3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo "\x74\x78\x6e\x5f...";
Output for 5.3.7 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
txn_...
Output for hhvm-3.10.0

Process exited with code 153.