diff --git a/README.md b/README.md
index d6508f2..d49001b 100644
--- a/README.md
+++ b/README.md
@@ -45,6 +45,7 @@ list the function signatures as an overview:
     Iterator take(int $num, iterable $iterable)
     Iterator drop(int $num, iterable $iterable)
     Iterator repeat(mixed $value, int $num = INF)
+    Iterator cycle(iterable $iterable, int $num = INF)
     Iterator keys(iterable $iterable)
     Iterator values(iterable $iterable)
     bool     any(callable $predicate, iterable $iterable)
diff --git a/src/iter.php b/src/iter.php
index 86718d2..9f86dd8 100644
--- a/src/iter.php
+++ b/src/iter.php
@@ -326,6 +326,33 @@ function repeat($value, $num = INF) {
     }
 }
 
+/**
+ * Takes an iterator and cycles through its elements a given number of times
+ * 
+ * If working with a generator it is best to make it rewindable if the expected
+ * number of elements is large
+ * 
+ * Examples:
+ * 
+ *      iter\cycle([1, 2, 3], 3)
+ *      => iter(1, 2, 3, 1, 2, 3, 1, 2, 3)
+ * 
+ * @param mixed $iterable The iterator to cycle
+ * @param $num The number of items to cycle
+ * 
+ * @return \Iterator
+ */
+function cycle($iterable, $num = INF) {
+    if ($iterable instanceof \Generator) {
+        $iterable = toArray($iterable);
+    }
+    for ($i = 0; $i < $num; ++$i) {
+        foreach ($iterable as $key => $value) {
+            yield $key => $value;
+        }
+    }
+}
+
 /**
  * Returns the keys of an iterable.
  *
diff --git a/src/iter.rewindable.php b/src/iter.rewindable.php
index d375867..504e9da 100644
--- a/src/iter.rewindable.php
+++ b/src/iter.rewindable.php
@@ -62,6 +62,7 @@ function slice()       { return new _RewindableGenerator('iter\slice',       fun
     function take()        { return new _RewindableGenerator('iter\take',        func_get_args()); }
     function drop()        { return new _RewindableGenerator('iter\drop',        func_get_args()); }
     function repeat()      { return new _RewindableGenerator('iter\repeat',      func_get_args()); }
+    function cycle()       { return new _RewindableGenerator('iter\cycle',       func_get_args()); }
     function takeWhile()   { return new _RewindableGenerator('iter\takeWhile',   func_get_args()); }
     function dropWhile()   { return new _RewindableGenerator('iter\dropWhile',   func_get_args()); }
     function keys()        { return new _RewindableGenerator('iter\keys',        func_get_args()); }
diff --git a/test/iterTest.php b/test/iterTest.php
index b94983e..b127f55 100644
--- a/test/iterTest.php
+++ b/test/iterTest.php
@@ -210,10 +210,17 @@ public function testFlip() {
             toArrayWithKeys(flip(['a' => 1, 'b' => 2, 'c' => 3]))
         );
     }
+    
+    public function testCycle() {
+        $this->assertSame(
+            [1, 2, 1, 2, 1, 2, 1, 2],
+            toArray(cycle(rewindable\range(1, 2), 4))
+        );
+    }
 }
 
 class _CountableTestDummy implements \Countable {
     public function count() {
         return 42;
     }
-}
\ No newline at end of file
+}