Combinations with repetitions: Difference between revisions

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@@ Line 871: / Line 871: @@
     }
-    $head = $arr[0];
+    if (count($arr) == 0) {
+      return array();
-    if (count($arr) == 1) {
-      $result = array();
-      for ($i = 0; $i < $k; $i += 1) {
-        array_push($result, $head);
-      }
-      return array($result);
     }
+    $head = $arr[0];
     $combos = array();