(PHP 4 >= 4.0.4)
Add two GMP numbers. The result will be a GMP number representing the sum of the arguments.
例子 1. gmp_add() example
<?php$sum = gmp_add("123456789012345", "76543210987655");echo gmp_strval($sum) . "\n";?>
The printout of the above program will be:
200000000000000