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The IteratorAggregate interface


The IteratorAggregate interface

(PHP 5 >= 5.0.0)

Introduction

Interface to create an external Iterator.

Interface synopsis

IteratorAggregate extends Traversable {
/* Methods */
abstract public Traversable getIterator ( void )
}

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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