Validating User Input?

[Script47]

So I was wondering if you suggest validating user input using PHP only or JS only, or using both?

[SRB]

Both.

-2short-

[Alan]

What guest said - both.

JS to save a trip to the server (and thus conserve resources, bandwidth, time etc)

PHP (or the language of your choice) on the backend to fully validate *all* input ensuring you duplicate what was done at JS level (after all, your client's JS may be disabled, or worse)

With care, you can write decent forms that are essentially self-validating at both layers.

[Guest]

To help with the JS validation, think about storing things in the data attribute, quite possibly the best plugin I have found for this is http://jqueryvalidation.org/ , of course you can choose to write it yourself.

[Script47]

PHP (or the language of your choice) on the backend to fully validate *all* input ensuring you duplicate what was done at JS level (after all, your client's JS may be disabled, or worse)

That's what I thought, doing both. But thought I would clarify.

 

To help with the JS validation, think about storing things in the data attribute, quite possibly the best plugin I have found for this is http://jqueryvalidation.org/ , of course you can choose to write it yourself.

Will look in to it, thanks. :)