Validating form input php
We will use the same PHP function to send the emails.We are also going to implement some basic security feature like sanitization and validation of the user's input so that user can not insert potentially harmful data that compromise the website security or might break the application.Let’s start with some brief explanation of what are we going to do.I’m sure that you have already seen a lots of different forms and you already noted that filling in some of them was much more convinient than filling in other ones.
The "welcome.php" looks like this: Think SECURITY when processing PHP forms!
We hope that you’ll find here something useful for you.
In this tutorial you'll learn how to sanitize and validate form data using PHP filters.
It is very essential to have the input to your form validated before taking the form submission data for further processing.
When there are many fields in the form, the PHP validation script becomes too complex.