PHP Essentials

About this Book
The History of PHP
- The Creation of PHP
- PHP 3 Hits the Big Time
- PHP 4 - Optimization, Scalabilty and More
- PHP 5 - Object Orientation, Error Handling and XML
- How Popular is PHP?
An Overview of PHP
- What Exactly is PHP?
- How Does PHP Work?
- Why is PHP so Useful?
- Summary
Creating a Simple PHP Script
- The PHP Code Delimiters
- Testing the PHP Installation
- Emdedding PHP into an HTML File
- Embedding HTML into a PHP Script
- Summary
Commenting PHP Code
- PHP Single Line Comments
- PHP Multi-line Comments
- Summary
An Introduction to PHP Variables
- Naming and Creating a Variable in PHP
- Assigning a Value to a PHP Variable
- Accessing PHP Variable Values
- Changing the Type of a PHP Variable
- Checking Whether a Variable is Set
Understanding PHP Variable Types
- The PHP Integer Variable Type
- The PHP Float Variable Type
- The PHP Boolean Variable Type
- The PHP String Variable
- Extracting and Writing String Fragments
- Creating PHP heredoc Strings
PHP Constants
- Defining a PHP Constant
- Checking if a PHP Constant is Defined
- Using a Variable as a Constant Name
- Predefined PHP Constants
- PHP Script and Environment Related Constants
- PHP Mathematical Constants
PHP Operators
- PHP Assignment Operators
- PHP Arithmetic Operators
- PHP Comparison Operators
- PHP Logical Operators
- PHP Increment and Decrement Operators
- PHP String Concatenation Operator
- Concatenation of Numbers and Strings in PHP
- PHP Execution Operator - Executing Server Side Commands
PHP Flow Control and Looping
- PHP Conditional Statements
- The PHP if Statement
- The PHP if ... else Statements
- PHP Looping Statements
- PHP for loops
- PHP while loops
- PHP do ... while loops
- PHP switch Statements
- Breaking a Loop
- Breaking Out of Nested Loops
- Skipping Statements in Current Loop Iteration
PHP Functions
- What is a PHP Function?
- How to Write a PHP Function
- Returning a Value from a PHP Function
- Passing Parameters to a PHP Function
- Calling PHP Functions
- Passing Parameters By Reference
- Returning Values By Reference
- Functions and Variable Scope
PHP Arrays
- How to Create a PHP Array
- Accessing Elements in a PHP Array
- Creating an Associative Array
- Accessing Elements of an Associative Array
- Accessing Elements in a Multidimensional PHP Array
- Using PHP Array Pointers
- Changing, Adding and Removing PHP Array Elements
- Looping through PHP Array Elements
- Replacing Sections of an Array
- Sorting a PHP Array
- Sorting Associative Arrays
- Getting Information About PHP Arrays & other Array Functions
- Summary
Working with Strings and Text in PHP
- Changing the Case of a PHP String
- Converting to and from ASCII Values
- Printing Formatted Strings in PHP
- PHP printf formatting specifiers
- Finding the Length of a PHP String
- Converting a String into a PHP Array
- Removing Leading and Trailing Whitespace from a PHP String
- Comparing Strings in PHP
- String Comparison Functions Return Value
- Accessing and Modifiying Characters in String
- Searching for Characters and Substrings in a PHP String
- Extracting and Replacing Substrings in PHP
- Replacing All Instances of a Word in a PHP String
PHP, Filesystems and File I/O
- Opening and Creating Files in PHP
- Closing Files in PHP
- Writing to a File using PHP
- Reading From a File using PHP
- Checking Whether a File Exists
- Moving, Copying and Deleting Files with PHP
- Accessing File Attributes
- PHP Output Buffering
Working with Directories in PHP
- Creating Directories in PHP
- Deleting a Directory
- Finding and Changing the Current Working Directory
- Listing Files in a Directory
An Overview of HTML Forms
- Creating HTML Forms
- HTML Text Object
- HTML TextArea Object
- The HTML Button Object
- HTML Check Boxes
- HTML Radio Buttons
- HTML Drop-down / Select Object
- HTML Password Object
- Summary
PHP and HTML Forms
- Creating the Form
- Processing Form Data Using PHP
- Processing Multiple Selections with PHP
PHP and Cookies - Creating, Reading and Writing
- The Difference Between Cookies and PHP Sessions
- The Structure of a Cookie
- Cookie Name / Value Pair
- Cookie Expiration Setting
- Cookie path Setting
- Cookie domain Setting
- Cookie Security Setting
- Creating a Cookie in PHP
- Reading a Cookie in PHP
- Deleting a Cookie
Understanding PHP Sessions
- What is a PHP Session?
- Creating a PHP Session
- Creating and Reading PHP Session Variables
- Writing PHP Session Data to a File
- Reading a Saved PHP Session
PHP Object Oriented Programming
- What is an Object?
- What is a Class?
- How is an Object Created from a Class?
- What is sub-classing?
- Defining a PHP Class
- PHP Class Constructors and Destructors
- Creating Members in a PHP Class
- Defining and Calling Methods
- Subclassing in PHP
- PHP Object Serialization
- Getting Information about a PHP Object
Using PHP with MySQL
- Creating a MySQL User Account
- Creating and Select MySQL Database
- Creating a MySQL Database Table
- Inserting Data into a MySQL Database Table
- Connecting wiht PHP to a MySQL Server
- Selecting Records from a MySQL Database Using PHP
- Adding Records to MySQL Database using PHP
- Modifying and Deleting MySQL Records using PHP
- Using PHP to get Information about a MySQL Database
- Summary
PHP and SQLite
- Creating an SQLite Datbase with PHP
- Using PHP to Add Records to an SQLite Database
- Using PHP to Select Records from an SQLite Database

PHP Essentials

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