(PHP 4 >= 4.0.4, PHP 5)
Calculates factorial (a!) of a.
a
Пример 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"; ?>
The printout of the above program will be:
120 30414093201713378043612608166064768844377641568960512000000000000
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gmp_divexact