php-fpm：fastcgi_finish_request()

; 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.)

 1 <?php
 2 
 3 //代码的可移植性讲的话, 可以在代码中附上如下代码:
 4 if (!function_exists("fastcgi_finish_request")) {
 5     function fastcgi_finish_request() {
 6     }
 7 }
 8 
 9 echo ‘例子：‘;     
10 file_put_contents(‘log.txt‘, date(‘Y-m-d H:i:s‘) . " 上传视频\n", FILE_APPEND);  
11 
12 //结束和客户端的交互，将结果刷出   
13 fastcgi_finish_request();  
14 
15 //服务端继续执行代码     
16 sleep(1);
17 file_put_contents(‘log.txt‘, date(‘Y-m-d H:i:s‘) . " 转换格式\n", FILE_APPEND);
18      
19 sleep(1);
20 file_put_contents(‘log.txt‘, date(‘Y-m-d H:i:s‘) . " 提取图片\n", FILE_APPEND);