This article describes how to determine if the Alternative PHP Cache (APC) is currently installed on your server.
The Alternative PHP Cache (APC) is a PHP extension that provides opcode caching. By caching the compiled operation codes (opcodes) of PHP scripts, APC enables sites to serve page content significantly faster. APC runs on PHP 5.4 and earlier versions.
Because APC is a separate extension, it may or may not already be installed on your server. The following procedure explains how to determine if your server has the APC extension installed.
To determine if the APC extension is installed on your server, follow these steps:
<?php phpinfo(); ?>
Use your browser to search for the term apc. If APC is installed, you see a section that resembles the following:
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