My first commit of codes

vendor/sebastian/diff/src/Diff.php

@@ -0,0 +1,81 @@
+<?php
+/*
+ * This file is part of the Diff package.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace SebastianBergmann\Diff;
+
+/**
+ * @package    Diff
+ * @author     Sebastian Bergmann <sebastian@phpunit.de>
+ * @author     Kore Nordmann <mail@kore-nordmann.de>
+ * @copyright  Sebastian Bergmann <sebastian@phpunit.de>
+ * @license    http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
+ * @link       http://www.github.com/sebastianbergmann/diff
+ */
+class Diff
+{
+    /**
+     * @var string
+     */
+    private $from;
+
+    /**
+     * @var string
+     */
+    private $to;
+
+    /**
+     * @var Chunk[]
+     */
+    private $chunks;
+
+    /**
+     * @param string  $from
+     * @param string  $to
+     * @param Chunk[] $chunks
+     */
+    public function __construct($from, $to, array $chunks = array())
+    {
+        $this->from   = $from;
+        $this->to     = $to;
+        $this->chunks = $chunks;
+    }
+
+    /**
+     * @return string
+     */
+    public function getFrom()
+    {
+        return $this->from;
+    }
+
+    /**
+     * @return string
+     */
+    public function getTo()
+    {
+        return $this->to;
+    }
+
+    /**
+     * @return Chunk[]
+     */
+    public function getChunks()
+    {
+        return $this->chunks;
+    }
+
+    /**
+     * @param Chunk[] $chunks
+     */
+    public function setChunks(array $chunks)
+    {
+        $this->chunks = $chunks;
+    }
+}