public function set($plantID, $applicationArray)
 {
     $applications = Applications::all();
     $applicationArray = $this->filterArray($applicationArray);
     $cleanApplications = $this->cleanModelArray($applications);
     foreach ($applicationArray as $application) {
         if (is_numeric(array_search($application, $cleanApplications))) {
             $newApplication = new PlantApplication();
             $newApplication->plant_id = $plantID;
             $newApplication->application_id = array_search($application, $cleanApplications) + 1;
             $newApplication->save();
         }
     }
 }