public function content($content = null)
    {
        if ($content !== null) {
            if (!is_scalar($content) && !is_callable([$content, '__toString'])) {
                throw new ResponseException('Response content must be a scalar or object with __toString() method "' . $this->getType($content) . '" given.');
            }

            $this->content = (string) $content;
        }

        return $this->content;
    }
public function content($content = null)
    {
        if ($content !== null) {
            if (!is_scalar($content) && !is_callable([$content, '__toString'])) {
                throw new ResponseException('Response content must be a scalar or object with __toString() method "' . $this->getType($content) . '" given.');
            }

            $this->content = (string) $content;
        }

        return $this->content;
    }
public function content ( $ content = null ) { if ( $ content !== null ) { if ( ! is_scalar ( $ content ) && ! is_callable ( [ $ content , '__toString' ] ) ) { throw new ResponseException ( 'Response content must be a scalar or object with __toString() method "' . $ this -> getType ( $ content ) . '" given.' ) ; } $ this -> content = ( string ) $ content ; } return $ this -> content ; }
Returns response content

@param string $content

@return string
@throws ResponseException
Returns response content