PHP: The "Right" Way
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PHP: The "Right" Way

Your guide to PHP best practices, coding standards, and authoritative tutorials.
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About the Book

There’s a lot of outdated information on the Web that leads new PHP users astray, propagating bad practices and insecure code. PHP: The Right Way is an easy-to-read, quick reference for PHP popular coding standards, links to authoritative tutorials around the Web and what the contributors consider to be best practices at the present time.

There is no canonical way to use PHP. This book aims to introduce new PHP developers to some topics which they may not discover until it is too late, and aims to give seasoned pros some fresh ideas on those topics they’ve been doing for years without ever reconsidering. This ebook will also not tell you which tools to use, but instead offer suggestions for multiple options, when possible explaining the differences in approach and use-case.

This is a living document and will continue to be updated with more helpful information and examples as they become available.

About the Editors

Phil Sturgeon
Phil Sturgeon

Since 2010 I've worked as a freelancer, consultant, Head of API, and CTO, for several API-centric technology startups. Most recently I have been working as an internal API consultant for WeWork, where I used my experience to help educate developers, define standards for API design and architecture, and work on open-source tooling like OpenAPI, JSON Schema, and HTTP. WeWork has 50+ APIs, and trying to get them all playing nicely together was a constant source of learning for me and those involved. Timeouts, circuit breakers, using service mesh instead of just hoping for the best, nd generally focusing on better design, leveraging async whenever possible, and all sorts of other interesting issues.

When I'm not fighting APIs I'm riding bikes. Racing them, crashing them, or rolling around with my mates, I'm either on two wheels, writing about tech, having a cider, or D) all of the above.

Josh Lockhart
Josh Lockhart

Creator of the Slim Framework and PHP The Right Way. Senior developer at New Media Campaigns.

Table of Contents

  • 1. Getting Started
    • 1.1 Use the Current Stable Version (7.0)
    • 1.2 Built-in web server
    • 1.3 Mac Setup
    • 1.4 Windows Setup
  • 2. Code Style Guide
  • 3. Language Highlights
    • 3.1 Programming Paradigms
    • 3.2 Namespaces
    • 3.3 Standard PHP Library
    • 3.4 Command Line Interface
    • 3.5 Xdebug
  • 4. Dependency Management
    • 4.1 Composer and Packagist
    • 4.2 PEAR
  • 5. Coding Practices
    • 5.1 The Basics
    • 5.2 Date and Time
    • 5.3 Design Patterns
    • 5.4 Working with UTF-8
  • 6. Dependency Injection
    • 6.1 Basic Concept
    • 6.2 Complex Problem
    • 6.3 Containers
    • 6.4 Further Reading
  • 7. Databases
    • 7.1 MySQL Extension
    • 7.2 PDO Extension
    • 7.3 Interacting with Databases
    • 7.4 Abstraction Layers
  • 8. Templating
    • 8.1 Benefits
    • 8.2 Plain PHP Templates
    • 8.3 Compiled Templates
    • 8.4 Further Reading
  • 9. Errors and Exceptions
    • 9.1 Errors
    • 9.2 Exceptions
  • 10. Security
    • 10.1 Web Application Security
    • 10.2 Password Hashing
    • 10.3 Data Filtering
    • 10.4 Configuration Files
    • 10.5 Register Globals
    • 10.6 Error Reporting
  • 11. Testing
    • 11.1 Test Driven Development
    • 11.2 Behavior Driven Development
    • 11.3 Complementary Testing Tools
  • 12. Servers and Deployment
    • 12.1 Platform as a Service (PaaS)
    • 12.2 Virtual or Dedicated Servers
    • 12.3 Shared Servers
    • 12.4 Building and Deploying your Application
  • 13. Virtualization
    • 13.1 Vagrant
    • 13.2 Docker
  • 14. Caching
    • 14.1 Opcode Cache
    • 14.2 Object Caching
  • 15. Documenting your Code
    • 15.1 PHPDoc
  • 16. Resources
    • 16.1 From the Source
    • 16.2 People to Follow
    • 16.3 Mentoring
    • 16.4 PHP PaaS Providers
    • 16.5 Frameworks
    • 16.6 Components
    • 16.7 Other Useful Resources
    • 16.8 Video Tutorials
    • 16.9 Books
  • 17. Community
    • 17.1 PHP User Groups
    • 17.2 PHP Conferences
    • 17.3 ElePHPants

Causes Supported

Electronic Frontier Foundation

Defending your civil liberties in a digital world.
https://www.eff.org/

Based in San Francisco, EFF is a donor-supported membership organization working to protect fundamental rights regardless of technology.

From the Internet to the iPod, technologies are transforming our society and empowering us as speakers, citizens, creators, and consumers. When our freedoms in the networked world come under attack, the Electronic Frontier Foundation (EFF) is the first line of defense. EFF broke new ground when it was founded in 1990—well before the Internet was on most people's radar—and continues to confront cutting-edge issues defending free speech, privacy, innovation, and consumer rights today. From the beginning, EFF has championed the public interest in every critical battle affecting digital rights.

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