3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $t = [3,4,5]; $value = count($t) ?? 'default'; var_dump($value);
based on DTkdL
Output for 7.0.0 - 7.2.0
int(3)
Output for 5.4.2 - 5.6.21
Parse error: syntax error, unexpected '?' in /in/P40ke on line 3
Process exited with code 255.
Output for 5.3.18 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/P40ke on line 2
Process exited with code 255.