title: How to create a always running PHP background script to clean up particular rows in mySql DB?
body: <h2>How to create a always running PHP background script to clean up particular rows in mySql DB?</h2>
  <p>Hi guys I want to create a PHP script that automatically keeps on running  (for example after every hour) and delete some particular rows from database(for example user comments those are atleast 5 days older)for this I am already having the date column in table.</p>
  <p>Please guide me how to do this as I am new to PHP.</p>