3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $b = false; $c = null $a = $b ? ? 456 : $c ?? 123 ; var_dump($a);
Output for 5.6.0 - 5.6.30, 7.0.0 - 7.1.7
Parse error: syntax error, unexpected '$a' (T_VARIABLE) in /in/8pH8X on line 6
Process exited with code 255.
Output for hhvm-3.15.4
Fatal error: Uncaught Error: syntax error, unexpected T_VARIABLE in /in/8pH8X:6 Stack trace: #0 {main}
Process exited with code 255.