For Documentation, see:
    http://www.html-form-guide.com/php-form/php-form-validation.html

See the Sample code :

    samples\1-simple-example
        A simple example showing the usage of the form validator script

    samples\2-using-with-contact-form
        Shows how to integrate the form validations script with other scripts
        In this example, the form validation script is used with a contact form

    samples\3-with-client-side-validations
        Client side validations along with server side validations makes it perfect for
        better usage and security. The sample shows how to integrate with 
        JavaScript form validation script.

    samples\4-custom-validation
        Shows how to add a custom validation.

License:
    This program is free software published under the terms of the GNU Lesser General Public License.
    You can freely use it on commercial or non-commercial websites. 
    http://www.gnu.org/copyleft/lesser.html