Php License Key System Github Install -

PHP scripts often need write access to cache or log folders. Run:

chmod -R 755 storage/ cache/ logs/
chmod -R 775 vendor/bin/
chown -R www-data:www-data . # For Apache

composer require keygen/shared

Before diving into the code, it’s important to understand the architecture. Most license systems operate on a Server-Client model: php license key system github install

Using a pre-built system from GitHub saves you days of development time and usually provides a dashboard to manage your users and sales. PHP scripts often need write access to cache or log folders

<?php
// validate.php
header('Content-Type: application/json');
$licenseKey = $_POST['license_key'] ?? '';
$productId = $_POST['product_id'] ?? ''; composer require keygen/shared
$pdo = new PDO('mysql:host=localhost;dbname=licenses', 'root', '');
$stmt = $pdo->prepare("SELECT * FROM licenses WHERE license_key = ? AND product_id = ?");
$stmt->execute([$licenseKey, $productId]);
$license = $stmt->fetch();
if ($license && $license['expires_at'] > date('Y-m-d H:i:s')) 
echo json_encode(['valid' => true, 'message' => 'License active']);
 else 
echo json_encode(['valid' => false, 'message' => 'Invalid/expired license']);