173     $css = ob_get_contents();
177     stripsourcemaps($css);
180     $css = css_applystyle($css, $styleini['replacements']);
183     $css = css_parseless($css);
187         $css = css_compress($css);
193 …$css = preg_replace_callback('#(url\([ \'"]*)(' . $base . ')(.*?(?:\.(png|gif)))#i', 'css_datauri'…
196     http_cached_finish($cache->cache, $css);
205  * @param string $css
208 function css_parseless($css)  argument
221         return $less->compile($css);
232             $lines = explode("\n", $css);
268  * @param string $css
274 function css_applystyle($css, $replacements)  argument
288     $css = strtr($css, $replacements);
291     $css = $less . $css;
292     return $css;
446         $css = io_readFile($this->filepath);
447         if (!$location) return $css;
451 … $css = preg_replace_callback('#(url\( *)([\'"]?)(.*?)(\2)( *\))#', [$this, 'replacements'], $css);
452 …     $css = preg_replace_callback('#(@import\s+)([\'"])(.*?)(\2)#', [$this, 'replacements'], $css);
454         return $css;
563  * @param string $css
568 function css_compress($css)  argument
578     $css = preg_replace_callback('/(([\'"]).*?(?<!\\\\)\2)/', $quote_cb, $css);
581     $css = preg_replace_callback('#(/\*)(.*?)(\*/)#s', 'css_comment_cb', $css);
584     $css = preg_replace_callback('/^.*\/\/.*$/m', 'css_onelinecomment_cb', $css);
587     $css = preg_replace('![\r\n\t ]+!', ' ', $css);
588     $css = preg_replace('/ ?([;,{}\/]) ?/', '\\1', $css);
589     $css = preg_replace('/ ?: /', ':', $css);
592     $css = preg_replace(
595         $css
597     $css = preg_replace(
600         $css
602     $css = preg_replace(
605         $css
607     $css = preg_replace(
610         $css
612     $css = preg_replace(
615         $css
619     $css = preg_replace(
622         $css
624     $css = preg_replace(
627         $css
631     $css = preg_replace(
634         $css
642     $css = preg_replace_callback('/"STR(\d+)"/', $quote_back_cb, $css);
643     $css = trim($css);
645     return $css;