(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)
gmp_com — Calculates one's complement
$num
Returns the one's complement of num.
num
GMP 对象或 int ，或数字string。
Returns the one's complement of num, as a GMP number.
示例 #1 gmp_com() example
<?php$com = gmp_com("1234");echo gmp_strval($com) . "\n";?>
以上示例会输出：
-1235
