0003783: array_keys function alters passed in array

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Category

Severity

Reproducibility

Date Submitted

Last Update

0003783

[Quercus]

major

always

11-23-09 19:06

11-23-09 21:59

Reporter

werelnon

View Status

public

Assigned To

Priority

normal

Resolution

open

Status

new

Product Version

4.0.2

Summary

0003783: array_keys function alters passed in array

Description

The function array_keys works fine on a single dimension array, but a severe issue crops up if used on a sub array of a multi dimension array. For example execute the following code:

<?
$test = array( 'fruit' => array( 'apple' => 'crisp', 'banana' => 'break', 'orange' => 'sour' ));
array_keys( $test['fruit'] );
print_r( $test );
?>

The output of this is:

Array ( [fruit] => Array )

Additional Information

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Notes
(0004311) werelnon 11-23-09 21:59	It seems that the array isn't actually altered by calling array_keys, but rather that it makes the subsequent print_r statement not work properly. If you change the test code to: <? $test = array( 'fruit' => array( 'apple' => 'crisp', 'banana' => 'break', 'orange' => 'sour' )); array_keys( $test['fruit'] ); var_dump( $test ); ?> The array looks fine. So, to clarify the bug here is that calling array_keys on a subarray makes a subsequent call to print_r malfunction.

Issue History
Date Modified	Username	Field	Change
11-23-09 19:06	werelnon	New Issue
11-23-09 21:59	werelnon	Note Added: 0004311

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