Added an extra if loop to retrieve description values from sites like…

… the New York Times who have malformed it by using value instead of content. See http://www.nytimes.com/2012/06/13/world/middleeast/violence-in-syria-continues-as-protesters-killed.html for an example of this bad code.

OpenGraph.php

@@ -78,6 +78,15 @@ static private function _parse($HTML) {
 				$key = strtr(substr($tag->getAttribute('property'), 3), '-', '_');
 				$page->_values[$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');
+			}
+
 		}
 
 		if (empty($page->_values)) { return false; }