3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $arr = ['12', '14.25', '14.25', '17.10', '17.10', '14.25', '21.00', '21.00']; usort($arr, function($a,$b) { return strcmp($a,$b); }); var_dump($arr);
based on KBS1M
Output for 5.4.0 - 7.2.0
array(8) { [0]=> string(2) "12" [1]=> string(5) "14.25" [2]=> string(5) "14.25" [3]=> string(5) "14.25" [4]=> string(5) "17.10" [5]=> string(5) "17.10" [6]=> string(5) "21.00" [7]=> string(5) "21.00" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/m6cVv on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/m6cVv on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/m6cVv on line 3
Process exited with code 255.