traviswaelbro/addtocart.php

## addtocart.php
<html>
	<body>
		<p>Running</p>
		<?php

			include_once "app/Mage.php";
			umask(0);
			Mage::app();
			Mage::getSingleton("core/session", array("name" => "frontend"));
			echo "Sorry, it looks like something might have gone wrong! You might <a href='javascript:history.back()'>go back</a> and try again.<br />"; // In case a customer ends up here with an error preventing redirect

			$cartProducts    = array();
			$productsArray   = array();
			$quantitiesArray = array();
			$relQuantities   = explode(',', $_POST['relQuantity']);

			// URL Components for redirect
			$source   = $_POST['source'];
			$medium   = $_POST['medium'];
			$campaign = $_POST['campaign'];
			$variant  = $_POST['variant'];

			// Get all products & quantities from POST data
			// Allows a variable number of products to be loaded into the file from an outside source.
			$n = 1;
			// echo "Product: ".$_POST['product'.$n]."<br/>";
			// echo "Quantity: ".$_POST['quantity'.$n]."<br/>";
			foreach($_POST as $k => $v) {
			    if(strpos($k, 'product') !== false) {
			        echo $k . " = " . $v . "<br/>";
			        array_push($productsArray, preg_replace('/[^A-z0-9-.,\/]/', '', $v) );
			    }
			    if(strpos($k, 'quantity') !== false) {
			        echo $k . " = " . $v . "<br/>";
			        array_push($quantitiesArray, preg_replace('/[^0-9]/', '', $v) );
			    }
			}

			// Apply the relative quantities throughout to get final quantities for all items
			// Allows a 'kit' to have pre-defined quantity relations between its products and
			// for a customer to say they want n times that kit.
			$n = 0;
			foreach ($relQuantities as $relQuantity) {
				$quantitiesArray[$n] = $relQuantity * $quantitiesArray[$n];
				$n++;
			}

			// Convert SKUs to IDs
			$n = 0;
			foreach ($productsArray as $product_sku) {
				$cartProducts[$n] = Mage::getModel("catalog/product")->getIdBySku( $product_sku );
				echo "Product SKU: ".$product_sku.", Product ID: ".$cartProducts[$n].", Quantity: ". $quantitiesArray[$n] ."<br />";
				$n++;
			}

			// Add all products to cart
			$n = 0;
			$cart = Mage::getSingleton('checkout/cart')->init();
			foreach($cartProducts as $product_id) {
				if($quantitiesArray[$n] != 0) {
					$product = Mage::getModel("catalog/product")->load($product_id);
					if($product->isGrouped()) {

						$super_group = array();
						$children = $product->getTypeInstance(true)->getAssociatedProducts($product);

						foreach($children as $child) {
							$super_group[$child->getId()] = $child->getQty();
						}

						$params = array('super_group' => $super_group);
						$repeat = $quantitiesArray[$n];

						for($p = 0; $p < $repeat; $p++) {
							$cart->addProduct($product, $params);
						}

					} else {
						$cart->addProduct($product, $quantitiesArray[$n]);
						$n++;
					}
				} else $n++;
			}

			foreach ($cart->getAll as $item) {
				echo $item->getSku() . " x" . $item->getQty() . "<br>";
			}

			// Save Cart contents, update, and redirect to Cart Review page
			$cart->save();
			Mage::getSingleton('customer/session')->setCartWasUpdated(true);
			Mage::getSingleton('core/session')->addSuccess('Products added to cart successfully. Enjoy!');
			$goToUrl = Mage::getBaseUrl()."checkout/cart/" . "?source=" . $source . "&medium=" . $medium . "&variant=" . $variant;
			Mage::app()->getResponse()->setRedirect($goToUrl)->sendResponse();
			exit;


			?>
			<p>Done! If you're still here, try clicking this link: <a href="<?php echo $goToUrl; ?>">Go To Cart</a></p> <?php // In case a customer ends up here with an error preventing redirect ?>
	</body>
</html>
	<html>
	<body>
	<p>Running</p>
	<?php

	include_once "app/Mage.php";
	umask(0);
	Mage::app();
	Mage::getSingleton("core/session", array("name" => "frontend"));
	echo "Sorry, it looks like something might have gone wrong! You might <a href='javascript:history.back()'>go back</a> and try again.<br />"; // In case a customer ends up here with an error preventing redirect

	$cartProducts = array();
	$productsArray = array();
	$quantitiesArray = array();
	$relQuantities = explode(',', $_POST['relQuantity']);

	// URL Components for redirect
	$source = $_POST['source'];
	$medium = $_POST['medium'];
	$campaign = $_POST['campaign'];
	$variant = $_POST['variant'];

	// Get all products & quantities from POST data
	// Allows a variable number of products to be loaded into the file from an outside source.
	$n = 1;
	// echo "Product: ".$_POST['product'.$n]."<br/>";
	// echo "Quantity: ".$_POST['quantity'.$n]."<br/>";
	foreach($_POST as $k => $v) {
	if(strpos($k, 'product') !== false) {
	echo $k . " = " . $v . "<br/>";
	array_push($productsArray, preg_replace('/[^A-z0-9-.,\/]/', '', $v) );
	}
	if(strpos($k, 'quantity') !== false) {
	echo $k . " = " . $v . "<br/>";
	array_push($quantitiesArray, preg_replace('/[^0-9]/', '', $v) );
	}
	}

	// Apply the relative quantities throughout to get final quantities for all items
	// Allows a 'kit' to have pre-defined quantity relations between its products and
	// for a customer to say they want n times that kit.
	$n = 0;
	foreach ($relQuantities as $relQuantity) {
	$quantitiesArray[$n] = $relQuantity * $quantitiesArray[$n];
	$n++;
	}

	// Convert SKUs to IDs
	$n = 0;
	foreach ($productsArray as $product_sku) {
	$cartProducts[$n] = Mage::getModel("catalog/product")->getIdBySku( $product_sku );
	echo "Product SKU: ".$product_sku.", Product ID: ".$cartProducts[$n].", Quantity: ". $quantitiesArray[$n] ."<br />";
	$n++;
	}

	// Add all products to cart
	$n = 0;
	$cart = Mage::getSingleton('checkout/cart')->init();
	foreach($cartProducts as $product_id) {
	if($quantitiesArray[$n] != 0) {
	$product = Mage::getModel("catalog/product")->load($product_id);
	if($product->isGrouped()) {

	$super_group = array();
	$children = $product->getTypeInstance(true)->getAssociatedProducts($product);

	foreach($children as $child) {
	$super_group[$child->getId()] = $child->getQty();
	}

	$params = array('super_group' => $super_group);
	$repeat = $quantitiesArray[$n];

	for($p = 0; $p < $repeat; $p++) {
	$cart->addProduct($product, $params);
	}

	} else {
	$cart->addProduct($product, $quantitiesArray[$n]);
	$n++;
	}
	} else $n++;
	}

	foreach ($cart->getAll as $item) {
	echo $item->getSku() . " x" . $item->getQty() . "<br>";
	}

	// Save Cart contents, update, and redirect to Cart Review page
	$cart->save();
	Mage::getSingleton('customer/session')->setCartWasUpdated(true);
	Mage::getSingleton('core/session')->addSuccess('Products added to cart successfully. Enjoy!');
	$goToUrl = Mage::getBaseUrl()."checkout/cart/" . "?source=" . $source . "&medium=" . $medium . "&variant=" . $variant;
	Mage::app()->getResponse()->setRedirect($goToUrl)->sendResponse();
	exit;


	?>
	<p>Done! If you're still here, try clicking this link: <a href="<?php echo $goToUrl; ?>">Go To Cart</a></p> <?php // In case a customer ends up here with an error preventing redirect ?>
	</body>
	</html>