#887846 ekes: Make FeedsSimplePieEnclosure (un)serialization safe.

CHANGELOG.txt

@@ -3,6 +3,7 @@
 Feeds 6.x xxxxxxxxxxxxxxxxxxxxxx
 --------------------------------
 
+- #887846 ekes: Make FeedsSimplePieEnclosure (un)serialization safe.
 - #908582 XiaN Vizjereij, alex_b: Fix "Cannot use object of type stdClass as
   array" error in mappers/taxonomy.inc.
 - #906654 alex_b: Fix phantom subscriptions.

plugins/FeedsSimplePieParser.inc

@@ -6,6 +6,7 @@
  */
 class FeedsSimplePieEnclosure extends FeedsEnclosure {
   protected $simplepie_enclosure;
+  private $_serialized_simplepie_enclosure;
 
   /**
    * Constructor requires SimplePie enclosure object.
@@ -14,6 +15,26 @@ class FeedsSimplePieEnclosure extends FeedsEnclosure {
     $this->simplepie_enclosure = $enclosure;
   }
 
+  /**
+   * Serialization helper.
+   *
+   * Handle the simplepie enclosure class seperately ourselves.
+   */
+  public function __sleep() {
+    $this->_serialized_simplepie_enclosure = serialize($this->simplepie_enclosure);
+    return array('_serialized_simplepie_enclosure');
+  }
+
+  /**
+   * Unserialization helper.
+   *
+   * Ensure that the simplepie class definitions are loaded for the enclosure when unserializing.
+   */
+   public function __wakeup() {
+    feeds_include_library('simplepie.inc', 'simplepie');
+    $this->simplepie_enclosure = unserialize($this->_serialized_simplepie_enclosure);
+  }
+
   /**
    * Override parent::getValue().
    */