<?php function checkLicense($licenseKey, $domain = null) $ch = curl_init('https://your-server.com/validate.php'); $payload = json_encode(['license_key' => $licenseKey, 'domain' => $domain]); curl_setopt($ch, CURLOPT_POSTFIELDS, $payload); curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); $response = curl_exec($ch); $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE); curl_close($ch); if ($httpCode === 200) $data = json_decode($response, true); return $data['valid'] ?? false;
cp .env.example .env nano .env
GitHub hosts several excellent open-source PHP license systems. In this guide, I’ll walk you through installing one of the most popular and robust options: (or similar structure), explaining the core concepts so you can adapt them to any repository. php license key system github install
$userData = [ 'name' => 'John Doe', 'email' => 'john.doe@example.com', ]; $userData = [ 'name' => 'John Doe', 'email' => 'john
Most PHP license systems follow this pattern: $userData = [ 'name' =>
Modern PHP applications use .env files to manage configuration without hardcoding credentials.
Implementing a license key system provides several benefits: