original_string: public function getSettingsField($key)
      {
          $pos = strpos($key, $this->keySeparator);
  
          if ($pos) {
              return substr($key, $pos + strlen($this->keySeparator));
          }
  
          return null;
      }
code: public function getSettingsField($key)
      {
          $pos = strpos($key, $this->keySeparator);
  
          if ($pos) {
              return substr($key, $pos + strlen($this->keySeparator));
          }
  
          return null;
      }
code_tokens: public function getSettingsField ( $ key ) { $ pos = strpos ( $ key , $ this -> keySeparator ) ; if ( $ pos ) { return substr ( $ key , $ pos + strlen ( $ this -> keySeparator ) ) ; } return null ; }
docstring: Get the settings field name from a combined field name
  
  @param string $key
  @return string The settings name or null when not a key name
docstring_tokens: Get the settings field name from a combined field name