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Bug #60426 array_keys convert keys type
Submitted: 2011-12-01 14:26 UTC Modified: 2011-12-01 14:50 UTC
From: damiannohales at gmail dot com Assigned:
Status: Not a bug Package: Arrays related
PHP Version: Irrelevant OS: Ubuntu
Private report: No CVE-ID: None
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 [2011-12-01 14:26 UTC] damiannohales at gmail dot com
Description:
------------
I noticed when I extract the keys of an array using array_keys, if a key is an string with a number, on the resulting array from the array_keys execution I get an integer for this key instead of a string.

My version of PHP is 5.3.5-1ubuntu7.3.

Regards!

Test script:
---------------
$a = array(
	'1' => 'apple',
	'2' => 'banana',
	'3' => 'orange',
	'4' => 'stawberry',
);
$keys = array_keys($a);
echo gettype( $keys[0] );

Expected result:
----------------
Output:

string

Actual result:
--------------
Output

integer

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 [2011-12-01 14:50 UTC] laruence@php.net
-Status: Open +Status: Bogus
 [2011-12-01 14:50 UTC] laruence@php.net
Thank you for taking the time to write to us, but this is not
a bug. Please double-check the documentation available at
http://www.php.net/manual/ and the instructions on how to report
a bug at http://bugs.php.net/how-to-report.php

" A key may be either an integer or a string. If a key is the standard 
representation of an integer, it will be interpreted as such (i.e. "8" will be 
interpreted as 8, while "08" will be interpreted as "08"). " 
http://www.php.net/manual/en/language.types.array.php
 
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