smartinmedia/cunity

<?php

/**
 * On-the-fly CSS Compression
 * Copyright (c) 2009 and onwards, Manas Tungare.
 * Creative Commons Attribution, Share-Alike.
 */
$cssFiles = explode(',', base64_decode($_GET['files']));
$buffer = '';
foreach ($cssFiles as $cssFile) {
    $file = file_get_contents('../../../'.$cssFile);
    if ($file !== false) {
        $buffer .= $file;
    }
}

// Remove whitespace
$buffer = str_replace(
    [
        "\r\n",
        "\r",
        "\n",
        "\t",
        '  ',
        '    ',
        '    ', ],
    '',
    $buffer
);

$buffer = str_replace(': ', ':', $buffer);

$buffer = str_replace('; ', ';', $buffer);

$buffer = str_replace(';}', '}', $buffer);

$buffer = str_replace(' {', '{', $buffer);

// Enable GZip encoding.
ob_start('ob_gzhandler');

// Enable caching
header('Cache-Control: no-cache');

// Expire in one day
header('Expires: '.gmdate('D, d M Y H:i:s', time() - 86400).' GMT');

// Set the correct MIME type, because Apache won't set it for us
header('Content-type: text/css');
// Write everything out
print $buffer;