original_string: public function sizes($sizes = null)
      {
  
          if ($sizes) {
              $this->sizes = $sizes;
  
              return $this;
          }
  
          return empty($this->sizes) ? '100vw' : $this->sizes;
      }
code: public function sizes($sizes = null)
      {
  
          if ($sizes) {
              $this->sizes = $sizes;
  
              return $this;
          }
  
          return empty($this->sizes) ? '100vw' : $this->sizes;
      }
code_tokens: public function sizes ( $ sizes = null ) { if ( $ sizes ) { $ this -> sizes = $ sizes ; return $ this ; } return empty ( $ this -> sizes ) ? '100vw' : $ this -> sizes ; }
docstring: Set or get sizes parameter for srcset media action
  
  @param  string $sizes
  @return string
docstring_tokens: Set or get sizes parameter for srcset media action