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Magento 2 create  and use helper

Using helper you can put your methods in there that you have no idea where to put them. For example if you want create the thumbnail of image you use the helper method. The method you don’t know where to put put in helper class.

Now creating the helper and use of it.

Create Helper folder in module directory.



namespace QaisarSatti\HelloWorld\Helper

 

Now create the your helper class what name you want to put.In my case i will use Data file. Now the complete path will be.

namespace QaisarSatti\HelloWorld\Helper\Data.php



This file will be extend with.



 \Magento\Framework\App\Helper\AbstractHelper



Now create helper Data class.

 


<?php

/**

* Simple Hello World Module

*

* @category QaisarSatti

* @package QaisarSatti_HelloWorld

* @author Muhammad Qaisar Satti

* @Email [email protected]

*

*/


namespace QaisarSatti\HelloWorld\Helper;



use Magento\Store\Model\Store;



class Data extends \Magento\Framework\App\Helper\AbstractHelper

{



public function getTitle()

{

return  'First Hello World Module';

}

}

Now we will use helper method  in our block.

<?php

/**

* Simple Hello World Module

*

* @category QaisarSatti

* @package QaisarSatti_HelloWorld

* @author Muhammad Qaisar Satti

* @Email [email protected]

*

*/


namespace QaisarSatti\HelloWorld\Block;

class HelloWorld extends \Magento\Framework\View\Element\Template

{

protected $_helper;

public function __construct(

\QaisarSatti\HelloWorld\Helper\Data $_helper,

) {



$this->_helper=$_helper;



}

public function _prepareLayout()

{

parent::_prepareLayout();

$this->pageConfig->getTitle()->set($this->_helper->getTitle());

return $this;

}

}
Author: Qaisar Satti
Category: Magento 2
Last Modified: July 12, 2018



Magento 2 Override default theme template files

If you are doing the custom theme then you must know how in Magento 2 Override default theme template files in your custom theme.You want to override all the files then simply go to.

vendor/magento/module-theme/view/frontend/

And copy the templates folder in your theme. In my case theme name is theme. So in my theme folder create the Magento_Theme Folder. And paste the templates folder there. Now your theme structure will look like this.

app/design/frontend/QaisarSatti/theme/Magento_Theme/templates

If you want override the single file like header.phtml. Then copy file from

vendor/magento/module-theme/view/frontend/templates/html/header.phtml

Paste in your theme. And file structure will look like

app/design/frontend/QaisarSatti/theme/Magento_Theme/templates/html/header.phtml
Author: Qaisar Satti
Category: Magento 2
Last Modified: July 12, 2018


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