3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $string = hex2bin("2274726f6c6f6c6f22"); echo dechex(crc32($string));
Output for 5.4.0 - 7.1.0
a90e24bd
Output for 5.0.0 - 5.3.29
Fatal error: Call to undefined function hex2bin() in /in/lbrJu on line 2
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: hex2bin() in /in/lbrJu on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: hex2bin() in /in/lbrJu on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: hex2bin() in /in/lbrJu on line 2