It is very essential to have the input to your form validated before taking the form submission data for further processing. When there are many fields in the form, the PHP validation script becomes too complex. Moreover, since you are doing the same or similar validation for most of the forms that you make, just too much of duplicate effort is spent on form validations.

PHP open-source world very exciting, which we all contact with many famous open source projects such as Drupal, Sugar CMS, Joomla, etc., but in this article, the author selected nine new awareness is not high, but can Very useful in some areas, currently in development stage, promising PHP open source projects. I am sure you will be amazed after reading the reader: the original PHP is also capable so many things.

Many Content Management System does not have image editing. And all users does not have an image editing program, that´s why PHP Image Editor has been developed. It just receives an image path, and then it´s possible to start editing. It´s really simple to install as a plugin in Joomla, and it´s easy to add to your own Content Management System.

Yahoo BOSS (Build your Own Search Service) is a free search API. This package can retrieve results of web, news and image search and also cache them.

A large number of PHP Open Source Applications to change the world, change the Internet.

CubicTest is an open source tool for writing functional tests for web applications, written as an eclipse-plugin and released under the Eclipse Public License.

phpWebSite provides a complete web site content management system. Web-based administration allows for easy maintenance of interactive, community-driven web sites.

Web-based social bookmarking system. Allows multiple users to store, share and tag their favourite links online.

sabros.us is a system to organize the bookmarks added to your web. Same as de.icio.us, you can manage your bookmars, but with sabros.us you can do it in your own web page.

PHPizabi is a feature rich social networking platform that integrates everything you need to jumpstart your community, dating site, or social networking portal right out of the box

Php-MultiShop is a CMS & e-Commerce System, an OpenSource platform to realize a virtual mall that includes various shops and contents. The user will have a global vision of the portal, to read the most interesting content (news, forums, curiosities, suggestions, reviews, cultural or commercial events, fairs, recipes, tourist itineraries,…) and will have the possibility to visit the shop desired.

osCommerce has attracted a large growing e-commerce community that consists of over 215,100 store owners and developers who support each other and extend osCommerce Online Merchant with add-ons being contributed on a daily basis.

Phenotype CMS is a PHP/MYSQL based Open Source Content Management Framework dedicated to serve two basic principles:

ezSQL is a class that makes it ridiculously easy to use mySQL, Oracle8, SQLite (PHP), within your PHP script. Includes lots of examples making it very easy to understand how to work with databases.

It checks if a given cache file exists and is updated. If it is updated, it outputs the cached content. Otherwise it starts capturing the output of the current script.