Head Rush Ajax

296

Chapter 5

Losing part of a customer’s order would denitely be a problem for Break Neck. But, it

looks like using a POST request might help solve the problem.

Let’s take a closer look at both types of requests:

GET requests versus POST requests

<?php

require(‘lib.php’);

function go() {

$myVar = ...

return ...

}

?>

Web server

placeOrder.php? Yes, I have an order for

Mary Jenkins, at 7081 Teakwood #24C,

Dallas, Texas, 75182. She wants a large

cheese pizza with thin crust, a 2 liter bottle

of diet coke, an order of breadsticks, and

a side order of ranch dressing. Oh, and her

phone number is [phone].

placeOrder.php?phone=[phone]

&address=Mary Jenkins,7081 Teakwood

#24C,Dallas,Texas,75182&order=1 Large

Cheese Pizza with Thin Crust,2 Liter...

In a GET request, data for

the server is sent as part

of the request URL.

GET requests send data in the request URL

GET requests send data to the server as part of the request URL:

This URL can get

pretty long...

* In an actual request, lots of the special characters

in this URL would be encoded by the JavaScript

escape() function. We’ve left it unencoded, though,

to make it a little easier to understand.

get versus post