; The timeout for serving a single request after which a PHP backtrace will be

; dumped to the 'slowlog' file. A value of '0s' means 'off'.

; Available units: s(econds)(default), m(inutes), h(ours), or d(ays)

; Default Value: 0

;request_slowlog_timeout = 0

; The log file for slow requests

; Default Value: not set

; Note: slowlog is mandatory if request_slowlog_timeout is set

;slowlog = log/$pool.log.slow

fastcgi_finish_request() //    a special function to finish request & flush all data while continuing to do something time-consuming (video converting, stats processing, etc.)

 <?php

 //代码的可移植性讲的话, 可以在代码中附上如下代码:

 if (!function_exists("fastcgi_finish_request")) {

     function fastcgi_finish_request() {

     }

 }

 echo '例子：';

 file_put_contents('log.txt', date('Y-m-d H:i:s') . " 上传视频\n", FILE_APPEND);  

 //结束和客户端的交互，将结果刷出

 fastcgi_finish_request();  

 //服务端继续执行代码

 sleep(1);

 file_put_contents('log.txt', date('Y-m-d H:i:s') . " 转换格式\n", FILE_APPEND);

 sleep(1);

 file_put_contents('log.txt', date('Y-m-d H:i:s') . " 提取图片\n", FILE_APPEND);