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    The IteratorAggregate interface

    (PHP 5, PHP 7, PHP 8)

    Introduction

    Interface to create an external Iterator.

    Interface synopsis

    interface IteratorAggregate extends Traversable {
    /* Methods */
    public getIterator(): Traversable
    }

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

    public function     getIterator() {
    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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