/**
  * @throws \InvalidArgumentException
  */
 private function validate()
 {
     $this->source->validateAsSource();
     $this->dest->validateAsDest();
     // this is a remote to remote sync and local_tmp isn't set
     if ($this->source->isRemote() && $this->dest->isRemote() && !isset($this->options['local_tmp'])) {
         throw new \InvalidArgumentException("You must provide the path to a folder for temporary files on the local machine, to perform remote to remote syncs.");
     }
     if (isset($this->options['search_replace']) && !is_array($this->options['search_replace'])) {
         throw new \InvalidArgumentException("The 'search_replace' param must be an array.");
     }
     // srdb must be set on the destination if we are going to do search and replace
     if (!empty($this->options['search_replace']) && empty($this->dest->getSrdb())) {
         throw new \InvalidArgumentException("The 'srdb' option must be defined on the destiation if 'search_replace' is provided.");
     }
 }
 private function buildDbParams()
 {
     return ['host' => $this->options->getDbHost(), 'username' => $this->options->getDbUser(), 'password' => $this->options->getDbPass(), 'name' => $this->options->getDbName(), 'port' => $this->options->getDbPort()];
 }