Sign In Start Free Trial
Account

Add to playlist

Create a Playlist

Modal Close icon
You need to login to use this feature.
  • Book Overview & Buying PHP 7 Programming Cookbook
  • Table Of Contents Toc
PHP 7 Programming Cookbook

PHP 7 Programming Cookbook

By : Bierer
4.1 (8)
close
close
PHP 7 Programming Cookbook

PHP 7 Programming Cookbook

4.1 (8)
By: Bierer

Overview of this book

PHP 7 comes with a myriad of new features and great tools to optimize your code and make your code perform faster than in previous versions. Most importantly, it allows you to maintain high traffic on your websites with low-cost hardware and servers through a multithreading web server. This book demonstrates intermediate to advanced PHP techniques with a focus on PHP 7. Each recipe is designed to solve practical, real-world problems faced by PHP developers like yourself every day. We also cover new ways of writing PHP code made possible only in version 7. In addition, we discuss backward-compatibility breaks and give you plenty of guidance on when and where PHP 5 code needs to be changed to produce the correct results when running under PHP 7. This book also incorporates the latest PHP 7.x features. By the end of the book, you will be equipped with the tools and skills required to deliver efficient applications for your websites and enterprises.
Table of Contents (16 chapters)
close
close
15
Index

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 &quot;)
  • 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...

  1. 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 for the prospects table:
    COLUMN          TYPE              NULL   DEFAULT
    first_name      varchar(128)      No     None     NULL
    last_name       varchar(128)      No     None     NULL
    address         varchar(256)      Yes    None    ...
CONTINUE READING
83
Tech Concepts
36
Programming languages
73
Tech Tools
Icon Unlimited access to the largest independent learning library in tech of over 8,000 expert-authored tech books and videos.
Icon Innovative learning tools, including AI book assistants, code context explainers, and text-to-speech.
Icon 50+ new titles added per month and exclusive early access to books as they are being written.
PHP 7 Programming Cookbook
notes
bookmark Notes and Bookmarks search Search in title playlist Add to playlist download Download options font-size Font size

Change the font size

margin-width Margin width

Change margin width

day-mode Day/Sepia/Night Modes

Change background colour

Close icon Search
Country selected

Close icon Your notes and bookmarks

Confirmation

Modal Close icon
claim successful

Buy this book with your credits?

Modal Close icon
Are you sure you want to buy this book with one of your credits?
Close
YES, BUY

Submit Your Feedback

Modal Close icon
Modal Close icon
Modal Close icon