3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function func(array $a){ $a[0]=10; } $a=[1, 2, 3, 4]; var_dump($a); func($a); var_dump($a);
Output for 5.4.0 - 5.6.21, hhvm-3.12.0, 7.0.0 - 7.1.0
array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) } array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) }
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.2.15 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/jf5VJ on line 7
Process exited with code 255.