note 129216 added to function.bcpowmod

Why this function is so slow for 500-digit numbers? BigInt in JS works more than 1000 times faster. Is there any implementation JS BigInt in PHP? ---- Server IP: 45.112.84.4 Probable Submitter: 45.91.157.134 (proxied: 5.173.168.160) ---- Manual Page -- https://php.net/manual/en/function.bcpowmod.php Edit -- https://main.php.net/note/edit/129216 Del: integrated -- https://main.php.net/note/delete/129216/integrated Del: useless -- https://main.php.net/note/delete/129216/useless Del: bad code -- https://main.php.net/note/delete/129216/bad+code Del: spam -- https://main.php.net/note/delete/129216/spam Del: non-english -- https://main.php.net/note/delete/129216/non-english Del: in docs -- https://main.php.net/note/delete/129216/in+docs Del: other reasons-- https://main.php.net/note/delete/129216 Reject -- https://main.php.net/note/reject/129216 Search -- https://main.php.net/manage/user-notes.php