From 136b80ae63a16198071030c2147f22d3b6fffe76 Mon Sep 17 00:00:00 2001
From: Victor Berchet <victor.berchet@yahoo.com>
Date: Tue, 14 Jun 2011 18:18:43 +0200
Subject: [PATCH] [HttFoundation] Add File::getExtension() as
 \SplFileInfo::getExtension() was introduced in PHP 5.3.6

---
 src/Symfony/Component/HttpFoundation/File/File.php   | 12 ++++++++++++
 .../Tests/Component/HttpFoundation/File/FileTest.php |  6 ++++++
 2 files changed, 18 insertions(+)

diff --git a/src/Symfony/Component/HttpFoundation/File/File.php b/src/Symfony/Component/HttpFoundation/File/File.php
index bb6fda2a50..a6fa665331 100644
--- a/src/Symfony/Component/HttpFoundation/File/File.php
+++ b/src/Symfony/Component/HttpFoundation/File/File.php
@@ -486,6 +486,18 @@ class File extends \SplFileInfo
         return $guesser->guess($this->getPathname());
     }
 
+    /**
+     * Returns the extension of the file.
+     *
+     * \SplFileInfo::getExtension() is not available before PHP 5.3.6
+     *
+     * @return string The extension
+     */
+    public function getExtension()
+    {
+        return pathinfo($this->getBasename(), PATHINFO_EXTENSION);
+    }
+
     /**
      * Moves the file to a new location.
      *
diff --git a/tests/Symfony/Tests/Component/HttpFoundation/File/FileTest.php b/tests/Symfony/Tests/Component/HttpFoundation/File/FileTest.php
index 0a5fe85548..8411020528 100644
--- a/tests/Symfony/Tests/Component/HttpFoundation/File/FileTest.php
+++ b/tests/Symfony/Tests/Component/HttpFoundation/File/FileTest.php
@@ -115,6 +115,12 @@ class FileTest extends \PHPUnit_Framework_TestCase
         @rmdir($targetDir);
     }
 
+    public function testGetExtension()
+    {
+        $file = new File(__DIR__.'/Fixtures/test.gif');
+        $this->assertEquals('gif', $file->getExtension());
+    }
+
     protected function createMockGuesser($path, $mimeType)
     {
         $guesser = $this->getMock('Symfony\Component\HttpFoundation\File\MimeType\MimeTypeGuesserInterface');