gistfile1.php

<?php

/**
 * This script should be passed a GET parameter named "file" with the relative path
 * to the .less file.
 *
 * If .css is used instead of .less, it will be replaced with .less when looking for
 * the file.
 *
 * I personally use an internal redirect that matches the .css extension and rewrites
 * it to this script. Saving the processed .less as a .css is a good idea if you
 * have a heavily trafficked website.
 */

// Set this to where you did the path that contains small_css.php. If you cloned the repository
// in the same directory as this script, leave as is.
define('SMALL_CSS_DIR', './small-css/lib');

header("Content-type: text/css");

$file = isset($_GET["file"]) ? str_replace(".css", ".less", $_GET["file"]) : null;
$dir  = substr($file, 0, strrpos($file, "/") + 1);

if (is_null($file) || !is_file($file)) {
    header("HTTP/1.1 404 Not Found");
    exit;
}

require_once SMALL_CSS_DIR."/small_css.php";

$css = new SmallCss($dir);
$css->parse(file_get_contents($file));
$css->output();

?>