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ArrayObject::getIterator

(PHP 5, PHP 7, PHP 8)

ArrayObject::getIteratorCrear un nuevo iterador desde una instancia ArrayObject

Descripción

public ArrayObject::getIterator(): ArrayIterator

Crear un nuevo iterador desde una instancia ArrayObject.

Parámetros

Esta función no tiene parámetros.

Valores devueltos

Un iterador de una clase ArrayObject.

Ejemplos

Ejemplo #1 Ejemplo de ArrayObject::getIterator()

<?php
$array
= array('1' => 'uno',
'2' => 'dos',
'3' => 'tres');

$arrayobject = new ArrayObject($array);

$iterator = $arrayobject->getIterator();

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

$iterator->next();
}
?>

El resultado del ejemplo sería:

1 => uno
2 => dos
3 => tres

add a note

User Contributed Notes 1 note

up
1
doug at centraldesktop
11 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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