Types - common types for PHP

Laurent Bedubourg

Table of Contents

Reference helper

Introduction

Creating a reference
Accessing the source object

function ref

function is_ref

Iterator interface

Introduction

Implementing an iterator

variables
constructor
method reset
method isValid
method next
method value
method index
method key (optional)
method remove (optional/dangerous)

Implementation example

Removable iterators

OString class

introduction

List of Examples
1. MyArrayIterator example
2. MyArrayIterator improved

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		Reference helper