@ 2014-09-26T14:38:20Z <?php
$langs = array('en' => 'english', 'de' => 'german');
echo key(reset($langs));
Enable javascript to submit You have javascript disabled. You will not be able to edit any code.
Output for 8.0.0 - 8.0.30 , 8.1.0 - 8.1.28 , 8.2.0 - 8.2.18 , 8.3.0 - 8.3.6 Fatal error: Uncaught TypeError: key(): Argument #1 ($array) must be of type array, string given in /in/kSBGO:4
Stack trace:
#0 /in/kSBGO(4): key('english')
#1 {main}
thrown in /in/kSBGO on line 4
Process exited with code 255 . Output for 5.3.0 - 5.3.29 , 5.4.0 - 5.4.45 , 5.5.24 - 5.5.35 , 5.6.8 - 5.6.28 , 7.0.0 - 7.0.20 , 7.1.0 - 7.1.33 , 7.2.0 - 7.2.33 , 7.3.0 - 7.3.33 , 7.4.0 - 7.4.33 Warning: key() expects parameter 1 to be array, string given in /in/kSBGO on line 4
Output for 4.3.2 - 4.3.11 , 4.4.0 - 4.4.9 , 5.0.0 - 5.0.4 , 5.1.0 - 5.1.6 , 5.2.0 - 5.2.17 Warning: key(): Passed variable is not an array or object in /in/kSBGO on line 4
Output for 5.0.5 Fatal error: Only variables can be passed by reference in /in/kSBGO on line 4
Process exited with code 255 . Output for 4.3.0 - 4.3.1 Warning: key() [http://www.php.net/function.key]: Passed variable is not an array or object in /in/kSBGO on line 4
preferences:dark mode live preview
315.42 ms | 401 KiB | 357 Q