PHP Scheduled task php scheduled task

Ignore_user_abort (); Turn off the browser and the PHP script will continue to execute.
Set_time_limit (0); Set_time_limit (0) allows the program to be implemented without restrictions

The code is as follows:

1 
 Php2Ignore_user_abort();3Set_time_limit(0);4$interval= 5;//runs every 5 seconds5$k= 0;6 Do {7$time= Time();8$file= './test.txt ';9$content= "Cron:".Date(' y-m-d h:i:s ');Ten$fp=fopen($file, ' a '); Onefwrite($fp,$content); Afclose($fp); -if($k>=5){  - Break; the       } -$k++; -Sleep($interval);//wait 5 seconds +} while(true); - +?>

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