PHP method for detecting whether the browser is closed

This article describes how to use PHP to check whether a browser is closed. you can use connection_status to obtain the connection status to determine whether the browser is closed, for more information about how to use PHP to check whether a browser is disabled, see the following example. We will share this with you for your reference. The details are as follows:

1. Example 1

Echo str_repeat ("", 3000); ignore_user_abort (true); mylog ('online'); while (true) {/** 1. The program ends normally. connection_status 0*2. click connection_status 1 * in the browser. the connection_status 2 */echo "test times out.
\ N "; // note that the program must have output; otherwise, the ABORTED state is not flush (); sleep (1); if (connection_status ()! = 0) {mylog ('offline'); die ('end the script') ;}} function mylog ($ str) {$ fp = fopen ('E: /abort.txt ', 'A'); $ str = date ('Y-m-d H: I: s '). $ str. "\ r \ n"; fwrite ($ fp, $ str); fclose ($ fp );}

2. Example 2

function foo() { $s = 'connection_status '. connection_status(); mylog($s);} register_shutdown_function('foo');//script processing is complete or when exit() is calledset_time_limit(10);for($i=0; $i<10000000; $i++) echo $i;function mylog($str){  $fp = fopen('e:/abort.txt', 'a');  $str = date('Y-m-d H:i:s').$str."\r\n";  fwrite($fp, $str);  fclose($fp);}