小型企业网站建设项目,哪里有seo排名优化,深圳小语种网站建设,农村电商怎么赚钱要实现判断用户已掉线并关闭网页#xff0c;主要用到方法connection_status 和 connection_aborted。通过一个例子#xff0c;来了解下它们的用法:echo str_repeat( ,300);//以下不可省略#xff0c;否则用户断线#xff0c;php(线程)立即终止#xff0c;不会…要实现判断用户已掉线并关闭网页主要用到方法connection_status 和 connection_aborted。通过一个例子来了解下它们的用法:echo str_repeat( ,300);//以下不可省略否则用户断线php(线程)立即终止不会执行 if connection_status()!0||connection_aborted){ignore_user_abort(true);while (true) {echo test/n;//必须有输出, 否则线程会一直执行下去直到重新启动apche(测试过程2小时)输出也可以写到//注释2处flush();if (connection_status()!0||connection_aborted()){//用户退出了}//注释2sleep(2);//by www.jbxue.com}?下面是另一个例子//检测是否掉线然后关闭网页//编辑www.jbxue.comecho str_repeat( ,300);ignore_user_abort(true); //without this, current apache thread will terminate Immediately,sothe code if (connection_status()!0){ will not be executed as the script was broken off!while (true) {echo test/n;//if theres no any output, this script will execute endless,which means the current apache thread will not end until you restart apache and connection_status()willkeep 0 and connection_aborted() will keep false.flush();sleep(2);if (connection_status()!0){include (dbconnect.inc);$sqldelete from online_users where online_user$user;$sql_execpg_exec($vChatDB, $sql);die(); //kills the script}}?
