom_data_hidden_fields', 10, 2 );
function save_custom_data_hidden_fields( $cart_item_data, $product_id ) {
    $data = array();
    if( isset( $_REQUEST['price_prod'] ) ) {
        $cart_item_data['custom_data']['price_pro'] = $_REQUEST['price_prod'];
        $data['price_pro'] = $_REQUEST['price_prod'];
    if( isset( $_REQUEST['quantity_prod'] ) ) {
        $cart_item_data['custom_data']['quantity'] = $_REQUEST['quantity_prod'];
        $data['quantity'] = $_REQUEST['quantity_prod'];
    // below statement make sure every add to cart action as unique line item
    $cart_item_data['custom_data']['unique_key'] = md5( microtime().rand() );
    WC()->session->set( 'price_calculation', $data );
    return $cart_item_data;

Step 3: you’re almost done just one last step you need to follow So What’s next? you need to override the item price with your custom calculation. It will work with your every scenario of your single product sessions.

// Replace the item price by your custom calculation
add_action( 'woocommerce_before_calculate_totals', 'add_custom_item_price', 10 );
function add_custom_item_price( $cart_object ) {

    foreach ( $cart_object->get_cart() as $item_values ) {

        ##  Get cart item data
        $item_id = $item_values['data']->id; // Product ID
        $original_price = $item_values['data']->price; // Product original price

        ## Get your custom fields values
        $price1 = $item_values['custom_data']['price1'];
        $quantity = $item_values['custom_data']['quantity'];

        ## Make HERE your own calculation 
        $new_price = $price1 ;

        ## Set the new item price in cart

Krishna Gupta

Krishna Ballabh Gupta is a Gold Medalist Full Stack Developer & Algorithm Designer and Founder of TechnologyShouters. He generally Blogs about Python, JavaScript, jQuery, AngularJS, Database, PHP, AJAX and something that interesting.

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