<?php
$a = 10000;
$b = 11111;
$c = $a & $b;
$r = $a ^ $b;
var_dump(decbin($a), decbin($b), decbin($c), decbin($r), '---');
while ($c) {
$shift = $c << 1;
$c = $r & $shift;
$r ^= $shift;
var_dump(decbin($shift), decbin($c), decbin($r), $r, '---');
}
var_dump($r);
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
- string(14) "10011100010000"
string(14) "10101101100111"
string(14) "10001100000000"
string(12) "110001110111"
string(3) "---"
string(15) "100011000000000"
string(11) "10000000000"
string(15) "100101001110111"
int(19063)
string(3) "---"
string(12) "100000000000"
string(12) "100000000000"
string(15) "100001001110111"
int(17015)
string(3) "---"
string(13) "1000000000000"
string(1) "0"
string(15) "101001001110111"
int(21111)
string(3) "---"
int(21111)
- Output for 8.3.5
- Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
string(14) "10011100010000"
string(14) "10101101100111"
string(14) "10001100000000"
string(12) "110001110111"
string(3) "---"
string(15) "100011000000000"
string(11) "10000000000"
string(15) "100101001110111"
int(19063)
string(3) "---"
string(12) "100000000000"
string(12) "100000000000"
string(15) "100001001110111"
int(17015)
string(3) "---"
string(13) "1000000000000"
string(1) "0"
string(15) "101001001110111"
int(21111)
string(3) "---"
int(21111)
preferences:
282.7 ms | 403 KiB | 456 Q