@ 2014-01-01T10:21:29Z <?php
$a = 0x80; // 128 base 10
var_dump($a);
var_dump(base_convert($a, 10, 2)); // not base_convert($a, 16, 2)
$b = ~$a; // -128 - 1 == -129 base 10
var_dump($b);
var_dump(base_convert($b, 10, 2), $b);// not base_convert($b, 16,2); can base_convert handle negative values?
printf("%b", $b);
echo "\n";
Enable javascript to submit You have javascript disabled. You will not be able to edit any code.
Output for 7.4.0 - 7.4.25 , 7.4.27 - 7.4.33 , 8.0.0 - 8.0.30 , 8.1.0 - 8.1.27 , 8.2.0 - 8.2.17 , 8.3.0 - 8.3.4 int(128)
string(8) "10000000"
int(-129)
Deprecated: Invalid characters passed for attempted conversion, these have been ignored in /in/FPYIC on line 7
string(8) "10000001"
int(-129)
1111111111111111111111111111111111111111111111111111111101111111
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 , 7.4.26 int(128)
string(8) "10000000"
int(-129)
string(8) "10000001"
int(-129)
1111111111111111111111111111111111111111111111111111111101111111
preferences:dark mode live preview
244.55 ms | 404 KiB | 456 Q