(PHP 4 >= 4.0.4, PHP 5)
gmp_add — Add numbers
Add two numbers.
A number that will be added.
It can be either a GMP number resource, or a numeric string given that it is possible to convert the latter to a number.
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