3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $id = 14910855968770314426; var_dump($id); $guid = dechex($id); var_dump($guid);
Output for 4.3.0 - 5.0.1, 5.0.3 - 7.1.0
float(1.491085596877E+19) string(16) "ceee0080a3915000"
Output for 5.0.2
float(1.491085596877E+19) string(16) "7fffffffffffffff"