Richard Cotton

<?php
    // PHP-CSS-Compiler

    // setup:

    function ob_filter_terse($t)
    {
        // this filter minifies the CSS
        $t = str_replace(array("\t","\r", "\n"), array(' ', '', ' '), $t);
        while(strpos('  ', $t) !== FALSE)
            $t = str_replace('  ', ' ', $t);
        return $t;
    }

    function ob_filter_verbose($t)
    {
        // this function leaves CSS as it is and adds a little debug info
        $t = "/* CSS Compiled ".strftime("%Y-%m-%d %H:%M:%S")." */\n" . $t;
        return $t;
    }

    // configuration:
    // its important that we use soft-namespaces in this process
    // since all the variables in the main section are exposed to all the included files

    $comp_verbose = (isset($_REQUEST['v']) && $_REQUEST['v']=='true' ? TRUE : FALSE);

    $comp_includes = array();
    if(isset($_REQUEST['i']))
    {
        $comp_includes = explode(',', $_REQUEST['i']);
    }

    // compilation:

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

    ob_start(($comp_verbose ? 'ob_filter_verbose' : 'ob_filter_terse')); // set which filter function to use

    if($comp_verbose)
    {
        foreach($comp_includes as $f)
            echo "/* Source: $f */\n";
        echo "\n\n";
    }

    foreach($comp_includes as $f)
    {
        include($f);
    }

    ob_end_flush(); //calls the filter function
?>