Online PHP editor | refs for 1lAvO

@ 2022-11-30T10:51:39Z

<?php

    function highestBitsOfByte(int $byte, int $count = 2):int {
       if($count < 0 OR $count > 8) return false;  //Error
       return ($byte&0xFF) >> (8-$count); 
    }
    
    $input = 0b10011110;
    
    $r = highestBitsOfByte($input,2);
    
    echo sprintf('%08b',$r);