Basic class definitions begin with the keyword class, followed by a class name, followed by a pair of curly braces which enclose the definitions of the properties

Examples: Inheritance Example

Examples: Trait example As of PHP 5.4.0, PHP implements a method of code reuse

Examples: References and Objects One of the key-points of PHP 5 OOP that is often

Examples: Final methods example PHP 5 introduces the final keyword, which prevents

Examples: self:: usage Static references to the current class like self::

Examples: Sleep and wakeup

Examples: Property declaration Class properties must be defined as public, private

Examples: property declarations Class member variables are called "properties"

Changelog: 5.3.0 Added __callStatic(). Added warning to enforce public visibility