Is this a bug in PHP arrays?

Asked Mar 28 '20 at 17:13

Active Mar 28 '20 at 17:15

Viewed 17 times

Let say we have an array:

$array = ["Key" => true];

Now if we tried to search for any value in that array with in_array function it always returns true:

if( in_array('value', $array) ) echo 'Exists'; // returns exists

Is this behavior is expected or it's just a bug?

edited Mar 28 '20 at 17:15

asked Mar 28 '20 at 17:13

Tarek.hms

It's not a bug. It is due to loose comparison, which is the default mode for `in_array`. – El_Vanja Mar 28 '20 at 17:14
I accidentally deleted the automated comment. Read [this](https://stackoverflow.com/questions/2739441/php-in-array-array-search-odd-behaviour). – El_Vanja Mar 28 '20 at 17:20
Yes, I saw it now, you're right. – Tarek.hms Mar 28 '20 at 17:21
@Tarek.hms add third parameter which is strict comparison and then have a look.https://3v4l.org/7eM2o – Alive to die - Anant Mar 28 '20 at 17:22
@AnantSingh---AlivetoDie That's very useful, thanks. – Tarek.hms Mar 28 '20 at 17:25
It isn't a bug, it's a feature. Being loosely typed is what allows PHP to do stuff like `if ($array) {}` when other languages require `if (Array.Size() > 0)` (just an example). – Álvaro González Mar 28 '20 at 18:57

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