From 8137872fd850869ac04d117175aff924480d07fd Mon Sep 17 00:00:00 2001
From: Aram Zucker-Scharff <azuckers@gmu.edu>
Date: Tue, 12 Jun 2012 21:19:28 -0300
Subject: [PATCH] Now can add title and description from head meta even if no
 Open Graph tags exist.

---
 OpenGraph.php | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/OpenGraph.php b/OpenGraph.php
index 98adf5e..af26618 100644
--- a/OpenGraph.php
+++ b/OpenGraph.php
@@ -13,6 +13,9 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
+   
+	Original can be found at https://github.com/scottmac/opengraph/blob/master/OpenGraph.php
+   
 */
 
 class OpenGraph implements Iterator
@@ -72,6 +75,8 @@ static private function _parse($HTML) {
 
 		$page = new self();
 
+		$nonOgDescription = null;
+		
 		foreach ($tags AS $tag) {
 			if ($tag->hasAttribute('property') &&
 			    strpos($tag->getAttribute('property'), 'og:') === 0) {
@@ -79,15 +84,28 @@ static private function _parse($HTML) {
 				$page->_values[$key] = $tag->getAttribute('content');
 			}
 			
-			
 			//Added this if loop to retrieve description values from sites like the New York Times who have malformed it. 
 			if ($tag ->hasAttribute('value') && $tag->hasAttribute('property') &&
 			    strpos($tag->getAttribute('property'), 'og:') === 0) {
 				$key = strtr(substr($tag->getAttribute('property'), 3), '-', '_');
 				$page->_values[$key] = $tag->getAttribute('value');
 			}
+			//Based on modifications at https://github.com/bashofmann/opengraph/blob/master/src/OpenGraph/OpenGraph.php
+			if ($tag->hasAttribute('name') && $tag->getAttribute('name') === 'description') {
+                $nonOgDescription = $tag->getAttribute('content');
+            }
 			
 		}
+		//Based on modifications at https://github.com/bashofmann/opengraph/blob/master/src/OpenGraph/OpenGraph.php
+		if (!isset($page->_values['title'])) {
+            $titles = $doc->getElementsByTagName('title');
+            if ($titles->length > 0) {
+                $page->_values['title'] = $titles->item(0)->textContent;
+            }
+        }
+        if (!isset($page->_values['description']) && $nonOgDescription) {
+            $page->_values['description'] = $nonOgDescription;
+        }
 
 		if (empty($page->_values)) { return false; }
 		
@@ -160,4 +178,4 @@ public function current() { return current($this->_values); }
 	public function key() { return key($this->_values); }
 	public function next() { next($this->_values); ++$this->_position; }
 	public function valid() { return $this->_position < sizeof($this->_values); }
-}
+}
\ No newline at end of file