client validation is a way to provide quick response to the user for whether their input is correct or not. It doesn't guarantee correctness of the posted data. Because everything from client can't be trusted.
On 5/15/08, Chris W <[EMAIL PROTECTED]> wrote: > I was wondering what others think of my approach to form validation. I know > many use Java script to do various validation. However, since there is no > way to be sure the data sent to the server is actually valid, you have to > check it in your php code on the server anyway. Granted you don't have to, > but if you don't, you are just asking for someone to hack your system, or at > the very least screw up your data. So my question is since you have to do a > validity check on the server, why bother with the Java script? The only > advantage I can see to doing it with Java script is it will cut down on the > errors in data that get to the server and then in turn reduce the number for > resubmits and keep traffic down a little. However since none of the > projects I have worked on are very high traffic sites, that hasn't been much > of a concern. > > Any thoughts? > > > -- > Chris W > KE5GIX > > "Protect your digital freedom and privacy, eliminate DRM, learn more at > http://www.defectivebydesign.org/what_is_drm"; > > Ham Radio Repeater Database. > http://hrrdb.com > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > > -- Regards, Wang Yi -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
