<?php
/**
* On-the-fly CSS Compression
* Copyright (c) 2009 and onwards, Manas Tungare. (changes by bronco)
* Creative Commons Attribution, Share-Alike.
*
* In order to minimize the number and size of HTTP requests for CSS content,
* this script combines multiple CSS files into a single file and compresses
* it on-the-fly.
*
* To use this in your HTML, link to it in the usual way:
* <link rel="stylesheet" type="text/css" media="screen, print, projection" href="/css/compressed.css.php" />
*/
/*
* this version detects css files and allow very basic replacements (bronco@warriordudimanche.net)
*/
# replacement rules: "String to replace" => "Replacement"
$replace=array(
'#basic_color_neutral'=>'#405bff',
'#basic_color_dark'=>'#2039ee',
'#basic_color_light'=>'#617dff',
'#hover_color'=>'',
);
# function
if (!function_exists('_glob')){
function _glob($path,$pattern='') {
# glob function fallback by Cyril MAGUIRE (thx bro' ;-)
if($path=='/'){
$path='';
}
$liste = array();
$pattern=str_replace('*','',$pattern);
if ($handle = opendir($path)) {
while (false !== ($file = readdir($handle))) {
if(stripos($file, $pattern)!==false || $pattern=='' && $file!='.' && $file!='..' && $file!='.htaccess') {
$liste[] = $path.$file;
}
}
closedir($handle);
}
natcasesort($liste);
return $liste;
}
}
$cssFiles = _glob('./','css');
/**
* Ideally, you wouldn't need to change any code beyond this point.
*/
$buffer = "";
foreach ($cssFiles as $cssFile) {
$buffer .= file_get_contents($cssFile);
}
$buffer=str_replace(array_keys($replace),array_values($replace),$buffer);
// Remove unnecessary characters
$buffer = preg_replace("|/\*[^*]*\*+([^/][^*]*\*+)*/|", "", $buffer);
$buffer = preg_replace("/[\s]*([\:\{\}\;\,])[\s]*/", "$1", $buffer);
// Remove whitespace
$buffer = str_replace(array("\r\n", "\r", "\n"), '', $buffer);
// Enable GZip encoding.
ob_start("ob_gzhandler");
// Enable caching
header('Cache-Control: public');
// Expire in one day
header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 86400) . ' GMT');
// Set the correct MIME type, because Apache won't set it for us
header("Content-type: text/css");
// Write everything out
echo($buffer);
?>