3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $t = []; $value = count($t) ?? 'default'; var_dump($value);
based on 9pZ2L
Output for 7.0.0 - 7.2.0
int(0)
Output for 5.4.1 - 5.6.28
Parse error: syntax error, unexpected '?' in /in/DTkdL on line 3
Process exited with code 255.
Output for 5.3.18 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/DTkdL on line 2
Process exited with code 255.