How to access the form's 'name' variable from PHP

Question

I\'m trying to create a BMI calculator. This should allow people to use either metric or imperial measurements.

I realise that I could use hidden tags to solve my pr

Answer 1

As petervandijck.com pointed out, this code may be susceptible to XSS attacks if you have it behind some kind of log-in system or have it embedded in other code.

To prevent an XSS attack, where you have written:

You should write instead:

Which could even be better written as: