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<?php
defined( 'ABSPATH' ) || exit;
/**
* Get all langs to display in admin bar for WPML
*
* @since 1.3.0
*
* @return array $langlinks List of active languages
*/
function get_rocket_wpml_langs_for_admin_bar() { // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals
global $sitepress;
$langlinks = [];
// Making all languages the first option either when it's set or not.
$langlinks[] = [
'code' => 'all',
'current' => 'all' === $sitepress->get_current_language(),
'anchor' => __( 'All languages', 'rocket' ),
'flag' => '<img class="icl_als_iclflag" src="' . ICL_PLUGIN_URL . '/res/img/icon16.png" alt="all" width="16" height="16" />',
];
foreach ( $sitepress->get_active_languages() as $lang ) {
// Get flag.
$flag = $sitepress->get_flag( $lang['code'] );
$flag_url = ICL_PLUGIN_URL . '/res/flags/' . $flag->flag;
if ( $flag->from_template ) {
$wp_upload_dir = wp_upload_dir();
$flag_url = $wp_upload_dir['baseurl'] . '/flags/' . $flag->flag;
}
$langlinks[] = [
'code' => $lang['code'],
'current' => $lang['code'] === $sitepress->get_current_language(),
'anchor' => $lang['display_name'],
'flag' => '<img class="icl_als_iclflag" src="' . esc_url( $flag_url ) . '" alt="' . esc_attr( $lang['code'] ) . '" width="18" height="12" />',
];
}
return $langlinks;
}
/**
* Get all langs to display in admin bar for qTranslate
*
* @since 2.7 add fork param
* @since 1.3.5
*
* @param string $fork qTranslate fork name.
* @return array $langlinks List of active languages
*/
function get_rocket_qtranslate_langs_for_admin_bar( $fork = '' ) { // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals
global $q_config;
$langlinks = [];
$currentlang = [];
foreach ( $q_config['enabled_languages'] as $lang ) {
$langlinks[ $lang ] = [
'code' => $lang,
'anchor' => $q_config['language_name'][ $lang ],
'flag' => '<img src="' . esc_url( trailingslashit( WP_CONTENT_URL ) . $q_config['flag_location'] . $q_config['flag'][ $lang ] ) . '" alt="' . esc_attr( $q_config['language_name'][ $lang ] ) . '" width="18" height="12" />',
];
}
if ( isset( $_GET['lang'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
$lang = sanitize_key( $_GET['lang'] ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
if ( 'x' === $fork ) {
if ( qtranxf_isEnabled( $lang ) ) {
$currentlang[ $lang ] = $langlinks[ $lang ];
unset( $langlinks[ $lang ] );
$langlinks = $currentlang + $langlinks;
}
} elseif ( qtrans_isEnabled( $lang ) ) {
$currentlang[ $lang ] = $langlinks[ $lang ];
unset( $langlinks[ $lang ] );
$langlinks = $currentlang + $langlinks;
}
}
return $langlinks;
}
/**
* Get all langs to display in admin bar for Polylang
*
* @since 2.2
*
* @return array $langlinks List of active languages
*/
function get_rocket_polylang_langs_for_admin_bar() { // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals
global $polylang;
$langlinks = [];
$currentlang = [];
$langs = [];
$img = '';
$pll = function_exists( 'PLL' ) ? PLL() : $polylang;
if ( isset( $pll ) ) {
$langs = $pll->model->get_languages_list();
if ( ! empty( $langs ) ) {
foreach ( $langs as $lang ) {
if ( ! empty( $lang->flag ) ) {
$img = strpos( $lang->flag, 'img' ) !== false ? $lang->flag . ' ' : $lang->flag;
}
if ( isset( $pll->curlang->slug ) && $lang->slug === $pll->curlang->slug ) {
$currentlang[ $lang->slug ] = [
'code' => $lang->slug,
'anchor' => $lang->name,
'flag' => $img,
];
} else {
$langlinks[ $lang->slug ] = [
'code' => $lang->slug,
'anchor' => $lang->name,
'flag' => $img,
];
}
}
}
}
return $currentlang + $langlinks;
}
/**
* Tell if a translation plugin is activated.
*
* @since 2.0
* @since 3.2.1 Return an identifier on success instead of true.
*
* @return string An identifier corresponding to the active plugin.
*/
function rocket_has_i18n() {
global $sitepress, $q_config, $polylang;
if ( ! empty( $sitepress ) && is_object( $sitepress ) && method_exists( $sitepress, 'get_active_languages' ) ) {
// WPML.
return 'wpml';
}
if ( ! empty( $polylang ) && function_exists( 'pll_languages_list' ) ) {
$languages = pll_languages_list();
if ( empty( $languages ) ) {
return '';
}
// Polylang, Polylang Pro.
return 'polylang';
}
if ( ! empty( $q_config ) && is_array( $q_config ) ) {
if ( function_exists( 'qtranxf_convertURL' ) ) {
// qTranslate-x.
return 'qtranslate-x';
}
if ( function_exists( 'qtrans_convertURL' ) ) {
// qTranslate.
return 'qtranslate';
}
}
$identifier = '';
$default = $identifier;
/**
* Filters the value of i18n plugin detection
*
* @param string $identifier An identifier value.
*/
$identifier = apply_filters( 'rocket_has_i18n', $identifier );
if ( ! is_string( $identifier ) ) {
$identifier = $default;
}
return $identifier;
}
/**
* Get infos of all active languages.
*
* @since 2.0
*
* @return array A list of language codes.
*/
function get_rocket_i18n_code() { // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals
$i18n_plugin = rocket_has_i18n();
if ( ! $i18n_plugin ) {
return [];
}
if ( 'wpml' === $i18n_plugin ) {
// WPML.
return array_keys( $GLOBALS['sitepress']->get_active_languages() );
}
if ( 'qtranslate' === $i18n_plugin || 'qtranslate-x' === $i18n_plugin ) {
// qTranslate, qTranslate-x.
return ! empty( $GLOBALS['q_config']['enabled_languages'] ) ? $GLOBALS['q_config']['enabled_languages'] : [];
}
if ( 'polylang' === $i18n_plugin ) {
// Polylang, Polylang Pro.
return pll_languages_list();
}
$codes = [];
$default = $codes;
/**
* Filters the active languages codes list
*
* @param array $codes Array of languages codes.
*/
$codes = apply_filters( 'rocket_get_i18n_code', $codes );
if ( ! is_array( $codes ) ) {
$codes = $default;
}
return $codes;
}
/**
* Get all active languages host
*
* @since 2.6.8
*
* @return array $urls List of all active languages host
*/
function get_rocket_i18n_host() { // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals
$langs_host = [];
$langs = get_rocket_i18n_uri();
if ( empty( $langs ) ) {
return $langs_host;
}
foreach ( $langs as $lang ) {
$langs_host[] = wp_parse_url( $lang, PHP_URL_HOST );
}
return $langs_host;
}
/**
* Get all active languages URI.
*
* @since 2.0
*
* @return array $urls List of all active languages URI.
*/
function get_rocket_i18n_uri() { // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals
$i18n_plugin = rocket_has_i18n();
$urls = [];
if ( 'wpml' === $i18n_plugin ) {
// WPML.
foreach ( get_rocket_i18n_code() as $lang ) {
$urls[] = $GLOBALS['sitepress']->language_url( $lang );
}
} elseif ( 'qtranslate' === $i18n_plugin || 'qtranslate-x' === $i18n_plugin ) {
// qTranslate, qTranslate-x.
foreach ( get_rocket_i18n_code() as $lang ) {
if ( 'qtranslate' === $i18n_plugin ) {
$urls[] = qtrans_convertURL( home_url(), $lang, true );
} else {
$urls[] = qtranxf_convertURL( home_url(), $lang, true );
}
}
} elseif ( 'polylang' === $i18n_plugin ) {
// Polylang, Polylang Pro.
$pll = function_exists( 'PLL' ) ? PLL() : $GLOBALS['polylang'];
if ( ! empty( $pll ) && is_object( $pll ) ) {
if ( ! defined( 'POLYLANG_VERSION' ) || version_compare( POLYLANG_VERSION, '3.4', '<' ) ) {
$urls = wp_list_pluck( $pll->model->get_languages_list(), 'search_url' );
}else {
$languages = $pll->model->get_languages_list();
foreach ( $languages as $language ) {
$urls[] = $language->get_home_url();
}
}
}
}
/**
* Filters the value of all active languages URI
*
* @param array Array of active languages URI.
*/
$urls = apply_filters( 'rocket_get_i18n_uri', $urls );
if (
! is_array( $urls )
||
empty( $urls )
) {
$urls[] = home_url();
}
return $urls;
}
/**
* Get directories paths to preserve languages when purging a domain.
* This function is required when the domains of languages (other than the default) are managed by subdirectories.
* By default, when you clear the cache of the french website with the domain example.com, all subdirectory like /en/
* and /de/ are deleted. But, if you have a domain for your english and german websites with example.com/en/ and
* example.com/de/, you want to keep the /en/ and /de/ directory when the french domain is cleared.
*
* @since 3.5.5 Normalize paths + micro-optimization by passing in the cache path.
* @since 2.0
*
* @param string $current_lang The current language code.
* @param string $cache_path Optional. WP Rocket's cache path.
*
* @return array A list of directories path to preserve.
*/
function get_rocket_i18n_to_preserve( $current_lang, $cache_path = '' ) { // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals
// Must not be an empty string.
if ( empty( $current_lang ) ) {
return [];
}
// Must not be anything else but a string.
if ( ! is_string( $current_lang ) ) {
return [];
}
$i18n_plugin = rocket_has_i18n();
if ( ! $i18n_plugin ) {
return [];
}
$langs = get_rocket_i18n_code();
if ( empty( $langs ) ) {
return [];
}
// Remove current lang to the preserve dirs.
$langs = array_diff( $langs, [ $current_lang ] );
if ( '' === $cache_path ) {
$cache_path = _rocket_get_wp_rocket_cache_path();
}
// Stock all URLs of langs to preserve.
$langs_to_preserve = [];
foreach ( $langs as $lang ) {
$parse_url = get_rocket_parse_url( get_rocket_i18n_home_url( $lang ) );
$langs_to_preserve[] = _rocket_normalize_path(
"{$cache_path}{$parse_url['host']}(.*)/" . trim( $parse_url['path'], '/' ),
true // escape directory separators for regex.
);
}
/**
* Filter directories path to preserve of cache purge.
*
* @since 2.1
*
* @param array $langs_to_preserve List of directories path to preserve.
*/
return (array) apply_filters( 'rocket_langs_to_preserve', $langs_to_preserve );
}
/**
* Get all languages subdomains URLs
*
* @since 2.1
*
* @return array $urls List of languages subdomains URLs
*/
function get_rocket_i18n_subdomains() { // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals
$i18n_plugin = rocket_has_i18n();
if ( ! $i18n_plugin ) {
return [];
}
$urls = [];
$default = $urls;
switch ( $i18n_plugin ) {
// WPML.
case 'wpml':
$option = get_option( 'icl_sitepress_settings' );
if ( 2 === (int) $option['language_negotiation_type'] ) {
$urls = get_rocket_i18n_uri();
}
break;
// qTranslate.
case 'qtranslate':
if ( 3 === (int) $GLOBALS['q_config']['url_mode'] ) {
$urls = get_rocket_i18n_uri();
}
break;
// qTranslate-x.
case 'qtranslate-x':
if ( 3 === (int) $GLOBALS['q_config']['url_mode'] || 4 === (int) $GLOBALS['q_config']['url_mode'] ) {
$urls = get_rocket_i18n_uri();
}
break;
// Polylang, Polylang Pro.
case 'polylang':
$pll = function_exists( 'PLL' ) ? PLL() : $GLOBALS['polylang'];
if ( ! empty( $pll ) && is_object( $pll ) && ( 2 === (int) $pll->options['force_lang'] || 3 === (int) $pll->options['force_lang'] ) ) {
$urls = get_rocket_i18n_uri();
}
break;
default:
/**
* Filters the list of languages subdomains URLs
*
* @param array $urls Array of languages subdomains URLs.
*/
$urls = apply_filters( 'rocket_i18n_subdomains', $urls );
if ( ! is_array( $urls ) ) {
$urls = $default;
}
}
return $urls;
}
/**
* Get home URL of a specific lang.
*
* @since 2.2
*
* @param string $lang The language code. Default is an empty string.
* @return string $url
*/
function get_rocket_i18n_home_url( $lang = '' ) { // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals
$i18n_plugin = rocket_has_i18n();
$home_url = home_url();
$default = $home_url;
if ( ! $i18n_plugin ) {
return $home_url;
}
switch ( $i18n_plugin ) {
// WPML.
case 'wpml':
$home_url = $GLOBALS['sitepress']->language_url( $lang );
break;
// qTranslate.
case 'qtranslate':
$home_url = qtrans_convertURL( home_url(), $lang, true );
break;
// qTranslate-x.
case 'qtranslate-x':
$home_url = qtranxf_convertURL( home_url(), $lang, true );
break;
// Polylang, Polylang Pro.
case 'polylang':
$pll = function_exists( 'PLL' ) ? PLL() : $GLOBALS['polylang'];
if ( ! empty( $pll->options['force_lang'] ) && isset( $pll->links ) ) {
$home_url = pll_home_url( $lang );
}
break;
default:
/**
* Filters the home URL value for a specific language
*
* @param string $home_url Home URL.
* @param string $lang The language code.
*/
$home_url = apply_filters( 'rocket_i18n_home_url', $home_url, $lang );
if ( ! is_string( $home_url ) ) {
$home_url = $default;
}
}
return $home_url;
}
/**
* Get all translated path of a specific post with ID.
*
* @since 2.4
*
* @param int $post_id Post ID.
* @param string $post_type Post Type.
* @param string $regex Regex to include at the end.
* @return array
*/
function get_rocket_i18n_translated_post_urls( $post_id, $post_type = 'page', $regex = '' ) { // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals
$url = get_permalink( $post_id );
$path = wp_parse_url( $url, PHP_URL_PATH );
if ( empty( $path ) ) {
return [];
}
$i18n_plugin = rocket_has_i18n();
$urls = [];
$default = $urls;
switch ( $i18n_plugin ) {
// WPML.
case 'wpml':
$langs = get_rocket_i18n_code();
if ( $langs ) {
foreach ( $langs as $lang ) {
$urls[] = wp_parse_url( get_permalink( icl_object_id( $post_id, $post_type, true, $lang ) ), PHP_URL_PATH ) . $regex;
}
}
break;
// qTranslate & qTranslate-x.
case 'qtranslate':
case 'qtranslate-x':
$langs = $GLOBALS['q_config']['enabled_languages'];
$langs = array_diff( $langs, [ $GLOBALS['q_config']['default_language'] ] );
$urls[] = wp_parse_url( $url, PHP_URL_PATH ) . $regex;
if ( $langs ) {
foreach ( $langs as $lang ) {
if ( 'qtranslate' === $i18n_plugin ) {
$urls[] = wp_parse_url( qtrans_convertURL( $url, $lang, true ), PHP_URL_PATH ) . $regex;
} elseif ( 'qtranslate-x' === $i18n_plugin ) {
$urls[] = wp_parse_url( qtranxf_convertURL( $url, $lang, true ), PHP_URL_PATH ) . $regex;
}
}
}
break;
// Polylang.
case 'polylang':
if ( function_exists( 'PLL' ) && is_object( PLL()->model ) ) {
$translations = pll_get_post_translations( $post_id );
} elseif ( ! empty( $GLOBALS['polylang']->model ) && is_object( $GLOBALS['polylang']->model ) ) {
$translations = $GLOBALS['polylang']->model->get_translations( 'page', $post_id );
}
if ( ! empty( $translations ) ) {
foreach ( $translations as $translation_post_id ) {
$urls[] = wp_parse_url( get_permalink( $translation_post_id ), PHP_URL_PATH ) . $regex;
}
}
break;
default:
/**
* Filters the list of translated URLs for a post ID
*
* @param array $urls Array of translated URLs.
* @param string $url URL to use.
* @param string $post_type Post type.
* @param string $regex Pattern to include at the end.
*/
$urls = apply_filters( 'rocket_i18n_translated_post_urls', $urls, $url, $post_type, $regex );
if ( ! is_array( $urls ) ) {
$urls = $default;
}
}
if ( trim( $path, '/' ) !== '' ) {
$urls[] = $path . $regex;
}
return array_unique( $urls );
}
/**
* Returns the home URL, without WPML filters if the plugin is active
*
* @since 3.2.4
*
* @param string $path Path to add to the home URL.
* @return string
*/
function rocket_get_home_url( $path = '' ) {
global $wpml_url_filters;
static $home_url = [];
static $has_wpml;
if ( isset( $home_url[ $path ] ) ) {
return $home_url[ $path ];
}
if ( ! isset( $has_wpml ) ) {
$has_wpml = $wpml_url_filters && is_object( $wpml_url_filters ) && method_exists( $wpml_url_filters, 'home_url_filter' );
}
if ( $has_wpml ) {
remove_filter( 'home_url', [ $wpml_url_filters, 'home_url_filter' ], -10 );
}
$home_url[ $path ] = home_url( $path );
if ( $has_wpml ) {
add_filter( 'home_url', [ $wpml_url_filters, 'home_url_filter' ], -10, 4 );
}
return $home_url[ $path ];
}
/**
* Gets the current language
*
* @since 3.3.3
*
* @return string
*/
function rocket_get_current_language() {
$i18n_plugin = rocket_has_i18n();
if ( ! $i18n_plugin ) {
return '';
}
$current_language = '';
$default = $current_language;
if ( 'polylang' === $i18n_plugin && function_exists( 'pll_current_language' ) ) {
return pll_current_language();
} elseif ( 'wpml' === $i18n_plugin ) {
return apply_filters( 'wpml_current_language', null ); // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals
}
/**
* Filters the current language value
*
* @param string $current_language Current language.
*/
$current_language = apply_filters( 'rocket_i18n_current_language', $current_language );
if ( ! is_string( $current_language ) ) {
$current_language = $default;
}
return $current_language;
}
