该算法将采用数字或单词并找到所有可能的组合

该算法将采用数字或单词并找到所有可能的组合

看看http://pear.php.net/package/Math_Combinatorics

<?phprequire_once 'Math/Combinatorics.php';$words = array('cat', 'dog', 'fish');$combinatorics = new Math_Combinatorics;foreach($combinatorics->permutations($words, 2) as $p) {  echo join(' ', $p), "n"; }

版画

cat dogdog catcat fishfish catdog fishfish dog