3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $in = [1,2,3]; function foo($bar) { $in[1] = 'herp'; } foo($in); var_dump($in);
based on 3lqMf
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/HpJFN 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/HpJFN on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/HpJFN on line 3
Process exited with code 255.