3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo $a ?? 3
Output for 7.0.0 - 7.0.2
Parse error: syntax error, unexpected end of file, expecting ',' or ';' in /in/in0Kn on line 3
Process exited with code 255.
Output for 5.3.22 - 5.6.17
Parse error: syntax error, unexpected '?' in /in/in0Kn on line 3
Process exited with code 255.