Index: src/wp-includes/class-wp-locale.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- src/wp-includes/class-wp-locale.php	(revision )
+++ src/wp-includes/class-wp-locale.php	(revision )
@@ -0,0 +1,395 @@
+<?php
+/**
+ * Date and Time Locale object
+ *
+ * @package WordPress
+ * @subpackage i18n
+ */
+
+/**
+ * Class that loads the calendar locale.
+ *
+ * @since 2.1.0
+ */
+class WP_Locale {
+	/**
+	 * Stores the translated strings for the full weekday names.
+	 *
+	 * @since 2.1.0
+	 * @var array
+	 */
+	public $weekday;
+
+	/**
+	 * Stores the translated strings for the one character weekday names.
+	 *
+	 * There is a hack to make sure that Tuesday and Thursday, as well
+	 * as Sunday and Saturday, don't conflict. See init() method for more.
+	 *
+	 * @see WP_Locale::init() for how to handle the hack.
+	 *
+	 * @since 2.1.0
+	 * @var array
+	 */
+	public $weekday_initial;
+
+	/**
+	 * Stores the translated strings for the abbreviated weekday names.
+	 *
+	 * @since 2.1.0
+	 * @var array
+	 */
+	public $weekday_abbrev;
+
+	/**
+	 * Stores the default start of the week.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $start_of_week;
+
+	/**
+	 * Stores the translated strings for the full month names.
+	 *
+	 * @since 2.1.0
+	 * @var array
+	 */
+	public $month;
+
+	/**
+	 * Stores the translated strings for the abbreviated month names.
+	 *
+	 * @since 2.1.0
+	 * @var array
+	 */
+	public $month_abbrev;
+
+	/**
+	 * Stores the translated strings for 'am' and 'pm'.
+	 *
+	 * Also the capitalized versions.
+	 *
+	 * @since 2.1.0
+	 * @var array
+	 */
+	public $meridiem;
+
+	/**
+	 * The text direction of the locale language.
+	 *
+	 * Default is left to right 'ltr'.
+	 *
+	 * @since 2.1.0
+	 * @var string
+	 */
+	public $text_direction = 'ltr';
+
+	/**
+	 * The thousands separator and decimal point values used for localizing numbers.
+	 *
+	 * @since 2.3.0
+	 * @access public
+	 * @var array
+	 */
+	public $number_format;
+
+	/**
+	 * Sets up the translated strings and object properties.
+	 *
+	 * The method creates the translatable strings for various
+	 * calendar elements. Which allows for specifying locale
+	 * specific calendar names and text direction.
+	 *
+	 * @since 2.1.0
+	 * @access private
+	 *
+	 * @global string $text_direction
+	 * @global string $wp_version
+	 */
+	public function init() {
+		// The Weekdays
+		$this->weekday[0] = /* translators: weekday */ __('Sunday');
+		$this->weekday[1] = /* translators: weekday */ __('Monday');
+		$this->weekday[2] = /* translators: weekday */ __('Tuesday');
+		$this->weekday[3] = /* translators: weekday */ __('Wednesday');
+		$this->weekday[4] = /* translators: weekday */ __('Thursday');
+		$this->weekday[5] = /* translators: weekday */ __('Friday');
+		$this->weekday[6] = /* translators: weekday */ __('Saturday');
+
+		// The first letter of each day.
+		$this->weekday_initial[ __( 'Sunday' ) ]    = /* translators: one-letter abbreviation of the weekday */ _x( 'S', 'Sunday initial' );
+		$this->weekday_initial[ __( 'Monday' ) ]    = /* translators: one-letter abbreviation of the weekday */ _x( 'M', 'Monday initial' );
+		$this->weekday_initial[ __( 'Tuesday' ) ]   = /* translators: one-letter abbreviation of the weekday */ _x( 'T', 'Tuesday initial' );
+		$this->weekday_initial[ __( 'Wednesday' ) ] = /* translators: one-letter abbreviation of the weekday */ _x( 'W', 'Wednesday initial' );
+		$this->weekday_initial[ __( 'Thursday' ) ]  = /* translators: one-letter abbreviation of the weekday */ _x( 'T', 'Thursday initial' );
+		$this->weekday_initial[ __( 'Friday' ) ]    = /* translators: one-letter abbreviation of the weekday */ _x( 'F', 'Friday initial' );
+		$this->weekday_initial[ __( 'Saturday' ) ]  = /* translators: one-letter abbreviation of the weekday */ _x( 'S', 'Saturday initial' );
+
+		// Abbreviations for each day.
+		$this->weekday_abbrev[__('Sunday')]    = /* translators: three-letter abbreviation of the weekday */ __('Sun');
+		$this->weekday_abbrev[__('Monday')]    = /* translators: three-letter abbreviation of the weekday */ __('Mon');
+		$this->weekday_abbrev[__('Tuesday')]   = /* translators: three-letter abbreviation of the weekday */ __('Tue');
+		$this->weekday_abbrev[__('Wednesday')] = /* translators: three-letter abbreviation of the weekday */ __('Wed');
+		$this->weekday_abbrev[__('Thursday')]  = /* translators: three-letter abbreviation of the weekday */ __('Thu');
+		$this->weekday_abbrev[__('Friday')]    = /* translators: three-letter abbreviation of the weekday */ __('Fri');
+		$this->weekday_abbrev[__('Saturday')]  = /* translators: three-letter abbreviation of the weekday */ __('Sat');
+
+		// The Months
+		$this->month['01'] = /* translators: month name */ __( 'January' );
+		$this->month['02'] = /* translators: month name */ __( 'February' );
+		$this->month['03'] = /* translators: month name */ __( 'March' );
+		$this->month['04'] = /* translators: month name */ __( 'April' );
+		$this->month['05'] = /* translators: month name */ __( 'May' );
+		$this->month['06'] = /* translators: month name */ __( 'June' );
+		$this->month['07'] = /* translators: month name */ __( 'July' );
+		$this->month['08'] = /* translators: month name */ __( 'August' );
+		$this->month['09'] = /* translators: month name */ __( 'September' );
+		$this->month['10'] = /* translators: month name */ __( 'October' );
+		$this->month['11'] = /* translators: month name */ __( 'November' );
+		$this->month['12'] = /* translators: month name */ __( 'December' );
+
+		// The Months, genitive
+		$this->month_genitive['01'] = /* translators: month name, genitive */ _x( 'January', 'genitive' );
+		$this->month_genitive['02'] = /* translators: month name, genitive */ _x( 'February', 'genitive' );
+		$this->month_genitive['03'] = /* translators: month name, genitive */ _x( 'March', 'genitive' );
+		$this->month_genitive['04'] = /* translators: month name, genitive */ _x( 'April', 'genitive' );
+		$this->month_genitive['05'] = /* translators: month name, genitive */ _x( 'May', 'genitive' );
+		$this->month_genitive['06'] = /* translators: month name, genitive */ _x( 'June', 'genitive' );
+		$this->month_genitive['07'] = /* translators: month name, genitive */ _x( 'July', 'genitive' );
+		$this->month_genitive['08'] = /* translators: month name, genitive */ _x( 'August', 'genitive' );
+		$this->month_genitive['09'] = /* translators: month name, genitive */ _x( 'September', 'genitive' );
+		$this->month_genitive['10'] = /* translators: month name, genitive */ _x( 'October', 'genitive' );
+		$this->month_genitive['11'] = /* translators: month name, genitive */ _x( 'November', 'genitive' );
+		$this->month_genitive['12'] = /* translators: month name, genitive */ _x( 'December', 'genitive' );
+
+		// Abbreviations for each month.
+		$this->month_abbrev[ __( 'January' ) ]   = /* translators: three-letter abbreviation of the month */ _x( 'Jan', 'January abbreviation' );
+		$this->month_abbrev[ __( 'February' ) ]  = /* translators: three-letter abbreviation of the month */ _x( 'Feb', 'February abbreviation' );
+		$this->month_abbrev[ __( 'March' ) ]     = /* translators: three-letter abbreviation of the month */ _x( 'Mar', 'March abbreviation' );
+		$this->month_abbrev[ __( 'April' ) ]     = /* translators: three-letter abbreviation of the month */ _x( 'Apr', 'April abbreviation' );
+		$this->month_abbrev[ __( 'May' ) ]       = /* translators: three-letter abbreviation of the month */ _x( 'May', 'May abbreviation' );
+		$this->month_abbrev[ __( 'June' ) ]      = /* translators: three-letter abbreviation of the month */ _x( 'Jun', 'June abbreviation' );
+		$this->month_abbrev[ __( 'July' ) ]      = /* translators: three-letter abbreviation of the month */ _x( 'Jul', 'July abbreviation' );
+		$this->month_abbrev[ __( 'August' ) ]    = /* translators: three-letter abbreviation of the month */ _x( 'Aug', 'August abbreviation' );
+		$this->month_abbrev[ __( 'September' ) ] = /* translators: three-letter abbreviation of the month */ _x( 'Sep', 'September abbreviation' );
+		$this->month_abbrev[ __( 'October' ) ]   = /* translators: three-letter abbreviation of the month */ _x( 'Oct', 'October abbreviation' );
+		$this->month_abbrev[ __( 'November' ) ]  = /* translators: three-letter abbreviation of the month */ _x( 'Nov', 'November abbreviation' );
+		$this->month_abbrev[ __( 'December' ) ]  = /* translators: three-letter abbreviation of the month */ _x( 'Dec', 'December abbreviation' );
+
+		// The Meridiems
+		$this->meridiem['am'] = __('am');
+		$this->meridiem['pm'] = __('pm');
+		$this->meridiem['AM'] = __('AM');
+		$this->meridiem['PM'] = __('PM');
+
+		// Numbers formatting
+		// See http://php.net/number_format
+
+		/* translators: $thousands_sep argument for http://php.net/number_format, default is , */
+		$thousands_sep = __( 'number_format_thousands_sep' );
+
+		if ( version_compare( PHP_VERSION, '5.4', '>=' ) ) {
+			// Replace space with a non-breaking space to avoid wrapping.
+			$thousands_sep = str_replace( ' ', '&nbsp;', $thousands_sep );
+		} else {
+			// PHP < 5.4.0 does not support multiple bytes in thousands separator.
+			$thousands_sep = str_replace( array( '&nbsp;', '&#160;' ), ' ', $thousands_sep );
+		}
+
+		$this->number_format['thousands_sep'] = ( 'number_format_thousands_sep' === $thousands_sep ) ? ',' : $thousands_sep;
+
+		/* translators: $dec_point argument for http://php.net/number_format, default is . */
+		$decimal_point = __( 'number_format_decimal_point' );
+
+		$this->number_format['decimal_point'] = ( 'number_format_decimal_point' === $decimal_point ) ? '.' : $decimal_point;
+
+		// Set text direction.
+		if ( isset( $GLOBALS['text_direction'] ) )
+			$this->text_direction = $GLOBALS['text_direction'];
+		/* translators: 'rtl' or 'ltr'. This sets the text direction for WordPress. */
+		elseif ( 'rtl' == _x( 'ltr', 'text direction' ) )
+			$this->text_direction = 'rtl';
+
+		if ( 'rtl' === $this->text_direction && strpos( $GLOBALS['wp_version'], '-src' ) ) {
+			$this->text_direction = 'ltr';
+			add_action( 'all_admin_notices', array( $this, 'rtl_src_admin_notice' ) );
+		}
+	}
+
+	/**
+	 * Outputs an admin notice if the /build directory must be used for RTL.
+	 *
+	 * @since 3.8.0
+	 * @access public
+	 */
+	public function rtl_src_admin_notice() {
+		/* translators: %s: Name of the directory (build) */
+		echo '<div class="error"><p>' . sprintf( __( 'The %s directory of the develop repository must be used for RTL.' ), '<code>build</code>' ) . '</p></div>';
+	}
+
+	/**
+	 * Retrieve the full translated weekday word.
+	 *
+	 * Week starts on translated Sunday and can be fetched
+	 * by using 0 (zero). So the week starts with 0 (zero)
+	 * and ends on Saturday with is fetched by using 6 (six).
+	 *
+	 * @since 2.1.0
+	 * @access public
+	 *
+	 * @param int $weekday_number 0 for Sunday through 6 Saturday
+	 * @return string Full translated weekday
+	 */
+	public function get_weekday($weekday_number) {
+		return $this->weekday[$weekday_number];
+	}
+
+	/**
+	 * Retrieve the translated weekday initial.
+	 *
+	 * The weekday initial is retrieved by the translated
+	 * full weekday word. When translating the weekday initial
+	 * pay attention to make sure that the starting letter does
+	 * not conflict.
+	 *
+	 * @since 2.1.0
+	 * @access public
+	 *
+	 * @param string $weekday_name
+	 * @return string
+	 */
+	public function get_weekday_initial($weekday_name) {
+		return $this->weekday_initial[$weekday_name];
+	}
+
+	/**
+	 * Retrieve the translated weekday abbreviation.
+	 *
+	 * The weekday abbreviation is retrieved by the translated
+	 * full weekday word.
+	 *
+	 * @since 2.1.0
+	 * @access public
+	 *
+	 * @param string $weekday_name Full translated weekday word
+	 * @return string Translated weekday abbreviation
+	 */
+	public function get_weekday_abbrev($weekday_name) {
+		return $this->weekday_abbrev[$weekday_name];
+	}
+
+	/**
+	 * Retrieve the full translated month by month number.
+	 *
+	 * The $month_number parameter has to be a string
+	 * because it must have the '0' in front of any number
+	 * that is less than 10. Starts from '01' and ends at
+	 * '12'.
+	 *
+	 * You can use an integer instead and it will add the
+	 * '0' before the numbers less than 10 for you.
+	 *
+	 * @since 2.1.0
+	 * @access public
+	 *
+	 * @param string|int $month_number '01' through '12'
+	 * @return string Translated full month name
+	 */
+	public function get_month($month_number) {
+		return $this->month[zeroise($month_number, 2)];
+	}
+
+	/**
+	 * Retrieve translated version of month abbreviation string.
+	 *
+	 * The $month_name parameter is expected to be the translated or
+	 * translatable version of the month.
+	 *
+	 * @since 2.1.0
+	 * @access public
+	 *
+	 * @param string $month_name Translated month to get abbreviated version
+	 * @return string Translated abbreviated month
+	 */
+	public function get_month_abbrev($month_name) {
+		return $this->month_abbrev[$month_name];
+	}
+
+	/**
+	 * Retrieve translated version of meridiem string.
+	 *
+	 * The $meridiem parameter is expected to not be translated.
+	 *
+	 * @since 2.1.0
+	 * @access public
+	 *
+	 * @param string $meridiem Either 'am', 'pm', 'AM', or 'PM'. Not translated version.
+	 * @return string Translated version
+	 */
+	public function get_meridiem($meridiem) {
+		return $this->meridiem[$meridiem];
+	}
+
+	/**
+	 * Global variables are deprecated.
+	 *
+	 * For backward compatibility only.
+	 *
+	 * @deprecated For backward compatibility only.
+	 * @access private
+	 *
+	 * @global array $weekday
+	 * @global array $weekday_initial
+	 * @global array $weekday_abbrev
+	 * @global array $month
+	 * @global array $month_abbrev
+	 *
+	 * @since 2.1.0
+	 */
+	public function register_globals() {
+		$GLOBALS['weekday']         = $this->weekday;
+		$GLOBALS['weekday_initial'] = $this->weekday_initial;
+		$GLOBALS['weekday_abbrev']  = $this->weekday_abbrev;
+		$GLOBALS['month']           = $this->month;
+		$GLOBALS['month_abbrev']    = $this->month_abbrev;
+	}
+
+	/**
+	 * Constructor which calls helper methods to set up object variables
+	 *
+	 * @since 2.1.0
+	 */
+	public function __construct() {
+		$this->init();
+		$this->register_globals();
+	}
+
+	/**
+	 * Checks if current locale is RTL.
+	 *
+	 * @since 3.0.0
+	 * @return bool Whether locale is RTL.
+	 */
+	public function is_rtl() {
+		return 'rtl' == $this->text_direction;
+	}
+
+	/**
+	 * Register date/time format strings for general POT.
+	 *
+	 * Private, unused method to add some date/time formats translated
+	 * on wp-admin/options-general.php to the general POT that would
+	 * otherwise be added to the admin POT.
+	 *
+	 * @since 3.6.0
+	 */
+	public function _strings_for_pot() {
+		/* translators: localized date format, see http://php.net/date */
+		__( 'F j, Y' );
+		/* translators: localized time format, see http://php.net/date */
+		__( 'g:i a' );
+		/* translators: localized date and time format, see http://php.net/date */
+		__( 'F j, Y g:i a' );
+	}
+}
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 +1,208 @@
+<?php
+/**
+ * Locale switcher object.
+ *
+ * @package    WordPress
+ * @subpackage i18n
+ */
+
+/**
+ * Class for switching locales.
+ *
+ * @since 4.6.0
+ */
+class WP_Locale_Switcher {
+
+	/**
+	 * Filter callbacks.
+	 *
+	 * @since 4.6.0
+	 * @var callback[]
+	 */
+	private $filters = array();
+
+	/**
+	 * Locale stack.
+	 *
+	 * @since 4.6.0
+	 * @var string[]
+	 */
+	private $locales = array();
+
+	/**
+	 * Original locale.
+	 *
+	 * @since 4.6.0
+	 * @var string
+	 */
+	private $original_locale;
+
+	/**
+	 * Translation objects.
+	 *
+	 * @since 4.6.0
+	 * @var NOOP_Translations[][]
+	 */
+	private $translations = array();
+
+	/**
+	 * Constructor. Stores the original locale.
+	 *
+	 * @since 4.6.0
+	 */
+	public function __construct() {
+
+		$this->original_locale = get_locale();
+	}
+
+	/**
+	 * Switches the translations according to the given locale.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @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 4.6.0
+	 *
+	 * @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 4.6.0
+	 *
+	 * @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 4.6.0
+	 */
+	private function remove_filters() {
+
+		foreach ( $this->filters as $filter ) {
+			remove_filter( 'locale', $filter );
+		}
+	}
+
+	/**
+	 * Adds a filter callback returning the given locale.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string $locale The locale.
+	 */
+	private function add_filter_for_locale( $locale ) {
+
+		if ( ! isset( $this->filters[ $locale ] ) ) {
+			require_once dirname( __FILE__ ) . '/class-wp-locale-storage.php';
+
+			// This SHOULD be a closure.
+			$this->filters[ $locale ] = array( new WP_Locale_Storage( $locale ), 'get' );
+		}
+
+		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 1463591591000)
+++ src/wp-includes/locale.php	(revision )
@@ -1,409 +1,57 @@
 <?php
-/**
- * Date and Time Locale object
- *
- * @package WordPress
- * @subpackage i18n
- */
 
-/**
- * Class that loads the calendar locale.
- *
- * @since 2.1.0
- */
-class WP_Locale {
-	/**
-	 * Stores the translated strings for the full weekday names.
-	 *
-	 * @since 2.1.0
-	 * @var array
-	 */
-	public $weekday;
+$dir = dirname( __FILE__ );
 
-	/**
-	 * Stores the translated strings for the one character weekday names.
-	 *
-	 * There is a hack to make sure that Tuesday and Thursday, as well
-	 * as Sunday and Saturday, don't conflict. See init() method for more.
-	 *
-	 * @see WP_Locale::init() for how to handle the hack.
-	 *
-	 * @since 2.1.0
-	 * @var array
-	 */
-	public $weekday_initial;
+require_once "$dir/class-wp-locale.php";
 
-	/**
-	 * Stores the translated strings for the abbreviated weekday names.
-	 *
-	 * @since 2.1.0
-	 * @var array
-	 */
-	public $weekday_abbrev;
+require_once "$dir/class-wp-locale-switcher.php";
 
-	/**
-	 * Stores the default start of the week.
-	 *
-	 * @since 4.4.0
-	 * @var string
-	 */
-	public $start_of_week;
+unset( $dir );
 
-	/**
+/**
-	 * Stores the translated strings for the full month names.
+ * Checks if current locale is RTL.
-	 *
+ *
-	 * @since 2.1.0
-	 * @var array
-	 */
-	public $month;
-
-	/**
-	 * Stores the translated strings for the abbreviated month names.
+ * @since 3.0.0
-	 *
+ *
-	 * @since 2.1.0
-	 * @var array
-	 */
-	public $month_abbrev;
-
-	/**
-	 * Stores the translated strings for 'am' and 'pm'.
+ * @global WP_Locale $wp_locale
-	 *
+ *
-	 * Also the capitalized versions.
-	 *
-	 * @since 2.1.0
-	 * @var array
+ * @return bool Whether locale is RTL.
-	 */
+ */
-	public $meridiem;
-
-	/**
-	 * The text direction of the locale language.
-	 *
-	 * Default is left to right 'ltr'.
-	 *
-	 * @since 2.1.0
-	 * @var string
-	 */
-	public $text_direction = 'ltr';
-
-	/**
-	 * The thousands separator and decimal point values used for localizing numbers.
-	 *
-	 * @since 2.3.0
-	 * @access public
-	 * @var array
-	 */
-	public $number_format;
-
-	/**
-	 * Sets up the translated strings and object properties.
-	 *
-	 * The method creates the translatable strings for various
-	 * calendar elements. Which allows for specifying locale
-	 * specific calendar names and text direction.
-	 *
-	 * @since 2.1.0
-	 * @access private
-	 *
-	 * @global string $text_direction
-	 * @global string $wp_version
-	 */
-	public function init() {
-		// The Weekdays
-		$this->weekday[0] = /* translators: weekday */ __('Sunday');
-		$this->weekday[1] = /* translators: weekday */ __('Monday');
-		$this->weekday[2] = /* translators: weekday */ __('Tuesday');
-		$this->weekday[3] = /* translators: weekday */ __('Wednesday');
-		$this->weekday[4] = /* translators: weekday */ __('Thursday');
-		$this->weekday[5] = /* translators: weekday */ __('Friday');
-		$this->weekday[6] = /* translators: weekday */ __('Saturday');
-
-		// The first letter of each day.
-		$this->weekday_initial[ __( 'Sunday' ) ]    = /* translators: one-letter abbreviation of the weekday */ _x( 'S', 'Sunday initial' );
-		$this->weekday_initial[ __( 'Monday' ) ]    = /* translators: one-letter abbreviation of the weekday */ _x( 'M', 'Monday initial' );
-		$this->weekday_initial[ __( 'Tuesday' ) ]   = /* translators: one-letter abbreviation of the weekday */ _x( 'T', 'Tuesday initial' );
-		$this->weekday_initial[ __( 'Wednesday' ) ] = /* translators: one-letter abbreviation of the weekday */ _x( 'W', 'Wednesday initial' );
-		$this->weekday_initial[ __( 'Thursday' ) ]  = /* translators: one-letter abbreviation of the weekday */ _x( 'T', 'Thursday initial' );
-		$this->weekday_initial[ __( 'Friday' ) ]    = /* translators: one-letter abbreviation of the weekday */ _x( 'F', 'Friday initial' );
-		$this->weekday_initial[ __( 'Saturday' ) ]  = /* translators: one-letter abbreviation of the weekday */ _x( 'S', 'Saturday initial' );
-
-		// Abbreviations for each day.
-		$this->weekday_abbrev[__('Sunday')]    = /* translators: three-letter abbreviation of the weekday */ __('Sun');
-		$this->weekday_abbrev[__('Monday')]    = /* translators: three-letter abbreviation of the weekday */ __('Mon');
-		$this->weekday_abbrev[__('Tuesday')]   = /* translators: three-letter abbreviation of the weekday */ __('Tue');
-		$this->weekday_abbrev[__('Wednesday')] = /* translators: three-letter abbreviation of the weekday */ __('Wed');
-		$this->weekday_abbrev[__('Thursday')]  = /* translators: three-letter abbreviation of the weekday */ __('Thu');
-		$this->weekday_abbrev[__('Friday')]    = /* translators: three-letter abbreviation of the weekday */ __('Fri');
-		$this->weekday_abbrev[__('Saturday')]  = /* translators: three-letter abbreviation of the weekday */ __('Sat');
-
-		// The Months
-		$this->month['01'] = /* translators: month name */ __( 'January' );
-		$this->month['02'] = /* translators: month name */ __( 'February' );
-		$this->month['03'] = /* translators: month name */ __( 'March' );
-		$this->month['04'] = /* translators: month name */ __( 'April' );
-		$this->month['05'] = /* translators: month name */ __( 'May' );
-		$this->month['06'] = /* translators: month name */ __( 'June' );
-		$this->month['07'] = /* translators: month name */ __( 'July' );
-		$this->month['08'] = /* translators: month name */ __( 'August' );
-		$this->month['09'] = /* translators: month name */ __( 'September' );
-		$this->month['10'] = /* translators: month name */ __( 'October' );
-		$this->month['11'] = /* translators: month name */ __( 'November' );
-		$this->month['12'] = /* translators: month name */ __( 'December' );
-
-		// The Months, genitive
-		$this->month_genitive['01'] = /* translators: month name, genitive */ _x( 'January', 'genitive' );
-		$this->month_genitive['02'] = /* translators: month name, genitive */ _x( 'February', 'genitive' );
-		$this->month_genitive['03'] = /* translators: month name, genitive */ _x( 'March', 'genitive' );
-		$this->month_genitive['04'] = /* translators: month name, genitive */ _x( 'April', 'genitive' );
-		$this->month_genitive['05'] = /* translators: month name, genitive */ _x( 'May', 'genitive' );
-		$this->month_genitive['06'] = /* translators: month name, genitive */ _x( 'June', 'genitive' );
-		$this->month_genitive['07'] = /* translators: month name, genitive */ _x( 'July', 'genitive' );
-		$this->month_genitive['08'] = /* translators: month name, genitive */ _x( 'August', 'genitive' );
-		$this->month_genitive['09'] = /* translators: month name, genitive */ _x( 'September', 'genitive' );
-		$this->month_genitive['10'] = /* translators: month name, genitive */ _x( 'October', 'genitive' );
-		$this->month_genitive['11'] = /* translators: month name, genitive */ _x( 'November', 'genitive' );
-		$this->month_genitive['12'] = /* translators: month name, genitive */ _x( 'December', 'genitive' );
-
-		// Abbreviations for each month.
-		$this->month_abbrev[ __( 'January' ) ]   = /* translators: three-letter abbreviation of the month */ _x( 'Jan', 'January abbreviation' );
-		$this->month_abbrev[ __( 'February' ) ]  = /* translators: three-letter abbreviation of the month */ _x( 'Feb', 'February abbreviation' );
-		$this->month_abbrev[ __( 'March' ) ]     = /* translators: three-letter abbreviation of the month */ _x( 'Mar', 'March abbreviation' );
-		$this->month_abbrev[ __( 'April' ) ]     = /* translators: three-letter abbreviation of the month */ _x( 'Apr', 'April abbreviation' );
-		$this->month_abbrev[ __( 'May' ) ]       = /* translators: three-letter abbreviation of the month */ _x( 'May', 'May abbreviation' );
-		$this->month_abbrev[ __( 'June' ) ]      = /* translators: three-letter abbreviation of the month */ _x( 'Jun', 'June abbreviation' );
-		$this->month_abbrev[ __( 'July' ) ]      = /* translators: three-letter abbreviation of the month */ _x( 'Jul', 'July abbreviation' );
-		$this->month_abbrev[ __( 'August' ) ]    = /* translators: three-letter abbreviation of the month */ _x( 'Aug', 'August abbreviation' );
-		$this->month_abbrev[ __( 'September' ) ] = /* translators: three-letter abbreviation of the month */ _x( 'Sep', 'September abbreviation' );
-		$this->month_abbrev[ __( 'October' ) ]   = /* translators: three-letter abbreviation of the month */ _x( 'Oct', 'October abbreviation' );
-		$this->month_abbrev[ __( 'November' ) ]  = /* translators: three-letter abbreviation of the month */ _x( 'Nov', 'November abbreviation' );
-		$this->month_abbrev[ __( 'December' ) ]  = /* translators: three-letter abbreviation of the month */ _x( 'Dec', 'December abbreviation' );
-
-		// The Meridiems
-		$this->meridiem['am'] = __('am');
-		$this->meridiem['pm'] = __('pm');
-		$this->meridiem['AM'] = __('AM');
-		$this->meridiem['PM'] = __('PM');
-
-		// Numbers formatting
-		// See http://php.net/number_format
-
-		/* translators: $thousands_sep argument for http://php.net/number_format, default is , */
-		$thousands_sep = __( 'number_format_thousands_sep' );
-
-		if ( version_compare( PHP_VERSION, '5.4', '>=' ) ) {
-			// Replace space with a non-breaking space to avoid wrapping.
-			$thousands_sep = str_replace( ' ', '&nbsp;', $thousands_sep );
-		} else {
-			// PHP < 5.4.0 does not support multiple bytes in thousands separator.
-			$thousands_sep = str_replace( array( '&nbsp;', '&#160;' ), ' ', $thousands_sep );
+function is_rtl() {
+	global $wp_locale;
+	return $wp_locale->is_rtl();
-		}
+}
 
-		$this->number_format['thousands_sep'] = ( 'number_format_thousands_sep' === $thousands_sep ) ? ',' : $thousands_sep;
-
-		/* translators: $dec_point argument for http://php.net/number_format, default is . */
-		$decimal_point = __( 'number_format_decimal_point' );
-
-		$this->number_format['decimal_point'] = ( 'number_format_decimal_point' === $decimal_point ) ? '.' : $decimal_point;
-
-		// Set text direction.
-		if ( isset( $GLOBALS['text_direction'] ) )
-			$this->text_direction = $GLOBALS['text_direction'];
-		/* translators: 'rtl' or 'ltr'. This sets the text direction for WordPress. */
-		elseif ( 'rtl' == _x( 'ltr', 'text direction' ) )
-			$this->text_direction = 'rtl';
-
-		if ( 'rtl' === $this->text_direction && strpos( $GLOBALS['wp_version'], '-src' ) ) {
-			$this->text_direction = 'ltr';
-			add_action( 'all_admin_notices', array( $this, 'rtl_src_admin_notice' ) );
-		}
-	}
-
-	/**
+/**
-	 * Outputs an admin notice if the /build directory must be used for RTL.
+ * Switches the translations according to the given locale.
-	 *
+ *
-	 * @since 3.8.0
-	 * @access public
-	 */
-	public function rtl_src_admin_notice() {
-		/* translators: %s: Name of the directory (build) */
-		echo '<div class="error"><p>' . sprintf( __( 'The %s directory of the develop repository must be used for RTL.' ), '<code>build</code>' ) . '</p></div>';
-	}
-
-	/**
-	 * Retrieve the full translated weekday word.
+ * @since 4.6.0
-	 *
+ *
-	 * Week starts on translated Sunday and can be fetched
-	 * by using 0 (zero). So the week starts with 0 (zero)
-	 * and ends on Saturday with is fetched by using 6 (six).
-	 *
-	 * @since 2.1.0
-	 * @access public
-	 *
-	 * @param int $weekday_number 0 for Sunday through 6 Saturday
-	 * @return string Full translated weekday
+ * @param string $locale The locale.
-	 */
+ */
-	public function get_weekday($weekday_number) {
-		return $this->weekday[$weekday_number];
-	}
+function switch_to_locale( $locale ) {
 
 	/**
-	 * Retrieve the translated weekday initial.
-	 *
-	 * The weekday initial is retrieved by the translated
-	 * full weekday word. When translating the weekday initial
-	 * pay attention to make sure that the starting letter does
-	 * not conflict.
-	 *
-	 * @since 2.1.0
-	 * @access public
-	 *
-	 * @param string $weekday_name
-	 * @return string
+	 * @global WP_Locale_Switcher $wp_locale_switcher
 	 */
-	public function get_weekday_initial($weekday_name) {
-		return $this->weekday_initial[$weekday_name];
-	}
+	global $wp_locale_switcher;
 
-	/**
-	 * Retrieve the translated weekday abbreviation.
-	 *
-	 * The weekday abbreviation is retrieved by the translated
-	 * full weekday word.
-	 *
-	 * @since 2.1.0
-	 * @access public
-	 *
-	 * @param string $weekday_name Full translated weekday word
-	 * @return string Translated weekday abbreviation
-	 */
-	public function get_weekday_abbrev($weekday_name) {
-		return $this->weekday_abbrev[$weekday_name];
+	$wp_locale_switcher->switch_to_locale( $locale );
-	}
+}
 
-	/**
+/**
-	 * Retrieve the full translated month by month number.
+ * Restores the translations according to the previous locale.
-	 *
+ *
-	 * The $month_number parameter has to be a string
-	 * because it must have the '0' in front of any number
-	 * that is less than 10. Starts from '01' and ends at
-	 * '12'.
+ * @since 4.6.0
-	 *
+ *
-	 * You can use an integer instead and it will add the
-	 * '0' before the numbers less than 10 for you.
-	 *
-	 * @since 2.1.0
-	 * @access public
-	 *
-	 * @param string|int $month_number '01' through '12'
-	 * @return string Translated full month name
+ * @return string|false Locale on success, false on error.
-	 */
+ */
-	public function get_month($month_number) {
-		return $this->month[zeroise($month_number, 2)];
-	}
+function restore_locale() {
 
 	/**
-	 * Retrieve translated version of month abbreviation string.
-	 *
-	 * The $month_name parameter is expected to be the translated or
-	 * translatable version of the month.
-	 *
-	 * @since 2.1.0
-	 * @access public
-	 *
-	 * @param string $month_name Translated month to get abbreviated version
-	 * @return string Translated abbreviated month
+	 * @global WP_Locale_Switcher $wp_locale_switcher
 	 */
-	public function get_month_abbrev($month_name) {
-		return $this->month_abbrev[$month_name];
-	}
+	global $wp_locale_switcher;
 
-	/**
-	 * Retrieve translated version of meridiem string.
-	 *
-	 * The $meridiem parameter is expected to not be translated.
-	 *
-	 * @since 2.1.0
-	 * @access public
-	 *
-	 * @param string $meridiem Either 'am', 'pm', 'AM', or 'PM'. Not translated version.
-	 * @return string Translated version
-	 */
-	public function get_meridiem($meridiem) {
-		return $this->meridiem[$meridiem];
-	}
-
-	/**
-	 * Global variables are deprecated.
-	 *
-	 * For backward compatibility only.
-	 *
-	 * @deprecated For backward compatibility only.
-	 * @access private
-	 *
-	 * @global array $weekday
-	 * @global array $weekday_initial
-	 * @global array $weekday_abbrev
-	 * @global array $month
-	 * @global array $month_abbrev
-	 *
-	 * @since 2.1.0
-	 */
-	public function register_globals() {
-		$GLOBALS['weekday']         = $this->weekday;
-		$GLOBALS['weekday_initial'] = $this->weekday_initial;
-		$GLOBALS['weekday_abbrev']  = $this->weekday_abbrev;
-		$GLOBALS['month']           = $this->month;
-		$GLOBALS['month_abbrev']    = $this->month_abbrev;
-	}
-
-	/**
-	 * Constructor which calls helper methods to set up object variables
-	 *
-	 * @since 2.1.0
-	 */
-	public function __construct() {
-		$this->init();
-		$this->register_globals();
-	}
-
-	/**
-	 * Checks if current locale is RTL.
-	 *
-	 * @since 3.0.0
-	 * @return bool Whether locale is RTL.
-	 */
-	public function is_rtl() {
-		return 'rtl' == $this->text_direction;
-	}
-
-	/**
-	 * Register date/time format strings for general POT.
-	 *
-	 * Private, unused method to add some date/time formats translated
-	 * on wp-admin/options-general.php to the general POT that would
-	 * otherwise be added to the admin POT.
-	 *
-	 * @since 3.6.0
-	 */
-	public function _strings_for_pot() {
-		/* translators: localized date format, see http://php.net/date */
-		__( 'F j, Y' );
-		/* translators: localized time format, see http://php.net/date */
-		__( 'g:i a' );
-		/* translators: localized date and time format, see http://php.net/date */
-		__( 'F j, Y g:i a' );
-	}
-}
-
-/**
- * Checks if current locale is RTL.
- *
- * @since 3.0.0
- *
- * @global WP_Locale $wp_locale
- *
- * @return bool Whether locale is RTL.
- */
-function is_rtl() {
-	global $wp_locale;
-	return $wp_locale->is_rtl();
+	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 1463591591000)
+++ src/wp-includes/pomo/mo.php	(revision )
@@ -16,6 +16,26 @@
 	var $_nplurals = 2;
 
 	/**
+	 * Loaded MO file.
+	 *
+	 * @since 4.6.0
+	 * @var string
+	 */
+	private $filename = '';
+
+	/**
+	 * Returns the loaded MO file.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @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 +44,7 @@
 		$reader = new POMO_FileReader($filename);
 		if (!$reader->is_resource())
 			return false;
+		$this->filename = (string) $filename;
 		return $this->import_from_reader($reader);
 	}
 
@@ -299,4 +320,4 @@
 		return $this->_nplurals;
 	}
 }
-endif;
\ No newline at end of file
+endif;
Index: src/wp-settings.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- src/wp-settings.php	(date 1463591591000)
+++ src/wp-settings.php	(revision )
@@ -362,6 +362,13 @@
  */
 $GLOBALS['wp_locale'] = new WP_Locale();
 
+/**
+ * WordPress Locale Switcher object for switching locales.
+ * @global WP_Locale_Switcher $wp_locale_switcher
+ * @since 4.6.0
+ */
+$GLOBALS['wp_locale_switcher'] = new WP_Locale_Switcher();
+
 // 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 +1,47 @@
+<?php
+/**
+ * Simple single (locale) value storage.
+ *
+ * @package    WordPress
+ * @subpackage i18n
+ */
+
+/**
+ * Class for locale storage objects with a getter.
+ *
+ * @since 4.6.0
+ */
+class WP_Locale_Storage {
+
+	/**
+	 * The stored locale.
+	 *
+	 * @since 4.6.0
+	 * @var string
+	 */
+	private $locale;
+
+	/**
+	 * Constructor. Stores the given locale.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string $locale The locale.
+	 */
+	public function __construct( $locale ) {
+
+		$this->locale = (string) $locale;
+	}
+
+	/**
+	 * Returns the stored locale.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @return string The stored locale.
+	 */
+	public function get() {
+
+		return $this->locale;
+	}
+}
