3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function is_serializable($_){ try { return serialize($_)!=''; } catch (Exception $e) { return 0; } } ?>
Output for 5.0.0 - 7.1.0
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '{' in /in/EHr6E on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '{' in /in/EHr6E on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/EHr6E on line 3
Process exited with code 255.