static function cache_content($f)
{
$files = array_unique(explode(' ', $f));
$content = '';
foreach ($files as $file) {
$file = trim($file);
list($category, $file) = explode(':', $file, 2);
if (!$file) {
$file = $category;
$category = NULL;
}
if (!$file) {
continue;
}
$path = Core::file_exists(PRIVATE_BASE . 'css/' . $file . '.css', $category);
if ($path) {
$content .= CSS::format(@file_get_contents($path));
}
}
$url_base = preg_replace('/[^\\/]*$/', '', $_SERVER['SCRIPT_NAME']);
$content = preg_replace('/\\burl\\s*\\(\\s*(["\'])?\\s*([^:]+?)\\s*\\1?\\s*\\)/', 'url(' . $url_base . '\\2)', $content);
$css_file = Misc::key('css', $f) . '.css';
Cache::cache_content($css_file, $content);
return $content;
}