title: How to set a time delay of 24hours on a function in php?
body: <p>I have a web application written in php5.</p>
  
  <p>The application allows users to register and I would like to delay when the various details such as password and links will be sent out.  I would like the email containing this information to go 24h after a user has resisted.</p>
  
  <p>How can I to execute the function that will send the email after 24 hours has passed?</p>