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gmp_sub
Subtract numbers
(PHP 4 >= 4.0.4, PHP 5)
resource gmp_sub ( resource a, resource b )
Parameters
- a
The number being subtracted from.
It can be either a GMP number resource, or a numeric string given that it is possible to convert the latter to a number.
- b
The number subtracted from a.
It can be either a GMP number resource, or a numeric string given that it is possible to convert the latter to a number.
Examples
Example 817. gmp_sub() example
<?php
$sub = gmp_sub("281474976710656", "4294967296"); // 2^48 - 2^32
echo gmp_strval($sub) . "\n";
?>The above example will output:
281470681743360