Handling PHP Form Postbacks: Same-Page Validation
Assuming a form will have problems allows you to more easily build validation routines.
Assuming a form will have problems allows you to more easily build validation routines.
Ensuring once-only processing of a post-back form in PHP is tricky, but there are a few strategies that make it possible.
I'll be at New England GiveCamp this weekend, helping Generations Inc., a Boston-based charity that couples literacy volunteers with those in need.
There are several ways to address a form in JavaScript -- which you use often depends on your use case.