3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $foo = $bar['baz']['dawg'][0]->wham ?? 'foo'; echo isset($bar['baz']['dawg'][0]->wham) ? 'yeah' : 'nope' . PHP_EOL; echo $foo;
based on QeA4e
Output for 7.0.0 - 7.2.0
nope foo
Output for 5.3.20 - 5.6.28
Parse error: syntax error, unexpected '?' in /in/4jopB on line 3
Process exited with code 255.