gmp_fact

(PHP 4 >= 4.0.4, PHP 5)

gmp_fact — Factorial

Description

resource gmp_fact ( int $a )

Calculates factorial (a!) of a.

Příklad 605. 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";

?>

The printout of the above program will be:


120
30414093201713378043612608166064768844377641568960512000000000000

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Last updated: Sat, 24 Mar 2007