protected function _handleCallableBody(callable $content)
    {
        ob_start();
        $result1 = $content();
        $result2 = ob_get_contents();
        ob_get_clean();

        if ($result1) {
            return $result1;
        }

        return $result2;
    }
protected function _handleCallableBody(callable $content)
    {
        ob_start();
        $result1 = $content();
        $result2 = ob_get_contents();
        ob_get_clean();

        if ($result1) {
            return $result1;
        }

        return $result2;
    }
protected function _handleCallableBody ( callable $ content ) { ob_start ( ) ; $ result1 = $ content ( ) ; $ result2 = ob_get_contents ( ) ; ob_get_clean ( ) ; if ( $ result1 ) { return $ result1 ; } return $ result2 ; }
Handles the callable body for backward compatibility reasons.

@param callable $content Callable content.
@return string
Handles the callable body for backward compatibility reasons .