(PHP 4 >= 4.0.4, PHP 5, PHP 7)
gmp_com — Calculates one's complement
$a
Returns the one's complement of a.
a
PHP 5.5 之前为 GMP 数值资源,PHP 5.6 之后为 GMP 对象或数字,或可以转为数字的字符串。
Returns the one's complement of a, as a GMP number.
Example #1 gmp_com() example
<?php$com = gmp_com("1234");echo gmp_strval($com) . "\n";?>
以上例程会输出:
-1235