<?php
if (isset($_POST['index_to_remove']) && $_POST['index_to_remove'] != "" {
// Access the array and run code to remove that array index
// Reomve functionality
$key_to_remove = $_POST['index_to_remove'];// hold array index to that variable and pass it to the local variable

if (count($_SESSION["cart_array"]) <= 1) { // if item greater than one
unset($_SESSION["cart_array"]);
// header("location: cart.php";
} else {
unset($_SESSION["cart_array"]["$key_to_remove"]);//correspond to the cart_item
//sort($_SESSION["cart_array"])
sort($_SESSION["cart_array"]); // sorting of all the multi- dimensional array

};
}