Combinations with repetitions: Difference between revisions

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@@ Line 867: / Line 867: @@
 <?php
   function combos($arr, $k) {
-    if ($k == 1) {
+    if ($k == 0) {
-      $result = array();
+      return array(array());
-      foreach ($arr as $elem) {
-        array_push($result, array($elem));
-      }
-      return $result;
     }