<?php
require_once 'cart_functions.php';
//add item to cart
if (isset($_POST['pid']) && isset($_POST['qty'])) {
$pid = $_POST['pid'];
$qty = $_POST['qty'];
if (isset($_POST['slct'])) {
$selection = $_POST['slct'];
} else {
$selection = false;
}
}
if (isset($pid)) {
$item_id = check_product_in_cart($pid, false, $selection);
if ($item_id) {
update_cart($item_id, $qty);
} else {
add_to_cart($pid, $selection);
}
//adds one to the cart
}
$count = count_items();
echo json_encode(array("count" => "{$count}"));
@($qnty = $_POST['qty']);
if ((isset($pID) || isset($cID)) && isset($_POST['qty'])) {
if (isset($_POST['visible'])) {
// this is used to change the visibility of the update(quantity) button.
$visible = $_POST['visible'];
//$_POST['visible'] is an array sent from the ajax call already
$visible[$cID] = "no";
// this simply turns the update button with the product id of where it came from to "no"
}
if (isset($_POST['quantArr'])) {
// if user has tried to change two quantities at once, after they've updated one the other will remain where they left it until they update that one.
$quantarr = $_POST['quantArr'];
//this is an array of all of the quantities in the cart sent by the form
}
if (isset($pID)) {
$cID = check_product_in_cart($pID);
}
if ($cID && $qnty != 0) {
update_cart($cID, $qnty);
//$qnty is how many to add on to what is already in the cart
} else {
if ($qnty != 0 && isset($pID)) {
add_to_cart($pID);
//adds one to the cart
} else {
if ($qnty == 0 && $cID) {
update_cart($cID, $qnty);
}
}
}
}