input('categories', []); $course = Course::where('status', 2)->when($selectedCategories, function ($query) use ($selectedCategories) { $query->whereIn('course_category_id', $selectedCategories); })->get(); $allCourse = Course::where('status', 2)->get(); return view('frontend.searchCourse', compact('course', 'category', 'selectedCategories', 'allCourse')); } }