PHP5中文手册·Add numbers -- 追寻梦想＞编程乐园＞PHP 编程

resource gmp_add ( resource $a , resource $b )

Add two numbers.

a

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.

b

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";
?>

上例将输出：

200000000000000


	PHP5中文手册 gmp_abs gmp_and GMP PHP Manual gmp_add (PHP 4 >= 4.0.4, PHP 5) gmp_add — Add numbers 说明 resource gmp_add ( resource `$a` , resource `$b` ) Add two numbers. 参数 `a` 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. `b` 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. 返回值 A GMP number representing the sum of the arguments. 范例 Example#1 gmp_add() example `<?php $sum = gmp_add("123456789012345", "76543210987655"); echo gmp_strval($sum) . "\n"; ?>` 上例将输出： 200000000000000 gmp_abs gmp_and GMP PHP Manual