original_string: public function getFile($key)
      {
          if (isset($this->files[$key])) {
              return $this->files[$key];
          }
  
          return null;
      }
code: public function getFile($key)
      {
          if (isset($this->files[$key])) {
              return $this->files[$key];
          }
  
          return null;
      }
code_tokens: public function getFile ( $ key ) { if ( isset ( $ this -> files [ $ key ] ) ) { return $ this -> files [ $ key ] ; } return null ; }
docstring: Gets a uploaded file reference, otherwise returns null
  
  @param string $key The key to look for
  @return array the file that was uploaded
docstring_tokens: Gets a uploaded file reference otherwise returns null