gmp_mod
<?php
function fact($x)
{
$factorial = 1;
for ($i=2; $i < $x; $i++) {
$factorial = gmp_mul($factorial, $i);
}
return $factorial;
}
echo gmp_strval(fact(1000)) . "\n";
?>
gmp_mul
(PHP 4 >= 4.0.4, PHP 5)
gmp_mul — Multiply numbers
Описание
resource gmp_mul
( resource $a
, resource $b
)
Multiplies a by b and returns the result.
Список параметров
- a
-
A number that will be multiplied by b .
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 multiplied by a .
It can be either a GMP number resource, or a numeric string given that it is possible to convert the latter to a number.
Возвращаемые значения
A GMP number resource.
Примеры
Пример #1 gmp_mul() example
<?php
$mul = gmp_mul("12345678", "2000");
echo gmp_strval($mul) . "\n";
?>
Результат выполнения данного примера:
24691356000
add a note
User Contributed Notesgmp_mul
06-Dec-2006 10:11