.. index:: single: Polyfill single: APC single: Components; Polyfill
This component providesapcu_*
functions and theAPCUIterator
class to users of the legacy APC extension.
$ composer require symfony/polyfill-apcu
Once this component is installed in your application, you can use the following classes and functions, no matter if the PHP APCu extension is installed or not in your server. The only requirement is to have installed at least the legacy APC extension.