如何使用cronjob每半小时运行一个PHP脚本[关闭]

Question

How to run a Run a PHP Script for every half an hour with out cronjob ?

Answer 1

You can do it checking last update date for a file (that acts as flag).

index.php (or any file)

<?php
$stat = stat("flag.txt");
if(check if your $stat['mtime'] has more of 30 mins of last modification) {
 //run your script
 touch("flag.txt")
}
?>