diff --git a/Tests/rssTest.php b/Tests/rssTest.php
new file mode 100644
index 0000000..f9c1839
--- /dev/null
+++ b/Tests/rssTest.php
@@ -0,0 +1,148 @@
+<?php
+
+require_once ("rss.php");
+
+/** Test the RSS */
+class test_rss extends PHPUnit_Framework_TestCase
+{
+  public function test_empty0 ()
+  {
+    // Empty
+    $this->expectException ("Exception", "No title is provided for this RSS");
+    $rss = new rss ();
+    $res = $rss->asXML ();
+  }
+
+  public function test_functional1 ()
+  {
+    // Functionnal 1
+    $rss = new rss ();
+    $rss->title ("Global Title")
+        ->link ("http://localhost")
+        ->language ("fr-fr")
+        ->description  ("The Super Global Description");
+    $rss->addItem ()->title ("Item1 Title")
+                    ->link ("http://Item1Link")
+                    ->description  ("Item1 Description");
+    $rss->addItem ()->title ("Item2 Title")
+                    ->pubDate ("2017-04-13 12:25:30")
+                    ->link ("http://Item2Link")
+                    ->description  ("Item2 Description");
+    $res = $rss->asXML ();
+    $this->assertSame ($res, "<?xml version=\"1.0\"?>
+<rss version=\"2.0\">
+  <channel>
+    <title>Global Title</title>
+    <link>http://localhost</link>
+    <description>The Super Global Description</description>
+    <language>fr-fr</language>
+    <item>
+      <title>Item1 Title</title>
+      <link>http://Item1Link</link>
+      <description>Item1 Description</description>
+    </item>
+    <item>
+      <title>Item2 Title</title>
+      <link>http://Item2Link</link>
+      <description>Item2 Description</description>
+      <pubDate>Thu, 13 Apr 2017 12:25:30 +0200</pubDate>
+    </item>
+  </channel>
+</rss>
+");
+  }
+
+  public function test_error1 ()
+  {
+    // Missing global description
+    $this->expectException ("Exception",
+           "No description is provided for this RSS");
+    $rss = new rss ();
+    $rss->title ("Global Title")
+        ->link ("http://localhost")
+        ->language ("fr-fr");
+    $res = $rss->asXML ();
+  }
+
+  public function test_error2 ()
+  {
+    // Missing global link
+    $this->expectException ("Exception", "No link is provided for this RSS");
+    $rss = new rss ();
+    $rss->title ("Global Title")
+        ->language ("fr-fr")
+        ->description  ("The Super Global Description");
+    $res = $rss->asXML ();
+  }
+
+  public function test_error3 ()
+  {
+    // Missing global title
+    $this->expectException ("Exception", "No title is provided for this RSS");
+    $rss = new rss ();
+    $rss->link ("http://localhost")
+        ->language ("fr-fr")
+        ->description  ("The Super Global Description");
+    $res = $rss->asXML ();
+  }
+
+  public function test_error4 ()
+  {
+    // Invalid date provided
+    $this->expectException ("Exception",
+           "lastBuildDate provided to RSS is not a valid date");
+    $rss = new rss ();
+    $rss->title ("Global Title")
+        ->link ("http://localhost")
+        ->lastBuildDate ("2017-04-33")
+        ->language ("fr-fr")
+        ->description  ("The Super Global Description");
+    $res = $rss->asXML ();
+  }
+
+  public function test_itemError1 ()
+  {
+    // Empty Item provided
+    $this->expectException ("Exception",
+           "No title nor description defined in the RSS item");
+    $rss = new rss ();
+    $rss->title ("Global Title")
+        ->link ("http://localhost")
+        ->lastBuildDate ("2017-04-30 12:35:32")
+        ->language ("fr-fr")
+        ->description  ("The Super Global Description");
+    $rss->addItem ();
+    $res = $rss->asXML ();
+  }
+
+  public function test_itemError2 ()
+  {
+    // Item without Title and Description
+    $this->expectException ("Exception",
+           "No title nor description defined in the RSS item");
+    $rss = new rss ();
+    $rss->title ("Global Title")
+        ->link ("http://localhost")
+        ->lastBuildDate ("2017-04-30 12:35:32")
+        ->language ("fr-fr")
+        ->description  ("The Super Global Description");
+    $rss->addItem ()->link ("http://localhost/link");
+    $res = $rss->asXML ();
+  }
+
+  public function test_itemError3 ()
+  {
+    // Item with invalid date
+    $this->expectException ("Exception",
+           "pubDate provided to RSS Item is not a valid date");
+    $rss = new rss ();
+    $rss->title ("Global Title")
+        ->link ("http://localhost")
+        ->lastBuildDate ("2017-10-30 12:35:32")
+        ->language ("fr-fr")
+        ->description  ("The Super Global Description");
+    $rss->addItem ()->title ("Item title")
+                    ->pubDate ("2017-14-33 12:32:32");
+    $res = $rss->asXML ();
+  }
+}
diff --git a/rss.php b/rss.php
new file mode 100644
index 0000000..3b71e4c
--- /dev/null
+++ b/rss.php
@@ -0,0 +1,353 @@
+<?php
+/** DomFramework
+    @package domframework
+    @author Dominique Fournier <dominique@fournier38.fr> */
+
+error_reporting (E_ALL);
+require_once ("domframework/verify.php");
+require_once ("domframework/convert.php");
+
+/** Create the RSS pages for the websites
+  * Specification http://www.rssboard.org/rss-specification
+  */
+class rss
+{
+  /** The title of the site (MANDATORY)
+    */
+  private $title;
+
+  /** The link (URL) to the site (MANDATORY)
+    */
+  private $link;
+
+  /** The Description of the site (MANDATORY)
+    */
+  private $description;
+
+  /** The language of the feed
+    */
+  private $language;
+
+  /** The lastBuildDate
+    */
+  private $lastBuildDate;
+
+  /** The items linked to this RSS
+    */
+  private $items = array ();
+
+  /** Get/Set the value
+    * @param string|null $title The title to get/set
+    */
+  public function title ($title = null)
+  {
+    if ($title === null)
+      return $this->title;
+    if (! is_string ($title))
+      throw new \Exception ("Title provided to RSS is not a string", 500);
+    if ($title === "")
+      $title = null;
+    $this->title = $title;
+    return $this;
+  }
+
+  /** Get/Set the value
+    * @param string|null $link The link to get/set
+    */
+  public function link ($link = null)
+  {
+    if ($link === null)
+      return $this->link;
+    if (! is_string ($link))
+      throw new \Exception ("Link provided to RSS is not a string", 500);
+    $verify = new \verify ();
+    if (! $verify->is_URL ($link))
+      throw new \Exception ("Link provided to RSS is not an URL", 500);
+    if ($link === "")
+      $link = null;
+    $this->link = $link;
+    return $this;
+  }
+
+  /** Get/Set the value
+    * @param string|null $description The description to get/set
+    */
+  public function description ($description = null)
+  {
+    if ($description === null)
+      return $this->description;
+    if (! is_string ($description))
+      throw new \Exception ("Description provided to RSS is not a string", 500);
+    if ($description === "")
+      $description = null;
+    $this->description = $description;
+    return $this;
+  }
+
+  /** Get/Set the value
+    * @param string|null $language The language to get/set
+    */
+  public function language ($language = null)
+  {
+    if ($language === null)
+      return $this->language;
+    if (! is_string ($language))
+      throw new \Exception ("Language provided to RSS is not a string", 500);
+    if (! in_array ($language,
+        array ("af", "sq", "eu", "be", "bg", "ca", "zh-cn", "zh-tw", "hr", "cs",
+               "da", "nl", "nl-be", "nl-nl", "en", "en-au", "en-bz", "en-ca",
+               "en-ie", "en-jm", "en-nz", "en-ph", "en-za", "en-tt", "en-gb",
+               "en-us", "en-zw", "et", "fo", "fi", "fr", "fr-be", "fr-ca",
+               "fr-fr", "fr-lu", "fr-mc", "fr-ch", "gl", "gd", "de", "de-at",
+               "de-de", "de-li", "de-lu", "de-ch", "el", "haw", "hu", "is",
+               "in", "ga", "it", "it-it", "it-ch", "ja", "ko", "mk", "no", "pl",
+               "pt", "pt-br", "pt-pt", "ro", "ro-mo", "ro-ro", "ru", "ru-mo",
+               "ru-ru", "sr", "sk", "sl", "es", "es-ar", "es-bo", "es-cl",
+               "es-co", "es-cr", "es-do", "es-ec", "es-sv", "es-gt", "es-hn",
+               "es-mx", "es-ni", "es-pa", "es-py", "es-pe", "es-pr", "es-es",
+               "es-uy", "es-ve", "sv", "sv-fi", "sv-se", "tr", "uk")))
+      throw new \Exception ("Provided language for RSS is not allowed", 500);
+    if ($language === "")
+      $language = null;
+    $this->language = $language;
+    return $this;
+  }
+
+  /** Get/Set the value
+    * The date must be in the SQL format Y-m-d H:i:s
+    * @param string|null $lastBuildDate The lastBuildDate to get/set
+    */
+  public function lastBuildDate ($lastBuildDate = null)
+  {
+    if ($lastBuildDate === null)
+      return $this->lastBuildDate;
+    if (! is_string ($lastBuildDate))
+      throw new \Exception ("lastBuildDate provided to RSS is not a string",
+                            500);
+    $verify = new \verify ();
+    if (! $verify->is_datetimeSQL ($lastBuildDate))
+      throw new \Exception ("lastBuildDate provided to RSS is not a valid date",
+                            500);
+    if ($lastBuildDate === "")
+      $lastBuildDate = null;
+    else
+      $lastBuildDate = \convert::convertDate ($lastBuildDate, "Y-m-d H:i:s",
+                                              \DateTime::RFC2822);
+    $this->lastBuildDate = $lastBuildDate;
+    return $this;
+  }
+
+  /** Add a new item to the RSS
+    * Return the new rss object created
+    */
+  public function addItem ()
+  {
+    $rss_item = new \rss_item ();
+    $this->items[] = $rss_item;
+    return $rss_item;
+  }
+
+  /** Return the complete RSS in XML format
+    * Throw an exception if there is some mandatory fields missing
+    */
+  public function asXML ()
+  {
+    if ($this->title === null)
+      throw new \Exception ("No title is provided for this RSS", 500);
+    if ($this->link === null)
+      throw new \Exception ("No link is provided for this RSS", 500);
+    if ($this->description === null)
+      throw new \Exception ("No description is provided for this RSS", 500);
+    $xmlstr =
+      '<?xml version="1.0"'.'?'.'>'."\n".
+      '<rss version="2.0">'."\n".
+      '  <channel>'."\n".
+      '  </channel>'."\n".
+      '</rss>';
+    $xml = new \SimpleXMLElement ($xmlstr);
+    $xml->channel->title = $this->title;
+    $xml->channel->link = $this->link;
+    $xml->channel->description = $this->description;
+    if ($this->language !== null)
+      $xml->channel->language = $this->language;
+    if ($this->lastBuildDate !== null)
+      $xml->channel->lastBuildDate = $this->lastBuildDate;
+    foreach ($this->items as $item)
+    {
+      if ($item->title() === null && $item->description() === null)
+        throw new \Exception (
+          "No title nor description defined in the RSS item", 500);
+      $tmpItem = $xml->channel->addChild ("item");
+      if ($item->title () !== null)
+        $tmpItem->title = $item->title ();
+      if ($item->link () !== null)
+        $tmpItem->link = $item->link ();
+      if ($item->description () !== null)
+        $tmpItem->description = $item->description ();
+      if ($item->author () !== null)
+        $tmpItem->author = $item->author ();
+      if ($item->comments () !== null)
+        $tmpItem->comments = $item->comments ();
+      if ($item->guid () !== null)
+        $tmpItem->guid = $item->guid ();
+      if ($item->pubDate () !== null)
+        $tmpItem->pubDate = $item->pubDate ();
+    }
+    // Ident correctely the xml created in SimpleXML
+    $dom = new DOMDocument('1.0');
+    $dom->preserveWhiteSpace = false;
+    $dom->formatOutput = true;
+    $dom->loadXML($xml->asXML());
+    return $dom->saveXML();
+  }
+}
+
+/** Define one item in the RSS
+  */
+class rss_item
+{
+  /** The title of the item
+    */
+  private $title;
+
+  /** The URL of the item
+    */
+  private $link;
+
+  /** The item synopsis
+    */
+  private $description;
+
+  /** Email address of the author of the item
+    */
+  private $author;
+
+  /** URL of a page for comments relating to the item
+    */
+  private $comments;
+
+  /** A string that uniquely identifies the item
+    */
+  private $guid;
+
+  /** Indicates when the item was published
+    */
+  private $pubDate;
+
+  /** Get/Set the value
+    * @param string|null $title The title to get/set
+    */
+  public function title ($title = null)
+  {
+    if ($title === null)
+      return $this->title;
+    if (! is_string ($title))
+      throw new \Exception ("Title provided to RSS Item is not a string", 500);
+    if ($title === "")
+      $title = null;
+    $this->title = $title;
+    return $this;
+  }
+
+  /** Get/Set the value
+    * @param string|null $link The link to get/set
+    */
+  public function link ($link = null)
+  {
+    if ($link === null)
+      return $this->link;
+    if (! is_string ($link))
+      throw new \Exception ("Link provided to RSS Item is not a string", 500);
+    $verify = new \verify ();
+    if (! $verify->is_URL ($link))
+      throw new \Exception ("Link provided to RSS Item is not an URL", 500);
+    if ($link === "")
+      $link = null;
+    $this->link = $link;
+    return $this;
+  }
+
+  /** Get/Set the value
+    * @param string|null $description The description to get/set
+    */
+  public function description ($description = null)
+  {
+    if ($description === null)
+      return $this->description;
+    if (! is_string ($description))
+      throw new \Exception ("Description provided to RSS Item is not a string",
+                            500);
+    if ($description === "")
+      $description = null;
+    $this->description = $description;
+    return $this;
+  }
+
+  /** Get/Set the value
+    * @param string|null $author The author to get/set
+    */
+  public function author ($author = null)
+  {
+    if ($author === null)
+      return $this->author;
+    if (! is_string ($author))
+      throw new \Exception ("Author provided to RSS Item is not a string", 500);
+    if ($author === "")
+      $author = null;
+    $this->author = $author;
+    return $this;
+  }
+
+  /** Get/Set the value
+    * @param string|null $comments The comments to get/set
+    */
+  public function comments ($comments = null)
+  {
+    if ($comments === null)
+      return $this->comments;
+    if (! is_string ($comments))
+      throw new \Exception ("Comments provided to RSS Item is not a string",
+                            500);
+    if ($comments === "")
+      $comments = null;
+    $this->comments = $comments;
+    return $this;
+  }
+
+  /** Get/Set the value
+    * @param string|null $guid The guid to get/set
+    */
+  public function guid ($guid = null)
+  {
+    if ($guid === null)
+      return $this->guid;
+    if (! is_string ($guid))
+      throw new \Exception ("GUID provided to RSS Item is not a string", 500);
+    if ($guid === "")
+      $guid = null;
+    $this->guid = $guid;
+    return $this;
+  }
+
+  /** Get/Set the value
+    * @param string|null $pubDate The pubDate to get/set
+    */
+  public function pubDate ($pubDate = null)
+  {
+    if ($pubDate === null)
+      return $this->pubDate;
+    if (! is_string ($pubDate))
+      throw new \Exception ("pubDate provided to RSS Item is not a string",
+                            500);
+    if (! \verify::staticIs_datetimeSQL ($pubDate))
+      throw new \Exception ("pubDate provided to RSS Item is not a valid date",
+                            500);
+    if ($pubDate === "")
+      $pubDate = null;
+    else
+      $pubDate = \convert::convertDate ($pubDate, "Y-m-d H:i:s",
+                                        DateTime::RFC2822);
+    $this->pubDate = $pubDate;
+    return $this;
+  }
+}