$validator = new LicenseValidator(); $result = $validator->validate( $data['license_key'], $data['domain'] ?? null, $data['activation_code'] ?? null );
Before diving into GitHub repositories, it is essential to understand the three pillars of a standard licensing architecture. Most systems you find on GitHub will follow this pattern, but the quality of execution varies wildly.
| Pitfall | How it fails | How GitHub projects address it | |---------|--------------|--------------------------------| | | LICENSE-001 , LICENSE-002 – trivial to brute force | Use random_bytes() + base32 encode ( Licenser does this). | | No revocation | Once a key leaks, it works forever | Admin panel to mark revoked=1 ; remote validator checks this. | | Time zone issues | Expiry breaks on servers in UTC vs EST | Store all timestamps as UTC; convert on display. laravel-license uses Carbon . | | SQL injection | Custom SQL queries in validation logic | All listed projects use PDO or Eloquent. | | Man-in-the-middle | Fake DNS returns always-valid response | Use HTTPS + certificate pinning. simple-php-license avoids network calls entirely with signatures. | php license key system github
$result = $stmt->fetch(); return $result['count'] > 0;
return $licenseKey;
GitHub solutions are but require you to maintain the server and update the library. For most independent developers, that’s fine – you can copy/paste and tweak.
A Laravel-based application designed to help developers license their software without building a system from scratch. Most systems you find on GitHub will follow
<?php require_once 'vendor/autoload.php'; // or the licenser autoload
return [ 'license_key' => $licenseKey, 'expires_at' => $expiresAt, 'license_type' => $licenseType ]; | | Time zone issues | Expiry breaks
There is a
return null;
