gmp_com
(PHP 4 >= 4.0.4, PHP 5)
gmp_com — Calculates one's complement
说明
resource gmp_com
( resource $a
)
Returns the one's complement of a .
参数
- a
-
It can be either a GMP number resource, or a numeric string given that it is possible to convert the latter to a number.
返回值
Returns the one's complement of a , as a GMP number.
范例
Example#1 gmp_com() example
<?php
$com = gmp_com("1234");
echo gmp_strval($com) . "\n";
?>
上例将输出：
-1235
