3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array(array(['errors'] => array())); var_dump($a);
Output for hhvm-3.10.0 - 3.12.0
Warning: Invalid operand type was used: Invalid type used as key in /in/upkdi on line 2 array(1) { [0]=> array(0) { } }
Output for 5.4.0 - 5.6.28
Warning: Illegal offset type in /in/upkdi on line 2 array(1) { [0]=> array(0) { } }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.23
Parse error: syntax error, unexpected '[', expecting ')' in /in/upkdi on line 2
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 '[', expecting ')' in /in/upkdi on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/upkdi on line 2
Process exited with code 255.