ArrayObject::getIterator

(PHP 5, PHP 7, PHP 8)

ArrayObject::getIterator — Create a new iterator from an ArrayObject instance

Description

public ArrayObject::getIterator(): Iterator

Create a new Iterator (default is ArrayIterator ) from an ArrayObject instance.

Parameters

This function has no parameters.

Return Values

An iterator from an ArrayObject .

Examples

Example #1 ArrayObject::getIterator() example

<?php

$array = [
 '1' => 'one',
 '2' => 'two',
 '3' => 'three',
];

$arrayobject = new ArrayObject($array);

$iterator = $arrayobject->getIterator();

while ($iterator->valid()) {
 echo $iterator->key() . ' => ' . $iterator->current() . "\n";

 $iterator->next();
}

?>

The above example will output:

1 => one
2 => two
3 => three

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User Contributed Notes 1 note

down

doug at centraldesktop ¶

12 years ago

ArrayObject iterator class requires a child of ArrayObject or ArrayIterator
<?php
class MyIterator implements Iterator {
 public
 function __construct(ArrayObject $array, $flags = 0) {
 // ...
 }
 public 
 function current() {
 // ..
 }
 public 
 function next() {
 // ..
 }
 public 
 function key() {
 // ..
 }
 public 
 function valid() {
 // ..
 }
 public 
 function rewind() {
 // ..
 } 
}
$obj = new ArrayObject(array(), 0, 'MyIterator');
$obj->getIterator();
?>

PHP Fatal error: ArrayObject::getIterator(): Internal compiler error, Class is not child of ArrayObject or ArrayIterator in php shell code on line 1

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