3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $nums = sort(explode('/', '3/2015/13')); $nums = [$nums[1], $nums[0], $nums[2]]; echo implode('/', $nums);
Output for 7.0.0 - 7.2.0
Notice: Only variables should be passed by reference in /in/FW9B8 on line 3 //
Output for 5.4.11 - 5.6.28
Strict Standards: Only variables should be passed by reference in /in/FW9B8 on line 3 //
Output for 5.3.21 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/FW9B8 on line 4
Process exited with code 255.