gmp_sub

Subtract numbers (PHP 4 >= 4.0.4, PHP 5)
resource gmp_sub ( resource a, resource b )

Subtracts b from a and returns the result.

例 698. gmp_sub() example

<?php
$sub
= gmp_sub("281474976710656", "4294967296"); // 2^48 - 2^32
echo gmp_strval($sub) . "\n";
?>

The printout of the above program will be:

281470681743360