3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a['a'=>0]; if(!$a['b']) { $a['b'] = 1; } var_dump($a);
Output for 5.6.0 - 5.6.30, 7.0.0 - 7.1.6
Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW), expecting ']' in /in/1WF4M on line 3
Process exited with code 255.
Output for hhvm-3.15.4
Fatal error: Uncaught Error: syntax error, unexpected T_DOUBLE_ARROW, expecting ']' in /in/1WF4M:3 Stack trace: #0 {main}
Process exited with code 255.