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PHP - gmp_add() Functions



Definition and Usage

The gmp_add() function returns the sum of two numbers.

Description

gmp_add() will add two numbers.

Syntax

gmp_add ( GMP $num1 , GMP $num2 ) : GMP

Parameters

Sr.No Parameter & Description
1

num1

It can a GMP resource number , a gmp object or a numeric string .

2

num2

It can a GMP resource number , a gmp object or a numeric string .

Return Values

PHP gmp_add () function returns sum of two given numbers.

PHP Version

This function will work from PHP Version greater than 5.0.0.

Example 1

Working of gmp_add() −

<?php
   $sum = gmp_add("1234567890167675", "76543210987655");
   echo "The sum is :".gmp_strval($sum);
?>

This will produce following result −

The sum is :1311111101155330

Example 2

Adding negative numbers −

<?php
   $sum = gmp_add("-1234567890167675", "-76543210987655");
   echo "The sum is :".gmp_abs($sum);
?>

This will produce following result −

The sum is :1311111101155330
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