GoLang ArrayIterator::key

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PHP ArrayIterator::key

PHP original manual for ArrayIterator::key [ show | php.net ]

ArrayIterator::key

(PHP 5, PHP 7)

ArrayIterator::keyReturn current array key

Description

public mixed ArrayIterator::key ( void )

This function returns the current array key

Parameters

This function has no parameters.

Return Values

The current array key.

Examples

Example #1 ArrayIterator::key() example

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

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

echo 
$iterator->key(); //key
?>