WordPress 4.0

[autoinstalls/wordpress.git] / wp-includes / l10n.php

diff --git a/wp-includes/l10n.php b/wp-includes/l10n.php
index 541cb15f99086deb94967813ba3216cf8f5793c3..23174552448bdb2f83c3329d96361fdf07a30c19 100644 (file)
--- a/wp-includes/l10n.php
+++ b/wp-includes/l10n.php
@@ -24,9 +24,9 @@
  * @return string The locale of the blog or from the 'locale' hook.
  */
 function get_locale() {
-       global $locale;
+       global $locale, $wp_local_package;
 
-       if ( isset( $locale ) )
+       if ( isset( $locale ) ) {
                /**
                 * Filter WordPress install's locale ID.
                 *
@@ -35,23 +35,37 @@ function get_locale() {
                 * @param string $locale The locale ID.
                 */
                return apply_filters( 'locale', $locale );
+       }
+
+       if ( isset( $wp_local_package ) ) {
+               $locale = $wp_local_package;
+       }
 
-       // WPLANG is defined in wp-config.
-       if ( defined( 'WPLANG' ) )
+       // WPLANG was defined in wp-config.
+       if ( defined( 'WPLANG' ) ) {
                $locale = WPLANG;
+       }
 
        // If multisite, check options.
        if ( is_multisite() ) {
                // Don't check blog option when installing.
-               if ( defined( 'WP_INSTALLING' ) || ( false === $ms_locale = get_option( 'WPLANG' ) ) )
-                       $ms_locale = get_site_option('WPLANG');
+               if ( defined( 'WP_INSTALLING' ) || ( false === $ms_locale = get_option( 'WPLANG' ) ) ) {
+                       $ms_locale = get_site_option( 'WPLANG' );
+               }
 
-               if ( $ms_locale !== false )
+               if ( $ms_locale !== false ) {
                        $locale = $ms_locale;
+               }
+       } else {
+               $db_locale = get_option( 'WPLANG' );
+               if ( $db_locale !== false ) {
+                       $locale = $db_locale;
+               }
        }
 
-       if ( empty( $locale ) )
+       if ( empty( $locale ) ) {
                $locale = 'en_US';
+       }
 
        /** This filter is documented in wp-includes/l10n.php */
        return apply_filters( 'locale', $locale );
@@ -517,23 +531,32 @@ function unload_textdomain( $domain ) {
  * @see load_textdomain()
  *
  * @since 1.5.0
+ *
+ * @param string $locale Optional. Locale to load. Defaults to get_locale().
  */
-function load_default_textdomain() {
-       $locale = get_locale();
+function load_default_textdomain( $locale = null ) {
+       if ( null === $locale ) {
+               $locale = get_locale();
+       }
 
-       load_textdomain( 'default', WP_LANG_DIR . "/$locale.mo" );
+       // Unload previously loaded strings so we can switch translations.
+       unload_textdomain( 'default' );
+
+       $return = load_textdomain( 'default', WP_LANG_DIR . "/$locale.mo" );
 
        if ( ( is_multisite() || ( defined( 'WP_INSTALLING_NETWORK' ) && WP_INSTALLING_NETWORK ) ) && ! file_exists(  WP_LANG_DIR . "/admin-$locale.mo" ) ) {
                load_textdomain( 'default', WP_LANG_DIR . "/ms-$locale.mo" );
-               return;
+               return $return;
        }
 
-       if ( is_admin() || ( defined( 'WP_REPAIRING' ) && WP_REPAIRING ) )
+       if ( is_admin() || defined( 'WP_INSTALLING' ) || ( defined( 'WP_REPAIRING' ) && WP_REPAIRING ) ) {
                load_textdomain( 'default', WP_LANG_DIR . "/admin-$locale.mo" );
+       }
 
        if ( is_network_admin() || ( defined( 'WP_INSTALLING_NETWORK' ) && WP_INSTALLING_NETWORK ) )
                load_textdomain( 'default', WP_LANG_DIR . "/admin-network-$locale.mo" );
 
+       return $return;
 }
 
 /**
@@ -548,6 +571,8 @@ function load_default_textdomain() {
  * @param string $domain          Unique identifier for retrieving translated strings
  * @param string $deprecated      Use the $plugin_rel_path parameter instead.
  * @param string $plugin_rel_path Optional. Relative path to WP_PLUGIN_DIR where the .mo file resides.
+ *                                Default false.
+ * @return bool True when textdomain is successfully loaded, false otherwise.
  */
 function load_plugin_textdomain( $domain, $deprecated = false, $plugin_rel_path = false ) {
        $locale = get_locale();
@@ -656,6 +681,8 @@ function load_theme_textdomain( $domain, $path = false ) {
  * @since 2.9.0
  *
  * @param string $domain Text domain. Unique identifier for retrieving translated strings.
+ * @param string $path   Optional. Path to the directory containing the .mo file.
+ *                       Default false.
  * @return bool True when the theme textdomain is successfully loaded, false otherwise.
  */
 function load_child_theme_textdomain( $domain, $path = false ) {
@@ -669,6 +696,8 @@ function load_child_theme_textdomain( $domain, $path = false ) {
  *
  * If there isn't one, returns empty Translations instance.
  *
+ * @since 2.8.0
+ *
  * @param string $domain Text domain. Unique identifier for retrieving translated strings.
  * @return Translations A Translations instance.
  */
@@ -684,6 +713,7 @@ function get_translations_for_domain( $domain ) {
  * Whether there are translations for the text domain.
  *
  * @since 3.0.0
+ *
  * @param string $domain Text domain. Unique identifier for retrieving translated strings.
  * @return bool Whether there are translations.
  */
@@ -803,3 +833,69 @@ function wp_get_pomo_file_data( $po_file ) {
        }
        return $headers;
 }
+
+/**
+ * Language selector.
+ *
+ * @since 4.0.0
+ *
+ * @see get_available_languages()
+ * @see wp_get_available_translations()
+ *
+ * @param array $args Optional arguments. Default empty array.
+ */
+function wp_dropdown_languages( $args = array() ) {
+       require_once( ABSPATH . 'wp-admin/includes/translation-install.php' );
+
+       $args = wp_parse_args( $args, array(
+               'id'        => '',
+               'name'      => '',
+               'languages' => array(),
+               'selected'  => ''
+       ) );
+
+       if ( empty( $args['languages'] ) ) {
+               return false;
+       }
+
+       $translations = wp_get_available_translations();
+
+       /*
+        * $args['languages'] should only contain the locales. Find the locale in
+        * $translations to get the native name. Fall back to locale.
+        */
+       $languages = array();
+       foreach ( $args['languages'] as $locale ) {
+               if ( isset( $translations[ $locale ] ) ) {
+                       $translation = $translations[ $locale ];
+                       $languages[] = array(
+                               'language'    => $translation['language'],
+                               'native_name' => $translation['native_name'],
+                               'lang'        => $translation['iso'][1],
+                       );
+               } else {
+                       $languages[] = array(
+                               'language'    => $locale,
+                               'native_name' => $locale,
+                               'lang'        => '',
+                       );
+               }
+       }
+
+       printf( '<select name="%s" id="%s">', esc_attr( $args['name'] ), esc_attr( $args['id'] ) );
+
+       // List installed languages.
+       echo '<option value="" lang="en">English (United States)</option>';
+       foreach ( $languages as $language ) {
+               $selected = selected( $language['language'], $args['selected'], false );
+               printf(
+                       '<option value="%s" lang="%s"%s>%s</option>',
+                       esc_attr( $language['language'] ),
+                       esc_attr( $language['lang'] ),
+                       $selected,
+                       esc_html( $language['native_name'] )
+               );
+       }
+
+       echo '</select>';
+}