Php/docs/function.gmp-add
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gmp_add
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
gmp_add — Add numbers
Parameters
aThe first summand (augent).
Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number.
bThe second summand (addend).
Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number.
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
