3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump( $a ?? $b ?? $c ?? $d ?? $e ?? 'foo'; );
Output for 7.0.0
Parse error: syntax error, unexpected ';', expecting ',' or ')' in /in/A2HD3 on line 5
Process exited with code 255.
Output for 5.3.20 - 5.6.16
Parse error: syntax error, unexpected '?' in /in/A2HD3 on line 5
Process exited with code 255.