3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(bin2hex(hex2bin(base_convert('11110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000', 2, 16))));
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
string(64) "0000000000000000000000000000000000000000000000000000000000000000"
Output for 5.0.0 - 5.3.29
Fatal error: Call to undefined function hex2bin() in /in/MKhfR 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/MKhfR 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/MKhfR 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/MKhfR on line 3