Validating radio button with php
Form security (preventing exploits like SQL injection, XSS attacks etc ) are to be handled in addition to form validation.
Client-side form validations help in giving immediate feedback to the user.
It is also required to add server side form validation in your form processing script.
Valid values for $time Format are ‘12’, ‘24’, and null.
Zebra_Form has integrated cross-site scripting (XSS) prevention mechanism that automatically strips out potentially malicious code from the submitted data, and also features protection against cross-site request forgery (CSRF) attacks.