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(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)
gmp_com — Calculates one's complement
$num
Returns the one's complement of num.
num
GMP 對象或 int ，或數字string。
Returns the one's complement of num, as a GMP number.
示例 #1 gmp_com() example
<?php$com = gmp_com("1234");echo gmp_strval($com) . "\n";?>
以上例程會(huì )輸出：
-1235