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How to perform binary (bitwise) AND (&) with NOT (~) in PHP

2 Answers

0 votes
$x = "01101010";
$y = "01011001";

echo "x = " . $x . "<br />";

$result = ~bindec($y);
echo "~y = " . decbin($result) . "<br />";
 
$result = bindec($x) & ~bindec($y);
 
echo "result = " . decbin($result);



/*
run:
     
 x =                         01101010
~y = 11111111111111111111111110100110
result = 100010
 
*/

 




answered Nov 22, 2017 by avibootz
edited Nov 23, 2017 by avibootz
0 votes
$x = "01101010";
$y = "01011001";

$result = ~bindec($x);
echo "~x = " . decbin($result) . "<br />";

echo "y = " . $y . "<br />";
 
$result = ~bindec($x) & bindec($y);
 
echo "result = " . decbin($result);



/*
run:
     
~x = 11111111111111111111111110010101
 y =                         01011001
result = 10001
 
*/

 




answered Nov 23, 2017 by avibootz
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