3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = null; //if(!$a) $a = [1]; $a or $a = [1]; echo $a;
based on 10k9n
Output for 5.4.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Notice: Array to string conversion in /in/9vZSF on line 5 Array
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/9vZSF 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 '[' in /in/9vZSF on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/9vZSF on line 4
Process exited with code 255.