Laravel\Lumen\Http\Middleware\VerifyCsrfToken::isReading PHP Method

Determine if the HTTP request uses a ‘read’ verb.

protected isReading ( Illuminate\Http\Request $request ) : boolean
$request	Illuminate\Http\Request
return	boolean

    protected function isReading($request)
    {
        return in_array($request->method(), ['HEAD', 'GET', 'OPTIONS']);
    }

VerifyCsrfToken