gmp_add

(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)

gmp_add — Add numbers

Description

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

Add two numbers.

Parameters

num1

The first summand (augent).

A GMP object, an int, or a string that can be interpreted as a number following the same logic as if the string was used in gmp_init() with automatic base detection (i.e. when base is equal to 0).

num2

The second summand (addend).

A GMP object, an int, or a string that can be interpreted as a number following the same logic as if the string was used in gmp_init() with automatic base detection (i.e. when base is equal to 0).

Return Values

A GMP number representing the sum of the arguments.

Examples

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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