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?
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4
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can you post the php snippet? – sas Feb 10 '14 at 13:40
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Sorry, on mobile and couldn't figure out how to format it. – K2xL Feb 10 '14 at 13:40
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1@DanFromGermany As you can see on the edit, it wasn't always there. – h2ooooooo Feb 10 '14 at 13:41
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5http://stackoverflow.com/questions/8220399/php-foreach-pass-by-reference-last-element-duplicating-bug – Eternal1 Feb 10 '14 at 13:41
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The code was hidden because of the `<` at the begin of the line (without 4 spaces to indicate a bloc of code) – Asenar Feb 10 '14 at 13:42
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Because PHP is not a programming language... – Nean Der Thal Feb 10 '14 at 13:44