code: protected function calculateINSERT()
      {
          $this->query .= 'INSERT INTO ';
          
          // Determine Table(s)
          $this->queryStringFromArray('tables', '', ', ');
          
          // SETs
          if (!empty($this->inserts)) {
              $this->query .= ' (';
              $this->queryStringFromArray('inserts', '', ', ');
              $this->query .= ')';
          }
          
          // Values
          $this->valueStringFromArray('values', ' VALUES ', ', ');
      }
docs: Create an INSERT statement.