<?php
$name=$_GET["Name"];
$age=$_GET["Age"];
print $name . " is " . $age . " years old...";
?>
In the ESP's editor call it with:
print wget("192.168.178.23/esp/test.php?Name=Peter&Age=55")
The output is:
Peter is 55 years old...
Done...
Change the ip address to your needs. You can add all functions php offers inluding MySQL.