original_string: public function write($x, $y, $color)
      {
          if(isset($this->canvas[$y][$x])) {
              $this->canvas[$y][$x] = $color;
          }
      }
code: public function write($x, $y, $color)
      {
          if(isset($this->canvas[$y][$x])) {
              $this->canvas[$y][$x] = $color;
          }
      }
code_tokens: public function write ( $ x , $ y , $ color ) { if ( isset ( $ this -> canvas [ $ y ] [ $ x ] ) ) { $ this -> canvas [ $ y ] [ $ x ] = $ color ; } }
docstring: Scribble onto the stall
  
  @param  int  $x
  @param  int  $y
  @param  int  $color
  @return void
docstring_tokens: Scribble onto the stall