3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo bin2hex(hex2bin("1337")); ?>
based on 5OdJp
Output for 5.4.0 - 7.2.0
1337
Output for 5.0.0 - 5.3.29
Fatal error: Call to undefined function hex2bin() in /in/Q5gRu on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: hex2bin() in /in/Q5gRu on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: hex2bin() in /in/Q5gRu on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: hex2bin() in /in/Q5gRu on line 3