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<?php
/**
 * A simple set of functions to check the WordPress.org Version Update service.
 *
 * @package WordPress
 * @since 2.3.0
 */

// Don't load directly.
if ( ! defined( 'ABSPATH' ) ) {
	die( '-1' );
}

/**
 * Checks WordPress version against the newest version.
 *
 * The WordPress version, PHP version, and locale is sent to api.wordpress.org.
 *
 * Checks against the WordPress server at api.wordpress.org. Will only check
 * if WordPress isn't installing.
 *
 * @since 2.3.0
 *
 * @global string $wp_version       Used to check against the newest WordPress version.
 * @global wpdb   $wpdb             WordPress database abstraction object.
 * @global string $wp_local_package Locale code of the package.
 *
 * @param array $extra_stats Extra statistics to report to the WordPress.org API.
 * @param bool  $force_check Whether to bypass the transient cache and force a fresh update check.
 *                           Defaults to false, true if $extra_stats is set.
 */
function wp_version_check( $extra_stats = array(), $force_check = false ) {
	global $wpdb, $wp_local_package;

if ( wp_installing() ) {
		return;
	}

$php_version = PHP_VERSION;

$current      = get_site_transient( 'update_core' );
	$translations = wp_get_installed_translations( 'core' );

// Invalidate the transient when $wp_version changes.
	if ( is_object( $current ) && wp_get_wp_version() !== $current->version_checked ) {
		$current = false;
	}

if ( ! is_object( $current ) ) {
		$current                  = new stdClass();
		$current->updates         = array();
		$current->version_checked = wp_get_wp_version();
	}

if ( ! empty( $extra_stats ) ) {
		$force_check = true;
	}

// Wait 1 minute between multiple version check requests.
	$timeout          = MINUTE_IN_SECONDS;
	$time_not_changed = isset( $current->last_checked ) && $timeout > ( time() - $current->last_checked );

if ( ! $force_check && $time_not_changed ) {
		return;
	}

/**
	 * Filters the locale requested for WordPress core translations.
	 *
	 * @since 2.8.0
	 *
	 * @param string $locale Current locale.
	 */
	$locale = apply_filters( 'core_version_check_locale', get_locale() );

// Update last_checked for current to prevent multiple blocking requests if request hangs.
	$current->last_checked = time();
	set_site_transient( 'update_core', $current );

if ( method_exists( $wpdb, 'db_server_info' ) ) {
		$mysql_version = $wpdb->db_server_info();
	} elseif ( method_exists( $wpdb, 'db_version' ) ) {
		$mysql_version = preg_replace( '/[^0-9.].*/', '', $wpdb->db_version() );
	} else {
		$mysql_version = 'N/A';
	}

if ( is_multisite() ) {
		$num_blogs         = get_blog_count();
		$wp_install        = network_site_url();
		$multisite_enabled = 1;
	} else {
		$multisite_enabled = 0;
		$num_blogs         = 1;
		$wp_install        = home_url( '/' );
	}

$extensions = get_loaded_extensions();
	sort( $extensions, SORT_STRING | SORT_FLAG_CASE );
	$query = array(
		'version'            => wp_get_wp_version(),
		'php'                => $php_version,
		'locale'             => $locale,
		'mysql'              => $mysql_version,
		'local_package'      => isset( $wp_local_package ) ? $wp_local_package : '',
		'blogs'              => $num_blogs,
		'users'              => get_user_count(),
		'multisite_enabled'  => $multisite_enabled,
		'initial_db_version' => get_site_option( 'initial_db_version' ),
		'extensions'         => array_combine( $extensions, array_map( 'phpversion', $extensions ) ),
		'platform_flags'     => array(
			'os'   => PHP_OS,
			'bits' => PHP_INT_SIZE === 4 ? 32 : 64,
		),
		'image_support'      => array(),
	);

if ( function_exists( 'gd_info' ) ) {
		$gd_info = gd_info();
		// Filter to supported values.
		$gd_info = array_filter( $gd_info );

// Add data for GD WebP, AVIF, HEIC and JPEG XL support.
		$query['image_support']['gd'] = array_keys(
			array_filter(
				array(
					'webp' => isset( $gd_info['WebP Support'] ),
					'avif' => isset( $gd_info['AVIF Support'] ),
					'heic' => isset( $gd_info['HEIC Support'] ),
					'jxl'  => isset( $gd_info['JXL Support'] ),
				)
			)
		);
	}

if ( class_exists( 'Imagick' ) ) {
		// Add data for Imagick WebP, AVIF, HEIC and JPEG XL support.
		$query['image_support']['imagick'] = array_keys(
			array_filter(
				array(
					'webp' => ! empty( Imagick::queryFormats( 'WEBP' ) ),
					'avif' => ! empty( Imagick::queryFormats( 'AVIF' ) ),
					'heic' => ! empty( Imagick::queryFormats( 'HEIC' ) ),
					'jxl'  => ! empty( Imagick::queryFormats( 'JXL' ) ),
				)
			)
		);
	}

/**
	 * Filters the query arguments sent as part of the core version check.
	 *
	 * WARNING: Changing this data may result in your site not receiving security updates.
	 * Please exercise extreme caution.
	 *
	 * @since 4.9.0
	 * @since 6.1.0 Added `$extensions`, `$platform_flags`, and `$image_support` to the `$query` parameter.
	 *
	 * @param array $query {
	 *     Version check query arguments.
	 *
	 *     @type string $version            WordPress version number.
	 *     @type string $php                PHP version number.
	 *     @type string $locale             The locale to retrieve updates for.
	 *     @type string $mysql              MySQL version number.
	 *     @type string $local_package      The value of the $wp_local_package global, when set.
	 *     @type int    $blogs              Number of sites on this WordPress installation.
	 *     @type int    $users              Number of users on this WordPress installation.
	 *     @type int    $multisite_enabled  Whether this WordPress installation uses Multisite.
	 *     @type int    $initial_db_version Database version of WordPress at time of installation.
	 *     @type array  $extensions         List of PHP extensions and their versions.
	 *     @type array  $platform_flags     List containing the operating system name and bit support.
	 *     @type array  $image_support      List of image formats supported by GD and Imagick.
	 * }
	 */
	$query = apply_filters( 'core_version_check_query_args', $query );

$post_body = array(
		'translations' => wp_json_encode( $translations ),
	);

if ( is_array( $extra_stats ) ) {
		$post_body = array_merge( $post_body, $extra_stats );
	}

// Allow for WP_AUTO_UPDATE_CORE to specify beta/RC/development releases.
	if ( defined( 'WP_AUTO_UPDATE_CORE' )
		&& in_array( WP_AUTO_UPDATE_CORE, array( 'beta', 'rc', 'development', 'branch-development' ), true )
	) {
		$query['channel'] = WP_AUTO_UPDATE_CORE;
	}

$url      = 'http://api.wordpress.org/core/version-check/1.7/?' . http_build_query( $query, '', '&' );
	$http_url = $url;
	$ssl      = wp_http_supports( array( 'ssl' ) );

if ( $ssl ) {
		$url = set_url_scheme( $url, 'https' );
	}

$doing_cron = wp_doing_cron();

$options = array(
		'timeout'    => $doing_cron ? 30 : 3,
		'user-agent' => 'WordPress/' . wp_get_wp_version() . '; ' . home_url( '/' ),
		'headers'    => array(
			'wp_install' => $wp_install,
			'wp_blog'    => home_url( '/' ),
		),
		'body'       => $post_body,
	);

$response = wp_remote_post( $url, $options );

if ( $ssl && is_wp_error( $response ) ) {
		wp_trigger_error(
			__FUNCTION__,
			sprintf(
				/* translators: %s: Support forums URL. */
				__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
				__( 'https://wordpress.org/support/forums/' )
			) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ),
			headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE
		);
		$response = wp_remote_post( $http_url, $options );
	}

if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) {
		return;
	}

$body = trim( wp_remote_retrieve_body( $response ) );
	$body = json_decode( $body, true );

if ( ! is_array( $body ) || ! isset( $body['offers'] ) ) {
		return;
	}

$offers = $body['offers'];

foreach ( $offers as &$offer ) {
		foreach ( $offer as $offer_key => $value ) {
			if ( 'packages' === $offer_key ) {
				$offer['packages'] = (object) array_intersect_key(
					array_map( 'esc_url', $offer['packages'] ),
					array_fill_keys( array( 'full', 'no_content', 'new_bundled', 'partial', 'rollback' ), '' )
				);
			} elseif ( 'download' === $offer_key ) {
				$offer['download'] = esc_url( $value );
			} else {
				$offer[ $offer_key ] = esc_html( $value );
			}
		}
		$offer = (object) array_intersect_key(
			$offer,
			array_fill_keys(
				array(
					'response',
					'download',
					'locale',
					'packages',
					'current',
					'version',
					'php_version',
					'mysql_version',
					'new_bundled',
					'partial_version',
					'notify_email',
					'support_email',
					'new_files',
				),
				''
			)
		);
	}

$updates                  = new stdClass();
	$updates->updates         = $offers;
	$updates->last_checked    = time();
	$updates->version_checked = wp_get_wp_version();

if ( isset( $body['translations'] ) ) {
		$updates->translations = $body['translations'];
	}

set_site_transient( 'update_core', $updates );

if ( ! empty( $body['ttl'] ) ) {
		$ttl = (int) $body['ttl'];

if ( $ttl && ( time() + $ttl < wp_next_scheduled( 'wp_version_check' ) ) ) {
			// Queue an event to re-run the update check in $ttl seconds.
			wp_schedule_single_event( time() + $ttl, 'wp_version_check' );
		}
	}

// Trigger background updates if running non-interactively, and we weren't called from the update handler.
	if ( $doing_cron && ! doing_action( 'wp_maybe_auto_update' ) ) {
		/**
		 * Fires during wp_cron, starting the auto-update process.
		 *
		 * @since 3.9.0
		 */
		do_action( 'wp_maybe_auto_update' );
	}
}

/**
 * Checks for available updates to plugins based on the latest versions hosted on WordPress.org.
 *
 * Despite its name this function does not actually perform any updates, it only checks for available updates.
 *
 * A list of all plugins installed is sent to api.wordpress.org, along with the site locale.
 *
 * Checks against the WordPress server at api.wordpress.org. Will only check
 * if WordPress isn't installing.
 *
 * @since 2.3.0
 *
 * @global string $wp_version The WordPress version string.
 *
 * @param array $extra_stats Extra statistics to report to the WordPress.org API.
 */
function wp_update_plugins( $extra_stats = array() ) {
	if ( wp_installing() ) {
		return;
	}

// If running blog-side, bail unless we've not checked in the last 12 hours.
	if ( ! function_exists( 'get_plugins' ) ) {
		require_once ABSPATH . 'wp-admin/includes/plugin.php';
	}

$plugins      = get_plugins();
	$translations = wp_get_installed_translations( 'plugins' );

$active  = get_option( 'active_plugins', array() );
	$current = get_site_transient( 'update_plugins' );

if ( ! is_object( $current ) ) {
		$current = new stdClass();
	}

$doing_cron = wp_doing_cron();

// Check for update on a different schedule, depending on the page.
	switch ( current_filter() ) {
		case 'upgrader_process_complete':
			$timeout = 0;
			break;
		case 'load-update-core.php':
			$timeout = MINUTE_IN_SECONDS;
			break;
		case 'load-plugins.php':
		case 'load-update.php':
			$timeout = HOUR_IN_SECONDS;
			break;
		default:
			if ( $doing_cron ) {
				$timeout = 2 * HOUR_IN_SECONDS;
			} else {
				$timeout = 12 * HOUR_IN_SECONDS;
			}
	}

$time_not_changed = isset( $current->last_checked ) && $timeout > ( time() - $current->last_checked );

if ( $time_not_changed && ! $extra_stats ) {
		$plugin_changed = false;

foreach ( $plugins as $file => $p ) {
			if ( ! isset( $current->checked[ $file ] ) || (string) $current->checked[ $file ] !== (string) $p['Version'] ) {
				$plugin_changed = true;
			}
		}

if ( isset( $current->response ) && is_array( $current->response ) ) {
			foreach ( $current->response as $plugin_file => $update_details ) {
				if ( ! isset( $plugins[ $plugin_file ] ) ) {
					$plugin_changed = true;
					break;
				}
			}
		}

// Bail if we've checked recently and if nothing has changed.
		if ( ! $plugin_changed ) {
			return;
		}
	}

// Update last_checked for current to prevent multiple blocking requests if request hangs.
	$current->last_checked = time();
	set_site_transient( 'update_plugins', $current );

$to_send = compact( 'plugins', 'active' );

$locales = array_values( get_available_languages() );

/**
	 * Filters the locales requested for plugin translations.
	 *
	 * @since 3.7.0
	 * @since 4.5.0 The default value of the `$locales` parameter changed to include all locales.
	 *
	 * @param string[] $locales Plugin locales. Default is all available locales of the site.
	 */
	$locales = apply_filters( 'plugins_update_check_locales', $locales );
	$locales = array_unique( $locales );

if ( $doing_cron ) {
		$timeout = 30; // 30 seconds.
	} else {
		// Three seconds, plus one extra second for every 10 plugins.
		$timeout = 3 + (int) ( count( $plugins ) / 10 );
	}

$options = array(
		'timeout'    => $timeout,
		'body'       => array(
			'plugins'      => wp_json_encode( $to_send ),
			'translations' => wp_json_encode( $translations ),
			'locale'       => wp_json_encode( $locales ),
			'all'          => wp_json_encode( true ),
		),
		'user-agent' => 'WordPress/' . wp_get_wp_version() . '; ' . home_url( '/' ),
	);

if ( $extra_stats ) {
		$options['body']['update_stats'] = wp_json_encode( $extra_stats );
	}

$url      = 'http://api.wordpress.org/plugins/update-check/1.1/';
	$http_url = $url;
	$ssl      = wp_http_supports( array( 'ssl' ) );

if ( $ssl ) {
		$url = set_url_scheme( $url, 'https' );
	}

$raw_response = wp_remote_post( $url, $options );

if ( $ssl && is_wp_error( $raw_response ) ) {
		wp_trigger_error(
			__FUNCTION__,
			sprintf(
				/* translators: %s: Support forums URL. */
				__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
				__( 'https://wordpress.org/support/forums/' )
			) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ),
			headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE
		);
		$raw_response = wp_remote_post( $http_url, $options );
	}

if ( is_wp_error( $raw_response ) || 200 !== wp_remote_retrieve_response_code( $raw_response ) ) {
		return;
	}

$updates               = new stdClass();
	$updates->last_checked = time();
	$updates->response     = array();
	$updates->translations = array();
	$updates->no_update    = array();
	foreach ( $plugins as $file => $p ) {
		$updates->checked[ $file ] = $p['Version'];
	}

$response = json_decode( wp_remote_retrieve_body( $raw_response ), true );

if ( $response && is_array( $response ) ) {
		$updates->response     = $response['plugins'];
		$updates->translations = $response['translations'];
		$updates->no_update    = $response['no_update'];
	}

// Support updates for any plugins using the `Update URI` header field.
	foreach ( $plugins as $plugin_file => $plugin_data ) {
		if ( ! $plugin_data['UpdateURI'] || isset( $updates->response[ $plugin_file ] ) ) {
			continue;
		}

$hostname = wp_parse_url( sanitize_url( $plugin_data['UpdateURI'] ), PHP_URL_HOST );

/**
		 * Filters the update response for a given plugin hostname.
		 *
		 * The dynamic portion of the hook name, `$hostname`, refers to the hostname
		 * of the URI specified in the `Update URI` header field.
		 *
		 * @since 5.8.0
		 *
		 * @param array|false $update {
		 *     The plugin update data with the latest details. Default false.
		 *
		 *     @type string   $id           Optional. ID of the plugin for update purposes, should be a URI
		 *                                  specified in the `Update URI` header field.
		 *     @type string   $slug         Slug of the plugin.
		 *     @type string   $version      The version of the plugin.
		 *     @type string   $url          The URL for details of the plugin.
		 *     @type string   $package      Optional. The update ZIP for the plugin.
		 *     @type string   $tested       Optional. The version of WordPress the plugin is tested against.
		 *     @type string   $requires_php Optional. The version of PHP which the plugin requires.
		 *     @type bool     $autoupdate   Optional. Whether the plugin should automatically update.
		 *     @type string[] $icons        Optional. Array of plugin icons.
		 *     @type string[] $banners      Optional. Array of plugin banners.
		 *     @type string[] $banners_rtl  Optional. Array of plugin RTL banners.
		 *     @type array    $translations {
		 *         Optional. List of translation updates for the plugin.
		 *
		 *         @type string $language   The language the translation update is for.
		 *         @type string $version    The version of the plugin this translation is for.
		 *                                  This is not the version of the language file.
		 *         @type string $updated    The update timestamp of the translation file.
		 *                                  Should be a date in the `YYYY-MM-DD HH:MM:SS` format.
		 *         @type string $package    The ZIP location containing the translation update.
		 *         @type string $autoupdate Whether the translation should be automatically installed.
		 *     }
		 * }
		 * @param array       $plugin_data      Plugin headers.
		 * @param string      $plugin_file      Plugin filename.
		 * @param string[]    $locales          Installed locales to look up translations for.
		 */
		$update = apply_filters( "update_plugins_{$hostname}", false, $plugin_data, $plugin_file, $locales );

if ( ! $update ) {
			continue;
		}

$update = (object) $update;

// Is it valid? We require at least a version.
		if ( ! isset( $update->version ) ) {
			continue;
		}

// These should remain constant.
		$update->id     = $plugin_data['UpdateURI'];
		$update->plugin = $plugin_file;

// WordPress needs the version field specified as 'new_version'.
		if ( ! isset( $update->new_version ) ) {
			$update->new_version = $update->version;
		}

// Handle any translation updates.
		if ( ! empty( $update->translations ) ) {
			foreach ( $update->translations as $translation ) {
				if ( isset( $translation['language'], $translation['package'] ) ) {
					$translation['type'] = 'plugin';
					$translation['slug'] = isset( $update->slug ) ? $update->slug : $update->id;

$updates->translations[] = $translation;
				}
			}
		}

unset( $updates->no_update[ $plugin_file ], $updates->response[ $plugin_file ] );

if ( version_compare( $update->new_version, $plugin_data['Version'], '>' ) ) {
			$updates->response[ $plugin_file ] = $update;
		} else {
			$updates->no_update[ $plugin_file ] = $update;
		}
	}

$sanitize_plugin_update_payload = static function ( &$item ) {
		$item = (object) $item;

unset( $item->translations, $item->compatibility );

return $item;
	};

array_walk( $updates->response, $sanitize_plugin_update_payload );
	array_walk( $updates->no_update, $sanitize_plugin_update_payload );

set_site_transient( 'update_plugins', $updates );
}

/**
 * Checks for available updates to themes based on the latest versions hosted on WordPress.org.
 *
 * Despite its name this function does not actually perform any updates, it only checks for available updates.
 *
 * A list of all themes installed is sent to api.wordpress.org, along with the site locale.
 *
 * Checks against the WordPress server at api.wordpress.org. Will only check
 * if WordPress isn't installing.
 *
 * @since 2.7.0
 *
 * @global string $wp_version The WordPress version string.
 *
 * @param array $extra_stats Extra statistics to report to the WordPress.org API.
 */
function wp_update_themes( $extra_stats = array() ) {
	if ( wp_installing() ) {
		return;
	}

$installed_themes = wp_get_themes();
	$translations     = wp_get_installed_translations( 'themes' );

$last_update = get_site_transient( 'update_themes' );

if ( ! is_object( $last_update ) ) {
		$last_update = new stdClass();
	}

$themes  = array();
	$checked = array();
	$request = array();

// Put slug of active theme into request.
	$request['active'] = get_option( 'stylesheet' );

foreach ( $installed_themes as $theme ) {
		$checked[ $theme->get_stylesheet() ] = $theme->get( 'Version' );

$themes[ $theme->get_stylesheet() ] = array(
			'Name'       => $theme->get( 'Name' ),
			'Title'      => $theme->get( 'Name' ),
			'Version'    => $theme->get( 'Version' ),
			'Author'     => $theme->get( 'Author' ),
			'Author URI' => $theme->get( 'AuthorURI' ),
			'UpdateURI'  => $theme->get( 'UpdateURI' ),
			'Template'   => $theme->get_template(),
			'Stylesheet' => $theme->get_stylesheet(),
		);
	}

$doing_cron = wp_doing_cron();

// Check for update on a different schedule, depending on the page.
	switch ( current_filter() ) {
		case 'upgrader_process_complete':
			$timeout = 0;
			break;
		case 'load-update-core.php':
			$timeout = MINUTE_IN_SECONDS;
			break;
		case 'load-themes.php':
		case 'load-update.php':
			$timeout = HOUR_IN_SECONDS;
			break;
		default:
			if ( $doing_cron ) {
				$timeout = 2 * HOUR_IN_SECONDS;
			} else {
				$timeout = 12 * HOUR_IN_SECONDS;
			}
	}

$time_not_changed = isset( $last_update->last_checked ) && $timeout > ( time() - $last_update->last_checked );

if ( $time_not_changed && ! $extra_stats ) {
		$theme_changed = false;

foreach ( $checked as $slug => $v ) {
			if ( ! isset( $last_update->checked[ $slug ] ) || (string) $last_update->checked[ $slug ] !== (string) $v ) {
				$theme_changed = true;
			}
		}

if ( isset( $last_update->response ) && is_array( $last_update->response ) ) {
			foreach ( $last_update->response as $slug => $update_details ) {
				if ( ! isset( $checked[ $slug ] ) ) {
					$theme_changed = true;
					break;
				}
			}
		}

// Bail if we've checked recently and if nothing has changed.
		if ( ! $theme_changed ) {
			return;
		}
	}

// Update last_checked for current to prevent multiple blocking requests if request hangs.
	$last_update->last_checked = time();
	set_site_transient( 'update_themes', $last_update );

$request['themes'] = $themes;

$locales = array_values( get_available_languages() );

/**
	 * Filters the locales requested for theme translations.
	 *
	 * @since 3.7.0
	 * @since 4.5.0 The default value of the `$locales` parameter changed to include all locales.
	 *
	 * @param string[] $locales Theme locales. Default is all available locales of the site.
	 */
	$locales = apply_filters( 'themes_update_check_locales', $locales );
	$locales = array_unique( $locales );

if ( $doing_cron ) {
		$timeout = 30; // 30 seconds.
	} else {
		// Three seconds, plus one extra second for every 10 themes.
		$timeout = 3 + (int) ( count( $themes ) / 10 );
	}

$options = array(
		'timeout'    => $timeout,
		'body'       => array(
			'themes'       => wp_json_encode( $request ),
			'translations' => wp_json_encode( $translations ),
			'locale'       => wp_json_encode( $locales ),
		),
		'user-agent' => 'WordPress/' . wp_get_wp_version() . '; ' . home_url( '/' ),
	);

if ( $extra_stats ) {
		$options['body']['update_stats'] = wp_json_encode( $extra_stats );
	}

$url      = 'http://api.wordpress.org/themes/update-check/1.1/';
	$http_url = $url;
	$ssl      = wp_http_supports( array( 'ssl' ) );

if ( $ssl ) {
		$url = set_url_scheme( $url, 'https' );
	}

$raw_response = wp_remote_post( $url, $options );

if ( is_wp_error( $raw_response ) || 200 !== wp_remote_retrieve_response_code( $raw_response ) ) {
		return;
	}

$new_update               = new stdClass();
	$new_update->last_checked = time();
	$new_update->checked      = $checked;

$response = json_decode( wp_remote_retrieve_body( $raw_response ), true );

if ( is_array( $response ) ) {
		$new_update->response     = $response['themes'];
		$new_update->no_update    = $response['no_update'];
		$new_update->translations = $response['translations'];
	}

// Support updates for any themes using the `Update URI` header field.
	foreach ( $themes as $theme_stylesheet => $theme_data ) {
		if ( ! $theme_data['UpdateURI'] || isset( $new_update->response[ $theme_stylesheet ] ) ) {
			continue;
		}

$hostname = wp_parse_url( sanitize_url( $theme_data['UpdateURI'] ), PHP_URL_HOST );

/**
		 * Filters the update response for a given theme hostname.
		 *
		 * The dynamic portion of the hook name, `$hostname`, refers to the hostname
		 * of the URI specified in the `Update URI` header field.
		 *
		 * @since 6.1.0
		 *
		 * @param array|false $update {
		 *     The theme update data with the latest details. Default false.
		 *
		 *     @type string $id           Optional. ID of the theme for update purposes, should be a URI
		 *                                specified in the `Update URI` header field.
		 *     @type string $theme        Directory name of the theme.
		 *     @type string $version      The version of the theme.
		 *     @type string $url          The URL for details of the theme.
		 *     @type string $package      Optional. The update ZIP for the theme.
		 *     @type string $tested       Optional. The version of WordPress the theme is tested against.
		 *     @type string $requires_php Optional. The version of PHP which the theme requires.
		 *     @type bool   $autoupdate   Optional. Whether the theme should automatically update.
		 *     @type array  $translations {
		 *         Optional. List of translation updates for the theme.
		 *
		 *         @type string $language   The language the translation update is for.
		 *         @type string $version    The version of the theme this translation is for.
		 *                                  This is not the version of the language file.
		 *         @type string $updated    The update timestamp of the translation file.
		 *                                  Should be a date in the `YYYY-MM-DD HH:MM:SS` format.
		 *         @type string $package    The ZIP location containing the translation update.
		 *         @type string $autoupdate Whether the translation should be automatically installed.
		 *     }
		 * }
		 * @param array       $theme_data       Theme headers.
		 * @param string      $theme_stylesheet Theme stylesheet.
		 * @param string[]    $locales          Installed locales to look up translations for.
		 */
		$update = apply_filters( "update_themes_{$hostname}", false, $theme_data, $theme_stylesheet, $locales );

if ( ! $update ) {
			continue;
		}

$update = (object) $update;

// Is it valid? We require at least a version.
		if ( ! isset( $update->version ) ) {
			continue;
		}

// This should remain constant.
		$update->id = $theme_data['UpdateURI'];

// WordPress needs the version field specified as 'new_version'.
		if ( ! isset( $update->new_version ) ) {
			$update->new_version = $update->version;
		}

// Handle any translation updates.
		if ( ! empty( $update->translations ) ) {
			foreach ( $update->translations as $translation ) {
				if ( isset( $translation['language'], $translation['package'] ) ) {
					$translation['type'] = 'theme';
					$translation['slug'] = isset( $update->theme ) ? $update->theme : $update->id;

$new_update->translations[] = $translation;
				}
			}
		}

unset( $new_update->no_update[ $theme_stylesheet ], $new_update->response[ $theme_stylesheet ] );

if ( version_compare( $update->new_version, $theme_data['Version'], '>' ) ) {
			$new_update->response[ $theme_stylesheet ] = (array) $update;
		} else {
			$new_update->no_update[ $theme_stylesheet ] = (array) $update;
		}
	}

set_site_transient( 'update_themes', $new_update );
}

/**
 * Performs WordPress automatic background updates.
 *
 * Updates WordPress core plus any plugins and themes that have automatic updates enabled.
 *
 * @since 3.7.0
 */
function wp_maybe_auto_update() {
	require_once ABSPATH . 'wp-admin/includes/admin.php';
	require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';

$upgrader = new WP_Automatic_Updater();
	$upgrader->run();
}

/**
 * Retrieves a list of all language updates available.
 *
 * @since 3.7.0
 *
 * @return object[] Array of translation objects that have available updates.
 */
function wp_get_translation_updates() {
	$updates    = array();
	$transients = array(
		'update_core'    => 'core',
		'update_plugins' => 'plugin',
		'update_themes'  => 'theme',
	);

foreach ( $transients as $transient => $type ) {
		$transient = get_site_transient( $transient );

if ( empty( $transient->translations ) ) {
			continue;
		}

foreach ( $transient->translations as $translation ) {
			$updates[] = (object) $translation;
		}
	}

return $updates;
}

/**
 * Collects counts and UI strings for available updates.
 *
 * @since 3.3.0
 *
 * @return array {
 *     Fetched update data.
 *
 *     @type int[]   $counts       An array of counts for available plugin, theme, and WordPress updates.
 *     @type string  $update_title Titles of available updates.
 * }
 */
function wp_get_update_data() {
	$counts = array(
		'plugins'      => 0,
		'themes'       => 0,
		'wordpress'    => 0,
		'translations' => 0,
	);

$plugins = current_user_can( 'update_plugins' );

if ( $plugins ) {
		$update_plugins = get_site_transient( 'update_plugins' );

if ( ! empty( $update_plugins->response ) ) {
			$counts['plugins'] = count( $update_plugins->response );
		}
	}

$themes = current_user_can( 'update_themes' );

if ( $themes ) {
		$update_themes = get_site_transient( 'update_themes' );

if ( ! empty( $update_themes->response ) ) {
			$counts['themes'] = count( $update_themes->response );
		}
	}

$core = current_user_can( 'update_core' );

if ( $core && function_exists( 'get_core_updates' ) ) {
		$update_wordpress = get_core_updates( array( 'dismissed' => false ) );

if ( ! empty( $update_wordpress )
			&& ! in_array( $update_wordpress[0]->response, array( 'development', 'latest' ), true )
			&& current_user_can( 'update_core' )
		) {
			$counts['wordpress'] = 1;
		}
	}

if ( ( $core || $plugins || $themes ) && wp_get_translation_updates() ) {
		$counts['translations'] = 1;
	}

$counts['total'] = $counts['plugins'] + $counts['themes'] + $counts['wordpress'] + $counts['translations'];
	$titles          = array();

if ( $counts['wordpress'] ) {
		/* translators: %d: Number of available WordPress updates. */
		$titles['wordpress'] = sprintf( __( '%d WordPress Update' ), $counts['wordpress'] );
	}

if ( $counts['plugins'] ) {
		/* translators: %d: Number of available plugin updates. */
		$titles['plugins'] = sprintf( _n( '%d Plugin Update', '%d Plugin Updates', $counts['plugins'] ), $counts['plugins'] );
	}

if ( $counts['themes'] ) {
		/* translators: %d: Number of available theme updates. */
		$titles['themes'] = sprintf( _n( '%d Theme Update', '%d Theme Updates', $counts['themes'] ), $counts['themes'] );
	}

if ( $counts['translations'] ) {
		$titles['translations'] = __( 'Translation Updates' );
	}

$update_title = $titles ? esc_attr( implode( ', ', $titles ) ) : '';

$update_data = array(
		'counts' => $counts,
		'title'  => $update_title,
	);
	/**
	 * Filters the returned array of update data for plugins, themes, and WordPress core.
	 *
	 * @since 3.5.0
	 *
	 * @param array $update_data {
	 *     Fetched update data.
	 *
	 *     @type int[]   $counts       An array of counts for available plugin, theme, and WordPress updates.
	 *     @type string  $update_title Titles of available updates.
	 * }
	 * @param array $titles An array of update counts and UI strings for available updates.
	 */
	return apply_filters( 'wp_get_update_data', $update_data, $titles );
}

/**
 * Determines whether core should be updated.
 *
 * @since 2.8.0
 */
function _maybe_update_core() {
	$current = get_site_transient( 'update_core' );

if ( isset( $current->last_checked, $current->version_checked )
		&& 12 * HOUR_IN_SECONDS > ( time() - $current->last_checked )
		&& wp_get_wp_version() === $current->version_checked
	) {
		return;
	}

wp_version_check();
}
/**
 * Checks the last time plugins were run before checking plugin versions.
 *
 * This might have been backported to WordPress 2.6.1 for performance reasons.
 * This is used for the wp-admin to check only so often instead of every page
 * load.
 *
 * @since 2.7.0
 * @access private
 */
function _maybe_update_plugins() {
	$current = get_site_transient( 'update_plugins' );

if ( isset( $current->last_checked )
		&& 12 * HOUR_IN_SECONDS > ( time() - $current->last_checked )
	) {
		return;
	}

wp_update_plugins();
}

/**
 * Checks themes versions only after a duration of time.
 *
 * This is for performance reasons to make sure that on the theme version
 * checker is not run on every page load.
 *
 * @since 2.7.0
 * @access private
 */
function _maybe_update_themes() {
	$current = get_site_transient( 'update_themes' );

if ( isset( $current->last_checked )
		&& 12 * HOUR_IN_SECONDS > ( time() - $current->last_checked )
	) {
		return;
	}

wp_update_themes();
}

/**
 * Schedules core, theme, and plugin update checks.
 *
 * @since 3.1.0
 */
function wp_schedule_update_checks() {
	if ( ! wp_next_scheduled( 'wp_version_check' ) && ! wp_installing() ) {
		wp_schedule_event( time(), 'twicedaily', 'wp_version_check' );
	}

if ( ! wp_next_scheduled( 'wp_update_plugins' ) && ! wp_installing() ) {
		wp_schedule_event( time(), 'twicedaily', 'wp_update_plugins' );
	}

if ( ! wp_next_scheduled( 'wp_update_themes' ) && ! wp_installing() ) {
		wp_schedule_event( time(), 'twicedaily', 'wp_update_themes' );
	}
}

/**
 * Clears existing update caches for plugins, themes, and core.
 *
 * @since 4.1.0
 */
function wp_clean_update_cache() {
	if ( function_exists( 'wp_clean_plugins_cache' ) ) {
		wp_clean_plugins_cache();
	} else {
		delete_site_transient( 'update_plugins' );
	}

wp_clean_themes_cache();

delete_site_transient( 'update_core' );
}

/**
 * Schedules the removal of all contents in the temporary backup directory.
 *
 * @since 6.3.0
 */
function wp_delete_all_temp_backups() {
	/*
	 * Check if there is a lock, or if currently performing an Ajax request,
	 * in which case there is a chance an update is running.
	 * Reschedule for an hour from now and exit early.
	 */
	if ( get_option( 'core_updater.lock' ) || get_option( 'auto_updater.lock' ) || wp_doing_ajax() ) {
		wp_schedule_single_event( time() + HOUR_IN_SECONDS, 'wp_delete_temp_updater_backups' );
		return;
	}

// This action runs on shutdown to make sure there are no plugin updates currently running.
	add_action( 'shutdown', '_wp_delete_all_temp_backups' );
}

/**
 * Deletes all contents in the temporary backup directory.
 *
 * @since 6.3.0
 *
 * @access private
 *
 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
 */
function _wp_delete_all_temp_backups() {
	global $wp_filesystem;

if ( ! function_exists( 'WP_Filesystem' ) ) {
		require_once ABSPATH . 'wp-admin/includes/file.php';
	}

ob_start();
	$credentials = request_filesystem_credentials( '' );
	ob_end_clean();

if ( false === $credentials || ! WP_Filesystem( $credentials ) ) {
		wp_trigger_error( __FUNCTION__, __( 'Could not access filesystem.' ) );
		return;
	}

if ( ! $wp_filesystem->wp_content_dir() ) {
		wp_trigger_error(
			__FUNCTION__,
			/* translators: %s: Directory name. */
			sprintf( __( 'Unable to locate WordPress content directory (%s).' ), 'wp-content' )
		);
		return;
	}

$temp_backup_dir = $wp_filesystem->wp_content_dir() . 'upgrade-temp-backup/';
	$dirlist         = $wp_filesystem->dirlist( $temp_backup_dir );
	$dirlist         = $dirlist ? $dirlist : array();

foreach ( array_keys( $dirlist ) as $dir ) {
		if ( '.' === $dir || '..' === $dir ) {
			continue;
		}

$wp_filesystem->delete( $temp_backup_dir . $dir, true );
	}
}

if ( ( ! is_main_site() && ! is_network_admin() ) || wp_doing_ajax() ) {
	return;
}

add_action( 'admin_init', '_maybe_update_core' );
add_action( 'wp_version_check', 'wp_version_check' );

add_action( 'load-plugins.php', 'wp_update_plugins' );
add_action( 'load-update.php', 'wp_update_plugins' );
add_action( 'load-update-core.php', 'wp_update_plugins' );
add_action( 'admin_init', '_maybe_update_plugins' );
add_action( 'wp_update_plugins', 'wp_update_plugins' );

add_action( 'load-themes.php', 'wp_update_themes' );
add_action( 'load-update.php', 'wp_update_themes' );
add_action( 'load-update-core.php', 'wp_update_themes' );
add_action( 'admin_init', '_maybe_update_themes' );
add_action( 'wp_update_themes', 'wp_update_themes' );

add_action( 'update_option_WPLANG', 'wp_clean_update_cache', 10, 0 );

add_action( 'wp_maybe_auto_update', 'wp_maybe_auto_update' );

add_action( 'init', 'wp_schedule_update_checks' );

add_action( 'wp_delete_temp_updater_backups', 'wp_delete_all_temp_backups' );

Nama File / Folder	Size	Action
ID3	--	NONE
IXR	--	NONE
PHPMailer	--	NONE
Requests	--	NONE
SimplePie	--	NONE
Text	--	NONE
assets	--	NONE
block-bindings	--	NONE
block-patterns	--	NONE
block-supports	--	NONE
blocks	--	NONE
certificates	--	NONE
css	--	NONE
customize	--	NONE
fonts	--	NONE
html-api	--	NONE
images	--	NONE
interactivity-api	--	NONE
js	--	NONE
l10n	--	NONE
php-compat	--	NONE
pomo	--	NONE
rest-api	--	NONE
sitemaps	--	NONE
sodium_compat	--	NONE
style-engine	--	NONE
theme-compat	--	NONE
widgets	--	NONE
.htaccess	0.192KB	Edit File Delete File Rename
atomlib.php	11.795KB	Edit File Delete File Rename
cache.php	13.158KB	Edit File Delete File Rename
capabilities.php	41.717KB	Edit File Delete File Rename
class-IXR.php	2.555KB	Edit File Delete File Rename
class-feed.php	0.526KB	Edit File Delete File Rename
class-phpass.php	6.612KB	Edit File Delete File Rename
class-snoopy.php	36.831KB	Edit File Delete File Rename
class-walker-nav-menu.php	11.762KB	Edit File Delete File Rename
class-wp-block-pattern-categories-registry.php	5.245KB	Edit File Delete File Rename
class-wp-block-type-registry.php	4.896KB	Edit File Delete File Rename
class-wp-block-type.php	16.86KB	Edit File Delete File Rename
class-wp-post-type.php	29.961KB	Edit File Delete File Rename
class-wp-recovery-mode-cookie-service.php	6.716KB	Edit File Delete File Rename
class-wp-recovery-mode-key-service.php	4.77KB	Edit File Delete File Rename
class-wp-recovery-mode-link-service.php	3.382KB	Edit File Delete File Rename
class-wp-styles.php	10.752KB	Edit File Delete File Rename
class-wp-theme.php	64.268KB	Edit File Delete File Rename
class-wp-walker.php	13.01KB	Edit File Delete File Rename
comment.php	128.464KB	Edit File Delete File Rename
compat.php	15.992KB	Edit File Delete File Rename
default-filters.php	35.837KB	Edit File Delete File Rename
deprecated.php	187.073KB	Edit File Delete File Rename
error-protection.php	4.024KB	Edit File Delete File Rename
feed-atom-comments.php	5.375KB	Edit File Delete File Rename
formatting.php	334.884KB	Edit File Delete File Rename
global-styles-and-settings.php	20.763KB	Edit File Delete File Rename
ms-blogs.php	25.239KB	Edit File Delete File Rename
ms-default-filters.php	6.48KB	Edit File Delete File Rename
ms-settings.php	4.099KB	Edit File Delete File Rename
nav-menu.php	43.333KB	Edit File Delete File Rename
pluggable.php	119.824KB	Edit File Delete File Rename
revision.php	30.021KB	Edit File Delete File Rename
rewrite.php	19.083KB	Edit File Delete File Rename
session.php	0.252KB	Edit File Delete File Rename
taxonomy.php	172.097KB	Edit File Delete File Rename
theme.php	131.155KB	Edit File Delete File Rename
update.php	36.624KB	Edit File Delete File Rename