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diff --git a/vendor/caxy/php-htmldiff/tests/Caxy/Tests/HtmlDiff/HtmlFileIterator.php b/vendor/caxy/php-htmldiff/tests/Caxy/Tests/HtmlDiff/HtmlFileIterator.php
new file mode 100644
index 000000000..5fc7de0d6
--- /dev/null
+++ b/vendor/caxy/php-htmldiff/tests/Caxy/Tests/HtmlDiff/HtmlFileIterator.php
@@ -0,0 +1,103 @@
+<?php
+
+namespace Caxy\Tests\HtmlDiff;
+
+class HtmlFileIterator implements \Iterator
+{
+    protected $files = array();
+    protected $key = 0;
+    protected $loadedDiffs = array();
+
+    public function __construct($directory)
+    {
+        $this->files = glob($directory.DIRECTORY_SEPARATOR."*.html");
+    }
+
+    /**
+     * Return the current element
+     * @link  http://php.net/manual/en/iterator.current.php
+     * @return mixed Can return any type.
+     * @since 5.0.0
+     */
+    public function current()
+    {
+        return $this->loadHtmlFile($this->key);
+    }
+
+    /**
+     * Move forward to next element
+     * @link  http://php.net/manual/en/iterator.next.php
+     * @return void Any returned value is ignored.
+     * @since 5.0.0
+     */
+    public function next()
+    {
+        $this->key++;
+    }
+
+    /**
+     * Return the key of the current element
+     * @link  http://php.net/manual/en/iterator.key.php
+     * @return mixed scalar on success, or null on failure.
+     * @since 5.0.0
+     */
+    public function key()
+    {
+        return basename($this->files[$this->key]);
+    }
+
+    /**
+     * Checks if current position is valid
+     * @link  http://php.net/manual/en/iterator.valid.php
+     * @return boolean The return value will be casted to boolean and then evaluated.
+     * Returns true on success or false on failure.
+     * @since 5.0.0
+     */
+    public function valid()
+    {
+        return isset($this->files[$this->key]);
+    }
+
+    /**
+     * Rewind the Iterator to the first element
+     * @link  http://php.net/manual/en/iterator.rewind.php
+     * @return void Any returned value is ignored.
+     * @since 5.0.0
+     */
+    public function rewind()
+    {
+        $this->key = 0;
+    }
+
+    protected function loadHtmlFile($key)
+    {
+        $filename = $this->files[$key];
+
+        if (!isset($this->loadedDiffs[$filename])) {
+
+            $html = file_get_contents($filename);
+
+            $oldText = $this->parseTagContent('oldText', $html);
+            $newText = $this->parseTagContent('newText', $html);
+            $expected = $this->parseTagContent('expected', $html);
+
+            if (null === $expected) {
+                throw new \Exception('HTML fixture content should have an <expected> tag.');
+            }
+
+            $this->loadedDiffs[$filename] = array($oldText, $newText, $expected);
+        }
+
+        return $this->loadedDiffs[$filename];
+    }
+
+    protected function parseTagContent($tagName, $html)
+    {
+        $matches = array();
+        if (preg_match(sprintf('/<%s\s*[^>]*>(.*)<\/%s\s*>/is', $tagName, $tagName), $html, $matches)) {
+            return $matches[1];
+        }
+
+        return null;
+    }
+}