Utilizando o PHP na linha de comando
Reference Counting Basics
Características
PHP Manual

# Garbage Collection

## Índice

- Reference Counting Basics
- Collecting Cycles
- Performance Considerations

This section explains the merits of the new Garbage Collection (also known as GC) mechanism that is part of PHP 5.3.

Utilizando o PHP na linha de comando
Reference Counting Basics
Características
PHP Manual