import from la bonne adresse and first refactoring for ouidade.com

vendor/rockettheme/toolbox/ArrayTraits/src/Iterator.php

@@ -0,0 +1,77 @@
+<?php
+namespace RocketTheme\Toolbox\ArrayTraits;
+
+/**
+ * Implements \Iterator interface.
+ *
+ * @package RocketTheme\Toolbox\ArrayTraits
+ * @author RocketTheme
+ * @license MIT
+ *
+ * @property array $items
+ */
+trait Iterator
+{
+    /**
+     * Hack to make Iterator work together with unset().
+     *
+     * @var bool
+     */
+    private $iteratorUnset = false;
+
+    /**
+     * Returns the current element.
+     *
+     * @return mixed  Can return any type.
+     */
+    public function current()
+    {
+        return current($this->items);
+    }
+
+    /**
+     * Returns the key of the current element.
+     *
+     * @return mixed  Returns scalar on success, or NULL on failure.
+     */
+    public function key()
+    {
+        return key($this->items);
+    }
+
+    /**
+     * Moves the current position to the next element.
+     *
+     * @return void
+     */
+    public function next()
+    {
+        if ($this->iteratorUnset) {
+            // If current item was unset, position is already in the next element (do nothing).
+            $this->iteratorUnset = false;
+        } else {
+            next($this->items);
+        }
+    }
+
+    /**
+     * Rewinds back to the first element of the Iterator.
+     *
+     * @return void
+     */
+    public function rewind()
+    {
+        $this->iteratorUnset = false;
+        reset($this->items);
+    }
+
+    /**
+     * This method is called after Iterator::rewind() and Iterator::next() to check if the current position is valid.
+     *
+     * @return bool  Returns TRUE on success or FALSE on failure.
+     */
+    public function valid()
+    {
+        return key($this->items) !== null;
+    }
+}