PHP LockIt is a 4KB PHP class that checks:
Before serving any file, the script checks if the current domain is allowed. php lockit download
// config.php define('SECRET_KEY', 'your_strong_32_byte_key_here'); define('FILE_STORAGE', '/var/www/private/downloads/'); // Outside public HTML// Authorized domains and their licenses $allowed_domains = [ 'client-website.com' => 'license_abc123', 'another-client.net' => 'license_xyz789' ]; PHP LockIt is a 4KB PHP class that checks:
function validate_license($domain, $license_key) global $allowed_domains; return (isset($allowed_domains[$domain]) && $allowed_domains[$domain] === $license_key);They may depend on specific PHP API versions;