original_string: public function server( $key, $default = null ) {
  		if ( !isset( $this->SERVER[strtoupper( $key )] ) ) 
  		{
  			return $default;
  		}
  		return $this->SERVER[strtoupper( $key )];
  	}
code: public function server( $key, $default = null ) {
  		if ( !isset( $this->SERVER[strtoupper( $key )] ) ) 
  		{
  			return $default;
  		}
  		return $this->SERVER[strtoupper( $key )];
  	}
code_tokens: public function server ( $ key , $ default = null ) { if ( ! isset ( $ this -> SERVER [ strtoupper ( $ key ) ] ) ) { return $ default ; } return $ this -> SERVER [ strtoupper ( $ key ) ] ; }
docstring: get a SERVER param
  
  @param string		$key
  @return mixed
docstring_tokens: get a SERVER param