How to Override Extension File in Theme in Magento 2

February 16, 2023

Magento 2 is a popular open-source e-commerce platform that is widely used by online businesses to build and manage their e-commerce websites. Magento 2 provides a lot of features that make it easy to customize the platform to meet specific business requirements. One of these features is the ability to override extension files in a theme. In this article, we will discuss how to override extension files in a theme in Magento 2.

Before we get started, it's important to understand what exactly an extension is in Magento 2. An extension is a module that adds new functionality to the Magento 2 platform. Extensions can be installed in two ways: through the Magento Marketplace or by downloading and installing them manually.

Now, let's get into how to override extension files in a theme in Magento 2.

Step 1: Create a new theme

The first step is to create a new theme. You can do this by navigating to the app/design/frontend directory in your Magento 2 installation and creating a new directory for your theme. For example, if you want to create a theme called "mytheme," you would create a directory called mytheme.

Step 2: Create a new module

The next step is to create a new module. You can do this by navigating to the app/code directory in your Magento 2 installation and creating a new directory for your module. For example, if you want to create a module called "mymodule," you would create a directory called mymodule.

Step 3: Create a registration.php file

In the directory for your new module, create a registration.php file. This file is used to register your module with Magento 2. Here is an example of what the registration.php file should look like:

Step 4: Create a etc/module.xml file

In the directory for your new module, create a etc/module.xml file. This file is used to define the module and its dependencies. Here is an example of what the etc/module.xml file should look like:

Step 5: Create a etc/di.xml file

In the directory for your new module, create a etc/di.xml file. This file is used to override the extension file with your own file. Here is an example of what the etc/di.xml file should look like:

In this example, we are overriding the file.phtml file of the Vendor_Extension extension with our own file.phtml file from the My_Module module.

Step 6: Create your own extension file

In the directory for your new module, create your own extension file. For example, if you want to override the file.phtml file of the Vendor_Extension extension, you would create a file.phtml file in the My_Module module.

Step 7: Enable the new module and new theme

Now that you have created a new theme and a new module, you need to enable them in Magento 2. You can do this by running the following commands from your Magento 2 root directory:

Step 8: Verify the extension file override

To verify that the extension file has been overridden successfully, you can navigate to the page where the original extension file was being used and verify that your new file is being used instead.

In conclusion, overriding extension files in a theme in Magento 2 is a powerful feature that allows you to customize your e-commerce website to meet your specific business requirements. By following the steps outlined in this article, you can override extension files with your own files in just a few easy steps. It's important to remember to test your changes thoroughly to ensure that they do not cause any unintended side effects on your website.

Reference

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https://steemit.com/magento2/@priyasadrani/how-to-override-extension-file-in-theme-in-magento-2

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https://adfty.biz/technology/how-to-override-extension-file-in-theme-in-magento-2/

https://www.uplabs.com/posts/how-to-override-extension-file-in-theme-in-magento-2