Will you write the log sleep in php?

Sleep. php

Ignore_user_abort (); // The PHP script can be executed even if the Client is disconnected (such as the browser is disabled.
Set_time_limit (0); // the execution time is unlimited. The default php Execution time is 30 seconds. You can use set_time_limit (0) to limit the execution of the program.
$ Interval = 10; // run every 10 seconds
Do {
Include ('cron-config. php'); // introduce the file
If ($ cron_config ['run'] = "false") break; // if $ cron_config ['run'] is false, the loop will jump out, execute the following statement echo "jump out of loop ";
$ Fp = fopen('test.txt ', 'A ');
Fwrite ($ fp, 'test ');
Fclose ($ fp );
Sleep ($ interval); // wait for 10 seconds
} While (true );
Echo "jump out of loop ";

?>

Cron-config.php

$ Cron_config ['run'] = "true ";
?>