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With the controllable jQuery Progress Bar, writing a form upload progress bar seems like a piece of cake now. Hypothetically, all we need is to create the bar, poll for the progress of the file upload, drive the new progress bar value (in percentage) and set it using PHP.

Tutorial + Download:
http://t.wits.sg/2008/06/25/howto-ph...-progress-bar/

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We will learn how to create a dynamic ajax based shoutbox with jQuery from scratch. It will be very interesting to know how to use the ajax function of jQuery and how it can be used to insert and recover data from a MySQL database via PHP in a way asynchronous.

Tutorial + Demo + Download:
http://yensdesign.com/2009/01/create...d-ajax-jquery/

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We are going to learn how to validate your forms using PHP and jQuery in both sides: client side (using javascript with jQuery) and server side (using PHP). It will be interesting to see how to use regular expressions to validate different kind of e-mails, passwords and more.

Tutorial and Download :
http://yensdesign.com/2009/01/how-va...ng-php-jquery/

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A sceencast tutorial for creating a photo site using PHP, jQuery, and AJAX. You will learn how to retrieve images from a database, create a simple login form with authentication, and then allow for the database to be asynchronously updated.

Tutorial and Download:
http://net.tutsplus.com/videos/scree...hp-and-jquery/

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Download:
http://www.failai.lt/n7jw5lnf24qe/vs1.8.zip.htm

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GBCF-v3 is a free PHP form script that offers a nice level of accessibility & security. The script has a valid semantic markup & does not use JavaScript. It is screen-reader optimized & keyboard friendly.

Details: http://green-beast.com/gbcf-v3/
Download: http://green-beast.com/get-gbcf-v3.php