note 60695 added to function.pi

For anyone wondering, the highest precision you can get for pi() or M_PI is 20 places after the decimal point, or 3.14159265358979323846. ---- Manual Page -- http://www.php.net/manual/en/function.pi.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+60695 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+60695&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+60695&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+60695&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+60695&report=yes&reason=useless Delete: non-english -- http://master.php.net/manage/user-notes.php?action=delete+60695&report=yes&reason=non-english Delete: already in docs -- http://master.php.net/manage/user-notes.php?action=delete+60695&report=yes&reason=already+in+docs Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+60695&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+60695&report=yes Search -- http://master.php.net/manage/user-notes.php