gmp_fact

(PHP 4 >= 4.0.4, PHP 5, PHP 7)

gmp_fact — Factorial

Açıklama

gmp_fact ( mixed $a ) : GMP

Calculates factorial (a!) of a.

Değiştirgeler

a

The factorial number.

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.

Dönen Değerler

A GMP number resource in PHP 5.5 and earlier, or a GMP object in PHP 5.6 and later.

Örnekler

Örnek 1 gmp_fact() example


<?php
$fact1 = gmp_fact(5); // 5 * 4 * 3 * 2 * 1
echo gmp_strval($fact1) . "\n";

$fact2 = gmp_fact(50); // 50 * 49 * 48, ... etc
echo gmp_strval($fact2) . "\n";
?>

Yukarıdaki örneğin çıktısı:

120
30414093201713378043612608166064768844377641568960512000000000000