Swift_Mime_MimeEntity::setChildren PHP Method

    public function setChildren(array $children);

 protected function createMessage(array $message, \Swift_Mime_MimeEntity $entity)
 {
     if (stripos($message["type"], 'multipart/') !== false) {
         if (strpos($message["type"], '/alternative')) {
             $nestingLevel = \Swift_Mime_MimeEntity::LEVEL_ALTERNATIVE;
         } elseif (strpos($message["type"], '/related')) {
             $nestingLevel = \Swift_Mime_MimeEntity::LEVEL_RELATED;
         } elseif (strpos($message["type"], '/mixed')) {
             $nestingLevel = \Swift_Mime_MimeEntity::LEVEL_MIXED;
         }
         $childrens = array();
         foreach ($message["parts"] as $part) {
             $headers = $this->createHeadersSet($part["headers"]);
             $encoder = $this->getEncoder($part["headers"]["content-transfer-encoding"]);
             if (stripos($part["type"], 'multipart/') !== false) {
                 $newEntity = new \Swift_Mime_MimePart($headers, $encoder, $this->cache, $this->grammar);
             } else {
                 $newEntity = new \Swift_Mime_SimpleMimeEntity($headers, $encoder, $this->cache, $this->grammar);
             }
             $this->createMessage($part, $newEntity);
             $ref = new \ReflectionObject($newEntity);
             $m = $ref->getMethod('_setNestingLevel');
             $m->setAccessible(true);
             $m->invoke($newEntity, $nestingLevel);
             $childrens[] = $newEntity;
         }
         $entity->setContentType($part["type"]);
         $entity->setChildren($childrens);
     } else {
         $entity->setBody($message["body"], $message["type"]);
     }
 }