<?php
$bits32 = 32;
$bits64 = 64;
$N32 = 0xfffffffe;
$N64 = 0xfffffffffffffffe;
$result = -( pow(2, $bits32) - $N32 );
echo $result,"\n";
$result = -( pow(2, $bits64) - $N64 );
echo $result,"\n";
echo pow(2,$bits64);
- Output for 7.0.2 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.12 - 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 - 8.3.6
- -2
-0
1.844674407371E+19
- 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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.1
- -2
0
1.844674407371E+19
preferences:
193.87 ms | 404 KiB | 314 Q