Why does this PHP code output 1,2,2?

Asked Feb 10 '14 at 13:38

Active Feb 10 '14 at 13:42

Viewed 136 times

Friend posted this PHP snippet.

<?
$a=array(1,2,3);
foreach ($a as &$item){}
foreach ($a as $item){}
print_r($a);

The output is 1,2,2 - why?

edited Feb 10 '14 at 13:42

Boaz

asked Feb 10 '14 at 13:38

K2xL

can you post the php snippet? – sas Feb 10 '14 at 13:40
Sorry, on mobile and couldn't figure out how to format it. – K2xL Feb 10 '14 at 13:40
1

@DanFromGermany As you can see on the edit, it wasn't always there. – h2ooooooo Feb 10 '14 at 13:41
5

http://stackoverflow.com/questions/8220399/php-foreach-pass-by-reference-last-element-duplicating-bug – Eternal1 Feb 10 '14 at 13:41
The code was hidden because of the ` – Asenar Feb 10 '14 at 13:42
Because PHP is not a programming language... – Nean Der Thal Feb 10 '14 at 13:44

0 Answers0