PHP and MySQL Web Development 4th Ed-tqw-_darksiderg

Table of Contents
Introduction 1
I Using PHP
1 PHP Crash Course 13
Before You Begin: Accessing PHP 14
Creating a Sample Application: Bob’s Auto Parts 14
Creating the Order Form 14
Processing the Form 16
Embedding PHP in HTML 17
PHP Tags 18
PHP Statements 19
Whitespace 20
Comments 20
Adding Dynamic Content 21
Calling Functions 22
Using the date() Function 22
Accessing Form Variables 23
Short, Medium, and Long Variables 23
String Concatenation 26
Variables and Literals 27
Understanding Identifiers 28
Examining Variable Types 29
PHP’s Data Types 29
Type Strength 29
Type Casting 30
Variable Variables 30
Declaring and Using Constants 31
Understanding Variable Scope 31
Using Operators 32
Arithmetic Operators 33
String Operators 34