https://app.quickdatabasediagrams.com/#/d/05057d

https://www.linkedin.com/pulse/deploy-code-scale-aws-ec2-autoscaling-load-balancer-codedeploy-das/

When you write your script and save it, it will not automatically run.

You must load the file first.
After loading the file the cronjob will continue running automatically.

<script type="text/javascript">
  // Cron Timer (Set run timer)
  setTimeout(function() {
   location.reload();
 }, 25000 /* 25 seconds */ );
</script>

<?php
  // Call to Method
  csv_dump_and_send();
?>