original_string: public function _getParams( $key = - 1 ) {
  		if ( $key >= 0 ) {
  
  			if ( isset( self::$params[ $key ] ) ) {
  				return self::$params[ $key ];
  			} else {
  				return NULL;
  			}
  
  		} else {
  			return self::$params;
  		}
  
  	}
code: public function _getParams( $key = - 1 ) {
  		if ( $key >= 0 ) {
  
  			if ( isset( self::$params[ $key ] ) ) {
  				return self::$params[ $key ];
  			} else {
  				return NULL;
  			}
  
  		} else {
  			return self::$params;
  		}
  
  	}
code_tokens: public function _getParams ( $ key = - 1 ) { if ( $ key >= 0 ) { if ( isset ( self :: $ params [ $ key ] ) ) { return self :: $ params [ $ key ] ; } else { return NULL ; } } else { return self :: $ params ; } }
docstring: get Route Paramenters
  
  @param int $key
  
  @return array|null
docstring_tokens: get Route Paramenters