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I used Plugin for this, But my plugin is not working. Below is my code.
di.xml

<type name="Magento\Framework\View\Element\Html\Link\Current">
    <plugin name="Current" type="CP\Coreoverride\Plugin\Current" />
</type>

Current.php

<?php
namespace CP\Coreoverride\Plugin;

class Current{

  protected function _toHtml()
  {
    echo "fdsfds"; die;
  }

}

Anyone can look into please.

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2 Answers 2

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1

You can't plugin a protected method

http://devdocs.magento.com/guides/v2.2/extension-dev-guide/plugins.html

Limitations
Plugins can not be used on following:

  • Final methods
  • Final classes
  • Non-public methods
  • Class methods (such as static methods)
  • __construct Virtual types
  • Objects that are instantiated before Magento\Framework\Interception is bootstrapped

so your best bet is to either plug a first public method in inheritance chain 

grep '>_toHtml(' vendor/magento/framework/View -rsn 
vendor/magento/framework/View/Element/AbstractBlock.php:659: $html = $this->_toHtml();

and that is Magento\Framework\View\Element\AbstractBlock toHtml method

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2
  • Thanks for sharing. Can you please suggest. How can I achieve this ? I want override protected function _toHtml(). Commented Apr 17, 2018 at 9:26
  • updated my answer Commented Apr 17, 2018 at 9:35
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Whenever you use the plugin you need to need to add After, Before or Around before the function. Please check the following link for more detail.

http://devdocs.magento.com/guides/v2.0/extension-dev-guide/plugins.html

Hope it'll help you.

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1
  • 2
    You can't plugin a protected method Commented Apr 17, 2018 at 9:36

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