3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $test = array(6.9,5.01,5.4,6.9,5.1,5.2,5.3,5.5,4.2,4.05); usort($test, function ($a, $b) { return ceil($a - $b); }); print_r($test);
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => 4.05 [1] => 4.2 [2] => 5.01 [3] => 5.1 [4] => 5.2 [5] => 5.3 [6] => 5.4 [7] => 5.5 [8] => 6.9 [9] => 6.9 )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/lfUcV on line 4
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 T_FUNCTION in /in/lfUcV on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/lfUcV on line 4
Process exited with code 255.