1 files changed, 16 insertions, 1 deletions
diff --git a/vendor/fguillot/picofeed/lib/PicoFeed/Filter/Attribute.php b/vendor/fguillot/picofeed/lib/PicoFeed/Filter/Attribute.php
index 684dbf7ad..1c5842df4 100644
--- a/vendor/fguillot/picofeed/lib/PicoFeed/Filter/Attribute.php
+++ b/vendor/fguillot/picofeed/lib/PicoFeed/Filter/Attribute.php
@@ -79,7 +79,7 @@ class Attribute
         'cite' => array(),
         'time' => array('datetime'),
         'abbr' => array('title'),
-        'iframe' => array('width', 'height', 'frameborder', 'src', 'allowfullscreen'),
+        'iframe' => array('width', 'height', 'frameborder', 'src'),
         'q' => array('cite')
     );
 
@@ -227,6 +227,7 @@ class Attribute
      * @var array
      */
     private $filters = array(
+        'filterEmptyAttribute',
         'filterAllowedAttribute',
         'filterIntegerAttribute',
         'rewriteAbsoluteUrl',
@@ -280,6 +281,20 @@ class Attribute
     }
 
     /**
+     * Return true if the value is not empty (remove empty attributes)
+     *
+     * @access public
+     * @param  string    $tag           Tag name
+     * @param  string    $attribute     Attribute name
+     * @param  string    $value         Attribute value
+     * @return boolean
+     */
+    public function filterEmptyAttribute($tag, $attribute, $value)
+    {
+        return $value !== '';
+    }
+
+    /**
      * Return true if the value is allowed (remove not allowed attributes)
      *
      * @access public