CSRFCheckExample.php

<?php

// Requested URL => http://VerySafePlace.io/deleteEverything
$token = $_GET['token'];

if(empty($token))
  showErrorMessage();
else {
  // This will check that the token matches the logged user's one
  if(token_exists_in_database($token)) 
    deleteEverything();
  else
    showErrorMessage();
}

?>