Bug #76336 [Opn->Nab]: array foreach by reference will change the last value
| From: | peehaa@php.net | Date: | Sun, 13 May 2018 16:10:29 +0000 |
| Subject: | Bug #76336 [Opn->Nab]: array foreach by reference will change the last value | ||
| References: | 1 | Groups: | php.standards |
| Request: | Send a blank email to standards-+get-1330@lists.php.net to get a copy of this message | ||
Edit report at https://bugs.php.net/bug.php?id=76336&edit=1
ID: 76336
Updated by: peehaa@php.net
Reported by: janpoem at gmail dot com
Summary: array foreach by reference will change the last
value
-Status: Open
+Status: Not a bug
Type: Bug
Package: PHP Language Specification
Operating System: windows, ubuntu
PHP Version: 7.0.30
Block user comment: N
Private report: N
New Comment:
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
In specific the part about foreach and using references http://php.net/manual/en/control-structures.foreach.php
Previous Comments:
------------------------------------------------------------------------
[2018-05-13 15:27:40] janpoem at gmail dot com
Description:
------------
Foreach an array by reference will change the last value (previous).
Test script:
---------------
<?php
$array = [
['a' => 'aa'],
['b' => 'bb'],
['c' => 'cc'],
['d' => 'dd'],
['e' => 'ee'],
['f' => 'ff'],
];
foreach ($array as & $item) {
}
var_dump($array);
/*
here will output:
array(6) {
[0]=>
array(1) {
["a"]=>
string(2) "aa"
}
[1]=>
array(1) {
["b"]=>
string(2) "bb"
}
[2]=>
array(1) {
["c"]=>
string(2) "cc"
}
[3]=>
array(1) {
["d"]=>
string(2) "dd"
}
[4]=>
array(1) {
["e"]=>
string(2) "ee"
}
[5]=>
&array(1) {
["f"]=>
string(2) "ff"
}
}
*/
echo '=====================================', PHP_EOL;
foreach ($array as $item) {
var_dump($item);
}
/*
array(1) {
["a"]=>
string(2) "aa"
}
array(1) {
["b"]=>
string(2) "bb"
}
array(1) {
["c"]=>
string(2) "cc"
}
array(1) {
["d"]=>
string(2) "dd"
}
array(1) {
["e"]=>
string(2) "ee"
}
array(1) {
["e"]=>
string(2) "ee" // => this one was changed.
}
*/
------------------------------------------------------------------------
--
Edit this bug report at https://bugs.php.net/bug.php?id=76336&edit=1