PHP-Ext is an open source widget library written for PHP 4 and PHP 5 to empower the UI Layer based on Ext JS Javascript widgets which provide a standard and powerful API to build Rich Internet Applications.

PHP-Ext provides useful and common controls to create forms, rich combo boxes, powerful grids and menus. It also promotes the use of JSON and XML client/server communication to populate forms and grids using Ajax. Additionally it has a Javascript helper to ease the Javascript code generation and use.
P.S. This PHP Widget Library is in beta so you may experience small issues.
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