Pimcore\Model\Element\Tag\Dao::setTagsForElement PHP Method

    public function setTagsForElement($cType, $cId, array $tags)
    {
        $this->db->beginTransaction();
        try {
            $this->db->delete("tags_assignment", "ctype = " . $this->db->quote($cType) . " AND cid = " . $this->db->quote($cId));
            foreach ($tags as $tag) {
                $this->doAddTagToElement($tag->getId(), $cType, $cId);
            }
            $this->db->commit();
        } catch (\Exception $e) {
            $this->db->rollBack();
            throw $e;
        }
    }