The Origin of PHP
PHP is better than Its alternatives
Interfaces to External systems
How PHP works with the Web Server
Hardware and Software requirements
What a PHP script looks like
Saving data for later
Receiving user input
Repeating code

How PHP scripts work
Basic PHP syntax
PHP data types
Displaying type information
Testing for a specific data type
Changing type with Set type
Operators
Variable manipulation
Dynamic variables
String in PHP

The if statement
Using the else clause with if statement
The switch statement
Using the ? operator
The while statement
The do while statement
The for statement
Breaking out of loops
Nesting loops
Summary

What a function
Defining a function
Returning value from function
User-defined functions
Dynamic function calls
Variable scope
Accessing variable with the global statement
Function calls with the static statement
Setting default values for arguments
Passing arguments to a function by value
Passing arguments to a function by reference
Testing for function existence Arrays
Single-Dimensional Arrays
Multidimensional Arrays
Casting Arrays
Associative arrays
Accessing arrays
Getting the size of an array
Looping through an array
Looping through an associative array
Examining arrays
Joining arrays
Sorting arrays
Sorting an associative arrays
Working With The File SystemWhat a function
Defining a function
Returning value from function
User-defined functions
Dynamic function calls
Variable scope
Accessing variable with the global statement
Function calls with the static statement
Setting default values for arguments
Passing arguments to a function by value
Passing arguments to a function by reference
Testing for function existence Arrays
Single-Dimensional Arrays
Multidimensional Arrays
Casting Arrays
Associative arrays
Accessing arrays
Getting the size of an array
Looping through an array
Looping through an associative array
Examining arrays
Joining arrays
Sorting arrays
Sorting an associative arrays

Creating and deleting a file
Reading and writing text files
Working with directories in PHP
Checking for existence of file
Determining file size
Opening a file for writing, reading, or appending
Writing Data to the file
Reading characters

Forms
Super global variables
The server array
A script to acquire user input
Importing user input
Accessing user input
Combine HTML and PHP code
Using hidden fields
Redirecting the user
File upload and scripts