original_string: public function toHexString() : string
      {
          return '#' . sprintf('%02x', $this->red) . sprintf('%02x', $this->green) . sprintf('%02x', $this->blue);
      }
code: public function toHexString() : string
      {
          return '#' . sprintf('%02x', $this->red) . sprintf('%02x', $this->green) . sprintf('%02x', $this->blue);
      }
code_tokens: public function toHexString ( ) : string { return '#' . sprintf ( '%02x' , $ this -> red ) . sprintf ( '%02x' , $ this -> green ) . sprintf ( '%02x' , $ this -> blue ) ; }
docstring: Gets the colour as a hex string.
  
  @return string
docstring_tokens: Gets the colour as a hex string .