Add Custom Cart Item Data in WooCommerce

WooCommerce lets you add your own custom cart item data by using hooks provided by WooCommerce. Here’s a full plugin code you can modify accordingly:

/**
 * Plugin Name: Product Course
 * Description: Add Custom Cart Item Data in WooCommerce
 * Version: 1.0
 * Author: Gaurav
 */

function wd_get_item_data($item_data, $cart_item_data)
{
    if (isset($cart_item_data["custom_date"])) {
        $item_data[] = [
            "key" => __("Date", "wd"),
            "value" => wc_clean($cart_item_data["custom_date"]),
        ];
    }
    return $item_data;
}
add_filter("woocommerce_get_item_data", "wd_get_item_data", 10, 2);

function register_shortcodes()
{
    if ($_POST["addtocart"] != "") {
        global $woocommerce;
        foreach ($_POST["ccart"]["checked"] as $key => $val) {
            $woocommerce->cart->add_to_cart(
                $_POST["ccart"]["pid"][$key],
                $_POST["ccart"]["qty"][$key],
                0,
                [],
                ["custom_date" => $_POST["ccart"]["date"][$key]]
            );
        }

        wp_redirect("/cart");
        exit();
    }
    add_shortcode("PRODUCT_COURSE", "warrendigital_product_course");
}

add_action("init", "register_shortcodes");

function warrendigital_product_course($atts)
{
    extract(
        shortcode_atts(
            [
                "id" => 1,
            ],
            $atts
        )
    );

    $ret .= '

	     
	    
 

	          
	         Course Name
	         Date
	         Day / Duration
	         Price
	         Quantity
	     
';

    $postid = $id;
    $i = 0;
    if (get_field("product_course", $postid)) {
        $reapte_course = get_field("reapte_course", $postid);

        for ($d = 0; $d < $reapte_course; $d++) {
            while (the_repeater_field("product_course", $postid)) {
                $productId = get_sub_field("product");
                $pday = get_sub_field("day");
                $product = wc_get_product($productId);

                for ($day = 0; $day < 7; $day++) {
                    if ($pday != $day) {
                        continue;
                    }

                    if ($d > 0) {
                        $pday = $pday + $d * 7;
                    }

                    if (
                        date("d-m-Y", strtotime("+$pday days")) == date("d-m-Y")
                    ) {
                        continue;
                    } //check not same day

                    $fdate = date("j F Y", strtotime("+$pday days"));

                    $ret .=
                        '
';

                    $ret .=
                        '' .
                        $product->get_title() .
                        "";

                    $ret .=
                        '' .
                        $fdate .
                        '';

                    $ret .=
                        '' .
                        date("l", strtotime("+$pday days")) .
                        " / " .
                        get_sub_field("duration") .
                        " Day";

                    $ret .=
                        '' .
                        $product->get_price_html() .
                        "";

                    $ret .=
                        '
';
                }
            }
        }
    }

    echo $ret .= '
		
		
';
}

/**
 * Add custom meta to order
 */
function wdn_checkout_create_order_line_item(
    $item,
    $cart_item_key,
    $values,
    $order
) {
    if (isset($values["custom_date"])) {
        $item->add_meta_data(__("Date", "wd"), $values["custom_date"], true);
    }
}
add_action(
    "woocommerce_checkout_create_order_line_item",
    "wdn_checkout_create_order_line_item",
    10,
    4
);