PHP by Example: A Practical Guide to Creating Web Applications with PHP

Table of Contents
About the Author
About the Technical Reviewer
Acknowledgments
Introduction
Chapter 1: The First Program
	The Program’s Code
	The Interpreter Regime
	The Server Regime
	Summary
Chapter 2: Variables and  Data Types
	Introduction to Variables
	Basic Data Types
	The Arithmetic Operations
	The Comparison Operations
	The Logical Operations
	The Bitwise Operations
	The Operations with Strings
	Assigning Values
	The Ternary Operator
	Summary
Chapter 3: The Control Statements
	The if Conditional Statement
	The while Loop Statement
	The do-while Loop Statement
	The for Loop Statement
	The switch Selection Statement
	The goto Instruction
	The match Selection Statement
	Summary
Chapter 4: Arrays
	Getting Familiar with Arrays
	A Loop over an Array
	Multidimensional Arrays
	Array Assignments
	Concatenating Arrays
	Comparing Arrays
	Functions for Handling Arrays
	Summary
Chapter 5: Functions
	Creating Functions
	The Function Result
	The Type of Arguments and Result
	The Argument Passing Mechanism
	The Argument Value by Default
	An Arbitrary Number of Arguments
	Recursion
	The eval() Function
	Anonymous Functions
	Named Arguments
	Summary
Chapter 6: Useful Tricks and Operations
	References
	Constants
	Global Variables
	Static Variables
	Multiline Strings
	Using Files
	Including a File in the Program
	Summary
Chapter 7: Classes and Objects
	The OOP Principles
	Creating Classes and Objects
	The Methods
	The Constructor and the Destructor
	Static Fields and Methods
	Copying Objects
	Private Fields and Methods
	Special Methods
	Defining Fields in the Constructor
	Summary
Chapter 8: Inheritance
	Creating a Child Class
	Overriding Methods
	Constructors and Inheritance
	Inheritance and Private Members
	Protected Members of a Class
	Virtual Methods
	A Function as a Field Value
	Multilevel Inheritance
	Summary
Chapter 9: Advanced OOP Mechanisms
	Abstract Classes
	Interfaces
	Interface Inheritance
	Class Inheritance and Interface Implementation
	Traits
	Object Type Control
	A Namespace
	Anonymous Classes
	Summary
Chapter 10: Error Handling
	Exception Handling Principles
	Exception Classes
	Throwing Exceptions
	The Custom Exceptions
	Handling Exceptions of Different Classes
	Nested try-catch Constructions and the finally Block
	Rethrowing an Exception
	The Functions for Handling Errors
	Summary
Chapter 11: Generators and Iterators
	Getting Familiar with Generators
	A Generator Function with Arguments
	An Array Based on a Generator
	The Generator Result
	Using Generators
	Passing a Value to a Generator
	Iterators
	Summary
Chapter 12: Using PHP
	A Script in an HTML Document
	Handling the Request Parameters
	Using Buttons
	Using Several Buttons
	Using Lists and Checkboxes
	A Slider and Radio Buttons
	Summary
Chapter 13: Afterword: What Was and What Will Be
Index