ArrayIterator::getArrayCopy

(PHP 5, PHP 7, PHP 8)

ArrayIterator::getArrayCopy — Get array copy

Description

public ArrayIterator::getArrayCopy(): array

Get a copy of an array.

Warning

This function is currently not documented; only its argument list is available.

Parameters

This function has no parameters.

Return Values

A copy of the array, or array of public properties if ArrayIterator refers to an object.

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User Contributed Notes

irvine L

7 years ago

Just in case some of you out there do NOT know this: 

(a). 'getArrayCopy()', returns a copy of the ORIGINAL array - iterator object. Therefore, using (for example) 'LimitIterator' on an array-object, and then calling 'getArrayCopy' afterwards, might not return the current (adjusted) object. 

(b). Instead, use the 'iterator_to_array' function, in order to access, or return, the current state of the array-object-iterator (whatever). Using the example above (in '(a)'); passing the 'LimitIterator' object into 'iterator_to_array', should return the CURRENT, and NOT ORIGINAL state of your array (iterator object).

lenye01 at gmail dot com

14 years ago

the difference of this method and the direct assign the object to a value is as follows:

<?php
$b = array('name'=>'mengzhi','age'=>'12','city'=>'shanghai');
$a = new ArrayIterator($b);
$a->append(array('home'=>'china','work'=>'developer'));
$c = $a->getArrayCopy();
var_dump($a);
var_dump($c);
?>
result:
object(ArrayIterator)#1 (1) { ["storage":"ArrayIterator":private]=> array(4) { ["name"]=> string(7) "mengzhi" ["age"]=> string(2) "12" ["city"]=> string(8) "shanghai" [0]=> array(2) { ["home"]=> string(5) "china" ["work"]=> string(9) "developer" } } } 

array(4) { ["name"]=> string(7) "mengzhi" ["age"]=> string(2) "12" ["city"]=> string(8) "shanghai" [0]=> array(2) { ["home"]=> string(5) "china" ["work"]=> string(9) "developer" } }