Install php-symfony-polyfill-apcu by entering the following commands in the terminal:
sudo apt update sudo apt install php-symfony-polyfill-apcu
Description:
Symfony polyfill backporting apcu_* functions to lower PHP versions
This component provides `apcu_*` functions and the `APCUIterator` class to users of the legacy APC extension. . The Symfony Polyfill project backports features found in the latest PHP versions and provides compatibility layers for some extensions and functions. It is intended to be used when portability across PHP versions and extensions is desired. . Symfony is a PHP framework, a set of tools and a development methodology.
Homepage: https://symfony.com
Version: 1.6.0-2
Section: universe/php