/**
 * I18N: WP_Translation_Controller class.
 *
 * @package WordPress
 * @subpackage I18N
 * @since 6.5.0
 */

/**
 * Class WP_Translation_Controller.
 *
 * @since 6.5.0
 */
final class WP_Translation_Controller {
	/**
	 * Current locale.
	 *
	 * @since 6.5.0
	 * @var string
	 */
	protected $current_locale = 'en_US';

	/**
	 * Map of loaded translations per locale and text domain.
	 *
	 * [ Locale => [ Textdomain => [ ..., ... ] ] ]
	 *
	 * @since 6.5.0
	 * @var array<string, array<string, WP_Translation_File[]>>
	 */
	protected $loaded_translations = array();

	/**
	 * List of loaded translation files.
	 *
	 * [ Filename => [ Locale => [ Textdomain => WP_Translation_File ] ] ]
	 *
	 * @since 6.5.0
	 * @var array<string, array<string, array<string, WP_Translation_File|false>>>
	 */
	protected $loaded_files = array();

	/**
	 * Container for the main instance of the class.
	 *
	 * @since 6.5.0
	 * @var WP_Translation_Controller|null
	 */
	private static $instance = null;

	/**
	 * Utility method to retrieve the main instance of the class.
	 *
	 * The instance will be created if it does not exist yet.
	 *
	 * @since 6.5.0
	 *
	 * @return WP_Translation_Controller
	 */
	public static function get_instance(): WP_Translation_Controller {
		if ( null === self::$instance ) {
			self::$instance = new self();
		}

		return self::$instance;
	}

	/**
	 * Returns the current locale.
	 *
	 * @since 6.5.0
	 *
	 * @return string Locale.
	 */
	public function get_locale(): string {
		return $this->current_locale;
	}

	/**
	 * Sets the current locale.
	 *
	 * @since 6.5.0
	 *
	 * @param string $locale Locale.
	 */
	public function set_locale( string $locale ) {
		$this->current_locale = $locale;
	}

	/**
	 * Loads a translation file for a given text domain.
	 *
	 * @since 6.5.0
	 *
	 * @param string $translation_file Translation file.
	 * @param string $textdomain       Optional. Text domain. Default 'default'.
	 * @param string $locale           Optional. Locale. Default current locale.
	 * @return bool True on success, false otherwise.
	 */
	public function load_file( string $translation_file, string $textdomain = 'default', string $locale = null ): bool {
		if ( null === $locale ) {
			$locale = $this->current_locale;
		}

		$translation_file = realpath( $translation_file );

		if ( false === $translation_file ) {
			return false;
		}

		if (
			isset( $this->loaded_files[ $translation_file ][ $locale ][ $textdomain ] ) &&
			false !== $this->loaded_files[ $translation_file ][ $locale ][ $textdomain ]
		) {
			return null === $this->loaded_files[ $translation_file ][ $locale ][ $textdomain ]->error();
		}

		if (
			isset( $this->loaded_files[ $translation_file ][ $locale ] ) &&
			array() !== $this->loaded_files[ $translation_file ][ $locale ]
		) {
			$moe = reset( $this->loaded_files[ $translation_file ][ $locale ] );
		} else {
			$moe = WP_Translation_File::create( $translation_file );
			if ( false === $moe || null !== $moe->error() ) {
				$moe = false;
			}
		}

		$this->loaded_files[ $translation_file ][ $locale ][ $textdomain ] = $moe;

		if ( ! $moe instanceof WP_Translation_File ) {
			return false;
		}

		if ( ! isset( $this->loaded_translations[ $locale ][ $textdomain ] ) ) {
			$this->loaded_translations[ $locale ][ $textdomain ] = array();
		}

		$this->loaded_translations[ $locale ][ $textdomain ][] = $moe;

		return true;
	}

	/**
	 * Unloads a translation file for a given text domain.
	 *
	 * @since 6.5.0
	 *
	 * @param WP_Translation_File|string $file       Translation file instance or file name.
	 * @param string                     $textdomain Optional. Text domain. Default 'default'.
	 * @param string                     $locale     Optional. Locale. Defaults to all locales.
	 * @return bool True on success, false otherwise.
	 */
	public function unload_file( $file, string $textdomain = 'default', string $locale = null ): bool {
		if ( is_string( $file ) ) {
			$file = realpath( $file );
		}

		if ( null !== $locale ) {
			if ( isset( $this->loaded_translations[ $locale ][ $textdomain ] ) ) {
				foreach ( $this->loaded_translations[ $locale ][ $textdomain ] as $i => $moe ) {
					if ( $file === $moe || $file === $moe->get_file() ) {
						unset( $this->loaded_translations[ $locale ][ $textdomain ][ $i ] );
						unset( $this->loaded_files[ $moe->get_file() ][ $locale ][ $textdomain ] );
						return true;
					}
				}
			}

			return true;
		}

		foreach ( $this->loaded_translations as $l => $domains ) {
			if ( ! isset( $domains[ $textdomain ] ) ) {
				continue;
			}

			foreach ( $domains[ $textdomain ] as $i => $moe ) {
				if ( $file === $moe || $file === $moe->get_file() ) {
					unset( $this->loaded_translations[ $l ][ $textdomain ][ $i ] );
					unset( $this->loaded_files[ $moe->get_file() ][ $l ][ $textdomain ] );
					return true;
				}
			}
		}

		return false;
	}

	/**
	 * Unloads all translation files for a given text domain.
	 *
	 * @since 6.5.0
	 *
	 * @param string $textdomain Optional. Text domain. Default 'default'.
	 * @param string $locale     Optional. Locale. Defaults to all locales.
	 * @return bool True on success, false otherwise.
	 */
	public function unload_textdomain( string $textdomain = 'default', string $locale = null ): bool {
		$unloaded = false;

		if ( null !== $locale ) {
			if ( isset( $this->loaded_translations[ $locale ][ $textdomain ] ) ) {
				$unloaded = true;
				foreach ( $this->loaded_translations[ $locale ][ $textdomain ] as $moe ) {
					unset( $this->loaded_files[ $moe->get_file() ][ $locale ][ $textdomain ] );
				}
			}

			unset( $this->loaded_translations[ $locale ][ $textdomain ] );

			return $unloaded;
		}

		foreach ( $this->loaded_translations as $l => $domains ) {
			if ( ! isset( $domains[ $textdomain ] ) ) {
				continue;
			}

			$unloaded = true;

			foreach ( $domains[ $textdomain ] as $moe ) {
				unset( $this->loaded_files[ $moe->get_file() ][ $l ][ $textdomain ] );
			}

			unset( $this->loaded_translations[ $l ][ $textdomain ] );
		}

		return $unloaded;
	}

	/**
	 * Determines whether translations are loaded for a given text domain.
	 *
	 * @since 6.5.0
	 *
	 * @param string $textdomain Optional. Text domain. Default 'default'.
	 * @param string $locale     Optional. Locale. Default current locale.
	 * @return bool True if there are any loaded translations, false otherwise.
	 */
	public function is_textdomain_loaded( string $textdomain = 'default', string $locale = null ): bool {
		if ( null === $locale ) {
			$locale = $this->current_locale;
		}

		return isset( $this->loaded_translations[ $locale ][ $textdomain ] ) &&
			array() !== $this->loaded_translations[ $locale ][ $textdomain ];
	}

	/**
	 * Translates a singular string.
	 *
	 * @since 6.5.0
	 *
	 * @param string $text       Text to translate.
	 * @param string $context    Optional. Context for the string. Default empty string.
	 * @param string $textdomain Optional. Text domain. Default 'default'.
	 * @param string $locale     Optional. Locale. Default current locale.
	 * @return string|false Translation on success, false otherwise.
	 */
	public function translate( string $text, string $context = '', string $textdomain = 'default', string $locale = null ) {
		if ( '' !== $context ) {
			$context .= "\4";
		}

		$translation = $this->locate_translation( "{$context}{$text}", $textdomain, $locale );

		if ( false === $translation ) {
			return false;
		}

		return $translation['entries'][0];
	}

	/**
	 * Translates plurals.
	 *
	 * Checks both singular+plural combinations as well as just singulars,
	 * in case the translation file does not store the plural.
	 *
	 * @since 6.5.0
	 *
	 * @param array{0: string, 1: string} $plurals {
	 *     Pair of singular and plural translations.
	 *
	 *     @type string $0 Singular translation.
	 *     @type string $1 Plural translation.
	 * }
	 * @param int                         $number     Number of items.
	 * @param string                      $context    Optional. Context for the string. Default empty string.
	 * @param string                      $textdomain Optional. Text domain. Default 'default'.
	 * @param string                      $locale     Optional. Locale. Default current locale.
	 * @return string|false Translation on success, false otherwise.
	 */
	public function translate_plural( array $plurals, int $number, string $context = '', string $textdomain = 'default', string $locale = null ) {
		if ( '' !== $context ) {
			$context .= "\4";
		}

		$text        = implode( "\0", $plurals );
		$translation = $this->locate_translation( "{$context}{$text}", $textdomain, $locale );

		if ( false === $translation ) {
			$text        = $plurals[0];
			$translation = $this->locate_translation( "{$context}{$text}", $textdomain, $locale );

			if ( false === $translation ) {
				return false;
			}
		}

		/** @var WP_Translation_File $source */
		$source = $translation['source'];
		$num    = $source->get_plural_form( $number );

		// See \Translations::translate_plural().
		return $translation['entries'][ $num ] ?? $translation['entries'][0];
	}

	/**
	 * Returns all existing headers for a given text domain.
	 *
	 * @since 6.5.0
	 *
	 * @param string $textdomain Optional. Text domain. Default 'default'.
	 * @return array<string, string> Headers.
	 */
	public function get_headers( string $textdomain = 'default' ): array {
		if ( array() === $this->loaded_translations ) {
			return array();
		}

		$headers = array();

		foreach ( $this->get_files( $textdomain ) as $moe ) {
			foreach ( $moe->headers() as $header => $value ) {
				$headers[ $this->normalize_header( $header ) ] = $value;
			}
		}

		return $headers;
	}

	/**
	 * Normalizes header names to be capitalized.
	 *
	 * @since 6.5.0
	 *
	 * @param string $header Header name.
	 * @return string Normalized header name.
	 */
	protected function normalize_header( string $header ): string {
		$parts = explode( '-', $header );
		$parts = array_map( 'ucfirst', $parts );
		return implode( '-', $parts );
	}

	/**
	 * Returns all entries for a given text domain.
	 *
	 * @since 6.5.0
	 *
	 * @param string $textdomain Optional. Text domain. Default 'default'.
	 * @return array<string, string> Entries.
	 */
	public function get_entries( string $textdomain = 'default' ): array {
		if ( array() === $this->loaded_translations ) {
			return array();
		}

		$entries = array();

		foreach ( $this->get_files( $textdomain ) as $moe ) {
			$entries = array_merge( $entries, $moe->entries() );
		}

		return $entries;
	}

	/**
	 * Locates translation for a given string and text domain.
	 *
	 * @since 6.5.0
	 *
	 * @param string $singular   Singular translation.
	 * @param string $textdomain Optional. Text domain. Default 'default'.
	 * @param string $locale     Optional. Locale. Default current locale.
	 * @return array{source: WP_Translation_File, entries: string[]}|false {
	 *     Translations on success, false otherwise.
	 *
	 *     @type WP_Translation_File $source Translation file instance.
	 *     @type string[]            $entries Array of translation entries.
	 * }
	 */
	protected function locate_translation( string $singular, string $textdomain = 'default', string $locale = null ) {
		if ( array() === $this->loaded_translations ) {
			return false;
		}

		// Find the translation in all loaded files for this text domain.
		foreach ( $this->get_files( $textdomain, $locale ) as $moe ) {
			$translation = $moe->translate( $singular );
			if ( false !== $translation ) {
				return array(
					'entries' => explode( "\0", $translation ),
					'source'  => $moe,
				);
			}
			if ( null !== $moe->error() ) {
				// Unload this file, something is wrong.
				$this->unload_file( $moe, $textdomain, $locale );
			}
		}

		// Nothing could be found.
		return false;
	}

	/**
	 * Returns all translation files for a given text domain.
	 *
	 * @since 6.5.0
	 *
	 * @param string $textdomain Optional. Text domain. Default 'default'.
	 * @param string $locale     Optional. Locale. Default current locale.
	 * @return WP_Translation_File[] List of translation files.
	 */
	protected function get_files( string $textdomain = 'default', string $locale = null ): array {
		if ( null === $locale ) {
			$locale = $this->current_locale;
		}

		return $this->loaded_translations[ $locale ][ $textdomain ] ?? array();
	}
}

/**
 * Locale API: WP_Locale class
 *
 * @package WordPress
 * @subpackage i18n
 * @since 4.6.0
 */

/**
 * Core class used to store translated data for a locale.
 *
 * @since 2.1.0
 * @since 4.6.0 Moved to its own file from wp-includes/locale.php.
 */
#[AllowDynamicProperties]
class WP_Locale {
	/**
	 * Stores the translated strings for the full weekday names.
	 *
	 * @since 2.1.0
	 * @since 6.2.0 Initialized to an empty array.
	 * @var string[]
	 */
	public $weekday = array();

	/**
	 * 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
	 * @since 6.2.0 Initialized to an empty array.
	 * @var string[]
	 */
	public $weekday_initial = array();

	/**
	 * Stores the translated strings for the abbreviated weekday names.
	 *
	 * @since 2.1.0
	 * @since 6.2.0 Initialized to an empty array.
	 * @var string[]
	 */
	public $weekday_abbrev = array();

	/**
	 * Stores the translated strings for the full month names.
	 *
	 * @since 2.1.0
	 * @since 6.2.0 Initialized to an empty array.
	 * @var string[]
	 */
	public $month = array();

	/**
	 * Stores the translated strings for the month names in genitive case, if the locale specifies.
	 *
	 * @since 4.4.0
	 * @since 6.2.0 Initialized to an empty array.
	 * @var string[]
	 */
	public $month_genitive = array();

	/**
	 * Stores the translated strings for the abbreviated month names.
	 *
	 * @since 2.1.0
	 * @since 6.2.0 Initialized to an empty array.
	 * @var string[]
	 */
	public $month_abbrev = array();

	/**
	 * Stores the translated strings for 'am' and 'pm'.
	 *
	 * Also the capitalized versions.
	 *
	 * @since 2.1.0
	 * @since 6.2.0 Initialized to an empty array.
	 * @var string[]
	 */
	public $meridiem = array();

	/**
	 * 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
	 * @since 6.2.0 Initialized to an empty array.
	 * @var array
	 */
	public $number_format = array();

	/**
	 * The separator string used for localizing list item separator.
	 *
	 * @since 6.0.0
	 * @var string
	 */
	public $list_item_separator;

	/**
	 * The word count type of the locale language.
	 *
	 * Default is 'words'.
	 *
	 * @since 6.2.0
	 * @var string
	 */
	public $word_count_type;

	/**
	 * Constructor which calls helper methods to set up object variables.
	 *
	 * @since 2.1.0
	 */
	public function __construct() {
		$this->init();
		$this->register_globals();
	}

	/**
	 * 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
	 *
	 * @global string $text_direction
	 */
	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[ $this->weekday[0] ] = /* translators: One-letter abbreviation of the weekday. */ _x( 'S', 'Sunday initial' );
		$this->weekday_initial[ $this->weekday[1] ] = /* translators: One-letter abbreviation of the weekday. */ _x( 'M', 'Monday initial' );
		$this->weekday_initial[ $this->weekday[2] ] = /* translators: One-letter abbreviation of the weekday. */ _x( 'T', 'Tuesday initial' );
		$this->weekday_initial[ $this->weekday[3] ] = /* translators: One-letter abbreviation of the weekday. */ _x( 'W', 'Wednesday initial' );
		$this->weekday_initial[ $this->weekday[4] ] = /* translators: One-letter abbreviation of the weekday. */ _x( 'T', 'Thursday initial' );
		$this->weekday_initial[ $this->weekday[5] ] = /* translators: One-letter abbreviation of the weekday. */ _x( 'F', 'Friday initial' );
		$this->weekday_initial[ $this->weekday[6] ] = /* translators: One-letter abbreviation of the weekday. */ _x( 'S', 'Saturday initial' );

		// Abbreviations for each day.
		$this->weekday_abbrev[ $this->weekday[0] ] = /* translators: Three-letter abbreviation of the weekday. */ __( 'Sun' );
		$this->weekday_abbrev[ $this->weekday[1] ] = /* translators: Three-letter abbreviation of the weekday. */ __( 'Mon' );
		$this->weekday_abbrev[ $this->weekday[2] ] = /* translators: Three-letter abbreviation of the weekday. */ __( 'Tue' );
		$this->weekday_abbrev[ $this->weekday[3] ] = /* translators: Three-letter abbreviation of the weekday. */ __( 'Wed' );
		$this->weekday_abbrev[ $this->weekday[4] ] = /* translators: Three-letter abbreviation of the weekday. */ __( 'Thu' );
		$this->weekday_abbrev[ $this->weekday[5] ] = /* translators: Three-letter abbreviation of the weekday. */ __( 'Fri' );
		$this->weekday_abbrev[ $this->weekday[6] ] = /* 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[ $this->month['01'] ] = /* translators: Three-letter abbreviation of the month. */ _x( 'Jan', 'January abbreviation' );
		$this->month_abbrev[ $this->month['02'] ] = /* translators: Three-letter abbreviation of the month. */ _x( 'Feb', 'February abbreviation' );
		$this->month_abbrev[ $this->month['03'] ] = /* translators: Three-letter abbreviation of the month. */ _x( 'Mar', 'March abbreviation' );
		$this->month_abbrev[ $this->month['04'] ] = /* translators: Three-letter abbreviation of the month. */ _x( 'Apr', 'April abbreviation' );
		$this->month_abbrev[ $this->month['05'] ] = /* translators: Three-letter abbreviation of the month. */ _x( 'May', 'May abbreviation' );
		$this->month_abbrev[ $this->month['06'] ] = /* translators: Three-letter abbreviation of the month. */ _x( 'Jun', 'June abbreviation' );
		$this->month_abbrev[ $this->month['07'] ] = /* translators: Three-letter abbreviation of the month. */ _x( 'Jul', 'July abbreviation' );
		$this->month_abbrev[ $this->month['08'] ] = /* translators: Three-letter abbreviation of the month. */ _x( 'Aug', 'August abbreviation' );
		$this->month_abbrev[ $this->month['09'] ] = /* translators: Three-letter abbreviation of the month. */ _x( 'Sep', 'September abbreviation' );
		$this->month_abbrev[ $this->month['10'] ] = /* translators: Three-letter abbreviation of the month. */ _x( 'Oct', 'October abbreviation' );
		$this->month_abbrev[ $this->month['11'] ] = /* translators: Three-letter abbreviation of the month. */ _x( 'Nov', 'November abbreviation' );
		$this->month_abbrev[ $this->month['12'] ] = /* 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 https://www.php.net/number_format
		 */

		/* translators: $thousands_sep argument for https://www.php.net/number_format, default is ',' */
		$thousands_sep = __( 'number_format_thousands_sep' );

		// Replace space with a non-breaking space to avoid wrapping.
		$thousands_sep = str_replace( ' ', '&nbsp;', $thousands_sep );

		$this->number_format['thousands_sep'] = ( 'number_format_thousands_sep' === $thousands_sep ) ? ',' : $thousands_sep;

		/* translators: $dec_point argument for https://www.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;

		/* translators: Used between list items, there is a space after the comma. */
		$this->list_item_separator = __( ', ' );

		// 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';
		}

		// Set the word count type.
		$this->word_count_type = $this->get_word_count_type();
	}

	/**
	 * Retrieves 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
	 *
	 * @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 ];
	}

	/**
	 * Retrieves 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
	 *
	 * @param string $weekday_name Full translated weekday word.
	 * @return string Translated weekday initial.
	 */
	public function get_weekday_initial( $weekday_name ) {
		return $this->weekday_initial[ $weekday_name ];
	}

	/**
	 * Retrieves the translated weekday abbreviation.
	 *
	 * The weekday abbreviation is retrieved by the translated
	 * full weekday word.
	 *
	 * @since 2.1.0
	 *
	 * @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 ];
	}

	/**
	 * Retrieves 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
	 *
	 * @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 ) ];
	}

	/**
	 * Retrieves 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
	 *
	 * @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 ];
	}

	/**
	 * Retrieves translated version of meridiem string.
	 *
	 * The $meridiem parameter is expected to not be translated.
	 *
	 * @since 2.1.0
	 *
	 * @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.
	 *
	 * @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;
	}

	/**
	 * 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;
	}

	/**
	 * Registers 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 https://www.php.net/manual/datetime.format.php */
		__( 'F j, Y' );
		/* translators: Localized time format, see https://www.php.net/manual/datetime.format.php */
		__( 'g:i a' );
		/* translators: Localized date and time format, see https://www.php.net/manual/datetime.format.php */
		__( 'F j, Y g:i a' );
	}

	/**
	 * Retrieves the localized list item separator.
	 *
	 * @since 6.0.0
	 *
	 * @return string Localized list item separator.
	 */
	public function get_list_item_separator() {
		return $this->list_item_separator;
	}

	/**
	 * Retrieves the localized word count type.
	 *
	 * @since 6.2.0
	 *
	 * @return string Localized word count type. Possible values are `characters_excluding_spaces`,
	 *                `characters_including_spaces`, or `words`. Defaults to `words`.
	 */
	public function get_word_count_type() {

		/*
		 * translators: If your word count is based on single characters (e.g. East Asian characters),
		 * enter 'characters_excluding_spaces' or 'characters_including_spaces'. Otherwise, enter 'words'.
		 * Do not translate into your own language.
		 */
		$word_count_type = is_null( $this->word_count_type ) ? _x( 'words', 'Word count type. Do not translate!' ) : $this->word_count_type;

		// Check for valid types.
		if ( 'characters_excluding_spaces' !== $word_count_type && 'characters_including_spaces' !== $word_count_type ) {
			// Defaults to 'words'.
			$word_count_type = 'words';
		}

		return $word_count_type;
	}
}

/**
 * Toolbar API: Top-level Toolbar functionality
 *
 * @package WordPress
 * @subpackage Toolbar
 * @since 3.1.0
 */

/**
 * Instantiates the admin bar object and set it up as a global for access elsewhere.
 *
 * UNHOOKING THIS FUNCTION WILL NOT PROPERLY REMOVE THE ADMIN BAR.
 * For that, use show_admin_bar(false) or the {@see 'show_admin_bar'} filter.
 *
 * @since 3.1.0
 * @access private
 *
 * @global WP_Admin_Bar $wp_admin_bar
 *
 * @return bool Whether the admin bar was successfully initialized.
 */
function _wp_admin_bar_init() {
	global $wp_admin_bar;

	if ( ! is_admin_bar_showing() ) {
		return false;
	}

	/* Load the admin bar class code ready for instantiation */
	require_once ABSPATH . WPINC . '/class-wp-admin-bar.php';

	/* Instantiate the admin bar */

	/**
	 * Filters the admin bar class to instantiate.
	 *
	 * @since 3.1.0
	 *
	 * @param string $wp_admin_bar_class Admin bar class to use. Default 'WP_Admin_Bar'.
	 */
	$admin_bar_class = apply_filters( 'wp_admin_bar_class', 'WP_Admin_Bar' );
	if ( class_exists( $admin_bar_class ) ) {
		$wp_admin_bar = new $admin_bar_class();
	} else {
		return false;
	}

	$wp_admin_bar->initialize();
	$wp_admin_bar->add_menus();

	return true;
}

/**
 * Renders the admin bar to the page based on the $wp_admin_bar->menu member var.
 *
 * This is called very early on the {@see 'wp_body_open'} action so that it will render
 * before anything else being added to the page body.
 *
 * For backward compatibility with themes not using the 'wp_body_open' action,
 * the function is also called late on {@see 'wp_footer'}.
 *
 * It includes the {@see 'admin_bar_menu'} action which should be used to hook in and
 * add new menus to the admin bar. That way you can be sure that you are adding at most
 * optimal point, right before the admin bar is rendered. This also gives you access to
 * the `$post` global, among others.
 *
 * @since 3.1.0
 * @since 5.4.0 Called on 'wp_body_open' action first, with 'wp_footer' as a fallback.
 *
 * @global WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_render() {
	global $wp_admin_bar;
	static $rendered = false;

	if ( $rendered ) {
		return;
	}

	if ( ! is_admin_bar_showing() || ! is_object( $wp_admin_bar ) ) {
		return;
	}

	/**
	 * Loads all necessary admin bar items.
	 *
	 * This is the hook used to add, remove, or manipulate admin bar items.
	 *
	 * @since 3.1.0
	 *
	 * @param WP_Admin_Bar $wp_admin_bar The WP_Admin_Bar instance, passed by reference.
	 */
	do_action_ref_array( 'admin_bar_menu', array( &$wp_admin_bar ) );

	/**
	 * Fires before the admin bar is rendered.
	 *
	 * @since 3.1.0
	 */
	do_action( 'wp_before_admin_bar_render' );

	$wp_admin_bar->render();

	/**
	 * Fires after the admin bar is rendered.
	 *
	 * @since 3.1.0
	 */
	do_action( 'wp_after_admin_bar_render' );

	$rendered = true;
}

/**
 * Adds the WordPress logo menu.
 *
 * @since 3.3.0
 *
 * @param WP_Admin_Bar $wp_admin_bar The WP_Admin_Bar instance.
 */
function wp_admin_bar_wp_menu( $wp_admin_bar ) {
	if ( current_user_can( 'read' ) ) {
		$about_url      = self_admin_url( 'about.php' );
		$contribute_url = self_admin_url( 'contribute.php' );
	} elseif ( is_multisite() ) {
		$about_url      = get_dashboard_url( get_current_user_id(), 'about.php' );
		$contribute_url = get_dashboard_url( get_current_user_id(), 'contribute.php' );
	} else {
		$about_url      = false;
		$contribute_url = false;
	}

	$wp_logo_menu_args = array(
		'id'    => 'wp-logo',
		'title' => '<span class="ab-icon" aria-hidden="true"></span><span class="screen-reader-text">' .
				/* translators: Hidden accessibility text. */
				__( 'About WordPress' ) .
			'</span>',
		'href'  => $about_url,
		'meta'  => array(
			'menu_title' => __( 'About WordPress' ),
		),
	);

	// Set tabindex="0" to make sub menus accessible when no URL is available.
	if ( ! $about_url ) {
		$wp_logo_menu_args['meta'] = array(
			'tabindex' => 0,
		);
	}

	$wp_admin_bar->add_node( $wp_logo_menu_args );

	if ( $about_url ) {
		// Add "About WordPress" link.
		$wp_admin_bar->add_node(
			array(
				'parent' => 'wp-logo',
				'id'     => 'about',
				'title'  => __( 'About WordPress' ),
				'href'   => $about_url,
			)
		);
	}

	if ( $contribute_url ) {
		// Add contribute link.
		$wp_admin_bar->add_node(
			array(
				'parent' => 'wp-logo',
				'id'     => 'contribute',
				'title'  => __( 'Get Involved' ),
				'href'   => $contribute_url,
			)
		);
	}

	// Add WordPress.org link.
	$wp_admin_bar->add_node(
		array(
			'parent' => 'wp-logo-external',
			'id'     => 'wporg',
			'title'  => __( 'WordPress.org' ),
			'href'   => __( 'https://wordpress.org/' ),
		)
	);

	// Add documentation link.
	$wp_admin_bar->add_node(
		array(
			'parent' => 'wp-logo-external',
			'id'     => 'documentation',
			'title'  => __( 'Documentation' ),
			'href'   => __( 'https://wordpress.org/documentation/' ),
		)
	);

	// Add learn link.
	$wp_admin_bar->add_node(
		array(
			'parent' => 'wp-logo-external',
			'id'     => 'learn',
			'title'  => __( 'Learn WordPress' ),
			'href'   => 'https://learn.wordpress.org/',
		)
	);

	// Add forums link.
	$wp_admin_bar->add_node(
		array(
			'parent' => 'wp-logo-external',
			'id'     => 'support-forums',
			'title'  => __( 'Support' ),
			'href'   => __( 'https://wordpress.org/support/forums/' ),
		)
	);

	// Add feedback link.
	$wp_admin_bar->add_node(
		array(
			'parent' => 'wp-logo-external',
			'id'     => 'feedback',
			'title'  => __( 'Feedback' ),
			'href'   => __( 'https://wordpress.org/support/forum/requests-and-feedback' ),
		)
	);
}

/**
 * Adds the sidebar toggle button.
 *
 * @since 3.8.0
 *
 * @param WP_Admin_Bar $wp_admin_bar The WP_Admin_Bar instance.
 */
function wp_admin_bar_sidebar_toggle( $wp_admin_bar ) {
	if ( is_admin() ) {
		$wp_admin_bar->add_node(
			array(
				'id'    => 'menu-toggle',
				'title' => '<span class="ab-icon" aria-hidden="true"></span><span class="screen-reader-text">' .
						/* translators: Hidden accessibility text. */
						__( 'Menu' ) .
					'</span>',
				'href'  => '#',
			)
		);
	}
}

/**
 * Adds the "My Account" item.
 *
 * @since 3.3.0
 *
 * @param WP_Admin_Bar $wp_admin_bar The WP_Admin_Bar instance.
 */
function wp_admin_bar_my_account_item( $wp_admin_bar ) {
	$user_id      = get_current_user_id();
	$current_user = wp_get_current_user();

	if ( ! $user_id ) {
		return;
	}

	if ( current_user_can( 'read' ) ) {
		$profile_url = get_edit_profile_url( $user_id );
	} elseif ( is_multisite() ) {
		$profile_url = get_dashboard_url( $user_id, 'profile.php' );
	} else {
		$profile_url = false;
	}

	$avatar = get_avatar( $user_id, 26 );
	/* translators: %s: Current user's display name. */
	$howdy = sprintf( __( 'Howdy, %s' ), '<span class="display-name">' . $current_user->display_name . '</span>' );
	$class = empty( $avatar ) ? '' : 'with-avatar';

	$wp_admin_bar->add_node(
		array(
			'id'     => 'my-account',
			'parent' => 'top-secondary',
			'title'  => $howdy . $avatar,
			'href'   => $profile_url,
			'meta'   => array(
				'class'      => $class,
				/* translators: %s: Current user's display name. */
				'menu_title' => sprintf( __( 'Howdy, %s' ), $current_user->display_name ),
				'tabindex'   => ( false !== $profile_url ) ? '' : 0,
			),
		)
	);
}

/**
 * Adds the "My Account" submenu items.
 *
 * @since 3.1.0
 *
 * @param WP_Admin_Bar $wp_admin_bar The WP_Admin_Bar instance.
 */
function wp_admin_bar_my_account_menu( $wp_admin_bar ) {
	$user_id      = get_current_user_id();
	$current_user = wp_get_current_user();

	if ( ! $user_id ) {
		return;
	}

	if ( current_user_can( 'read' ) ) {
		$profile_url = get_edit_profile_url( $user_id );
	} elseif ( is_multisite() ) {
		$profile_url = get_dashboard_url( $user_id, 'profile.php' );
	} else {
		$profile_url = false;
	}

	$wp_admin_bar->add_group(
		array(
			'parent' => 'my-account',
			'id'     => 'user-actions',
		)
	);

	$user_info  = get_avatar( $user_id, 64 );
	$user_info .= "<span class='display-name'>{$current_user->display_name}</span>";

	if ( $current_user->display_name !== $current_user->user_login ) {
		$user_info .= "<span class='username'>{$current_user->user_login}</span>";
	}

	if ( false !== $profile_url ) {
		$user_info .= "<span class='display-name edit-profile'>" . __( 'Edit Profile' ) . '</span>';
	}

	$wp_admin_bar->add_node(
		array(
			'parent' => 'user-actions',
			'id'     => 'user-info',
			'title'  => $user_info,
			'href'   => $profile_url,
		)
	);

	$wp_admin_bar->add_node(
		array(
			'parent' => 'user-actions',
			'id'     => 'logout',
			'title'  => __( 'Log Out' ),
			'href'   => wp_logout_url(),
		)
	);
}

/**
 * Adds the "Site Name" menu.
 *
 * @since 3.3.0
 *
 * @param WP_Admin_Bar $wp_admin_bar The WP_Admin_Bar instance.
 */
function wp_admin_bar_site_menu( $wp_admin_bar ) {
	// Don't show for logged out users.
	if ( ! is_user_logged_in() ) {
		return;
	}

	// Show only when the user is a member of this site, or they're a super admin.
	if ( ! is_user_member_of_blog() && ! current_user_can( 'manage_network' ) ) {
		return;
	}

	$blogname = get_bloginfo( 'name' );

	if ( ! $blogname ) {
		$blogname = preg_replace( '#^(https?://)?(www.)?#', '', get_home_url() );
	}

	if ( is_network_admin() ) {
		/* translators: %s: Site title. */
		$blogname = sprintf( __( 'Network Admin: %s' ), esc_html( get_network()->site_name ) );
	} elseif ( is_user_admin() ) {
		/* translators: %s: Site title. */
		$blogname = sprintf( __( 'User Dashboard: %s' ), esc_html( get_network()->site_name ) );
	}

	$title = wp_html_excerpt( $blogname, 40, '&hellip;' );

	$wp_admin_bar->add_node(
		array(
			'id'    => 'site-name',
			'title' => $title,
			'href'  => ( is_admin() || ! current_user_can( 'read' ) ) ? home_url( '/' ) : admin_url(),
			'meta'  => array(
				'menu_title' => $title,
			),
		)
	);

	// Create submenu items.

	if ( is_admin() ) {
		// Add an option to visit the site.
		$wp_admin_bar->add_node(
			array(
				'parent' => 'site-name',
				'id'     => 'view-site',
				'title'  => __( 'Visit Site' ),
				'href'   => home_url( '/' ),
			)
		);

		if ( is_blog_admin() && is_multisite() && current_user_can( 'manage_sites' ) ) {
			$wp_admin_bar->add_node(
				array(
					'parent' => 'site-name',
					'id'     => 'edit-site',
					'title'  => __( 'Edit Site' ),
					'href'   => network_admin_url( 'site-info.php?id=' . get_current_blog_id() ),
				)
			);
		}
	} elseif ( current_user_can( 'read' ) ) {
		// We're on the front end, link to the Dashboard.
		$wp_admin_bar->add_node(
			array(
				'parent' => 'site-name',
				'id'     => 'dashboard',
				'title'  => __( 'Dashboard' ),
				'href'   => admin_url(),
			)
		);

		// Add the appearance submenu items.
		wp_admin_bar_appearance_menu( $wp_admin_bar );

		// Add a Plugins link.
		if ( current_user_can( 'activate_plugins' ) ) {
			$wp_admin_bar->add_node(
				array(
					'parent' => 'site-name',
					'id'     => 'plugins',
					'title'  => __( 'Plugins' ),
					'href'   => admin_url( 'plugins.php' ),
				)
			);
		}
	}
}

/**
 * Adds the "Edit site" link to the Toolbar.
 *
 * @since 5.9.0
 * @since 6.3.0 Added `$_wp_current_template_id` global for editing of current template directly from the admin bar.
 *
 * @global string $_wp_current_template_id
 *
 * @param WP_Admin_Bar $wp_admin_bar The WP_Admin_Bar instance.
 */
function wp_admin_bar_edit_site_menu( $wp_admin_bar ) {
	global $_wp_current_template_id;

	// Don't show if a block theme is not activated.
	if ( ! wp_is_block_theme() ) {
		return;
	}

	// Don't show for users who can't edit theme options or when in the admin.
	if ( ! current_user_can( 'edit_theme_options' ) || is_admin() ) {
		return;
	}

	$wp_admin_bar->add_node(
		array(
			'id'    => 'site-editor',
			'title' => __( 'Edit site' ),
			'href'  => add_query_arg(
				array(
					'postType' => 'wp_template',
					'postId'   => $_wp_current_template_id,
				),
				admin_url( 'site-editor.php' )
			),
		)
	);
}

/**
 * Adds the "Customize" link to the Toolbar.
 *
 * @since 4.3.0
 *
 * @global WP_Customize_Manager $wp_customize
 *
 * @param WP_Admin_Bar $wp_admin_bar The WP_Admin_Bar instance.
 */
function wp_admin_bar_customize_menu( $wp_admin_bar ) {
	global $wp_customize;

	// Don't show if a block theme is activated and no plugins use the customizer.
	if ( wp_is_block_theme() && ! has_action( 'customize_register' ) ) {
		return;
	}

	// Don't show for users who can't access the customizer or when in the admin.
	if ( ! current_user_can( 'customize' ) || is_admin() ) {
		return;
	}

	// Don't show if the user cannot edit a given customize_changeset post currently being previewed.
	if ( is_customize_preview() && $wp_customize->changeset_post_id()
		&& ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->edit_post, $wp_customize->changeset_post_id() )
	) {
		return;
	}

	$current_url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
	if ( is_customize_preview() && $wp_customize->changeset_uuid() ) {
		$current_url = remove_query_arg( 'customize_changeset_uuid', $current_url );
	}

	$customize_url = add_query_arg( 'url', urlencode( $current_url ), wp_customize_url() );
	if ( is_customize_preview() ) {
		$customize_url = add_query_arg( array( 'changeset_uuid' => $wp_customize->changeset_uuid() ), $customize_url );
	}

	$wp_admin_bar->add_node(
		array(
			'id'    => 'customize',
			'title' => __( 'Customize' ),
			'href'  => $customize_url,
			'meta'  => array(
				'class' => 'hide-if-no-customize',
			),
		)
	);
	add_action( 'wp_before_admin_bar_render', 'wp_customize_support_script' );
}

/**
 * Adds the "My Sites/[Site Name]" menu and all submenus.
 *
 * @since 3.1.0
 *
 * @param WP_Admin_Bar $wp_admin_bar The WP_Admin_Bar instance.
 */
function wp_admin_bar_my_sites_menu( $wp_admin_bar ) {
	// Don't show for logged out users or single site mode.
	if ( ! is_user_logged_in() || ! is_multisite() ) {
		return;
	}

	// Show only when the user has at least one site, or they're a super admin.
	if ( count( $wp_admin_bar->user->blogs ) < 1 && ! current_user_can( 'manage_network' ) ) {
		return;
	}

	if ( $wp_admin_bar->user->active_blog ) {
		$my_sites_url = get_admin_url( $wp_admin_bar->user->active_blog->blog_id, 'my-sites.php' );
	} else {
		$my_sites_url = admin_url( 'my-sites.php' );
	}

	$wp_admin_bar->add_node(
		array(
			'id'    => 'my-sites',
			'title' => __( 'My Sites' ),
			'href'  => $my_sites_url,
		)
	);

	if ( current_user_can( 'manage_network' ) ) {
		$wp_admin_bar->add_group(
			array(
				'parent' => 'my-sites',
				'id'     => 'my-sites-super-admin',
			)
		);

		$wp_admin_bar->add_node(
			array(
				'parent' => 'my-sites-super-admin',
				'id'     => 'network-admin',
				'title'  => __( 'Network Admin' ),
				'href'   => network_admin_url(),
			)
		);

		$wp_admin_bar->add_node(
			array(
				'parent' => 'network-admin',
				'id'     => 'network-admin-d',
				'title'  => __( 'Dashboard' ),
				'href'   => network_admin_url(),
			)
		);

		if ( current_user_can( 'manage_sites' ) ) {
			$wp_admin_bar->add_node(
				array(
					'parent' => 'network-admin',
					'id'     => 'network-admin-s',
					'title'  => __( 'Sites' ),
					'href'   => network_admin_url( 'sites.php' ),
				)
			);
		}

		if ( current_user_can( 'manage_network_users' ) ) {
			$wp_admin_bar->add_node(
				array(
					'parent' => 'network-admin',
					'id'     => 'network-admin-u',
					'title'  => __( 'Users' ),
					'href'   => network_admin_url( 'users.php' ),
				)
			);
		}

		if ( current_user_can( 'manage_network_themes' ) ) {
			$wp_admin_bar->add_node(
				array(
					'parent' => 'network-admin',
					'id'     => 'network-admin-t',
					'title'  => __( 'Themes' ),
					'href'   => network_admin_url( 'themes.php' ),
				)
			);
		}

		if ( current_user_can( 'manage_network_plugins' ) ) {
			$wp_admin_bar->add_node(
				array(
					'parent' => 'network-admin',
					'id'     => 'network-admin-p',
					'title'  => __( 'Plugins' ),
					'href'   => network_admin_url( 'plugins.php' ),
				)
			);
		}

		if ( current_user_can( 'manage_network_options' ) ) {
			$wp_admin_bar->add_node(
				array(
					'parent' => 'network-admin',
					'id'     => 'network-admin-o',
					'title'  => __( 'Settings' ),
					'href'   => network_admin_url( 'settings.php' ),
				)
			);
		}
	}

	// Add site links.
	$wp_admin_bar->add_group(
		array(
			'parent' => 'my-sites',
			'id'     => 'my-sites-list',
			'meta'   => array(
				'class' => current_user_can( 'manage_network' ) ? 'ab-sub-secondary' : '',
			),
		)
	);

	/**
	 * Filters whether to show the site icons in toolbar.
	 *
	 * Returning false to this hook is the recommended way to hide site icons in the toolbar.
	 * A truthy return may have negative performance impact on large multisites.
	 *
	 * @since 6.0.0
	 *
	 * @param bool $show_site_icons Whether site icons should be shown in the toolbar. Default true.
	 */
	$show_site_icons = apply_filters( 'wp_admin_bar_show_site_icons', true );

	foreach ( (array) $wp_admin_bar->user->blogs as $blog ) {
		switch_to_blog( $blog->userblog_id );

		if ( true === $show_site_icons && has_site_icon() ) {
			$blavatar = sprintf(
				'<img class="blavatar" src="%s" srcset="%s 2x" alt="" width="16" height="16"%s />',
				esc_url( get_site_icon_url( 16 ) ),
				esc_url( get_site_icon_url( 32 ) ),
				( wp_lazy_loading_enabled( 'img', 'site_icon_in_toolbar' ) ? ' loading="lazy"' : '' )
			);
		} else {
			$blavatar = '<div class="blavatar"></div>';
		}

		$blogname = $blog->blogname;

		if ( ! $blogname ) {
			$blogname = preg_replace( '#^(https?://)?(www.)?#', '', get_home_url() );
		}

		$menu_id = 'blog-' . $blog->userblog_id;

		if ( current_user_can( 'read' ) ) {
			$wp_admin_bar->add_node(
				array(
					'parent' => 'my-sites-list',
					'id'     => $menu_id,
					'title'  => $blavatar . $blogname,
					'href'   => admin_url(),
				)
			);

			$wp_admin_bar->add_node(
				array(
					'parent' => $menu_id,
					'id'     => $menu_id . '-d',
					'title'  => __( 'Dashboard' ),
					'href'   => admin_url(),
				)
			);
		} else {
			$wp_admin_bar->add_node(
				array(
					'parent' => 'my-sites-list',
					'id'     => $menu_id,
					'title'  => $blavatar . $blogname,
					'href'   => home_url(),
				)
			);
		}

		if ( current_user_can( get_post_type_object( 'post' )->cap->create_posts ) ) {
			$wp_admin_bar->add_node(
				array(
					'parent' => $menu_id,
					'id'     => $menu_id . '-n',
					'title'  => get_post_type_object( 'post' )->labels->new_item,
					'href'   => admin_url( 'post-new.php' ),
				)
			);
		}

		if ( current_user_can( 'edit_posts' ) ) {
			$wp_admin_bar->add_node(
				array(
					'parent' => $menu_id,
					'id'     => $menu_id . '-c',
					'title'  => __( 'Manage Comments' ),
					'href'   => admin_url( 'edit-comments.php' ),
				)
			);
		}

		$wp_admin_bar->add_node(
			array(
				'parent' => $menu_id,
				'id'     => $menu_id . '-v',
				'title'  => __( 'Visit Site' ),
				'href'   => home_url( '/' ),
			)
		);

		restore_current_blog();
	}
}

/**
 * Provides a shortlink.
 *
 * @since 3.1.0
 *
 * @param WP_Admin_Bar $wp_admin_bar The WP_Admin_Bar instance.
 */
function wp_admin_bar_shortlink_menu( $wp_admin_bar ) {
	$short = wp_get_shortlink( 0, 'query' );
	$id    = 'get-shortlink';

	if ( empty( $short ) ) {
		return;
	}

	$html = '<input class="shortlink-input" type="text" readonly="readonly" value="' . esc_attr( $short ) . '" aria-label="' . __( 'Shortlink' ) . '" />';

	$wp_admin_bar->add_node(
		array(
			'id'    => $id,
			'title' => __( 'Shortlink' ),
			'href'  => $short,
			'meta'  => array( 'html' => $html ),
		)
	);
}

/**
 * Provides an edit link for posts and terms.
 *
 * @since 3.1.0
 * @since 5.5.0 Added a "View Post" link on Comments screen for a single post.
 *
 * @global WP_Term  $tag
 * @global WP_Query $wp_the_query WordPress Query object.
 * @global int      $user_id      The ID of the user being edited. Not to be confused with the
 *                                global $user_ID, which contains the ID of the current user.
 * @global int      $post_id      The ID of the post when editing comments for a single post.
 *
 * @param WP_Admin_Bar $wp_admin_bar The WP_Admin_Bar instance.
 */
function wp_admin_bar_edit_menu( $wp_admin_bar ) {
	global $tag, $wp_the_query, $user_id, $post_id;

	if ( is_admin() ) {
		$current_screen   = get_current_screen();
		$post             = get_post();
		$post_type_object = null;

		if ( 'post' === $current_screen->base ) {
			$post_type_object = get_post_type_object( $post->post_type );
		} elseif ( 'edit' === $current_screen->base ) {
			$post_type_object = get_post_type_object( $current_screen->post_type );
		} elseif ( 'edit-comments' === $current_screen->base && $post_id ) {
			$post = get_post( $post_id );
			if ( $post ) {
				$post_type_object = get_post_type_object( $post->post_type );
			}
		}

		if ( ( 'post' === $current_screen->base || 'edit-comments' === $current_screen->base )
			&& 'add' !== $current_screen->action
			&& ( $post_type_object )
			&& current_user_can( 'read_post', $post->ID )
			&& ( $post_type_object->public )
			&& ( $post_type_object->show_in_admin_bar ) ) {
			if ( 'draft' === $post->post_status ) {
				$preview_link = get_preview_post_link( $post );
				$wp_admin_bar->add_node(
					array(
						'id'    => 'preview',
						'title' => $post_type_object->labels->view_item,
						'href'  => esc_url( $preview_link ),
						'meta'  => array( 'target' => 'wp-preview-' . $post->ID ),
					)
				);
			} else {
				$wp_admin_bar->add_node(
					array(
						'id'    => 'view',
						'title' => $post_type_object->labels->view_item,
						'href'  => get_permalink( $post->ID ),
					)
				);
			}
		} elseif ( 'edit' === $current_screen->base
			&& ( $post_type_object )
			&& ( $post_type_object->public )
			&& ( $post_type_object->show_in_admin_bar )
			&& ( get_post_type_archive_link( $post_type_object->name ) )
			&& ! ( 'post' === $post_type_object->name && 'posts' === get_option( 'show_on_front' ) ) ) {
			$wp_admin_bar->add_node(
				array(
					'id'    => 'archive',
					'title' => $post_type_object->labels->view_items,
					'href'  => get_post_type_archive_link( $current_screen->post_type ),
				)
			);
		} elseif ( 'term' === $current_screen->base && isset( $tag ) && is_object( $tag ) && ! is_wp_error( $tag ) ) {
			$tax = get_taxonomy( $tag->taxonomy );
			if ( is_term_publicly_viewable( $tag ) ) {
				$wp_admin_bar->add_node(
					array(
						'id'    => 'view',
						'title' => $tax->labels->view_item,
						'href'  => get_term_link( $tag ),
					)
				);
			}
		} elseif ( 'user-edit' === $current_screen->base && isset( $user_id ) ) {
			$user_object = get_userdata( $user_id );
			$view_link   = get_author_posts_url( $user_object->ID );
			if ( $user_object->exists() && $view_link ) {
				$wp_admin_bar->add_node(
					array(
						'id'    => 'view',
						'title' => __( 'View User' ),
						'href'  => $view_link,
					)
				);
			}
		}
	} else {
		$current_object = $wp_the_query->get_queried_object();

		if ( empty( $current_object ) ) {
			return;
		}

		if ( ! empty( $current_object->post_type ) ) {
			$post_type_object = get_post_type_object( $current_object->post_type );
			$edit_post_link   = get_edit_post_link( $current_object->ID );
			if ( $post_type_object
				&& $edit_post_link
				&& current_user_can( 'edit_post', $current_object->ID )
				&& $post_type_object->show_in_admin_bar ) {
				$wp_admin_bar->add_node(
					array(
						'id'    => 'edit',
						'title' => $post_type_object->labels->edit_item,
						'href'  => $edit_post_link,
					)
				);
			}
		} elseif ( ! empty( $current_object->taxonomy ) ) {
			$tax            = get_taxonomy( $current_object->taxonomy );
			$edit_term_link = get_edit_term_link( $current_object->term_id, $current_object->taxonomy );
			if ( $tax && $edit_term_link && current_user_can( 'edit_term', $current_object->term_id ) ) {
				$wp_admin_bar->add_node(
					array(
						'id'    => 'edit',
						'title' => $tax->labels->edit_item,
						'href'  => $edit_term_link,
					)
				);
			}
		} elseif ( $current_object instanceof WP_User && current_user_can( 'edit_user', $current_object->ID ) ) {
			$edit_user_link = get_edit_user_link( $current_object->ID );
			if ( $edit_user_link ) {
				$wp_admin_bar->add_node(
					array(
						'id'    => 'edit',
						'title' => __( 'Edit User' ),
						'href'  => $edit_user_link,
					)
				);
			}
		}
	}
}

/**
 * Adds "Add New" menu.
 *
 * @since 3.1.0
 * @since 6.5.0 Added a New Site link for network installations.
 *
 * @param WP_Admin_Bar $wp_admin_bar The WP_Admin_Bar instance.
 */
function wp_admin_bar_new_content_menu( $wp_admin_bar ) {
	$actions = array();

	$cpts = (array) get_post_types( array( 'show_in_admin_bar' => true ), 'objects' );

	if ( isset( $cpts['post'] ) && current_user_can( $cpts['post']->cap->create_posts ) ) {
		$actions['post-new.php'] = array( $cpts['post']->labels->name_admin_bar, 'new-post' );
	}

	if ( isset( $cpts['attachment'] ) && current_user_can( 'upload_files' ) ) {
		$actions['media-new.php'] = array( $cpts['attachment']->labels->name_admin_bar, 'new-media' );
	}

	if ( current_user_can( 'manage_links' ) ) {
		$actions['link-add.php'] = array( _x( 'Link', 'add new from admin bar' ), 'new-link' );
	}

	if ( isset( $cpts['page'] ) && current_user_can( $cpts['page']->cap->create_posts ) ) {
		$actions['post-new.php?post_type=page'] = array( $cpts['page']->labels->name_admin_bar, 'new-page' );
	}

	unset( $cpts['post'], $cpts['page'], $cpts['attachment'] );

	// Add any additional custom post types.
	foreach ( $cpts as $cpt ) {
		if ( ! current_user_can( $cpt->cap->create_posts ) ) {
			continue;
		}

		$key             = 'post-new.php?post_type=' . $cpt->name;
		$actions[ $key ] = array( $cpt->labels->name_admin_bar, 'new-' . $cpt->name );
	}
	// Avoid clash with parent node and a 'content' post type.
	if ( isset( $actions['post-new.php?post_type=content'] ) ) {
		$actions['post-new.php?post_type=content'][1] = 'add-new-content';
	}

	if ( current_user_can( 'create_users' ) || ( is_multisite() && current_user_can( 'promote_users' ) ) ) {
		$actions['user-new.php'] = array( _x( 'User', 'add new from admin bar' ), 'new-user' );
	}

	if ( ! $actions ) {
		return;
	}

	$title = '<span class="ab-icon" aria-hidden="true"></span><span class="ab-label">' . _x( 'New', 'admin bar menu group label' ) . '</span>';

	$wp_admin_bar->add_node(
		array(
			'id'    => 'new-content',
			'title' => $title,
			'href'  => admin_url( current( array_keys( $actions ) ) ),
			'meta'  => array(
				'menu_title' => _x( 'New', 'admin bar menu group label' ),
			),
		)
	);

	foreach ( $actions as $link => $action ) {
		list( $title, $id ) = $action;

		$wp_admin_bar->add_node(
			array(
				'parent' => 'new-content',
				'id'     => $id,
				'title'  => $title,
				'href'   => admin_url( $link ),
			)
		);
	}

	if ( is_multisite() && current_user_can( 'create_sites' ) ) {
		$wp_admin_bar->add_node(
			array(
				'parent' => 'new-content',
				'id'     => 'add-new-site',
				'title'  => _x( 'Site', 'add new from admin bar' ),
				'href'   => network_admin_url( 'site-new.php' ),
			)
		);
	}
}

/**
 * Adds edit comments link with awaiting moderation count bubble.
 *
 * @since 3.1.0
 *
 * @param WP_Admin_Bar $wp_admin_bar The WP_Admin_Bar instance.
 */
function wp_admin_bar_comments_menu( $wp_admin_bar ) {
	if ( ! current_user_can( 'edit_posts' ) ) {
		return;
	}

	$awaiting_mod  = wp_count_comments();
	$awaiting_mod  = $awaiting_mod->moderated;
	$awaiting_text = sprintf(
		/* translators: Hidden accessibility text. %s: Number of comments. */
		_n( '%s Comment in moderation', '%s Comments in moderation', $awaiting_mod ),
		number_format_i18n( $awaiting_mod )
	);

	$icon   = '<span class="ab-icon" aria-hidden="true"></span>';
	$title  = '<span class="ab-label awaiting-mod pending-count count-' . $awaiting_mod . '" aria-hidden="true">' . number_format_i18n( $awaiting_mod ) . '</span>';
	$title .= '<span class="screen-reader-text comments-in-moderation-text">' . $awaiting_text . '</span>';

	$wp_admin_bar->add_node(
		array(
			'id'    => 'comments',
			'title' => $icon . $title,
			'href'  => admin_url( 'edit-comments.php' ),
		)
	);
}

/**
 * Adds appearance submenu items to the "Site Name" menu.
 *
 * @since 3.1.0
 *
 * @param WP_Admin_Bar $wp_admin_bar The WP_Admin_Bar instance.
 */
function wp_admin_bar_appearance_menu( $wp_admin_bar ) {
	$wp_admin_bar->add_group(
		array(
			'parent' => 'site-name',
			'id'     => 'appearance',
		)
	);

	if ( current_user_can( 'switch_themes' ) ) {
		$wp_admin_bar->add_node(
			array(
				'parent' => 'appearance',
				'id'     => 'themes',
				'title'  => __( 'Themes' ),
				'href'   => admin_url( 'themes.php' ),
			)
		);
	}

	if ( ! current_user_can( 'edit_theme_options' ) ) {
		return;
	}

	if ( current_theme_supports( 'widgets' ) ) {
		$wp_admin_bar->add_node(
			array(
				'parent' => 'appearance',
				'id'     => 'widgets',
				'title'  => __( 'Widgets' ),
				'href'   => admin_url( 'widgets.php' ),
			)
		);
	}

	if ( current_theme_supports( 'menus' ) || current_theme_supports( 'widgets' ) ) {
		$wp_admin_bar->add_node(
			array(
				'parent' => 'appearance',
				'id'     => 'menus',
				'title'  => __( 'Menus' ),
				'href'   => admin_url( 'nav-menus.php' ),
			)
		);
	}

	if ( current_theme_supports( 'custom-background' ) ) {
		$wp_admin_bar->add_node(
			array(
				'parent' => 'appearance',
				'id'     => 'background',
				'title'  => _x( 'Background', 'custom background' ),
				'href'   => admin_url( 'themes.php?page=custom-background' ),
				'meta'   => array(
					'class' => 'hide-if-customize',
				),
			)
		);
	}

	if ( current_theme_supports( 'custom-header' ) ) {
		$wp_admin_bar->add_node(
			array(
				'parent' => 'appearance',
				'id'     => 'header',
				'title'  => _x( 'Header', 'custom image header' ),
				'href'   => admin_url( 'themes.php?page=custom-header' ),
				'meta'   => array(
					'class' => 'hide-if-customize',
				),
			)
		);
	}
}

/**
 * Provides an update link if theme/plugin/core updates are available.
 *
 * @since 3.1.0
 *
 * @param WP_Admin_Bar $wp_admin_bar The WP_Admin_Bar instance.
 */
function wp_admin_bar_updates_menu( $wp_admin_bar ) {

	$update_data = wp_get_update_data();

	if ( ! $update_data['counts']['total'] ) {
		return;
	}

	$updates_text = sprintf(
		/* translators: Hidden accessibility text. %s: Total number of updates available. */
		_n( '%s update available', '%s updates available', $update_data['counts']['total'] ),
		number_format_i18n( $update_data['counts']['total'] )
	);

	$icon   = '<span class="ab-icon" aria-hidden="true"></span>';
	$title  = '<span class="ab-label" aria-hidden="true">' . number_format_i18n( $update_data['counts']['total'] ) . '</span>';
	$title .= '<span class="screen-reader-text updates-available-text">' . $updates_text . '</span>';

	$wp_admin_bar->add_node(
		array(
			'id'    => 'updates',
			'title' => $icon . $title,
			'href'  => network_admin_url( 'update-core.php' ),
		)
	);
}

/**
 * Adds search form.
 *
 * @since 3.3.0
 *
 * @param WP_Admin_Bar $wp_admin_bar The WP_Admin_Bar instance.
 */
function wp_admin_bar_search_menu( $wp_admin_bar ) {
	if ( is_admin() ) {
		return;
	}

	$form  = '<form action="' . esc_url( home_url( '/' ) ) . '" method="get" id="adminbarsearch">';
	$form .= '<input class="adminbar-input" name="s" id="adminbar-search" type="text" value="" maxlength="150" />';
	$form .= '<label for="adminbar-search" class="screen-reader-text">' .
			/* translators: Hidden accessibility text. */
			__( 'Search' ) .
		'</label>';
	$form .= '<input type="submit" class="adminbar-button" value="' . __( 'Search' ) . '" />';
	$form .= '</form>';

	$wp_admin_bar->add_node(
		array(
			'parent' => 'top-secondary',
			'id'     => 'search',
			'title'  => $form,
			'meta'   => array(
				'class'    => 'admin-bar-search',
				'tabindex' => -1,
			),
		)
	);
}

/**
 * Adds a link to exit recovery mode when Recovery Mode is active.
 *
 * @since 5.2.0
 *
 * @param WP_Admin_Bar $wp_admin_bar The WP_Admin_Bar instance.
 */
function wp_admin_bar_recovery_mode_menu( $wp_admin_bar ) {
	if ( ! wp_is_recovery_mode() ) {
		return;
	}

	$url = wp_login_url();
	$url = add_query_arg( 'action', WP_Recovery_Mode::EXIT_ACTION, $url );
	$url = wp_nonce_url( $url, WP_Recovery_Mode::EXIT_ACTION );

	$wp_admin_bar->add_node(
		array(
			'parent' => 'top-secondary',
			'id'     => 'recovery-mode',
			'title'  => __( 'Exit Recovery Mode' ),
			'href'   => $url,
		)
	);
}

/**
 * Adds secondary menus.
 *
 * @since 3.3.0
 *
 * @param WP_Admin_Bar $wp_admin_bar The WP_Admin_Bar instance.
 */
function wp_admin_bar_add_secondary_groups( $wp_admin_bar ) {
	$wp_admin_bar->add_group(
		array(
			'id'   => 'top-secondary',
			'meta' => array(
				'class' => 'ab-top-secondary',
			),
		)
	);

	$wp_admin_bar->add_group(
		array(
			'parent' => 'wp-logo',
			'id'     => 'wp-logo-external',
			'meta'   => array(
				'class' => 'ab-sub-secondary',
			),
		)
	);
}

/**
 * Enqueues inline style to hide the admin bar when printing.
 *
 * @since 6.4.0
 */
function wp_enqueue_admin_bar_header_styles() {
	// Back-compat for plugins that disable functionality by unhooking this action.
	$action = is_admin() ? 'admin_head' : 'wp_head';
	if ( ! has_action( $action, 'wp_admin_bar_header' ) ) {
		return;
	}
	remove_action( $action, 'wp_admin_bar_header' );

	wp_add_inline_style( 'admin-bar', '@media print { #wpadminbar { display:none; } }' );
}

/**
 * Enqueues inline bump styles to make room for the admin bar.
 *
 * @since 6.4.0
 */
function wp_enqueue_admin_bar_bump_styles() {
	if ( current_theme_supports( 'admin-bar' ) ) {
		$admin_bar_args  = get_theme_support( 'admin-bar' );
		$header_callback = $admin_bar_args[0]['callback'];
	}

	if ( empty( $header_callback ) ) {
		$header_callback = '_admin_bar_bump_cb';
	}

	if ( '_admin_bar_bump_cb' !== $header_callback ) {
		return;
	}

	// Back-compat for plugins that disable functionality by unhooking this action.
	if ( ! has_action( 'wp_head', $header_callback ) ) {
		return;
	}
	remove_action( 'wp_head', $header_callback );

	$css = '
		@media screen { html { margin-top: 32px !important; } }
		@media screen and ( max-width: 782px ) { html { margin-top: 46px !important; } }
	';
	wp_add_inline_style( 'admin-bar', $css );
}

/**
 * Sets the display status of the admin bar.
 *
 * This can be called immediately upon plugin load. It does not need to be called
 * from a function hooked to the {@see 'init'} action.
 *
 * @since 3.1.0
 *
 * @global bool $show_admin_bar
 *
 * @param bool $show Whether to allow the admin bar to show.
 */
function show_admin_bar( $show ) {
	global $show_admin_bar;
	$show_admin_bar = (bool) $show;
}

/**
 * Determines whether the admin bar should be showing.
 *
 * For more information on this and similar theme functions, check out
 * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
 * Conditional Tags} article in the Theme Developer Handbook.
 *
 * @since 3.1.0
 *
 * @global bool   $show_admin_bar
 * @global string $pagenow        The filename of the current screen.
 *
 * @return bool Whether the admin bar should be showing.
 */
function is_admin_bar_showing() {
	global $show_admin_bar, $pagenow;

	// For all these types of requests, we never want an admin bar.
	if ( defined( 'XMLRPC_REQUEST' ) || defined( 'DOING_AJAX' ) || defined( 'IFRAME_REQUEST' ) || wp_is_json_request() ) {
		return false;
	}

	if ( is_embed() ) {
		return false;
	}

	// Integrated into the admin.
	if ( is_admin() ) {
		return true;
	}

	if ( ! isset( $show_admin_bar ) ) {
		if ( ! is_user_logged_in() || 'wp-login.php' === $pagenow ) {
			$show_admin_bar = false;
		} else {
			$show_admin_bar = _get_admin_bar_pref();
		}
	}

	/**
	 * Filters whether to show the admin bar.
	 *
	 * Returning false to this hook is the recommended way to hide the admin bar.
	 * The user's display preference is used for logged in users.
	 *
	 * @since 3.1.0
	 *
	 * @param bool $show_admin_bar Whether the admin bar should be shown. Default false.
	 */
	$show_admin_bar = apply_filters( 'show_admin_bar', $show_admin_bar );

	return $show_admin_bar;
}

/**
 * Retrieves the admin bar display preference of a user.
 *
 * @since 3.1.0
 * @access private
 *
 * @param string $context Context of this preference check. Defaults to 'front'. The 'admin'
 *                        preference is no longer used.
 * @param int    $user    Optional. ID of the user to check, defaults to 0 for current user.
 * @return bool Whether the admin bar should be showing for this user.
 */
function _get_admin_bar_pref( $context = 'front', $user = 0 ) {
	$pref = get_user_option( "show_admin_bar_{$context}", $user );
	if ( false === $pref ) {
		return true;
	}

	return 'true' === $pref;
}