I am trying to sort the items based on the product ordered qty.

Is there any logical method to the way cart items are sorted by ordered qty?

  • did you find a solution for this? I am trying to sort items in minicart based on their price. – Korbin Jul 27 '18 at 7:37
  • @k185 have you found any clue from my answer below – Amrit Pal Singh Jul 30 '18 at 8:03
  • @AmritPalSingh I tried to extend the Cart.php but I keep getting 'php fatal error' sandbox.onlinephpfunctions.com/code/… – Korbin Aug 2 '18 at 12:14

You can use getItems() plugin to Sort Quote Items:

Create This Plugin

<type name="Magento\Checkout\Block\Cart">
        <plugin name="item_filter" type="[Your]\[Module]\Plugin\Checkout\Block\Cart" />

In Your Cart.php

public function afterGetItems(\Magento\Checkout\Block\Cart $subject){
     $items = [];
     $totalItems = [];
     $itemAdded = [];

     foreach ($subject->getQuote()->getAllItems() as $item) {
        $totalItems[] = $item->getId();

        if(/*Your Condition*/){
            /*you can sort item by qty wise*/
            /*you can get qty using $item->getQty();*/
           $itemAdded[] = $item;
           $items[] = $item;

     $result = array_diff($totalItems, $itemAdded);

     foreach ($result as $quoteid) {
            $item = $this->cart->getQuote()->getItemById($quoteid);
            $items[] = $item;

    return $items;
  • I am not sure how I should implement the Cart.php, I added the blog after 'public function getItems()' but after compile it shows MiBPHP Fatal error: Cannot declare class Magento\Checkout\Block\Cart, because the name is already in use in /var/www/MYSITE/vendor/MYSITE/MYMODULE/Plugin/Checkout/Block/Cart.php on line 272 – Korbin Aug 3 '18 at 6:42
  • @k185 you can give any other name also for cart.php. I have just created a after plugin for getItems() method. – Rizwan Khan Aug 3 '18 at 14:24
  • Or you might have given wrong namespace to that class .Magento\Checkout\Block\Cart, it should be Your\Module\Plugin\Checkout\Block\Cart – Rizwan Khan Aug 3 '18 at 14:30
  • 1
    @k185 does this works for you? – Rizwan Khan Aug 6 '18 at 16:22
  • that fixed the issue – Korbin Aug 8 '18 at 10:48

First create a plugin,

In di.xml use :

<type name="Magento\Checkout\CustomerData\Cart">
     <plugin name="SortByQty" type="Vendor\Module\Plugin\Cart"/>

Then in Cart.php add a function afterGetSectionData,

Now the logic will be done for sorting but i can tell the starting:

public function afterGetSectionData(\Magento\Checkout\CustomerData\Cart $subject, $result){

        $items = $result['items'];

        foreach ($items as $key => $value) {
            $_productId = $value['product_id'];
            $_productPrice = $value['product_price_value'];
            $_productQty = $value['qty'];
            $_productTotal = $_productPrice * $_productQty;

         $data = [
            'items' => $items

        return $result = array_merge($data, $result);

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