Internal (built-in) functions
class
Language Reference
PHP Manual

# Classes and Objects (PHP 4)

## Table of Contents

- class
- extends
- Constructors
- Scope Resolution Operator (::)
- parent
- Serializing objects - objects in sessions
- The magic functions __sleep and __wakeup
- References inside the constructor
- Comparing objects

Internal (built-in) functions
class
Language Reference
PHP Manual