public function init()
{
global $polylang;
self::define_constants();
$options = get_option('polylang');
// plugin upgrade
if ($options && version_compare($options['version'], POLYLANG_VERSION, '<')) {
$upgrade = new PLL_Upgrade($options);
if (!$upgrade->upgrade()) {
// if the version is too old
return;
}
}
$class = apply_filters('pll_model', PLL_SETTINGS ? 'PLL_Admin_Model' : 'PLL_Model');
$model = new $class($options);
$links_model = $model->get_links_model();
if (PLL_ADMIN) {
$polylang = new PLL_Admin($links_model);
$polylang->init();
} elseif ($model->get_languages_list()) {
$polylang = new PLL_Frontend($links_model);
$polylang->init();
}
if (!$model->get_languages_list()) {
do_action('pll_no_language_defined');
}
// to load overriden textdomains
// load wpml-config.xml
if (!defined('PLL_WPML_COMPAT') || PLL_WPML_COMPAT) {
PLL_WPML_Config::instance();
}
do_action('pll_init');
}
public function upgrade_languages($version)
{
apply_filters('update_feedback', __('Upgrading language files…', 'polylang'));
foreach ($this->model->get_languages_list() as $language) {
if (!empty($_POST['locale']) && $language->locale != $_POST['locale']) {
// do not (re)update the language files of a localized WordPress
PLL_Admin::download_mo($language->locale, $version);
}
}
}
public function languages_page()
{
// prepare the list of tabs
$tabs = array('lang' => __('Languages', 'polylang'));
// only if at least one language has been created
if ($listlanguages = $this->model->get_languages_list()) {
$tabs['strings'] = __('Strings translation', 'polylang');
$tabs['settings'] = __('Settings', 'polylang');
}
$tabs = apply_filters('pll_settings_tabs', $tabs);
switch ($this->active_tab) {
case 'lang':
// prepare the list table of languages
$list_table = new PLL_Table_Languages();
$list_table->prepare_items($listlanguages);
break;
case 'strings':
// get the strings to translate
$data = PLL_Admin_Strings::get_strings();
// get the groups
foreach ($data as $key => $row) {
$groups[] = $row['context'];
}
$groups = array_unique($groups);
$selected = empty($_REQUEST['group']) || !in_array($_REQUEST['group'], $groups) ? -1 : $_REQUEST['group'];
$s = empty($_REQUEST['s']) ? '' : wp_unslash($_REQUEST['s']);
// filter for search string
foreach ($data as $key => $row) {
if ($selected != -1 && $row['context'] != $selected || !empty($s) && stripos($row['name'], $s) === false && stripos($row['string'], $s) === false) {
unset($data[$key]);
}
}
// load translations
foreach ($listlanguages as $language) {
// filters by language if requested
if (($lg = get_user_meta(get_current_user_id(), 'pll_filter_content', true)) && $language->slug != $lg) {
continue;
}
$mo = new PLL_MO();
// print_r($language);
$mo->import_from_db($language);
foreach ($data as $key => $row) {
$data[$key]['translations'][$language->slug] = $mo->translate($row['string']);
$data[$key]['row'] = $key;
// store the row number for convenience
}
}
// get an array with language slugs as keys, names as values
$languages = array_combine(wp_list_pluck($listlanguages, 'slug'), wp_list_pluck($listlanguages, 'name'));
$string_table = new PLL_Table_String(compact('languages', 'groups', 'selected'));
$string_table->prepare_items($data);
break;
case 'settings':
$post_types = get_post_types(array('public' => true, '_builtin' => false));
$post_types = array_diff($post_types, get_post_types(array('_pll' => true)));
$post_types = array_unique(apply_filters('pll_get_post_types', $post_types, true));
$taxonomies = get_taxonomies(array('public' => true, '_builtin' => false));
$taxonomies = array_diff($taxonomies, get_taxonomies(array('_pll' => true)));
$taxonomies = array_unique(apply_filters('pll_get_taxonomies', $taxonomies, true));
break;
default:
break;
}
$action = isset($_REQUEST['pll_action']) ? $_REQUEST['pll_action'] : '';
switch ($action) {
case 'add':
check_admin_referer('add-lang', '_wpnonce_add-lang');
if ($this->model->add_language($_POST)) {
// backward compatibility WP < 4.0
if (version_compare($GLOBALS['wp_version'], '4.0', '<')) {
PLL_Admin::download_mo($_POST['locale']);
} elseif ('en_US' != $_POST['locale']) {
// attempts to install the language pack
require_once ABSPATH . 'wp-admin/includes/translation-install.php';
if (!wp_download_language_pack($_POST['locale'])) {
add_settings_error('general', 'pll_download_mo', __('The language was created, but the WordPress language file was not downloaded. Please install it manually.', 'polylang'));
}
// force checking for themes and plugins translations updates
wp_update_themes();
wp_update_plugins();
}
}
$this->redirect();
// to refresh the page (possible thanks to the $_GET['noheader']=true)
break;
case 'delete':
check_admin_referer('delete-lang');
if (!empty($_GET['lang'])) {
$this->model->delete_language((int) $_GET['lang']);
}
$this->redirect();
// to refresh the page (possible thanks to the $_GET['noheader']=true)
break;
case 'edit':
if (!empty($_GET['lang'])) {
$edit_lang = $this->model->get_language((int) $_GET['lang']);
}
break;
case 'update':
check_admin_referer('add-lang', '_wpnonce_add-lang');
$error = $this->model->update_language($_POST);
$this->redirect();
// to refresh the page (possible thanks to the $_GET['noheader']=true)
break;
case 'string-translation':
if (!empty($_REQUEST['submit'])) {
check_admin_referer('string-translation', '_wpnonce_string-translation');
$strings = PLL_Admin_Strings::get_strings();
foreach ($this->model->get_languages_list() as $language) {
if (empty($_POST['translation'][$language->slug])) {
// in case the language filter is active (thanks to John P. Bloch)
continue;
}
$mo = new PLL_MO();
$mo->import_from_db($language);
foreach ($_POST['translation'][$language->slug] as $key => $translation) {
$translation = apply_filters('pll_sanitize_string_translation', $translation, $strings[$key]['name'], $strings[$key]['context']);
$mo->add_entry($mo->make_entry($strings[$key]['string'], $translation));
}
// clean database (removes all strings which were registered some day but are no more)
if (!empty($_POST['clean'])) {
$new_mo = new PLL_MO();
foreach ($strings as $string) {
$new_mo->add_entry($mo->make_entry($string['string'], $mo->translate($string['string'])));
}
}
isset($new_mo) ? $new_mo->export_to_db($language) : $mo->export_to_db($language);
}
add_settings_error('general', 'pll_strings_translations_updated', __('Translations updated.', 'polylang'), 'updated');
}
do_action('pll_save_strings_translations');
// unregisters strings registered through WPML API
if ($string_table->current_action() == 'delete' && !empty($_REQUEST['strings']) && function_exists('icl_unregister_string')) {
check_admin_referer('string-translation', '_wpnonce_string-translation');
$strings = PLL_Admin_Strings::get_strings();
foreach ($_REQUEST['strings'] as $key) {
icl_unregister_string($strings[$key]['context'], $strings[$key]['name']);
}
}
// to refresh the page (possible thanks to the $_GET['noheader']=true)
$this->redirect(array_intersect_key($_REQUEST, array_flip(array('s', 'paged', 'group'))));
break;
case 'options':
check_admin_referer('options-lang', '_wpnonce_options-lang');
$this->options['default_lang'] = sanitize_title($_POST['default_lang']);
// we have slug as value
foreach (array('force_lang', 'rewrite') as $key) {
$this->options[$key] = isset($_POST[$key]) ? (int) $_POST[$key] : 0;
}
if (3 == $this->options['force_lang'] && isset($_POST['domains']) && is_array($_POST['domains'])) {
foreach ($_POST['domains'] as $key => $domain) {
$this->options['domains'][$key] = esc_url_raw(trim($domain));
}
}
foreach (array('browser', 'hide_default', 'redirect_lang', 'media_support') as $key) {
$this->options[$key] = isset($_POST[$key]) ? 1 : 0;
}
if (3 == $this->options['force_lang']) {
$this->options['browser'] = $this->options['hide_default'] = 0;
}
foreach (array('sync', 'post_types', 'taxonomies') as $key) {
$this->options[$key] = empty($_POST[$key]) ? array() : array_keys($_POST[$key], 1);
}
update_option('polylang', $this->options);
// refresh rewrite rules in case rewrite, hide_default, post types or taxonomies options have been modified
// it seems useless to refresh permastruct here
flush_rewrite_rules();
// refresh language cache in case home urls have been modified
$this->model->clean_languages_cache();
// fills existing posts & terms with default language
if (isset($_POST['fill_languages']) && ($nolang = $this->model->get_objects_with_no_lang())) {
if (!empty($nolang['posts'])) {
$this->model->set_language_in_mass('post', $nolang['posts'], $this->options['default_lang']);
}
if (!empty($nolang['terms'])) {
$this->model->set_language_in_mass('term', $nolang['terms'], $this->options['default_lang']);
}
}
add_settings_error('general', 'settings_updated', __('Settings saved.'), 'updated');
$this->redirect();
break;
default:
break;
}
// displays the page
include PLL_ADMIN_INC . '/view-languages.php';
}
public function init()
{
global $polylang;
$options = get_option('polylang');
// plugin upgrade
if ($options && version_compare($options['version'], POLYLANG_VERSION, '<')) {
$upgrade = new PLL_Upgrade($options);
if (!$upgrade->upgrade()) {
// if the version is too old
return;
}
}
$model = PLL_SETTINGS ? new PLL_Admin_Model($options) : new PLL_Model($options);
$links_model = $this->get_links_model($model);
if (PLL_ADMIN) {
$polylang = new PLL_Admin($links_model);
$polylang->init();
} elseif ($model->get_languages_list()) {
$polylang = new PLL_Frontend($links_model);
$polylang->init();
} else {
do_action('pll_no_language_defined');
}
// to load overriden textdomains
// load wpml-config.xml
if (!defined('PLL_WPML_COMPAT') || PLL_WPML_COMPAT) {
new PLL_WPML_Config();
}
}
public function upgrade_languages($version)
{
// backward compatibility WP < 4.0
if (version_compare($version, '4.0', '<')) {
apply_filters('update_feedback', __('Upgrading language files…', 'polylang'));
foreach ($this->model->get_languages_list() as $language) {
if (!empty($_POST['locale']) && $language->locale != $_POST['locale']) {
// do not (re)update the language files of a localized WordPress
PLL_Admin::download_mo($language->locale, $version);
}
}
} elseif (version_compare($GLOBALS['wp_version'], '4.0', '<')) {
apply_filters('update_feedback', __('Upgrading language files…', 'polylang'));
PLL_Upgrade::download_language_packs();
}
}
public function languages_page()
{
// prepare the list of tabs
$tabs = array('lang' => __('Languages', 'polylang'));
// only if at least one language has been created
if ($listlanguages = $this->model->get_languages_list()) {
$tabs['strings'] = __('Strings translation', 'polylang');
$tabs['settings'] = __('Settings', 'polylang');
}
$active_tab = !empty($_GET['tab']) ? $_GET['tab'] : 'lang';
switch ($active_tab) {
case 'lang':
// prepare the list table of languages
$list_table = new PLL_Table_Languages();
$list_table->prepare_items($listlanguages);
// error messages for data validation
$errors[1] = __('Enter a valid WordPress locale', 'polylang');
$errors[2] = __('The language code contains invalid characters', 'polylang');
$errors[3] = __('The language code must be unique', 'polylang');
$errors[4] = __('The language must have a name', 'polylang');
$errors[5] = __('The language was created, but the WordPress language file was not downloaded. Please install it manually.', 'polylang');
break;
case 'strings':
// get the strings to translate
$data = $this->get_strings();
$selected = empty($_REQUEST['group']) ? -1 : $_REQUEST['group'];
foreach ($data as $key => $row) {
$groups[] = $row['context'];
// get the groups
// filter for search string
if ($selected != -1 && $row['context'] != $selected || !empty($_REQUEST['s']) && stripos($row['name'], $_REQUEST['s']) === false && stripos($row['string'], $_REQUEST['s']) === false) {
unset($data[$key]);
}
}
$groups = array_unique($groups);
// load translations
foreach ($listlanguages as $language) {
// filters by language if requested
if (($lg = get_user_meta(get_current_user_id(), 'pll_filter_content', true)) && $language->slug != $lg) {
continue;
}
$mo = new PLL_MO();
$mo->import_from_db($language);
foreach ($data as $key => $row) {
$data[$key]['translations'][$language->name] = $mo->translate($row['string']);
$data[$key]['row'] = $key;
// store the row number for convenience
}
}
$string_table = new PLL_Table_String($groups, $selected);
$string_table->prepare_items($data);
break;
case 'settings':
$post_types = get_post_types(array('public' => true, '_builtin' => false));
$post_types = array_diff($post_types, get_post_types(array('_pll' => true)));
$post_types = array_unique(apply_filters('pll_get_post_types', $post_types, true));
$taxonomies = get_taxonomies(array('public' => true, '_builtin' => false));
$taxonomies = array_diff($taxonomies, get_taxonomies(array('_pll' => true)));
$taxonomies = array_unique(apply_filters('pll_get_taxonomies', $taxonomies, true));
break;
default:
break;
}
$using_permalinks = $GLOBALS['wp_rewrite']->using_permalinks();
$action = isset($_REQUEST['pll_action']) ? $_REQUEST['pll_action'] : '';
switch ($action) {
case 'add':
check_admin_referer('add-lang', '_wpnonce_add-lang');
$error = $this->model->add_language($_POST);
if (0 == $error && !PLL_Admin::download_mo($_POST['locale'])) {
$error = 5;
}
wp_redirect('admin.php?page=mlang' . ($error ? '&error=' . $error : ''));
// to refresh the page (possible thanks to the $_GET['noheader']=true)
exit;
break;
case 'delete':
check_admin_referer('delete-lang');
if (!empty($_GET['lang'])) {
$this->model->delete_language((int) $_GET['lang']);
}
wp_redirect('admin.php?page=mlang');
// to refresh the page (possible thanks to the $_GET['noheader']=true)
exit;
break;
case 'edit':
if (!empty($_GET['lang'])) {
$edit_lang = $this->model->get_language((int) $_GET['lang']);
}
break;
case 'update':
check_admin_referer('add-lang', '_wpnonce_add-lang');
$error = $this->model->update_language($_POST);
wp_redirect('admin.php?page=mlang' . ($error ? '&error=' . $error : ''));
// to refresh the page (possible thanks to the $_GET['noheader']=true)
exit;
break;
case 'string-translation':
if (!empty($_REQUEST['submit'])) {
check_admin_referer('string-translation', '_wpnonce_string-translation');
$strings = $this->get_strings();
foreach ($this->model->get_languages_list() as $language) {
if (empty($_POST['translation'][$language->name])) {
// in case the language filter is active (thanks to John P. Bloch)
continue;
}
$mo = new PLL_MO();
$mo->import_from_db($language);
foreach ($_POST['translation'][$language->name] as $key => $translation) {
$mo->add_entry($mo->make_entry($strings[$key]['string'], stripslashes($translation)));
}
// clean database (removes all strings which were registered some day but are no more)
if (!empty($_POST['clean'])) {
$new_mo = new PLL_MO();
foreach ($strings as $string) {
$new_mo->add_entry($mo->make_entry($string['string'], $mo->translate($string['string'])));
}
}
isset($new_mo) ? $new_mo->export_to_db($language) : $mo->export_to_db($language);
}
}
do_action('pll_save_strings_translations');
// unregisters strings registered through WPML API
if ($string_table->current_action() == 'delete' && !empty($_REQUEST['strings']) && function_exists('icl_unregister_string')) {
check_admin_referer('string-translation', '_wpnonce_string-translation');
$strings = $this->get_strings();
foreach ($_REQUEST['strings'] as $key) {
icl_unregister_string($strings[$key]['context'], $strings[$key]['name']);
}
}
// to refresh the page (possible thanks to the $_GET['noheader']=true)
$url = 'admin.php?page=mlang&tab=strings';
foreach (array('s', 'paged', 'group') as $qv) {
$url = empty($_REQUEST[$qv]) ? $url : $url . '&' . $qv . '=' . $_REQUEST[$qv];
}
wp_redirect($url);
exit;
break;
case 'options':
check_admin_referer('options-lang', '_wpnonce_options-lang');
$this->options['default_lang'] = sanitize_title($_POST['default_lang']);
// we have slug as value
foreach (array('force_lang', 'rewrite') as $key) {
$this->options[$key] = isset($_POST[$key]) ? (int) $_POST[$key] : 0;
}
// FIXME : TODO error message if not a valid url
if (3 == $this->options['force_lang'] && isset($_POST['domains']) && is_array($_POST['domains'])) {
foreach ($_POST['domains'] as $key => $domain) {
$this->options['domains'][$key] = esc_url_raw(trim($domain));
}
$this->options['domains'][$this->options['default_lang']] = get_option('home');
}
foreach (array('browser', 'hide_default', 'redirect_lang', 'media_support') as $key) {
$this->options[$key] = isset($_POST[$key]) ? 1 : 0;
}
if (3 == $this->options['force_lang']) {
$this->options['browser'] = $this->options['hide_default'] = 0;
}
foreach (array('sync', 'post_types', 'taxonomies') as $key) {
$this->options[$key] = empty($_POST[$key]) ? array() : array_keys($_POST[$key], 1);
}
update_option('polylang', $this->options);
// refresh rewrite rules in case rewrite, hide_default, post types or taxonomies options have been modified
// it seems useless to refresh permastruct here
flush_rewrite_rules();
// refresh language cache in case home urls have been modified
$this->model->clean_languages_cache();
// fills existing posts & terms with default language
if (isset($_POST['fill_languages']) && ($nolang = $this->model->get_objects_with_no_lang())) {
if (!empty($nolang['posts'])) {
$this->model->set_language_in_mass('post', $nolang['posts'], $this->options['default_lang']);
}
if (!empty($nolang['terms'])) {
$this->model->set_language_in_mass('term', $nolang['terms'], $this->options['default_lang']);
}
}
wp_redirect('admin.php?page=mlang&tab=settings&updated=true');
// updated=true interpreted by WP
exit;
break;
default:
break;
}
// displays the page
include PLL_ADMIN_INC . '/view-languages.php';
}
