Error ErrorException: Undefined variable: request in file always appears, even though I have defined it as below
public function postlog_show(Request $request)
    {
        $log = $request->log;
        $userlocation = Auth::user()->location;
        $postlocations = Postlocation::orderBy('id', 'DESC')->where('location', $userlocation)
                ->whereHas('postlognya', function (Builder $query) {
                    $query->where('log', 'like', '%' . $request->log . '%');
                })
        ->get();
        return view('front.postlog2')
            ->with('postlocations', $postlocations)
        ;
    }
 
    