这个问题,搜索一下,不知道有多少种回答,但是很多回答的都不准确,我测试总结一下 首先是都认可的要判断connection_status()或connection_aborted(),但是这两个状态的,必须是向前端发送数据后,才能获得,即无法被动获得,只能主动获得 因此判断客户端是
这个问题,搜索一下,不知道有多少种回答,但是很多回答的都不准确,我测试总结一下
首先是都认可的要判断connection_status()或connection_aborted(),但是这两个状态的值,必须是向前端发送数据后,才能获得,即无法被动获得,只能主动获得
因此判断客户端是否中断的方法也就只能是,后端向前端发送数据后,判断connection_status()或connection_aborted()的返回值
<?php ignore_user_abort(true); //如果不忽略,那当下面的flush执行后,程序立即退出 header("Cache-Control: no-cache, must-revalidate"); header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); ob_flush(); flush(); //控制浏览器前端不要缓存结果,每次都要重新查询 $maxvid = $_GET["maxvid"]; error_log(date("[Y-m-d H:i:s]")." > "."maxvid: ".$maxvid."\n", 3 , "/usr/local/apache2219/logs/php_log"); $gmworker = new GearmanWorker(); $gmworker->setTimeout(60000); $gmworker->addServer(); $gmworker->addFunction("getmsg", "getmsg"); if ( ($gmworker->work()) && ($gmworker->returnCode() == GEARMAN_SUCCESS) ) { echo $msg; ob_flush(); //必须有,不然是在PHP_BUFFER不会被发送到客户端,也检查不出是否中断 flush(); //必须设置ignore_user_abort(true),不然程序直接退出了,无法再判断连接状态 if ( connection_status() ) { error_log(date("[Y-m-d H:i:s]")." workload(); $result = "OK"; return $result; } ?>

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