I\'m used to using python\'s virtualenv tool to create separate environments that can mimic deployment environments for projects I write.
Now, I\'m going to be worki
(Haven't coded php in years, so this might be outdated)
As far as I remember you just had to point to another directory where your libraries reside (include PATH), using something like:
include_path = .:/usr/local/lib/php:./include (this goes in php.ini, default libararies)
and in your php files:
ini_set("include_path", ".:../:./include:../include");
PHP never really had a robust packaging system and library repository like perl/python/ruby has, PEAR was trying to move in that direction but it is very closed in comparison and was hard to configure in multiproject environments.
Phark is trying to build a brew/bundler port for php, https://github.com/lox/phark, although it's not deployment ready.
You might be interested in this: https://github.com/phpenv/phpenv