original_string: protected function validateDbPasswordInstall()
      {
          $field = 'database.password';
  
          if ($this->isExcluded($field)) {
              return null;
          }
  
          $value = $this->getSubmitted($field);
  
          if (!isset($value)) {
              $this->setSubmitted($field, '');
              return null;
          }
  
          return true;
      }
code: protected function validateDbPasswordInstall()
      {
          $field = 'database.password';
  
          if ($this->isExcluded($field)) {
              return null;
          }
  
          $value = $this->getSubmitted($field);
  
          if (!isset($value)) {
              $this->setSubmitted($field, '');
              return null;
          }
  
          return true;
      }
code_tokens: protected function validateDbPasswordInstall ( ) { $ field = 'database.password' ; if ( $ this -> isExcluded ( $ field ) ) { return null ; } $ value = $ this -> getSubmitted ( $ field ) ; if ( ! isset ( $ value ) ) { $ this -> setSubmitted ( $ field , '' ) ; return null ; } return true ; }
docstring: Validates a database password
  @return boolean|null
docstring_tokens: Validates a database password