PR: 129837 Submitted by: Zhen REN <bg1tpt@gmail.com> (maintainer)
permutations, without repitition, of a given set and subset size. Associative arrays are preserved. WWW: http://pear.php.net/package/Math_Combinatorics/ PR: ports/112824 Submitted by: Zhen REN <bg1tpt at gmail.com>