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I'm using the code...

<?php echo $block->getBlockHtml('formkey') ?>

inside my custom phtml file but all I get is blank ''. I see this same code used throughout Magento Core.

How can I enable this functionality in my template?

  • Are you using Magento 2 ? – Pawan Jun 18 '18 at 16:22
  • Yes, I've tagged magento 2 and 2.2 – jamil Jun 18 '18 at 16:38
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Add construct function and try to add in your Customized Block file

 public function __construct(\Magento\Framework\Data\Form\FormKey $formKey){
    $this->formKey = $formKey
 }
 public function getFormKey()
 {
     return $this->formKey;
 }

call this function in your custom phtml file

 <?= $block->getFormKey() ?>
  • Thanks I will try. I'm confused because throughout magento core the function I was trying seems to work without these steps. Any idea why that is? For example: \Magento\Catalog\Block\Product\ListProduct via Magento_Catalog::view/frontend/templates/product/list.phtml – jamil Jun 18 '18 at 16:37
  • Throughout magento core extended AbstractBlock class. they will define the function in that. so we can also extend the same way they did. it also will work. – Vishnunath Jun 18 '18 at 16:49
1

My XML was removing the columns block.

<referenceBlock name="columns" remove="true"/>

I'm not sure why, but this breaks a lot of functionality in Magento, including the ability to use $block-getFormKey() in an unrelated template.

UPDATE: I ran into this issue again and found that the formkey block was not defined. Added this to my xml and things worked.

<block class="Magento\Framework\View\Element\FormKey" name="formkey"/>

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