gmp_sub
gmp_sub
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
gmp_sub — Subtract numbers
Description
GMP gmp_sub ( GMP $a , GMP $b )
Subtracts b
from a
and returns the result.
Parameters
-
a
-
The number being subtracted from.
Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number.
-
b
-
The number subtracted from
a
.Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number.
Examples
Example #1 gmp_sub() example
<?php $sub = gmp_sub("281474976710656", "4294967296"); // 2^48 - 2^32 echo gmp_strval($sub) . "\n"; ?>
The above example will output:
281470681743360
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https://secure.php.net/manual/en/function.gmp-sub.php