How to determine if the page is closed in php

How to determine whether the page is closed in php: You can use the connection_status() function to determine. If the function returns 0, it means the connection was operating normally; if it returns 1, it means the connection was terminated by user or network error.

Related function introduction:

connection_status() function returns the current connection status.

(Recommended tutorial: php video tutorial)

Possible values ​​that can be returned:

• 0 - CONNECTION_NORMAL - Connection operation OK

• 1 - CONNECTION_ABORTED - Connection terminated by user or network error

• 2 - CONNECTION_TIMEOUT - Connection timed out

• 3 - CONNECTION_ABORTED & CONNECTION_TIMEOUT

Code implementation:

echo str_repeat(" ",3000);
ignore_user_abort(true); 
mylog('online');
while (true) {
   /*
   * 1、程序正常结束   connection_status 0
   * 2、点击浏览器“停止”按钮   connection_status 1
   * 3、超时  connection_status 2
   */
 echo "test<br>\n"; //注意程序一定要有输出，否则ABORTED状态是检测不到的
 flush();
 sleep(1);
 if (connection_status()!=0){
    mylog(&#39;offline&#39;);
    die(&#39;end the script&#39;);
 }
}
function mylog($str)
{
   $fp = fopen(&#39;e:/abort.txt&#39;, &#39;a&#39;);
   $str = date(&#39;Y-m-d H:i:s&#39;).$str."\r\n";
   fwrite($fp, $str);
   fclose($fp);
}

Related recommendations: php training

The above is the detailed content of How to determine if the page is closed in php. For more information, please follow other related articles on the PHP Chinese website!