ArrayIterator::key
(PHP 5)
ArrayIterator::key — Return current array key
Description
mixed ArrayIterator::key
( void
)
This function returns the current array key
Example#1 ArrayIterator::key() example
<?php
$array = array('key' => 'value');
$arrayobject = new ArrayObject($array);
$iterator = $arrayobject->getIterator();
echo $iterator->key(); //key
?>