gmp_sub
(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)
gmp_sub — Subtract numbers
说明
Subtracts num2 from num1
and returns the result.
参数
返回值
GMP 对象。
示例
示例 #1 gmp_sub() example
<?php
$sub = gmp_sub("281474976710656", "4294967296"); // 2^48 - 2^32
echo gmp_strval($sub) . "\n";
?>以上示例会输出：
281470681743360
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