Index: src/wp-includes/class-wp-locale-switcher.php IDEA additional info: Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP <+>UTF-8 =================================================================== --- src/wp-includes/class-wp-locale-switcher.php (revision ) +++ src/wp-includes/class-wp-locale-switcher.php (revision ) @@ -0,0 +1,212 @@ +original_locale = $original_locale ? (string) $original_locale : get_locale(); + } + + /** + * Switches the translations according to the given locale. + * + * @since 4.7.0 + * + * @param string $locale The locale. + */ + public function switch_to_locale( $locale ) { + + $this->locales[] = $locale; + + $current_locale = get_locale(); + if ( $current_locale === $locale ) { + return; + } + + /** + * @global MO[] $l10n + */ + global $l10n; + + $textdomains = array_keys( $l10n ); + + if ( ! $this->has_translations_for_locale( $current_locale ) ) { + foreach ( $textdomains as $textdomain ) { + $this->translations[ $current_locale ][ $textdomain ] = get_translations_for_domain( $textdomain ); + } + } + + $this->remove_filters(); + + $this->add_filter_for_locale( $locale ); + + if ( $this->has_translations_for_locale( $locale ) ) { + foreach ( $textdomains as $textdomain ) { + if ( isset( $this->translations[ $locale ][ $textdomain ] ) ) { + $l10n[ $textdomain ] = $this->translations[ $locale ][ $textdomain ]; + } + } + } else { + foreach ( $l10n as $textdomain => $mo ) { + if ( 'default' === $textdomain ) { + load_default_textdomain(); + + continue; + } + + unload_textdomain( $textdomain ); + + if ( $mofile = $mo->get_filename() ) { + load_textdomain( $textdomain, $mofile ); + } + + $this->translations[ $locale ][ $textdomain ] = get_translations_for_domain( $textdomain ); + } + } + + /** + * @global WP_Locale $wp_locale + */ + $GLOBALS['wp_locale'] = new WP_Locale(); + } + + /** + * Restores the translations according to the previous locale. + * + * @since 4.7.0 + * + * @return string|false Locale on success, false on error. + */ + public function restore_locale() { + + if ( ! array_pop( $this->locales ) ) { + // The stack is empty, bail. + return false; + } + + $this->remove_filters(); + + if ( $locale = end( $this->locales ) ) { + if ( isset( $filters[ $locale ] ) ) { + add_filter( 'locale', $filters[ $locale ] ); + } + } else { + // There's nothing left in the stack: go back to the original locale. + $locale = $this->original_locale; + } + + /** + * @global MO[] $l10n + */ + global $l10n; + + foreach ( array_keys( $l10n ) as $textdomain ) { + if ( isset( $this->translations[ $locale ][ $textdomain ] ) ) { + $l10n[ $textdomain ] = $this->translations[ $locale ][ $textdomain ]; + } + } + + /** + * @global WP_Locale $wp_locale + */ + $GLOBALS['wp_locale'] = new WP_Locale(); + + return $locale; + } + + /** + * Checks if there are cached translations for the given locale. + * + * @since 4.7.0 + * + * @param string $locale The locale. + * + * @return bool True if there are cached translations for the given locale, false otherwise. + */ + private function has_translations_for_locale( $locale ) { + + return ! empty( $this->translations[ $locale ] ); + } + + /** + * Removes all filter callbacks added before. + * + * @since 4.7.0 + */ + private function remove_filters() { + + foreach ( $this->filters as $filter ) { + remove_filter( 'locale', $filter ); + } + } + + /** + * Adds a filter callback returning the given locale. + * + * @since 4.7.0 + * + * @param string $locale The locale. + */ + private function add_filter_for_locale( $locale ) { + + if ( ! isset( $this->filters[ $locale ] ) ) { + require_once ABSPATH . WPINC . '/class-wp-locale-storage.php'; + + // This SHOULD be a closure. + $this->filters[ $locale ] = array( new WP_Locale_Storage( $locale ), 'get_locale' ); + } + + add_filter( 'locale', $this->filters[ $locale ] ); + } +} Index: src/wp-includes/locale.php IDEA additional info: Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP <+>UTF-8 =================================================================== --- src/wp-includes/locale.php (date 1471458587000) +++ src/wp-includes/locale.php (revision ) @@ -10,6 +10,9 @@ /** WP_Locale class */ require_once ABSPATH . WPINC . '/class-wp-locale.php'; +/** WP_Locale_Switcher class */ +require_once ABSPATH . WPINC . '/class-wp-locale-switcher.php'; + /** * Checks if current locale is RTL. * @@ -22,4 +25,38 @@ function is_rtl() { global $wp_locale; return $wp_locale->is_rtl(); +} + +/** + * Switches the translations according to the given locale. + * + * @since 4.7.0 + * + * @param string $locale The locale. + */ +function switch_to_locale( $locale ) { + + /** + * @global WP_Locale_Switcher $wp_locale_switcher + */ + global $wp_locale_switcher; + + $wp_locale_switcher->switch_to_locale( $locale ); +} + +/** + * Restores the translations according to the previous locale. + * + * @since 4.7.0 + * + * @return string|false Locale on success, false on error. + */ +function restore_locale() { + + /** + * @global WP_Locale_Switcher $wp_locale_switcher + */ + global $wp_locale_switcher; + + return $wp_locale_switcher->restore_locale(); } Index: src/wp-includes/pomo/mo.php IDEA additional info: Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP <+>UTF-8 =================================================================== --- src/wp-includes/pomo/mo.php (date 1471458587000) +++ src/wp-includes/pomo/mo.php (revision ) @@ -16,6 +16,26 @@ var $_nplurals = 2; /** + * Loaded MO file. + * + * @since 4.7.0 + * @var string + */ + private $filename = ''; + + /** + * Returns the loaded MO file. + * + * @since 4.7.0 + * + * @return string The loaded MO file. + */ + public function get_filename() { + + return $this->filename; + } + + /** * Fills up with the entries from MO file $filename * * @param string $filename MO file to load @@ -24,6 +44,9 @@ $reader = new POMO_FileReader($filename); if (!$reader->is_resource()) return false; + + $this->filename = (string) $filename; + return $this->import_from_reader($reader); } \ No newline at end of file Index: src/wp-settings.php IDEA additional info: Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP <+>UTF-8 =================================================================== --- src/wp-settings.php (date 1471458587000) +++ src/wp-settings.php (revision ) @@ -379,6 +379,13 @@ */ $GLOBALS['wp_locale'] = new WP_Locale(); +/** + * WordPress Locale Switcher object for switching locales. + * @global WP_Locale_Switcher $wp_locale_switcher + * @since 4.7.0 + */ +$GLOBALS['wp_locale_switcher'] = new WP_Locale_Switcher( $locale ); + // Load the functions for the active theme, for both parent and child theme if applicable. if ( ! wp_installing() || 'wp-activate.php' === $pagenow ) { if ( TEMPLATEPATH !== STYLESHEETPATH && file_exists( STYLESHEETPATH . '/functions.php' ) ) Index: src/wp-includes/class-wp-locale-storage.php IDEA additional info: Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP <+>UTF-8 =================================================================== --- src/wp-includes/class-wp-locale-storage.php (revision ) +++ src/wp-includes/class-wp-locale-storage.php (revision ) @@ -0,0 +1,48 @@ +locale = (string) $locale; + } + + /** + * Returns the stored locale. + * + * @since 4.7.0 + * + * @return string The stored locale. + */ + public function get_locale() { + + return $this->locale; + } +}