php compress CSS files

一次压缩多个CSS文件

header('Content-type: text/css');
ob_start("compress");
function compress($buffer) {
/* remove comments */
$buffer = preg_replace('!/*[^*]**+([^/][^*]**+)*/!', '', $buffer);
/* remove tabs, spaces, newlines, etc. */
$buffer = str_replace(array("rn", "r", "n", "t", ' ', ' ', ' '), '', $buffer);
return $buffer;
}
/* your css files */
include('master.css');
include('typography.css');
include('grid.css');
include('print.css');
include('handheld.css');
ob_end_flush();

php, CSS