Php License Key System Github Direct

/** * Get license by key */ private function getLicense($licenseKey) { $sql = "SELECT * FROM licenses WHERE license_key = :license_key"; $stmt = $this->db->prepare($sql); $stmt->execute([':license_key' => $licenseKey]); return $stmt->fetch(); }

/** * Check if license is valid */ public function checkLicense() { // Check cache first $cached = $this->getCachedValidation(); if ($cached && $cached['timestamp'] > (time() - 86400)) { // 24 hour cache return $cached['data']; } // Validate with server $result = $this->validateWithServer(); if ($result['valid']) { $this->cacheValidation($result); } return $result; } php license key system github

// Authentication check (you should implement proper auth) $apiKey = $_SERVER['HTTP_X_API_KEY'] ?? null; if ($apiKey !== 'your-admin-api-key') { http_response_code(401); echo json_encode(['error' => 'Unauthorized']); exit; } /** * Get license by key */ private

// License settings define('MAX_ACTIVATION_ATTEMPTS', 5); define('VALIDATION_TIMEOUT_HOURS', 24); <?php // src/Database.php class Database { private static $instance = null; private $connection; $stmt = $this-&gt