php5-minify

minify provides JavaScript and CSS minimizers for PHP5 which are substantially more efficient than PHP based ones.

Examples

Minifying JS:

<?php

$minified_js = JSMin::minify(file_get_contents("some.js"));

?>

~~This extension isn't thread safe - yet~~. This extension is thread safe now thanks to mkoppanen#1.
CSS minification support is coming real soon.
Requires >=PHP5