3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo uniqueid('php_'); ?>
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to undefined function uniqueid() in /in/tM9vq:2 Stack trace: #0 {main} thrown in /in/tM9vq on line 2
Process exited with code 255.
Output for 5.4.0 - 5.6.28
Fatal error: Call to undefined function uniqueid() in /in/tM9vq on line 2
Process exited with code 255.