3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(strlen(pack("H*", "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002f7864656275672d322e322e312f7864656275675f786d6c2e63000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000")));
Output for 4.3.0 - 7.1.7
int(232)