Librería Portfolio

Learn PHP, the programming language used to build sites like Facebook, Wikipedia and WordPress, then discover how these sites store information in a database (MySQL) and use the database to create the web pages.

This full-color book is packed with inspiring code examples, infographics and photography that not only teach you the PHP language and how to work with databases, but also show you how to build new applications from scratch. It demonstrates practical techniques that you will recognize from popular sites where visitors can:

Register as a member and log in
Create articles, posts and profiles that are saved in a database
Upload their own images and files
Automatically receive email notifications
Like and comment on posts.

To show you how to apply the skills you learn, you will build a complete content management system, enhanced with features that are commonly seen on social networks.

Written by best-selling HTML & CSS and JavaScript & jQuery author Jon Duckett, this book uses a unique visual approach, with step-by-step instructions, practical code examples and pro tips that will teach you how to build modern database-driven websites using PHP.



Table of contents

Introduction 1

Section A Basic Programming Instructions 17

Chapter 1 Variables, Expressions & Operators 29

Chapter 2 Control Structures 67

Chapter 3 Functions 103

Chapter 4 Objects & Classes 143

Section B Dynamic Web Pages 177

Chapter 5 Built-In Functions 201

Chapter 6 Getting Data From Browsers 231

Chapter 7 Images & Files 285

Chapter 8 Dates & Times 309

Chapter 9 Cookies & Sessions 329

Chapter 10 Error Handling 349

Section C Database Driven Websites 381

Chapter 11 Structured Query Language 397

Chapter 12 Get & Show Data From a Database 433

Chapter 13 Updating Data in a Database 483

Section D Extending the Sample Application 521

Chapter 14 Refactoring & Dependency Injection 533

Chapter 15 Namespaces & Libraries 557

Chapter 16 Membership 603

Chapter 17 Adding Functionality 633

Index 662