php man page for gmp_fact

Query: gmp_fact

OS: php

Section: 3

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

GMP_FACT(3)								 1							       GMP_FACT(3)

gmp_fact - Factorial

SYNOPSIS
GMP gmp_fact (mixed $a)
DESCRIPTION
Calculates factorial ( a!) of $a.
PARAMETERS
o $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.
RETURN VALUES
A GMP number resource in PHP 5.5 and earlier, or a GMP object in PHP 5.6 and later.
EXAMPLES
Example #1 gmp_fact(3) example <?php $fact1 = gmp_fact(5); // 5 * 4 * 3 * 2 * 1 echo gmp_strval($fact1) . " "; $fact2 = gmp_fact(50); // 50 * 49 * 48, ... etc echo gmp_strval($fact2) . " "; ?> The above example will output: 120 30414093201713378043612608166064768844377641568960512000000000000 PHP Documentation Group GMP_FACT(3)
Related Man Pages
php_logo_guid(3) - php
gmp_div_q(3) - php
gmp_prob_prime(3) - php
gmp_strval(3) - php
pow(3) - php
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