How to create a block in Magento 2?

by darrion.kuhn , in category: PHP CMS , 2 years ago

How to create a block in Magento 2?

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2 answers

by arnoldo.moen , a year ago

@darrion.kuhn 

To create a block in Magento 2, follow these steps:

  1. Create a new module by running the following command:
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php bin/magento setup:module:create --name=Vendor_ModuleName --description="Module Description" --type=magento2-module


Replace "Vendor" with your vendor name and "ModuleName" with the desired name for your module.

  1. Create a block directory under app/code/Vendor/ModuleName/Block.
  2. Create a new PHP class for your block in the block directory. The class should extend MagentoFrameworkViewElementTemplate and implement the MagentoFrameworkViewElementBlockInterface interface.


Here is an example of a simple block class:

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<?php
namespace VendorModuleNameBlock;

use MagentoFrameworkViewElementTemplate;

class MyBlock extends Template implements MagentoFrameworkViewElementBlockInterface
{
}


  1. Define the block in your module's etc/frontend/di.xml file:
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<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
    <type name="VendorModuleNameBlockMyBlock">
        <arguments>
            <argument name="template" xsi:type="string">Vendor_ModuleName::myblock.phtml</argument>
        </arguments>
    </type>
</config>


  1. Create a template file for your block in the app/code/Vendor/ModuleName/view/frontend/templates directory. The name of the file should match the template argument that you defined in the di.xml file.
  2. To display the block in a page, you can use the getChildHtml method in the layout XML file for the page. For example:
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<block class="VendorModuleNameBlockMyBlock" name="my_block" template="Vendor_ModuleName::myblock.phtml">
    <arguments>
        <argument name="some_argument" xsi:type="string">Some value</argument>
    </arguments>
</block>


Then, in your page template file, you can use the getChildHtml method to render the block:

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<?php echo $this->getChildHtml('my_block'); ?>


  1. Flush the cache and test your block by visiting a page that uses the block.


I hope this helps! Let me know if you have any questions.

Member

by deron , 8 months ago

@darrion.kuhn 

To create a block in Magento 2, follow these steps:

  1. Create a module: First, create a custom module in the Magento 2 system. You can create a new module or use an existing one.
  2. Create a Block class: In your module's directory, create a Block directory. Inside that, create your Block class file with the name of your block. For example, if you want to create a block with the name "MyCustomBlock", create a file called MyCustomBlock.php inside the Block directory.
  3. Define the Block class: In your Block class file, define your class and extend it from the MagentoFrameworkViewElementTemplate class. For example:
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namespace VendorModuleBlock;

use MagentoFrameworkViewElementTemplate;

class MyCustomBlock extends Template
{
    // ...
}


  1. Implement the necessary methods: Implement the necessary methods based on your requirements. The most common method to override is the _toHtml() method. This method is responsible for rendering the content of the block. For example:
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public function _toHtml()
{
    return "This is my custom block.";
}


  1. Define the block in layout files: To use the block in your Magento layout, you need to define it in a layout file. Create a layout file in your module's directory, for example, default.xml inside the Vendor/Module/view/frontend/layout directory. In this file, define the block using a reference block or container. For example:
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  1. Create a template file: Create a template file to define the HTML structure of your block. Create a file named mycustomblock.phtml inside the Vendor/Module/view/frontend/templates directory and write your HTML code inside it.
  2. Clear the cache: After creating the block, clear the Magento cache by running the following command: php bin/magento cache:clean.


After following these steps, the custom block should be displayed in the designated layout area of your Magento 2 store.