Note: Don't use translate() directly, use __() or related functions. * * @since 2.2.0 * * @param string $text Text to translate. * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. * @return string Translated text */ function translate( $text, $domain = 'default' ) { $translations = get_translations_for_domain( $domain ); $translations = $translations->translate( $text ); /** * Filter text with its translation. * * @since 2.0.11 * * @param string $translations Translated text. * @param string $text Text to translate. * @param string $domain Text domain. Unique identifier for retrieving translated strings. */ return apply_filters( 'gettext', $translations, $text, $domain ); } /** * Remove last item on a pipe-delimited string. * * Meant for removing the last item in a string, such as 'Role name|User role'. The original * string will be returned if no pipe '|' characters are found in the string. * * @since 2.8.0 * * @param string $string A pipe-delimited string. * @return string Either $string or everything before the last pipe. */ function before_last_bar( $string ) { $last_bar = strrpos( $string, '|' ); if ( false == $last_bar ) return $string; else return substr( $string, 0, $last_bar ); } /** * Retrieve the translation of $text in the context defined in $context. * * If there is no translation, or the text domain isn't loaded the original * text is returned. * * @since 2.8.0 * * @param string $text Text to translate. * @param string $context Context information for the translators. * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. * @return string Translated text on success, original text on failure. */ function translate_with_gettext_context( $text, $context, $domain = 'default' ) { $translations = get_translations_for_domain( $domain ); $translations = $translations->translate( $text, $context ); /** * Filter text with its translation based on context information. * * @since 2.8.0 * * @param string $translations Translated text. * @param string $text Text to translate. * @param string $context Context information for the translators. * @param string $domain Text domain. Unique identifier for retrieving translated strings. */ return apply_filters( 'gettext_with_context', $translations, $text, $context, $domain ); } /** * Retrieve the translation of $text. If there is no translation, * or the text domain isn't loaded, the original text is returned. * * @since 2.1.0 * * @param string $text Text to translate. * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. * @return string Translated text. */ function __( $text, $domain = 'default' ) { return translate( $text, $domain ); } /** * Retrieve the translation of $text and escapes it for safe use in an attribute. * * If there is no translation, or the text domain isn't loaded, the original text is returned. * * @since 2.8.0 * * @param string $text Text to translate. * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. * @return string Translated text on success, original text on failure. */ function esc_attr__( $text, $domain = 'default' ) { return esc_attr( translate( $text, $domain ) ); } /** * Retrieve the translation of $text and escapes it for safe use in HTML output. * * If there is no translation, or the text domain isn't loaded, the original text is returned. * * @since 2.8.0 * * @param string $text Text to translate. * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. * @return string Translated text */ function esc_html__( $text, $domain = 'default' ) { return esc_html( translate( $text, $domain ) ); } /** * Display translated text. * * @since 1.2.0 * * @param string $text Text to translate. * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. */ function _e( $text, $domain = 'default' ) { echo translate( $text, $domain ); } /** * Display translated text that has been escaped for safe use in an attribute. * * @since 2.8.0 * * @param string $text Text to translate. * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. */ function esc_attr_e( $text, $domain = 'default' ) { echo esc_attr( translate( $text, $domain ) ); } /** * Display translated text that has been escaped for safe use in HTML output. * * @since 2.8.0 * * @param string $text Text to translate. * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. */ function esc_html_e( $text, $domain = 'default' ) { echo esc_html( translate( $text, $domain ) ); } /** * Retrieve translated string with gettext context. * * Quite a few times, there will be collisions with similar translatable text * found in more than two places, but with different translated context. * * By including the context in the pot file, translators can translate the two * strings differently. * * @since 2.8.0 * * @param string $text Text to translate. * @param string $context Context information for the translators. * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. * @return string Translated context string without pipe. */ function _x( $text, $context, $domain = 'default' ) { return translate_with_gettext_context( $text, $context, $domain ); } /** * Display translated string with gettext context. * * @since 3.0.0 * * @param string $text Text to translate. * @param string $context Context information for the translators. * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. * @return string Translated context string without pipe. */ function _ex( $text, $context, $domain = 'default' ) { echo _x( $text, $context, $domain ); } /** * Translate string with gettext context, and escapes it for safe use in an attribute. * * @since 2.8.0 * * @param string $text Text to translate. * @param string $context Context information for the translators. * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. * @return string Translated text */ function esc_attr_x( $text, $context, $domain = 'default' ) { return esc_attr( translate_with_gettext_context( $text, $context, $domain ) ); } /** * Translate string with gettext context, and escapes it for safe use in HTML output. * * @since 2.9.0 * * @param string $text Text to translate. * @param string $context Context information for the translators. * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. * @return string Translated text. */ function esc_html_x( $text, $context, $domain = 'default' ) { return esc_html( translate_with_gettext_context( $text, $context, $domain ) ); } /** * Retrieve the plural or single form based on the supplied amount. * * If the text domain is not set in the $l10n list, then a comparison will be made * and either $plural or $single parameters returned. * * If the text domain does exist, then the parameters $single, $plural, and $number * will first be passed to the text domain's ngettext method. Then it will be passed * to the 'ngettext' filter hook along with the same parameters. The expected * type will be a string. * * @since 2.8.0 * * @param string $single The text that will be used if $number is 1. * @param string $plural The text that will be used if $number is not 1. * @param int $number The number to compare against to use either $single or $plural. * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. * @return string Either $single or $plural translated text. */ function _n( $single, $plural, $number, $domain = 'default' ) { $translations = get_translations_for_domain( $domain ); $translation = $translations->translate_plural( $single, $plural, $number ); /** * Filter text with its translation when plural option is available. * * @since 2.2.0 * * @param string $translation Translated text. * @param string $single The text that will be used if $number is 1. * @param string $plural The text that will be used if $number is not 1. * @param string $number The number to compare against to use either $single or $plural. * @param string $domain Text domain. Unique identifier for retrieving translated strings. */ return apply_filters( 'ngettext', $translation, $single, $plural, $number, $domain ); } /** * Retrieve the plural or single form based on the supplied amount with gettext context. * * This is a hybrid of _n() and _x(). It supports contexts and plurals. * * @since 2.8.0 * * @param string $single The text that will be used if $number is 1. * @param string $plural The text that will be used if $number is not 1. * @param int $number The number to compare against to use either $single or $plural. * @param string $context Context information for the translators. * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. * @return string Either $single or $plural translated text with context. */ function _nx($single, $plural, $number, $context, $domain = 'default') { $translations = get_translations_for_domain( $domain ); $translation = $translations->translate_plural( $single, $plural, $number, $context ); /** * Filter text with its translation while plural option and context are available. * * @since 2.8.0 * * @param string $translation Translated text. * @param string $single The text that will be used if $number is 1. * @param string $plural The text that will be used if $number is not 1. * @param string $number The number to compare against to use either $single or $plural. * @param string $context Context information for the translators. * @param string $domain Text domain. Unique identifier for retrieving translated strings. */ return apply_filters( 'ngettext_with_context', $translation, $single, $plural, $number, $context, $domain ); } /** * Register plural strings in POT file, but don't translate them. * * Used when you want to keep structures with translatable plural * strings and use them later. * * Example: * * $messages = array( * 'post' => _n_noop('%s post', '%s posts'), * 'page' => _n_noop('%s pages', '%s pages') * ); * ... * $message = $messages[$type]; * $usable_text = sprintf( translate_nooped_plural( $message, $count ), $count ); * * * @since 2.5.0 * * @param string $singular Single form to be i18ned. * @param string $plural Plural form to be i18ned. * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. * @return array array($singular, $plural) */ function _n_noop( $singular, $plural, $domain = null ) { return array( 0 => $singular, 1 => $plural, 'singular' => $singular, 'plural' => $plural, 'context' => null, 'domain' => $domain ); } /** * Register plural strings with context in POT file, but don't translate them. * * @since 2.8.0 */ function _nx_noop( $singular, $plural, $context, $domain = null ) { return array( 0 => $singular, 1 => $plural, 2 => $context, 'singular' => $singular, 'plural' => $plural, 'context' => $context, 'domain' => $domain ); } /** * Translate the result of _n_noop() or _nx_noop(). * * @since 3.1.0 * * @param array $nooped_plural Array with singular, plural and context keys, usually the result of _n_noop() or _nx_noop() * @param int $count Number of objects * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. If $nooped_plural contains * a text domain passed to _n_noop() or _nx_noop(), it will override this value. * @return string Either $single or $plural translated text. */ function translate_nooped_plural( $nooped_plural, $count, $domain = 'default' ) { if ( $nooped_plural['domain'] ) $domain = $nooped_plural['domain']; if ( $nooped_plural['context'] ) return _nx( $nooped_plural['singular'], $nooped_plural['plural'], $count, $nooped_plural['context'], $domain ); else return _n( $nooped_plural['singular'], $nooped_plural['plural'], $count, $domain ); } /** * Load a .mo file into the text domain $domain. * * If the text domain already exists, the translations will be merged. If both * sets have the same string, the translation from the original value will be taken. * * On success, the .mo file will be placed in the $l10n global by $domain * and will be a MO object. * * @since 1.5.0 * * @param string $domain Text domain. Unique identifier for retrieving translated strings. * @param string $mofile Path to the .mo file. * @return bool True on success, false on failure. */ function load_textdomain( $domain, $mofile ) { global $l10n; /** * Filter text domain and/or MO file path for loading translations. * * @since 2.9.0 * * @param bool $override Whether to override the text domain. Default false. * @param string $domain Text domain. Unique identifier for retrieving translated strings. * @param string $mofile Path to the MO file. */ $plugin_override = apply_filters( 'override_load_textdomain', false, $domain, $mofile ); if ( true == $plugin_override ) { return true; } /** * Fires before the MO translation file is loaded. * * @since 2.9.0 * * @param string $domain Text domain. Unique identifier for retrieving translated strings. * @param string $mofile Path to the .mo file. */ do_action( 'load_textdomain', $domain, $mofile ); /** * Filter MO file path for loading translations for a specific text domain. * * @since 2.9.0 * * @param string $mofile Path to the MO file. * @param string $domain Text domain. Unique identifier for retrieving translated strings. */ $mofile = apply_filters( 'load_textdomain_mofile', $mofile, $domain ); if ( !is_readable( $mofile ) ) return false; $mo = new MO(); if ( !$mo->import_from_file( $mofile ) ) return false; if ( isset( $l10n[$domain] ) ) $mo->merge_with( $l10n[$domain] ); $l10n[$domain] = &$mo; return true; } /** * Unload translations for a text domain. * * @since 3.0.0 * * @param string $domain Text domain. Unique identifier for retrieving translated strings. * @return bool Whether textdomain was unloaded. */ function unload_textdomain( $domain ) { global $l10n; /** * Filter the text domain for loading translation. * * @since 3.0.0 * * @param bool $override Whether to override unloading the text domain. Default false. * @param string $domain Text domain. Unique identifier for retrieving translated strings. */ $plugin_override = apply_filters( 'override_unload_textdomain', false, $domain ); if ( $plugin_override ) return true; /** * Fires before the text domain is unloaded. * * @since 3.0.0 * * @param string $domain Text domain. Unique identifier for retrieving translated strings. */ do_action( 'unload_textdomain', $domain ); if ( isset( $l10n[$domain] ) ) { unset( $l10n[$domain] ); return true; } return false; } /** * Load default translated strings based on locale. * * Loads the .mo file in WP_LANG_DIR constant path from WordPress root. * The translated (.mo) file is named based on the locale. * * @see load_textdomain() * * @since 1.5.0 */ function load_default_textdomain() { $locale = get_locale(); load_textdomain( 'default', WP_LANG_DIR . "/$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; } if ( is_admin() || ( 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" ); } /** * Load a plugin's translated strings. * * If the path is not given then it will be the root of the plugin directory. * * The .mo file should be named based on the text domain with a dash, and then the locale exactly. * * @since 1.5.0 * * @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(); /** * Filter a plugin's locale. * * @since 3.0.0 * * @param string $locale The plugin's current locale. * @param string $domain Text domain. Unique identifier for retrieving translated strings. */ $locale = apply_filters( 'plugin_locale', $locale, $domain ); if ( false !== $plugin_rel_path ) { $path = WP_PLUGIN_DIR . '/' . trim( $plugin_rel_path, '/' ); } else if ( false !== $deprecated ) { _deprecated_argument( __FUNCTION__, '2.7' ); $path = ABSPATH . trim( $deprecated, '/' ); } else { $path = WP_PLUGIN_DIR; } // Load the textdomain according to the plugin first $mofile = $domain . '-' . $locale . '.mo'; if ( $loaded = load_textdomain( $domain, $path . '/'. $mofile ) ) return $loaded; // Otherwise, load from the languages directory $mofile = WP_LANG_DIR . '/plugins/' . $mofile; return load_textdomain( $domain, $mofile ); } /** * Load the translated strings for a plugin residing in the mu-plugins directory. * * @since 3.0.0 * * @param string $domain Text domain. Unique identifier for retrieving translated strings. * @param string $mu_plugin_rel_path Relative to WPMU_PLUGIN_DIR directory in which the .mo file resides. * Default empty string. * @return bool True when textdomain is successfully loaded, false otherwise. */ function load_muplugin_textdomain( $domain, $mu_plugin_rel_path = '' ) { /** This filter is documented in wp-includes/l10n.php */ $locale = apply_filters( 'plugin_locale', get_locale(), $domain ); $path = trailingslashit( WPMU_PLUGIN_DIR . '/' . ltrim( $mu_plugin_rel_path, '/' ) ); // Load the textdomain according to the plugin first $mofile = $domain . '-' . $locale . '.mo'; if ( $loaded = load_textdomain( $domain, $path . $mofile ) ) return $loaded; // Otherwise, load from the languages directory $mofile = WP_LANG_DIR . '/plugins/' . $mofile; return load_textdomain( $domain, $mofile ); } /** * Load the theme's translated strings. * * If the current locale exists as a .mo file in the theme's 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 1.5.0 * * @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 textdomain is successfully loaded, false otherwise. */ function load_theme_textdomain( $domain, $path = false ) { $locale = get_locale(); /** * Filter a theme's locale. * * @since 3.0.0 * * @param string $locale The theme's current locale. * @param string $domain Text domain. Unique identifier for retrieving translated strings. */ $locale = apply_filters( 'theme_locale', $locale, $domain ); if ( ! $path ) $path = get_template_directory(); // Load the textdomain according to the theme $mofile = "{$path}/{$locale}.mo"; if ( $loaded = load_textdomain( $domain, $mofile ) ) return $loaded; // Otherwise, load from the languages directory $mofile = WP_LANG_DIR . "/themes/{$domain}-{$locale}.mo"; return load_textdomain( $domain, $mofile ); } /** * Load 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 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 ) { if ( ! $path ) $path = get_stylesheet_directory(); return load_theme_textdomain( $domain, $path ); } /** * Return the Translations instance for a text domain. * * If there isn't one, returns empty Translations instance. * * @param string $domain Text domain. Unique identifier for retrieving translated strings. * @return Translations A Translations 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 text domain. * * @since 3.0.0 * @param string $domain Text domain. Unique identifier for retrieving translated strings. * @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. * * @since 2.8.0 * * @param string $name The role name. * @return string Translated role name on success, original name on failure. */ 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 to search for language files. * Default WP_LANG_DIR. * @return array An 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-' ) && 0 !== strpos( $lang_file, 'admin-' )) $languages[] = $lang_file; } return $languages; } /** * Get installed translations. * * Looks in the wp-content/languages directory for translations of * plugins or themes. * * @since 3.7.0 * * @param string $type What to search for. Accepts 'plugins', 'themes', 'core'. * @return array Array of language data. */ function wp_get_installed_translations( $type ) { if ( $type !== 'themes' && $type !== 'plugins' && $type !== 'core' ) return array(); $dir = 'core' === $type ? '' : "/$type"; if ( ! is_dir( WP_LANG_DIR ) ) return array(); if ( $dir && ! is_dir( WP_LANG_DIR . $dir ) ) return array(); $files = scandir( WP_LANG_DIR . $dir ); if ( ! $files ) return array(); $language_data = array(); foreach ( $files as $file ) { if ( '.' === $file[0] || is_dir( $file ) ) continue; if ( substr( $file, -3 ) !== '.po' ) continue; if ( ! preg_match( '/(?:(.+)-)?([A-Za-z_]{2,6}).po/', $file, $match ) ) continue; list( , $textdomain, $language ) = $match; if ( '' === $textdomain ) $textdomain = 'default'; $language_data[ $textdomain ][ $language ] = wp_get_pomo_file_data( WP_LANG_DIR . "$dir/$file" ); } return $language_data; } /** * Extract headers from a PO file. * * @since 3.7.0 * * @param string $po_file Path to PO file. * @return array PO file headers. */ function wp_get_pomo_file_data( $po_file ) { $headers = get_file_data( $po_file, array( 'POT-Creation-Date' => '"POT-Creation-Date', 'PO-Revision-Date' => '"PO-Revision-Date', 'Project-Id-Version' => '"Project-Id-Version', 'X-Generator' => '"X-Generator', ) ); foreach ( $headers as $header => $value ) { // Remove possible contextual '\n' and closing double quote. $headers[ $header ] = preg_replace( '~(\\\n)?"$~', '', $value ); } return $headers; }