3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo strlen('caa91d73-0b94-4dd3-bb70-31f441d8617a');
Output for 5.3.0 - 7.1.7, 7.2.0 - 7.2.6
36
Output for 7.1.10

Process exited with code 137.