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Mastering PHP Design Patterns

By : Junade Ali

1.5 (2)

Mastering PHP Design Patterns

1.5 (2)

By: Junade Ali

Overview of this book

Design patterns are a clever way to solve common architectural issues that arise during software development. With an increase in demand for enhanced programming techniques and the versatile nature of PHP, a deep understanding of PHP design patterns is critical to achieve efficiency while coding. This comprehensive guide will show you how to achieve better organization structure over your code through learning common methodologies to solve architectural problems. You’ll also learn about the new functionalities that PHP 7 has to offer. Starting with a brief introduction to design patterns, you quickly dive deep into the three main architectural patterns: Creational, Behavioral, and Structural popularly known as the Gang of Four patterns. Over the course of the book, you will get a deep understanding of object creation mechanisms, advanced techniques that address issues concerned with linking objects together, and improved methods to access your code. You will also learn about Anti-Patterns and the best methodologies to adopt when building a PHP 7 application. With a concluding chapter on best practices, this book is a complete guide that will equip you to utilize design patterns in PHP 7 to achieve maximum productivity, ensuring an enhanced software development experience.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

1. Why "Good PHP Developer" Isnt an Oxymoron

1. Why "Good PHP Developer" Isnt an Oxymoron

Coding style - the PSR standards

Revising object-oriented programming

Setting up the environment with Composer

The Gang of Four (GoF)

Summary

2. Anti-Patterns

2. Anti-Patterns

Why anti-patterns matter

Not invented here syndrome

God objects

Environment variables in PHP source

Singletons (and why you should be using dependency injection)

Database as IPC

Auto-increment database IDs

Cronjob imitating service

Software in place of architecture

Interface Bloat

Cart before the horse

Separation of development and operations

Excessive separation of development responsibilities

Error suppression operator

Blind faith

Sequential coupling

The big rewrite

Tester-Driven Development

Bloated optimization

Uneducated manager syndrome

Wrong rocky foundations

Long methods

Magic numbers

Summary

3. Creational Design Patterns

3. Creational Design Patterns

Software design process

Simple Factory

Factory Method

Abstract Factory pattern

Lazy initialization

Builder pattern

Prototype pattern

Summary

4. Structural Design Patterns

4. Structural Design Patterns

Agile software architecture

Decorator

Adapter

FlyWeight

Composite

Bridge

Proxy pattern

Facade

Summary

5. Behavioral Design Patterns

5. Behavioral Design Patterns

Personality traits for passionate programmers

Observer pattern (SplObserver/SplSubject)

Iterators

Generators

Template Method design pattern

Chain of Responsibility

Strategy design pattern

Specification design pattern

Scheduled Task pattern

Summary

6. Architectural Patterns

6. Architectural Patterns

Model-View-Controller (MVC)

Service-oriented architecture

Microservices

Asynchronous queueing

Summary

7. Refactoring

7. Refactoring

What is refactoring?

Test, test, and test again

Code smells

What do I tell my manager?

Summary

8. How to Write Better Code

8. How to Write Better Code

Nature of a HTTP request

RESTful API design

When in doubt – KISS

Software development life cycle

On Scrum, and real Agility

You need to sack people sometimes

Lean project management

YAGNI and defering decisions

Monitoring

Tests fight legacy

Behavior-Driven Development

Summary

Conventions

In this book, you will find a number of text styles that distinguish between different kinds of information. Here are some examples of these styles and an explanation of their meaning.

Code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles are shown as follows: "The index.php file now yields this result".

A block of code is set as follows:

<?php 
 
abstract class Notifier 
{ 
 protected $to; 
 
 public function __construct(string $to) 
 { 
 $this->to = $to; 
 } 
 
 abstract public function validateTo(): bool; 
 
 abstract public function sendNotification(): string; 
 
}

Any command-line input or output is written as follows:

echo $richard->hasPaws;

New terms and important words are shown in bold. Words that you see on the screen, for example, in menus or dialog boxes, appear in the text like this: "direct your web browser to your chosen web server and you should see Hello world! pop up on screen."

Note

Warnings or important notes appear in a box like this.

Tip

Tips and tricks appear like this.

Visually different images

CONTINUE READING

83

Tech Concepts

36

Programming languages

73

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