The Alternative PHP Cache (APC) is a free and open opcode cache for PHP.
Its goal is to provide a free, open, and robust framework for caching and optimizing PHP intermediate code.
Installation of APC is quite simple.
This article shows you how to fix APC installation problem when it fails at make process as following:
In file included from /tmp/pear/temp/APC/apc.c:44:
/usr/include/php5/ext/pcre/php_pcre.h:29:18: error: pcre.h: No such file or directory
In file included