original_string: private function determineExtension()
      {
          $ext = 'php';
          if (in_array($this->driverClass, $this->extensionToDriver)) {
              $map = array_flip($this->extensionToDriver);
              $ext = $map[$this->driverClass];
          }
          return $ext;
      }
code: private function determineExtension()
      {
          $ext = 'php';
          if (in_array($this->driverClass, $this->extensionToDriver)) {
              $map = array_flip($this->extensionToDriver);
              $ext = $map[$this->driverClass];
          }
          return $ext;
      }
code_tokens: private function determineExtension ( ) { $ ext = 'php' ; if ( in_array ( $ this -> driverClass , $ this -> extensionToDriver ) ) { $ map = array_flip ( $ this -> extensionToDriver ) ; $ ext = $ map [ $ this -> driverClass ] ; } return $ ext ; }
docstring: Determine the extension based on the driver class
  
  If there is no driver class given it will default to .php
  
  @return string
docstring_tokens: Determine the extension based on the driver class