Working With Forms

March 31, 2008

[From Webreference]

Forms are how your users talk to your scripts. To get the most out of PHP, you must master forms. The first thing you need to understand is that although PHP makes it easy to access form data, you must be careful of how you work with the data.

A common mistake that novices make is to trust the data provided by an HTML form. If you have a drop-down menu that only allows the user to enter one of three values, you must still check those values. As mentioned in Chapter 3, you also cannot rely on JavaScript to stop people from sending whatever they like to your server.

The article continues at http://www.webreference.com/programming/php/working_with_forms/