public function deleteFramework()
 {
     // check database connections
     $conn = $this->databaseConnection();
     parse_str(file_get_contents("php://input"), $post_vars);
     $framework = $post_vars['framework'];
     if ($conn) {
         $queries = new Queries();
         $sqlCheck = $queries->checkFrameworkIfExists($framework);
         $checkResult = mysqli_query($conn, $sqlCheck);
         if (mysqli_num_rows($checkResult) <= 0) {
             echo json_encode(array('error' => $framework . ' does not exist.'));
         } else {
             $sqlQuery = $queries->deleteFrameworkQuery($framework);
             $result = mysqli_query($conn, $sqlQuery);
             if ($result) {
                 echo json_encode(array('success' => 'Deleted ' . $framework));
             } else {
                 echo json_encode(array('error' => 'Unable to Delete ' . $framework));
             }
         }
     } else {
         $connection = false;
         echo "There was an error, please contact web administrator.";
         return false;
     }
 }