How to Override Block, Model, and Controller in Magento 2

Magento 2 CMS offers flexible options to customize the default configurations. The customized features are helpful to offer enhanced customer experience, easy administration, improved SERPs and sales!

However, it is advisable to override block, model, and controller in Magento 2 than editing the core files. This guide walks you through the method to overriding block, model, controller, giving you the flexibility to make changes in the core functionalities.

The Magento 2 Controller is responsible for handling the incoming requests. Blocks are PHP classes used to connect or create a link between layout and templates. The Model represents the data of the application in MVC.

 

Method to Override Block, Model, and Controller in Magento 2:

  • Magento 2 override Model class using di.xml

    Use the following code to override Magento\ConfigurableProduct\Model\ConfigurableAttributeDataCreate file [Vendor]\[Module]\etc\di.xml
    Create class [Vendor]\[Module]\Model\Rewrite\ConfigurableAttributeData to override Magento Model
     
  • Magento 2 override block class using di.xmlCreate file : [Vendor]\[Module]\etc\di.xml
    Create class [Vendor]\[Module]\Block\Rewrite\Product\Renderer\Configurable to override Magento block
     
  • Magento 2 override controller class using di.xml Create file : [Vendor]\[Module]\etc\di.xml
    Create class [Vendor]\[Module]\Controller\Product\Gallery to override Magento block
     

That’s all to override block, model, and controller in Magento 2!

Seems pretty much tedious, isn’t?

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Also, doubts in the above method are welcomed in the comments section.

Happy Customization

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How to Override Block, Model, and Controller in Magento 2Author Magento Badge

Sanjay Jethva

Sanjay is a co-founder at Meetanshi. He is a Certified Magento Developer who loves creating Magento E-commerce solutions. Owing to his contributions in Magento Forums and posting solutions, he is among the top 50 contributors of the Magento community in 2019. When he is not engrossed with anything related to Magento, he loves to play cricket.

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