gistfile1.txt

public function isEmpty()
    {
        $method = new \ReflectionMethod(
            $this->_objectOrClassName,
            $this->_methodName
        );
        list(,$path,) = explode(PHP_EOL, (string)$method);
        preg_match('/(@@ )(.*\.php)( )(\d+)(\D*)(\d+)/', $path, $matches);
        list ($path, $start, $end) = array(
            $matches[2], $matches[4], $matches[6]
        );
        
        $code = '';
        for ($i = $start; $i <= $end; $i++) {
            $code .= Backtrace::readLine($path, $i);
        }
        
        $methodBodyPattern = "/function.*(?:{(.*)}|;)/sxU";
        preg_match($methodBodyPattern, $code, $matches);
        $extract = isset($matches[1]) ?: '';
        return empty($extract);
    }