Online PHP editor | refs for LpLl2

<?php $urls = [ 'https://example.com/api/', 'https://www.example.com/test-subpath', 'https://www.example.com', 'example.com/test/page', 'www.example.com', 'www.subdomain.example.com', 'https://www.subdomain.example.com', 'subdomain.example.com', 'http://subdomain.example.com', 'https://subdomain.example.com', ]; foreach ($urls as $url) { echo filter_var($url, FILTER_VALIDATE_URL) ? 'OKAY' : 'FAIL', ': ', $url, PHP_EOL; }