3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php natsort($x = ['a', 'c', 'b']); for($i=0;$i<3;$i++){ echo $x[$i]; } foreach ($x as $n) { echo $n; }
Output for 7.0.0 - 7.1.0
Notice: Only variables should be passed by reference in /in/o8u2U on line 3 acbacb
Output for hhvm-3.12.0
Strict Warning: Only variables should be passed by reference in /in/o8u2U on line 3 acbacb
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.4.0 - 5.6.28
Strict Standards: Only variables should be passed by reference in /in/o8u2U on line 3 acbacb
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/o8u2U 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/o8u2U on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/o8u2U on line 3
Process exited with code 255.