original_string: public static function arrow(string $direction) : string
      {
          switch ($direction) {
              case "up": 	  $output = '<span class="arrow">&uarr;</span>'; break;
              case "down":  $output = '<span class="arrow">&darr;</span>'; break;
              case "left":  $output = '<span class="arrow">&larr;</span>'; break;
              case "right": $output = '<span class="arrow">&rarr;</span>'; break;
          }
  
          return $output;
      }
code: public static function arrow(string $direction) : string
      {
          switch ($direction) {
              case "up": 	  $output = '<span class="arrow">&uarr;</span>'; break;
              case "down":  $output = '<span class="arrow">&darr;</span>'; break;
              case "left":  $output = '<span class="arrow">&larr;</span>'; break;
              case "right": $output = '<span class="arrow">&rarr;</span>'; break;
          }
  
          return $output;
      }
code_tokens: public static function arrow ( string $ direction ) : string { switch ( $ direction ) { case "up" : $ output = '<span class="arrow">&uarr;</span>' ; break ; case "down" : $ output = '<span class="arrow">&darr;</span>' ; break ; case "left" : $ output = '<span class="arrow">&larr;</span>' ; break ; case "right" : $ output = '<span class="arrow">&rarr;</span>' ; break ; } return $ output ; }
docstring: Create an arrow
  
  echo Html::arrow('right');
  
  @param  string  $direction Arrow direction [up,down,left,right]
  @return string
docstring_tokens: Create an arrow