3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php unhex('\x64\x69\x73\x70\x6cay_\x65\x72\x72\x6f\x72\x73');
based on kuLmD
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to undefined function unhex() in /in/INg29:2 Stack trace: #0 {main} thrown in /in/INg29 on line 2
Process exited with code 255.
Output for 5.3.17 - 5.6.28
Fatal error: Call to undefined function unhex() in /in/INg29 on line 2
Process exited with code 255.