source: app/Http/Controllers/Blog/SearchController.php

<?php

namespace App\Http\Controllers\Blog;

use Illuminate\Http\Request;
use App\Models\Post;
use App\Http\Controllers\Controller;

class SearchController extends Controller
{
    public function __construct()
    {
        $this->middleware("web");
    }

    public function search(Request $request)
    {
        $queries = explode(" ", $request->q);
        $result = collect();

        foreach ($queries as $query) {
            $result->push(Post::where([
                "is_confirmed" => true,
                "is_active" => true,
            ])
                ->where("title", "like", "%{$query}%")
                ->get());
        }

        $result = $result->flatten();

        return view("blog.search")
            ->with("searchQuery", $request->q)
            ->with("results", $result);
    }

}