August 2016
Intermediate to advanced
610 pages
11h 55m
English
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Filtering $_POST data
The process of filtering data can encompass any or all of the following:
- Removing unwanted characters (that is, removing
<script>tags) - Performing transformations on the data (that is, converting a quote to
") - Encrypting or decrypting the data
Encryption is covered in the last recipe of this chapter. Otherwise, we will present a basic mechanism that can be used to filter $_POST data arriving following form submission.
How to do it...
- First of all, you need to have an awareness of the data that will be present in
$_POST. Also, perhaps more importantly, you will need to be aware of the restrictions imposed by the database table in which the form data will presumably be stored. As an example, have a look at the database structure ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.