original_string: public function body($body = null)
      {
          if ($body !== null) {
              $this->_body = $body;
  
              return $this;
          }
  
          return $this->_body;
      }
code: public function body($body = null)
      {
          if ($body !== null) {
              $this->_body = $body;
  
              return $this;
          }
  
          return $this->_body;
      }
code_tokens: public function body ( $ body = null ) { if ( $ body !== null ) { $ this -> _body = $ body ; return $ this ; } return $ this -> _body ; }
docstring: Gets or sets message's body.
  
  @param string $body Body
  @return $this|string When new value is set, $this is returned for allowing
  method chaining. When getting value a string will be returned
docstring_tokens: Gets or sets message s body .