PHP detects whether the user is shutting down the browser, PHP detects the user's browser _php tutorial

PHP detects whether a user has closed the browser, PHP detects the user's browser

This example describes how PHP detects whether a user is shutting down a browser. Share to everyone for your reference, as follows:

1. Example 1

echo str_repeat ("", +); Ignore_user_abort (true); MyLog (' online '); while (true) {   /   * * 1, program ends   connection_status 0   * 2, click the Browser stop button   connection_ Status 1   * 3, timeout  connection_status 2   */echo "test
\ n "; Note that the program must have output, otherwise the aborted state is not detected flush (); Sleep (1); if (Connection_status ()!=0) {    mylog (' Offline ');    Die (' End of 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, 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);}

Read more about PHP related content readers can view the topic: "PHP Basic Grammar Introductory Tutorial", "PHP error and Exception handling method summary" and "PHP common functions and Skills summary"

I hope this article is helpful to you in PHP programming.

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