3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo hex2bin(hex2bin(bin2hex("OMG THIS IS AMAZING" . bin2hex("QRTZXVh"))));
Output for 5.4.4 - 5.6.28, 7.0.0 - 7.1.0
Warning: hex2bin(): Hexadecimal input string must have an even length in /in/bjsUh on line 3
Output for hhvm-3.12.0
Warning: hex2bin: malformed input in /in/bjsUh on line -1
Output for hhvm-3.10.0
Warning: hex2bin: malformed input in /in/bjsUh on line 3
Output for 5.4.0 - 5.4.3
Output for 5.0.0 - 5.3.29
Fatal error: Call to undefined function hex2bin() in /in/bjsUh 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/bjsUh 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/bjsUh 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/bjsUh on line 3