The IteratorAggregate interface

(PHP 5, PHP 7, PHP 8)

Introduction

Interface to create an external Iterator.

Interface synopsis

interface IteratorAggregate extends Traversable {
/* Methods */
}

Examples

Example #1 Basic usage

<?php

class myData implements IteratorAggregate
{
public
$property1 = "Public property one";
public
$property2 = "Public property two";
public
$property3 = "Public property three";
public
$property4 = "";

public function
__construct()
{
$this->property4 = "last property";
}

public function
getIterator(): Traversable
{
return new
ArrayIterator($this);
}
}

$obj = new myData();

foreach (
$obj as $key => $value) {
var_dump($key, $value);
echo
"\n";
}

?>

The above example will output something similar to:

string(9) "property1"
string(19) "Public property one"

string(9) "property2"
string(19) "Public property two"

string(9) "property3"
string(21) "Public property three"

string(9) "property4"
string(13) "last property"

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