3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(${hex2bin('303132')});
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined variable: 012 in /in/SVR3I on line 2 NULL
Output for 5.0.0 - 5.3.29
Fatal error: Call to undefined function hex2bin() in /in/SVR3I 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/SVR3I 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/SVR3I 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/SVR3I on line 2