note 120066 added to ref.math

This is my factorial method <?php function factorial($nr) { $product = array_product(range(1,++$nr)); return $product / $nr; } ?> It uses the reversed method by applying division instead of multiplication, so it even returns the right answer when entering 0. ---- Server IP: 72.52.91.14 Probable Submitter: 217.100.37.18 ---- Manual Page -- http://php.net/manual/en/ref.math.php Edit -- https://master.php.net/note/edit/120066 Del: integrated -- https://master.php.net/note/delete/120066/integrated Del: useless -- https://master.php.net/note/delete/120066/useless Del: bad code -- https://master.php.net/note/delete/120066/bad+code Del: spam -- https://master.php.net/note/delete/120066/spam Del: non-english -- https://master.php.net/note/delete/120066/non-english Del: in docs -- https://master.php.net/note/delete/120066/in+docs Del: other reasons-- https://master.php.net/note/delete/120066 Reject -- https://master.php.net/note/reject/120066 Search -- https://master.php.net/manage/user-notes.php