array('name' => 'English', 'native' => 'English', 'flag' => 'uk'),
'pt_br' => array('name' => 'Portuguese', 'native' => 'Português', 'flag' => 'pt'),
'es' => array('name' => 'Spanish', 'native' => 'Español', 'flag' => 'es'),
'pl' => array('name' => 'Polish', 'native' => 'Polski', 'flag' => 'pl'),
'de' => array('name' => 'German', 'native' => 'Deutsch', 'flag' => 'de')
);
}
function translate_sanitize(string $code): string {
$code = strtolower(preg_replace('/[^a-zA-Z_]/', '', $code) ?? '');
return isset(translate_catalog()[$code]) ? $code : '';
}
function translate_default(): string {
$code = translate_sanitize((string)(config('language') ?? 'en'));
return ($code !== '') ? $code : 'en';
}
function translate_enabled(): array {
$configured = config('languages_enabled');
if (is_string($configured)) {
$decoded = json_decode($configured, true);
$configured = is_array($decoded) ? $decoded : explode(',', $configured);
}
$enabled = array();
if (is_array($configured)) {
foreach ($configured as $code) {
$clean = translate_sanitize((string)$code);
if ($clean !== '' && !in_array($clean, $enabled, true)) {
$enabled[] = $clean;
}
}
}
if (!$enabled) {
$enabled = array_keys(translate_catalog());
}
$default = translate_default();
if (!in_array($default, $enabled, true)) {
array_unshift($enabled, $default);
}
return $enabled;
}
function translate_from_browser(): string {
$header = (string)($_SERVER['HTTP_ACCEPT_LANGUAGE'] ?? '');
if ($header === '') {
return '';
}
$enabled = translate_enabled();
$ranked = array();
foreach (explode(',', $header) as $part) {
$bits = explode(';q=', trim($part));
$tag = strtolower(str_replace('-', '_', trim($bits[0])));
$q = isset($bits[1]) ? (float)$bits[1] : 1.0;
if ($tag === '') {
continue;
}
$ranked[] = array('tag' => $tag, 'q' => $q);
}
usort($ranked, function ($a, $b) { return $b['q'] <=> $a['q']; });
foreach ($ranked as $entry) {
$tag = $entry['tag'];
if (in_array($tag, $enabled, true)) {
return $tag;
}
$base = explode('_', $tag)[0];
foreach ($enabled as $code) {
if ($code === $base || strpos($code, $base . '_') === 0) {
return $code;
}
}
}
return '';
}
function translate_active(?string $set = null): string {
static $active = null;
if ($set !== null) {
$active = $set;
return $active;
}
if ($active !== null) {
return $active;
}
$enabled = translate_enabled();
$fromUrl = translate_sanitize((string)($_GET['lang'] ?? ''));
if ($fromUrl !== '' && in_array($fromUrl, $enabled, true)) {
translate_remember($fromUrl);
return $active = $fromUrl;
}
$prefix = (string)($GLOBALS['config']['session_prefix'] ?? '');
$fromStore = translate_sanitize((string)($_SESSION[$prefix . 'language'] ?? $_COOKIE[$prefix . 'language'] ?? ''));
if ($fromStore !== '' && in_array($fromStore, $enabled, true)) {
return $active = $fromStore;
}
$fromBrowser = translate_from_browser();
if ($fromBrowser !== '') {
return $active = $fromBrowser;
}
return $active = translate_default();
}
function translate_remember(string $code): void {
$code = translate_sanitize($code);
if ($code === '' || !in_array($code, translate_enabled(), true)) {
return;
}
$prefix = (string)($GLOBALS['config']['session_prefix'] ?? '');
if (session_status() === PHP_SESSION_ACTIVE) {
$_SESSION[$prefix . 'language'] = $code;
}
if (!headers_sent()) {
setcookie($prefix . 'language', $code, array(
'expires' => time() + (365 * 86400),
'path' => '/',
'samesite' => 'Lax'
));
}
$_COOKIE[$prefix . 'language'] = $code;
}
function translate_load(string $code): array {
static $loaded = array();
$code = translate_sanitize($code);
if ($code === '') {
return array();
}
if (isset($loaded[$code])) {
return $loaded[$code];
}
$core = array();
$file = __DIR__ . '/../../locale/' . $code . '.php';
if (is_file($file)) {
$included = include $file;
if (is_array($included)) {
$core = $included;
}
}
return $loaded[$code] = translate_theme_strings($code) + $core + translate_plugin_strings($code);
}
function translate_theme_strings(string $code): array {
if (!function_exists('theme_chain') || !function_exists('theme_root')) {
return array();
}
$strings = array();
foreach (theme_chain() as $theme) {
$file = theme_root() . '/' . $theme . '/locale/' . $code . '.php';
if (!is_file($file)) {
continue;
}
$loaded = include $file;
if (is_array($loaded)) {
$strings += $loaded;
}
}
return $strings;
}
function translate_plugin_strings(string $code): array {
if (!function_exists('znote_plugins')) {
return array();
}
$strings = array();
foreach (znote_plugins() as $name => $plugin) {
if (empty($plugin['enabled'])) {
continue;
}
$file = rtrim((string)($plugin['path'] ?? ''), '/\\') . '/locale/' . $code . '.php';
if (!is_file($file)) {
continue;
}
$loaded = include $file;
if (is_array($loaded)) {
$strings += $loaded;
}
}
return $strings;
}
function t(string $key, array $vars = array()): string {
$active = translate_active();
$strings = translate_load($active);
$text = $strings[$key] ?? null;
if ($text === null && $active !== 'en') {
$fallback = translate_load('en');
$text = $fallback[$key] ?? null;
}
if ($text === null) {
$text = $key;
}
if ($vars) {
$replace = array();
foreach ($vars as $name => $value) {
$replace['{' . $name . '}'] = (string)$value;
}
$text = strtr($text, $replace);
}
return $text;
}
function te(string $key, array $vars = array()): void {
echo t($key, $vars);
}
if (!function_exists('h')) {
function h($s): string {
return htmlspecialchars((string)($s ?? ''), ENT_QUOTES, 'UTF-8');
}
}
function t_default(string $key, string $fallback, array $vars = array()): string {
$text = t($key, $vars);
return ($text === $key) ? $fallback : $text;
}
function translate_flag(string $flag): string {
if (!preg_match('/^[a-z]{2,3}$/', $flag) || !is_file(__DIR__ . '/../../assets/flags/' . $flag . '.png')) {
return '';
}
return '
';
}
function translate_url(string $code): string {
$query = $_GET;
$query['lang'] = $code;
$path = strtok((string)($_SERVER['REQUEST_URI'] ?? '/'), '?');
return htmlspecialchars(($path === false ? '/' : $path) . '?' . http_build_query($query), ENT_QUOTES, 'UTF-8');
}
function translate_selector(): string {
$enabled = translate_enabled();
if (count($enabled) < 2) {
return '';
}
$catalog = translate_catalog();
$active = translate_active();
$current = $catalog[$active] ?? $catalog['en'];
$items = '';
foreach ($enabled as $code) {
$entry = $catalog[$code] ?? null;
if ($entry === null) {
continue;
}
$items .= ''
. '' . translate_flag($entry['flag']) . ''
. '' . htmlspecialchars($entry['native'], ENT_QUOTES, 'UTF-8') . '';
}
return ''
. ''
. '
';
}
function translate_selector_assets(): string {
return ''
. '';
}
function translate_selector_rendered(?bool $set = null): bool {
static $done = false;
if ($set !== null) {
$done = $set;
}
return $done;
}
function translate_inject(): string {
if (!config('language_selector') || translate_selector_rendered()) {
return '';
}
$markup = translate_selector();
if ($markup === '') {
return '';
}
translate_selector_rendered(true);
return $markup . translate_selector_assets();
}