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Getting below error after upgrade to 2.2.6: 1 exception(s): Exception #0 (ReflectionException): Class Magento\Framework\EscapeHelper does not exist

I have checked vendor/magento/framework folder and didn't found EscapeHelper file while same exist in previous versions like 2.1.7

Any idea on how we can fix the above exception? I have checked even magento core files are using EscapeHelper class in vendor\magento\module-customer\view\frontend\templates\form\login.phtml e.g. $this->helper(\Magento\Framework\EscapeHelper::class)->escapeHtmlAttr(__('Password'))

Some of custom modules in my website are also using it same way.

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2 Answers 2

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When you update magento 2.1 to 2.3 you will get this issue if your custom theme copied file from 2.1 theme. You need to find all files whish use class $this->helper(\Magento\Framework\EscapeHelper::class)-> then replace with $block->

It will resolve this issue.

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    running grep -rl "this->helper(\\\Magento\\\Framework\\\EscapeHelper::class)" app/design/* | xargs sed -i 's/this->helper(\\Magento\\Framework\\EscapeHelper::class)/block/g' worked for me
    – Adam
    May 11, 2020 at 14:50
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With Magento 2.2 the methods from EscapeHelper have been moved to Magento\Framework\Escaper.

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  • Any idea on how we can fix the above exception? I have checked even magento core files are using EscapeHelper class in vendor\magento\module-customer\view\frontend\templates\form\login.phtml e.g. $this->helper(\Magento\Framework\EscapeHelper::class)->escapeHtmlAttr(__('Password'))
    – Hemant Kumar
    Oct 8, 2018 at 7:31
  • @tony111ization can you please search your extensions code for EscapeHelper? If you've found anything please add it to your question.
    – sv3n
    Oct 8, 2018 at 7:37

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