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Head Rush Ajax
book

Head Rush Ajax

by Brett McLaughlin
March 2006
Beginner to intermediate content levelBeginner to intermediate
448 pages
13h 33m
English
O'Reilly Media, Inc.
Content preview from Head Rush Ajax
you’re on your way 4
307
post requests
<?php
require(‘lib.php’);
function go() {
$myVar = ...
return ...
}
?>
Web server
placeOrder.php? I have the
customer’s address, phone number,
and order. I’m sending them over
as name/value pairs via POST, OK?
POST
data
The POST data is the
same as before...
...but with a content type,
the server knows what
kind of data to expect.
placeOrder.php
This time, the request
includes a content type
along with the request URL
and POST data.
HTTP/1.1 400 Bad Request
Request Version: HTTP/1.1
Response Code: 400
Date: Wed, 01 Mar 2006 21:27:39 GMT
Server: Apache
X-Powered-By: PHP/4.3.11
Status: No order was received.
Connection: close
Transfer-Encoding: chunked
Content-Type: text/html
Web server
Web Browser
Internet Explorer
Firefox
Opera
Safari
Mozilla
<script>
var request...
function foo()
{
...
}
</script>
request.getResponseHeader(“Status”)
Servers send information to the
browser using response headers.
This is what the server sends
back to the browser.
The server sends back a response
header and status code.
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Publisher Resources

ISBN: 0596102259Errata PageSupplemental Content