... 0.638" 272 page count
BOOKS FOR PROFESSIONALS BY PROFESSIONALS
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Beginning Ajaxwith PHP: From
Noviceto Professional
Dear Reader,
With the emergence of Ajax, gone are the days of clicking ... BeginningAjaxwith PHP: FromNoviceto Professional
Copyright â 2007 byLee Babin
All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means,
electronic ... version
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FOR PROFESSIONALS
BY PROFESSIONALS
™
Join online discussions:
THE APRESS ROADMAP
Beginning XML
with DOM and Ajax
Beginning Google Maps
Applications with PHP
and Ajax
Beginning
PHP and MySQL...
... 0.638" 272 page count
BOOKS FOR PROFESSIONALS BY PROFESSIONALS
đ
Beginning Ajaxwith PHP: From
Noviceto Professional
Dear Reader,
With the emergence of Ajax, gone are the days of clicking ... version
forums.apress.com
FOR PROFESSIONALS
BY PROFESSIONALS
™
Join online discussions:
THE APRESS ROADMAP
Beginning XML
with DOM and Ajax
Beginning Google Maps
Applications with PHP
and Ajax
Beginning
PHP and MySQL ... level:
Beginner–Intermediate
Babin
Beginning
Ajax
with
PHP
THE EXPERTS VOICE
đ
IN OPEN SOURCE
Lee Babin
Beginning
Ajaxwith PHP
FromNoviceto Professional
CYAN
MAGENTA
YELLOW
BLACK
PANTONE 123 CV
ISBN 1-59059-667-6
9781590596678
53499
6...
... Page 15
LeeBabin
Beginning Ajaxwith PHP
FromNoviceto Professional
6676FM.qxd 9/27/06 11:49 AM Page i
create access to a large amount of content without cluttering the screen. By hiding ... Google’s Gmail,
Ajax is a means to making server-side requests with seamless page-loading and little to
no need for full page refreshes.
Enter Ajax
Ajax took the Internet world rather by surprise, ... By using Ajaxto hide and show information, and PHPto dynami-
cally generate a calendar based upon the current month, you create a well-hidden
calendar that can be added to any application with...
... created rich Ajax applications.
CHAPTER 1 ■ INTRODUCING AJAX 5
6676CH01.qxd 9/27/06 2:48 PM Page 5
BeginningAjaxwith PHP: FromNoviceto Professional
Copyright â 2007 byLee Babin
All rights ... version
forums.apress.com
FOR PROFESSIONALS
BY PROFESSIONALS
™
Join online discussions:
THE APRESS ROADMAP
Beginning XML
with DOM and Ajax
Beginning Google Maps
Applications with PHP
and Ajax
Beginning
PHP and MySQL ... level:
Beginner–Intermediate
Babin
Beginning
Ajax
with
PHP
THE EXPERTS VOICE
đ
IN OPEN SOURCE
Lee Babin
Beginning
Ajaxwith PHP
FromNoviceto Professional
CYAN
MAGENTA
YELLOW
BLACK
PANTONE 123 CV
ISBN 1-59059-667-6
9781590596678
53499
6...
... of how PHP and Ajax can
be used together to design some basic tools that are quite new to Internet applications
but have been accessible to desktop applications for ages. The ability to make ... have to wait while a
site loads using traditional linking methods, they won’t have to wait with Ajax. Using the
Ajax method allows the content being retrieved from the server to be loaded with ... attempting to
understand Ajax- type applications. Let’s begin with the basics.
HTTP Request and Response Fundamentals
In order to understand exactly how Ajax concepts are put together, it is important to
know...
... PHP, you must make use of the
mysql_connect
function. Consider the following code, found within the file dbconnector .php, that will
allow you to connect to the database:
< ?php
//dbconnector .php
//Define ... table with these fields:
CHAPTER 4 ■ DATABASE-DRIVEN AJAX5 8
6676CH04.qxd 9/27/06 11:53 AM Page 58
Database-Driven Ajax
Now that you have a basic understanding of how to use PHPwithAjaxto accomplish
some ... 1px;
}
CHAPTER 3 ■ PHP AND AJAX3 4
6676CH03.qxd 9/27/06 2:49 PM Page 34
< ?php
//validator .php
//A list of valid names.
//Again, this would usually come from a database.
$names = array (" ;Lee Babin& quot;,"Joe...
... changes to
taskchecker .php
that will allow the system to identify any tasks on a given day:
< ?php
//taskchecker .php
//Add in the database connector.
require_once ("dbconnector .php& quot;);
//Open ... submit but-
ton that is used to trigger the JavaScript-based Ajax request to the server. The scripts in
Listings 5-1 and 5-2 show the changes made to the
calendar .php and theform .php files to
allow ... you to check a box to make a selection.
hidden This element allows you to pass along information to the form without showing the
value to the user.
image This element performs similarly to a...
... The Code That Will Pop Up As an Auto-Complete Listing (autocomp .php)
< ?php
//autocomp .php
//Add in our database connector.
require_once ("dbconnector .php& quot;);
//And open a database ... concepts such as Ajax and scripting languages like PHP, we now
have a much more robust set of tools with which to deal with imaging. Through Ajax, we
can dynamically load and display images without the ... changes to the
showimg .php file.
Listing 6-7. The Changes Made to Accommodate a Thumbnail-Generation Script
(showimg .php)
< ?php
//showimg .php
$file = $_GET['thefile'];
//Check to see...
... elements used withAjax and PHP has
come to an end with the finalizing of this chapter on images. You have learned how to
make images work for you in a whole new manner. By making use of PHP s advanced
scripting ... an Ajax- based photo gallery. The
photo gallery is a fairly common web application that is popular among professional web
developers and hobbyists alike.
The problem with something like a photo ... when envisioning what I wanted to do with a photo gallery, I brainstormed
features that I would like to see implemented whenever I deploy a photo gallery, and
ways to make the gallery look different...
... of Ajax and displaying it properly to
the web page, it’s time to move on to a slightly more advanced topic: web services. Now, I
know this was the big buzz word not too long ago (right before Ajax, ... works by using Ajaxto reload the
midpic .php and picnav .php scripts. We
put each of these calls into the JavaScript
setTimeout function, which means the browser
waits the time specified by
refreshrate ... to use Ajaxto its fullest and when it works best, beginning
with navigation.
Ajax Navigation
Let’s consider a web page that benefits from some Ajax navigation but is also set up to
handle some...
... that comes withPHP 5.
SOAP is a protocol that allows remote procedures to be executed. All requests to and
responses from a SOAP web service use XML. By using the SOAP library built into PHP,
the ... {
showMessage(xmlhttp.responseText);
}
}
xmlhttp.send(values);
setTimeout("loadMap()",1000);
}
Listing 10-4. The Code to Connect to Your MySQL Database (dbconnector .php)
< ?php
// dbconnector .php
$GLOBALS['host'] = 'localhost';
$GLOBALS['user'] ... web shell (sample10_1 .php) . At the very top, PHP is used to
check whether a message has been passed to the script. This is used when your form is
processed without using Ajax the form processor...
... you include
dbconnector .php
and call opendatabase. You can then fetch all the records from your store table:
< ?php
// process_form .php
require_once('dbconnector .php& apos;);
opendatabase();
$query ... example again to demonstrate this. This is how a basic version of
the
transfer .php script might look with the one-time token added to it. Without the cor-
rect token being submitted with the form, ... use the
uniqid() function to create this unique token. In fact, the code used to
generate this token is taken directly from the
uniqid() PHP manual page, at www .php. net/
uniqid.
CHAPTER 12...