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Last active November 22, 2018 10:28
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Fix Magento PHP 7.X Fatal error
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fix.md

Fatal error: Uncaught Error: Function name must be a string app\code\core\Mage\Core\Model\Layout.php:555

It happens because in PHP 7 you need to clarify that you are going to call the $callback variable as a method (function). So, the original line of the code looks like the following (file app/code/core/Mage/Core/Model/Layout.php):

$out .= $this->getBlock($callback[0])->$callback[1]();

In order to make it work on the latest PHP version we need to replace this piece of code by this one:

$out .= $this->getBlock($callback[0])->{$callback[1]}();

Refer this blog for further information.

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