GMP_SUB(3) 1 GMP_SUB(3)
gmp_sub - Subtract numbers
SYNOPSIS
GMP gmp_sub (GMP $a, GMP $b)
DESCRIPTION
Subtracts $b from $a and returns the result.
PARAMETERS
o $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.
o $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.
RETURN VALUES
A GMP number resource in PHP 5.5 and earlier, or a GMP object in PHP 5.6 and later.
EXAMPLES
Example #1
gmp_sub(3) example
<?php
$sub = gmp_sub("281474976710656", "4294967296"); // 2^48 - 2^32
echo gmp_strval($sub) . "
";
?>
The above example will output:
281470681743360
PHP Documentation Group GMP_SUB(3)
