Unsichtbares CAPTCHA für PHP

Composer-Paket mit Laravel- und Symfony-Integration. Unsichtbar, DSGVO-konform, in 5 Minuten integriert.

PHP CAPTCHA Integration

PHP Developer Features

Composer-Paket – einfache Installation
Laravel-Integration – Middleware & Validation Rule
Symfony-Bundle – Service Container Integration
PHP 8.0+ kompatibel
PSR-7/PSR-15 Middleware
Umfassende Dokumentation

Code-Beispiele

Installation

composer require silentshield/php-sdk

PHP – Einfache Verifizierung

<?php
use SilentShield\SilentShield;

$shield = new SilentShield('YOUR_SECRET_KEY');

$token = $_POST['silentshield_token'] ?? '';
$result = $shield->verify($token, $_SERVER['REMOTE_ADDR']);

if ($result->isSuccess()) {
    // Process form
    processForm($_POST);
} else {
    // Bot detected
    http_response_code(403);
    echo 'Bot detected';
}

Laravel – Validation Rule

// In your FormRequest:
public function rules(): array
{
    return [
        'name' => 'required|string',
        'email' => 'required|email',
        'silentshield_token' => 'required|silentshield',
    ];
}

// config/silentshield.php
return [
    'secret_key' => env('SILENTSHIELD_SECRET'),
];

Frontend-Einbindung

<!-- In your HTML/Blade/Twig template: -->
<script src="https://cdn.silentshield.dev/v1/shield.js"
  data-site-key="YOUR_SITE_KEY">
</script>

<form method="POST" action="/contact">
  <!-- Your form fields -->
  <button type="submit">Submit</button>
</form>

Jetzt in PHP integrieren

composer require silentshield/php-sdk – in 5 Minuten einsatzbereit.