public static function inlineFile($files, $theme = false)
 {
     if ($theme) {
         $theme = $theme === true || $theme == 1 ? OriginalConfig::inst()->get('SSViewer', 'theme') : $theme;
         if ($theme) {
             $theme = THEMES_DIR . '/' . $theme;
         } else {
             $theme = project();
         }
     }
     $key = static::clean_cache_key($files, ['theme' => $theme]);
     $contents = singleton('require')->cache()->load($key);
     $isDev = CoreDirector::isDev();
     if ($contents === false) {
         $files = explode(',', $files);
         foreach ($files as $file) {
             $file = $theme ? $theme . '/' . $file : $file;
             $file = CoreDirector::is_absolute_url($file) ? $file : CoreDirector::getAbsFile($file);
             if (CoreDirector::is_absolute_url($file) || @file_exists($file)) {
                 $contents = @file_get_contents($file);
                 if (!$isDev && $contents) {
                     $contents = singleton('require')->minify_contents_according_to_type($contents, $file);
                 }
                 if (!$isDev) {
                     singleton('require')->cache()->save($contents, $key);
                 }
                 break;
             }
         }
     }
     return DBField::create_field('HTMLText', $contents);
 }
 protected function inlineFiles($inlines, $setVar = 'customCSS', $unsetVar = 'css', $replaceString = '%s', $id = 'Inline-CSS')
 {
     if (count($inlines)) {
         $this->removeIfFound($id, $setVar);
         $items = [];
         $isDev = Director::isDev();
         foreach ($inlines as $file => $data) {
             if (!Director::is_absolute_url($file)) {
                 $file = Director::getAbsFile($file);
             }
             $key = Utilities::clean_cache_key($file);
             $content = singleton('require')->cache()->load($key);
             if ($content === false) {
                 $content = @file_get_contents($file);
                 if ($content && !$isDev) {
                     $content = singleton('require')->minify_contents_according_to_type($content, $file);
                 }
                 if (!$isDev) {
                     singleton('require')->cache()->save($content, $key);
                 }
             }
             if ($content) {
                 $items[$file] = $content;
                 $this->removeIfFound($id, $unsetVar);
             }
         }
         if (count($items)) {
             if ($setVar == 'customHeadTags') {
                 $this->insertHeadTags(sprintf($replaceString, implode("\n\n", $items)), $id);
             } elseif ($setVar == 'customScript') {
                 $this->customScript(sprintf($replaceString, implode("\n\n", $items)), $id);
             } elseif ($setVar == 'customCSS') {
                 $this->customCSS(sprintf($replaceString, implode("\n\n", $items)), $id);
             }
         }
     }
 }
 public static function head($file)
 {
     if ($file && (Director::is_absolute_url($file) || Director::fileExists($file)) && ($ext = pathinfo($file, PATHINFO_EXTENSION)) && ($ext == 'js' || $ext == 'css')) {
         $file = Director::is_absolute_url($file) ? $file : \Controller::join_links(Director::baseURL(), static::get_cache_busted_file_url($file));
         if ($ext == 'js') {
             static::insertHeadTags('<script src="' . $file . '"></script>', $file);
         } else {
             static::insertHeadTags('<link href="' . $file . '" rel="stylesheet" />', $file);
         }
     }
 }