3 * WordPress Translation Install Administration API
6 * @subpackage Administration
11 * Retrieve translations from WordPress Translation API.
15 * @param string $type Type of translations. Accepts 'plugins', 'themes', 'core'.
16 * @param array|object $args Translation API arguments. Optional.
17 * @return object|WP_Error On success an object of translations, WP_Error on failure.
19 function translations_api( $type, $args = null ) {
20 include( ABSPATH . WPINC . '/version.php' ); // include an unmodified $wp_version
22 if ( ! in_array( $type, array( 'plugins', 'themes', 'core' ) ) ) {
23 return new WP_Error( 'invalid_type', __( 'Invalid translation type.' ) );
27 * Allows a plugin to override the WordPress.org Translation Install API entirely.
31 * @param bool|array $result The result object. Default false.
32 * @param string $type The type of translations being requested.
33 * @param object $args Translation API arguments.
35 $res = apply_filters( 'translations_api', false, $type, $args );
37 if ( false === $res ) {
38 $url = $http_url = 'http://api.wordpress.org/translations/' . $type . '/1.0/';
39 if ( $ssl = wp_http_supports( array( 'ssl' ) ) ) {
40 $url = set_url_scheme( $url, 'https' );
46 'wp_version' => $wp_version,
47 'locale' => get_locale(),
48 'version' => $args['version'], // Version of plugin, theme or core
52 if ( 'core' !== $type ) {
53 $options['body']['slug'] = $args['slug']; // Plugin or theme slug
56 $request = wp_remote_post( $url, $options );
58 if ( $ssl && is_wp_error( $request ) ) {
59 trigger_error( __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>.' ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE );
61 $request = wp_remote_post( $http_url, $options );
64 if ( is_wp_error( $request ) ) {
65 $res = new WP_Error( 'translations_api_failed', __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>.' ), $request->get_error_message() );
67 $res = json_decode( wp_remote_retrieve_body( $request ), true );
68 if ( ! is_object( $res ) && ! is_array( $res ) ) {
69 $res = new WP_Error( 'translations_api_failed', __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>.' ), wp_remote_retrieve_body( $request ) );
75 * Filter the Translation Install API response results.
79 * @param object|WP_Error $res Response object or WP_Error.
80 * @param string $type The type of translations being requested.
81 * @param object $args Translation API arguments.
83 return apply_filters( 'translations_api_result', $res, $type, $args );
87 * Get available translations from the WordPress.org API.
91 * @see translations_api()
93 * @return array Array of translations, each an array of data. If the API response results
94 * in an error, an empty array will be returned.
96 function wp_get_available_translations() {
97 if ( ! defined( 'WP_INSTALLING' ) && false !== ( $translations = get_site_transient( 'available_translations' ) ) ) {
101 include( ABSPATH . WPINC . '/version.php' ); // include an unmodified $wp_version
103 $api = translations_api( 'core', array( 'version' => $wp_version ) );
105 if ( is_wp_error( $api ) || empty( $api['translations'] ) ) {
109 $translations = array();
110 // Key the array with the language code for now.
111 foreach ( $api['translations'] as $translation ) {
112 $translations[ $translation['language'] ] = $translation;
115 if ( ! defined( 'WP_INSTALLING' ) ) {
116 set_site_transient( 'available_translations', $translations, 3 * HOUR_IN_SECONDS );
119 return $translations;
123 * Output the select form for the language selection on the installation screen.
127 * @param array $languages Array of available languages (populated via the Translation API).
129 function wp_install_language_form( $languages ) {
130 global $wp_local_package;
132 $installed_languages = get_available_languages();
134 echo "<label class='screen-reader-text' for='language'>Select a default language</label>\n";
135 echo "<select size='14' name='language' id='language'>\n";
136 echo '<option value="" lang="en" selected="selected" data-continue="Continue" data-installed="1">English (United States)</option>';
139 if ( ! empty( $wp_local_package ) && isset( $languages[ $wp_local_package ] ) ) {
140 if ( isset( $languages[ $wp_local_package ] ) ) {
141 $language = $languages[ $wp_local_package ];
142 printf( '<option value="%s" lang="%s" data-continue="%s"%s>%s</option>' . "\n",
143 esc_attr( $language['language'] ),
144 esc_attr( $language['iso'][1] ),
145 esc_attr( $language['strings']['continue'] ),
146 in_array( $language['language'], $installed_languages ) ? ' data-installed="1"' : '',
147 esc_html( $language['native_name'] ) );
149 unset( $languages[ $wp_local_package ] );
153 foreach ( $languages as $language ) {
154 printf( '<option value="%s" lang="%s" data-continue="%s"%s>%s</option>' . "\n",
155 esc_attr( $language['language'] ),
156 esc_attr( $language['iso'][1] ),
157 esc_attr( $language['strings']['continue'] ),
158 in_array( $language['language'], $installed_languages ) ? ' data-installed="1"' : '',
159 esc_html( $language['native_name'] ) );
162 echo '<p class="step"><span class="spinner"></span><input id="language-continue" type="submit" class="button button-primary button-large" value="Continue" /></p>';
166 * Download a language pack.
170 * @see wp_get_available_translations()
172 * @param string $download Language code to download.
173 * @return string|bool Returns the language code if successfully downloaded
174 * (or already installed), or false on failure.
176 function wp_download_language_pack( $download ) {
177 // Check if the translation is already installed.
178 if ( in_array( $download, get_available_languages() ) ) {
182 if ( defined( 'DISALLOW_FILE_MODS' ) && DISALLOW_FILE_MODS ) {
186 // Confirm the translation is one we can download.
187 $translations = wp_get_available_translations();
188 if ( ! $translations ) {
191 foreach ( $translations as $translation ) {
192 if ( $translation['language'] === $download ) {
193 $translation_to_load = true;
198 if ( empty( $translation_to_load ) ) {
201 $translation = (object) $translation;
203 require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
204 $skin = new Automatic_Upgrader_Skin;
205 $upgrader = new Language_Pack_Upgrader( $skin );
206 $translation->type = 'core';
207 $result = $upgrader->upgrade( $translation, array( 'clear_update_cache' => false ) );
209 if ( ! $result || is_wp_error( $result ) ) {
213 return $translation->language;
217 * Check if WordPress has access to the filesystem without asking for
222 * @return bool Returns true on success, false on failure.
224 function wp_can_install_language_pack() {
225 if ( defined( 'DISALLOW_FILE_MODS' ) && DISALLOW_FILE_MODS ) {
229 require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
230 $skin = new Automatic_Upgrader_Skin;
231 $upgrader = new Language_Pack_Upgrader( $skin );
233 $check = $upgrader->fs_connect( array( WP_CONTENT_DIR, WP_LANG_DIR ) );
235 if ( ! $check || is_wp_error( $check ) ) {