+/**
+ * Loads the child themes translated strings.
+ *
+ * If the current locale exists as a .mo file in the child themes root directory, it
+ * will be included in the translated strings by the $domain.
+ *
+ * The .mo files must be named based on the locale exactly.
+ *
+ * @since 2.9.0
+ *
+ * @param string $domain Unique identifier for retrieving translated strings
+ */
+function load_child_theme_textdomain( $domain, $path = false ) {
+ $locale = apply_filters( 'theme_locale', get_locale(), $domain );
+
+ $path = ( empty( $path ) ) ? get_stylesheet_directory() : $path;
+
+ $mofile = "$path/$locale.mo";
+ return load_textdomain($domain, $mofile);
+}
+
+/**
+ * Returns the Translations instance for a domain. If there isn't one,
+ * returns empty Translations instance.
+ *
+ * @param string $domain
+ * @return object A Translation instance
+ */
+function &get_translations_for_domain( $domain ) {
+ global $l10n;
+ if ( !isset( $l10n[$domain] ) ) {
+ $l10n[$domain] = &new NOOP_Translations;
+ }
+ return $l10n[$domain];
+}
+
+/**
+ * Whether there are translations for the domain
+ *
+ * @since 3.0.0
+ * @param string $domain
+ * @return bool Whether there are translations
+ */
+function is_textdomain_loaded( $domain ) {
+ global $l10n;
+ return isset( $l10n[$domain] );
+}
+
+/**
+ * Translates role name. Since the role names are in the database and
+ * not in the source there are dummy gettext calls to get them into the POT
+ * file and this function properly translates them back.
+ *
+ * The before_last_bar() call is needed, because older installs keep the roles
+ * using the old context format: 'Role name|User role' and just skipping the
+ * content after the last bar is easier than fixing them in the DB. New installs
+ * won't suffer from that problem.
+ */
+function translate_user_role( $name ) {
+ return translate_with_gettext_context( before_last_bar($name), 'User role' );
+}
+
+/**
+ * Get all available languages based on the presence of *.mo files in a given directory. The default directory is WP_LANG_DIR.
+ *
+ * @since 3.0.0
+ *
+ * @param string $dir A directory in which to search for language files. The default directory is WP_LANG_DIR.
+ * @return array Array of language codes or an empty array if no languages are present. Language codes are formed by stripping the .mo extension from the language file names.
+ */
+function get_available_languages( $dir = null ) {
+ $languages = array();
+
+ foreach( (array)glob( ( is_null( $dir) ? WP_LANG_DIR : $dir ) . '/*.mo' ) as $lang_file ) {
+ $lang_file = basename($lang_file, '.mo');
+ if ( 0 !== strpos( $lang_file, 'continents-cities' ) && 0 !== strpos( $lang_file, 'ms-' ) )
+ $languages[] = $lang_file;
+ }
+
+ return $languages;
+}
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