WooCommerce: Add product to cart with price override?

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轮回少年
轮回少年 2020-11-27 13:53
$replace_order = new WC_Cart();
$replace_order->empty_cart( true );
$replace_order->add_to_cart( \"256\", \"1\");

The above code add product

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  • 2020-11-27 14:00

    Here is the code for overriding price of product in cart

    add_action( 'woocommerce_before_calculate_totals', 'add_custom_price' );
    
    function add_custom_price( $cart_object ) {
        $custom_price = 10; // This will be your custome price  
        foreach ( $cart_object->cart_contents as $key => $value ) {
            $value['data']->price = $custom_price;
            // for WooCommerce version 3+ use: 
            // $value['data']->set_price($custom_price);
        }
    }
    

    Hope it will be useful...

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  • 2020-11-27 14:00

    I have tried all above code samples and latest woocommerce 3.0 is not support any of the above example. Use below code and working perfectly for me.

    add_action( 'woocommerce_before_calculate_totals', 'add_custom_price' );
    
    function add_custom_price( $cart_object ) {
        $custom_price = 10; // This will be your custom price  
        foreach ( WC()->cart->get_cart() as $cart_item_key => $cart_item ) {
            $cart_item['data']->set_price($custom_price);   
        }
    }
    
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  • 2020-11-27 14:03

    To make it dynamic ( override price for each item in cart separately ), you need to save the override product price in session with cart item key as session key using woocommerce_add_to_cart hook.

    by using these session values you can calculate correct Cart Total and make the altered price appear in the Order Item as well

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  • 2020-11-27 14:09

    After release of woocommerce version 3.0.0 product price is update on add to cart using set_price($price) function. The example is given as below :

    add_action( 'woocommerce_before_calculate_totals', 'mj_custom_price' );
    
    function mj_custom_price( $cart_object ) {
       $woo_ver = WC()->version; 
       $custom_price = 10;
       foreach ( $cart_object->cart_contents as $key => $value )
       {
           if($woo_ver < "3.0.0" && $woo_ver < "2.7.0")
           {
               $value['data']->price = $custom_price;
           }
           else
           {
               $value['data']->set_price($custom_price);
           }
       }            
    }
    

    Many Thanks

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  • 2020-11-27 14:10

    With WooCommerce 2.5 I found this to be a 2-part process. The first step is to change the run-time display of pricing when added to the cart via the woocommerce_add_cart_item filter. The second part is to set the persistent session data which is read during checkout via the woocommerce_get_cart_item_from_session filter. This seems to be faster than hooking the calculate totals filters (such as woocommerce_before_calculate_totals) as they are run very frequently in WooCommerce.

    More details here: woocommerce change price while add to cart

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  • 2020-11-27 14:13

    This is how i did it, first i add my custom price to cart_item_data witch can save custom data to cart items, then i use woocommerce_before_calculate_totals, loop the cart and add the previously added price.

    function add_donation_to_cart() { 
    
        $cart_item_data = array('price' => $_REQUEST['donate_amount']);
        $woocommerce->cart->add_to_cart( 5395, 1, '', array(), $cart_item_data);
    }
    
    
    add_action( 'woocommerce_before_calculate_totals', 'add_custom_price' );
    
    function add_custom_price( $cart ) {
        foreach ( $cart->cart_contents as $key => $value ) {
            $value['data']->price = $value['price'];
        }
    }
    
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