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ArrayIterator::key

(PHP 5)

ArrayIterator::key — Return current array key

Descripción

mixed ArrayIterator::key ( void )

This function returns the current array key

Lista de parámetros

This function has no parameters.

Valores retornados

The current array key.

Ejemplos

   

Example #1 ArrayIterator::key() example

<?php
$array 
= array('key' => 'value');

$arrayobject = new ArrayObject($array);
$iterator $arrayobject->getIterator();

echo 
$iterator->key(); //key
?>