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gmp_add

(PHP 4 >= 4.0.4, PHP 5, PHP 7)

gmp_add — Add numbers

gmp_add ( GMP|int|string $num1 , GMP|int|string $num2 ) : GMP

Add two numbers.

num1

The first summand (augent).

A GMP object, an int or a numeric string.

num2

The second summand (addend).

A GMP object, an int or a numeric string.

A GMP number representing the sum of the arguments.

Example #1 gmp_add() example

<?php
$sum = gmp_add("123456789012345", "76543210987655");
echo gmp_strval($sum) . "\n";
?>

The above example will output:

200000000000000

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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.gmp-add.php