PHP debug::save_required_files示例

 protected static function send_response($is_pps_mode, $content_type, $content, $gzippable = true)
 {
     header('Content-Type: ' . $content_type);
     if (config::get_kern('send_x_powered_by', true)) {
         header('X-Powered-By: swap-' . version);
     }
     if ($is_pps_mode) {
         if (config::get_module('view.cache_pps_in_client', false)) {
             header('Cache-Control: max-age=2592000');
         } else {
             header('Cache-Control: max-age=0');
         }
     }
     if (self::$log_execute_time) {
         $execute_time = microtime(true) - self::$begin_microtime;
         header('X-Execute-Time: ' . substr($execute_time * 1000, 0, 5) . ' ms');
     }
     if ($gzippable && extension_loaded('zlib') && !ini_get('zlib.output_compression')) {
         ob_start('ob_gzhandler');
     } else {
         ob_start();
     }
     echo $content;
     ob_end_flush();
     if (self::$is_debug) {
         debug::save_required_files();
     }
 }