This article shows how to get custom option values of products/items added to cart or products of any order in Magento 2. I will simply be using ObjectManager for this example. Get custom options of products present in shopping cart $objectManager = \Magento\Framework\App\ObjectManager::getInstance(); $cart = $objectManager->get('\Magento\Checkout\Model\Cart'); // get cart items $items = $cart->getItems(); // get … Read more
This article shows how we can get list of all categories from current product or any particular product as well. Both ways (Dependency Injection & Object Manager way) are shown below: Using Dependency Injection (DI) Below is a block class of my custom module (Chapagain_HelloWorld). I have injected object of \Magento\Catalog\Model\ResourceModel\Category\CollectionFactory, \Magento\Catalog\Model\ProductRepository and \Magento\Framework\Registry classes … Read more
This article shows how you can upgrade/update your Magento 2 version through command line using composer. Upgrading to Magento 2.3.x is a bit different than that of Magento 2.2.x or 2.1.x. At first, I will show the commands that need to be run to upgrade Magento2 to version 2.1.x or 2.2.x. Upgrading Magento to 2.2.x … Read more
This article shows, how you can add a new column at the end of the admin grid or after any column of the admin grid in Magento 1.x. Suppose, you have a custom module and you need to add a column to product grid or order grid, etc. For this, you need to rewrite that … Read more
This article shows how to get shopping cart items/products, subtotal and grand total of cart, and shipping and billing address entered while doing checkout in Magento 2. I will be using both Dependency Injection (DI) and Object Manager in the below example code. Using Object Manager – Get products id, name, price, quantity, etc. present … Read more
This article shows how to write/run/execute custom SQL queries in Magento 2. We need to instantiate class Magento\Framework\App\ResourceConnection for this. You have to inject this resource class in your module’s Block/Model/Controller class constructor. After that, you can use that object to run custom sql queries. In this example, I will simply be using object manager … Read more
This article shows how to run Magento 2 code in an external file/script. The external file can be inside the Magento root folder or outside of it. This example considers that the file is present in the Magento 2 root folder. Let us name the file as abc.php. So, we want to execute some code … Read more
This article shows how you can override / rewrite Block, Controller, Model, and Helper in Magento 2. This can be done by two ways: 1) using Preference 2) using Plugin Preference is similar to class rewrite in Magento 1. There is always possibility of conflict when two or more custom modules try to rewrite/override same … Read more
Magento 2 provides a new feature called Plugin or Interceptor that is used to run some code before/after/around any function call of any public class. Hence, with the help of Plugins, we can change the behavior of class method without making any changes in the code of the class itself. This also avoids conflicts with … Read more