DeveloperBreeze

Filtering Laravel Routes: Excluding Admin Routes with Artisan and Grep

The command:

php artisan route:list | grep -v "admin"

This command lists all the routes in a Laravel application but excludes those that contain the word "admin." Here's how it works:

  • php artisan route:list: This command outputs a list of all routes defined in your Laravel application, including the HTTP method, URI, name, and associated controller/action.
  • | grep -v "admin": The pipe (|) passes the output of the route:list command to grep, which filters the results. The -v flag in grep inverts the match, so it excludes any lines that contain the word "admin."

This is useful when you want to inspect or work with routes but ignore specific routes (in this case, admin-related ones).

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Building a Laravel Application with Vue.js for Dynamic Interfaces

  • You need dynamic front-end features like form validation, live search, or interactive dashboards.
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  • Vue.js powers the reactive user interface.

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Implementing Full-Text Search in Laravel

We’ll implement full-text search using MySQL’s built-in capabilities.

Create a new Laravel project using Composer:

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Creating Custom Blade Components and Directives

Consider a scenario where:

  • You need reusable components for buttons, modals, or alerts.
  • Complex logic in Blade templates can be simplified using custom directives.
  • You want to ensure your templates follow DRY (Don’t Repeat Yourself) principles.

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Securing Laravel Applications Against Common Vulnerabilities

   php artisan breeze:install

Use packages like laravel/fortify to implement MFA:

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Building a Custom Pagination System for API Responses

Add query parameters for sorting:

   public function index(Request $request)
   {
       $sortBy = $request->get('sort_by', 'id');
       $sortOrder = $request->get('sort_order', 'asc');

       $posts = Post::orderBy($sortBy, $sortOrder)->paginate(10);

       return response()->json([
           'data' => $posts->items(),
           'meta' => [
               'current_page' => $posts->currentPage(),
               'per_page' => $posts->perPage(),
               'total' => $posts->total(),
               'last_page' => $posts->lastPage(),
           ],
           'links' => [
               'next' => $posts->nextPageUrl(),
               'previous' => $posts->previousPageUrl(),
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Handling Race Conditions in Laravel Jobs and Queues

Consider a scenario where:

  • Multiple users submit forms simultaneously, and their data is processed by queued jobs.
  • Two jobs attempt to update the same resource, such as inventory or account balances, at the same time.
  • A lack of locking or proper checks causes overwrites, duplicate entries, or data corruption.

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Managing File Uploads in Laravel with Validation and Security

Define the store method:

   namespace App\Http\Controllers;

   use Illuminate\Http\Request;

   class FileController extends Controller
   {
       public function store(Request $request)
       {
           // File upload logic will go here
       }
   }

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Optimizing Large Database Queries in Laravel

   $orders = Order::lazy();

   foreach ($orders as $order) {
       // Process each order
   }

Benefit: Lazy collections avoid loading the entire dataset into memory.

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Debugging Common Middleware Issues in Laravel

Check your logs to confirm if the middleware is executed and in the correct order.

Debug why middleware conditions are failing:

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Handling Complex Relationships in Eloquent

Eloquent’s relationship system is one of the most powerful features of Laravel. However, working with many-to-many relationships or polymorphic relationships with additional complexity can become tricky. This tutorial dives deep into managing complex relationships in Eloquent, including custom pivot models, nested relationships, and polymorphic structures.

Consider an application where:

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Resolving N+1 Query Problems in Laravel

For extremely large datasets, consider switching from Eloquent to raw queries with the Query Builder:

$posts = DB::table('posts')
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Creating Dynamic Content in Laravel Based on Site Settings

   @if ($sidebarVisible)
       <div class="sidebar">
           <!-- Sidebar content -->
       </div>
   @endif

   @if ($featuredWidget)
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           <h3>Featured Products</h3>
           <!-- Widget content -->
       </div>
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Allow admins to manage content-related settings dynamically.

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Laravel Best Practices for Sharing Data Between Views and Controllers

In AppServiceProvider or a custom service provider, load and share data:

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   class GlobalDataServiceProvider extends ServiceProvider
   {
       public function boot()
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           View::share('globalConfig', $globalConfig);
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Creating a Configurable Pagination System in Laravel

   php artisan make:controller Admin/SettingsController

Add methods to edit and update settings:

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Using Laravel Config and Localization Based on Site Settings

   php artisan make:controller Admin/SiteSettingsController

Define edit and update methods:

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Optimizing Performance in Laravel by Centralizing Data Loading

  • Max Uploads: Limits the number of files a user can upload.
  • API Rate Limit: Defines the number of API requests allowed per minute.
  • Feature Toggles: Manages the state of application features.

Generate a new service provider to handle shared data:

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Building a Base Controller for Reusable Data Access in Laravel

The shared data passed from controllers can now be accessed directly in Blade templates.

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       <p>File uploads are disabled.</p>
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Leveraging Service Providers to Manage Global Data in Laravel

Access the shared data in your Blade files:

   <p>API Limit: {{ $globalPreferences['api_limit'] }}</p>

   @if ($globalPreferences['app_mode'] === 'maintenance')
       <p>The application is currently under maintenance.</p>
   @else
       <p>The application is live.</p>
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   @if ($globalPreferences['feedback_form_enabled'])
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           <!-- Feedback form content -->
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Using the Singleton Pattern to Optimize Shared Data in Laravel

Open the generated file in app/Providers/SharedDataServiceProvider.php and define a singleton for the shared data:

   namespace App\Providers;

   use Illuminate\Support\ServiceProvider;

   class SharedDataServiceProvider extends ServiceProvider
   {
       public function register()
       {
           $this->app->singleton('sharedData', function () {
               return (object) [
                   'maxUploads' => 20, // Maximum file uploads allowed
                   'apiRateLimit' => 100, // API requests per minute
                   'theme' => 'dark', // Default UI theme
               ];
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How to Dynamically Manage Application Settings in Laravel

   namespace App\Http\Middleware;

   use Closure;

   class RateLimitMiddleware
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       public function handle($request, Closure $next)
       {
           $rateLimit = getSetting('api_rate_limit', 60);
           // Apply the rate limit logic here
           return $next($request);
       }
   }

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