3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $val = 12; $bin_val = 1 << ($val -1); var_dump($bin_val); $val = 1 >> ($val - 1); var_dump($val);
based on NBO3l
Output for 4.3.0 - 7.1.0
int(2048) int(0)