Mini Shell

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

/**
 * Checks WordPress version against the newest version.
 *
 * The WordPress version, PHP version, and locale is sent.
 *
 * 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;
	}

	// Include an unmodified $wp_version.
	require ABSPATH . WPINC . '/version.php';
	$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_version !== $current->version_checked ) {
		$current = false;
	}

	if ( ! is_object( $current ) ) {
		$current                  = new stdClass();
		$current->updates         = array();
		$current->version_checked = $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_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_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 and AVIF support.
		$query['image_support']['gd'] = array_keys(
			array_filter(
				array(
					'webp' => isset( $gd_info['WebP Support'] ),
					'avif' => isset( $gd_info['AVIF Support'] ),
				)
			)
		);
	}

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

	/**
	 * 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
	 *
	 * @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.
	 * }
	 */
	$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_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 ) ) {
		trigger_error(
			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_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 WP, 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;
	}

	// Include an unmodified $wp_version.
	require ABSPATH . WPINC . '/version.php';

	// 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();
	}

	$updates               = new stdClass();
	$updates->last_checked = time();
	$updates->response     = array();
	$updates->translations = array();
	$updates->no_update    = array();

	$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 ) {
			$updates->checked[ $file ] = $p['Version'];

			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_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 ) ) {
		trigger_error(
			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;
	}

	$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 array  $icons        Optional. Array of plugin icons.
		 *     @type array  $banners      Optional. Array of plugin banners.
		 *     @type array  $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 WP, 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;
	}

	// Include an unmodified $wp_version.
	require ABSPATH . WPINC . '/version.php';

	$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_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 ( $ssl && is_wp_error( $raw_response ) ) {
		trigger_error(
			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;
	}

	$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( esc_url_raw( $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() {
	include_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
 */
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 array   $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
 *
 * @global string $wp_version The WordPress version string.
 */
function _maybe_update_core() {
	// Include an unmodified $wp_version.
	require ABSPATH . WPINC . '/version.php';

	$current = get_site_transient( 'update_core' );

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

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' );

6 Birkenstock Sandal Dupes to Wear This Summer 2025 Picks\n<\/p>\n

Another instance of illegal replicas is selling replicas of patented products. The patent law protects the inventions, so replicas of patented products are considered illegal even if they are transparently marketed as such. On the other hand, counterfeit products are unauthorized replicas. They infringe upon intellectual property rights, which can result in legal action against them. To sell replicas legally best fake shoes<\/a>, they have to be marketed as such and notclaim to be the original to deceive the customer. Sellers should be transparent about selling products inspired by the original.\n<\/p>\n

From costuming tips to deep dives into fashion history, our blog will keep you educated and entertained. By removing the insoles, you can access the so-called footbed where to buy fake shoes<\/a>, where you can see these stitches on all sides of the shoes and the all-over \u201cGG\u201d pattern. For Clothing, you can measure your chest size and length for your similar item in your closet replicas shoes<\/a>, when your order arrives to our store, we also can measure the size for you. I adoreeeeee these black ones yeezy sliodes<\/a>, and I have wanted new black heels for so long, and I\u2019m positive these will end up in my wardrobe very soon.\n<\/p>\n

The point is, the prevalence of fake sneakers means multi-wide repercussions replicas shoes<\/a>0, especially in the sneaker resale market. Sneaker collectors live with the nagging fear in their minds of buying counterfeits. The stakes can be high, for some sneakers resell for thousands of dollars. A single fake not only costs several hundreds, or sometimes thousands of dollars of buyers, but it also leads to a loss in the credibility of platforms guaranteeing authenticity. The resale sites yerzy slides<\/a>, such as StockX and GOAT, have heavy authentication processes in place to counteract the problem, but even they say no system is full-proof.\n<\/p>\n

Despite the many of trends, women always have gravitated towards the classic appeal of their clothing and bags. VICE News Tonight on HBO has just released a new short documentary that delves into the fake sneaker black market in Putian, China, which is noted as the “city of fakes.” In the reps vs originals debate, the choice really comes down to personal values\u2014and now, at least, it\u2019s a choice that exists. Comfort can be very similar between originals and good reps, especially for casual wear.\n<\/p>\n

Score everything from clothing to makeup dupes at hard-to-beat prices. But keep in mind that quality control on the items is hit or miss. It\u2019s a goldmine for solid fashion dupes at untouchable prices. All you need to remember is to dig wisely using reviews and seller ratings before you buy. DHgate serves up wholesale direct from manufacturers in China, meaning big savings for shoppers.\n<\/p>\n

While this style is no longer on her site best site for fake shoes<\/a>, we did find it at Nordstrom knock off shoes website<\/a>, which is a bit less than it used to be should you want to take advantage of the current price. In that case, the sneakers can be found at Nordstrom in a variety of colors and patterns, all pre-beat up as per the trend. The white and silver pair we found goes for $605, stars and scuffs included. Replica shoes refer to sports shoes that are not authorized by the brand and are generally produced in China and Vietnam.\n<\/p>\n

Some of the products are not even listed with pricing on their website. They\u2019ve won several awards for their hard work and quality. Even slight alterations to a design may not avoid infringement if the replica is substantially similar to the copyrighted material. This principle was evident in Rogers v. Koons, where the court found that a sculpture mimicking a copyrighted photograph without transformation constituted infringement. SMP shoes are made with a quality that is twice as good as \u201cAAA \u201d or \u201cSP\u201d; thus, depending on usage yeezy slidesw<\/a>, they could last you 6\u201312 months. While SPs are less flawed than Grade AAA and offer improved shoe comfort, the quality of the shoe is still bad, and it may only last 1-3 months, depending on usage.\n<\/p>\n

Have you ever wondered about those cool kicks that look like designer shoes but cost way less? 2 Replica sneakers have stormed the fashion world, sparking debates about style and ethics. 3 This article will break down what rep shoes really are and reveal five eye-opening facts about these trendy copycats.\n<\/p>\n

There are many Putian suppliers opened their online shops in Taobao. Different kinds of the brand shoes were offered at cheap price, and the low-price products attract lots of the customers. With the superior manufacturing technology and production method, there are more and more factories started making counterfeit products and selling them to customers. Putian, in China\u2019s coastal Fujian province, has been China\u2019s sneaker manufacturing capital for decades.\n<\/p>\n

If the packaging looks cheap or poorly made, it is likely a counterfeit. Additionally, pay attention to the overall design and details of the shoes. Imitation Prada shoes may have subtle differences in the shape lanvi<\/a>, color, or pattern compared to the genuine ones. Copyright law also plays a significant role in the legality of selling replicas. Copyright protection covers original works of authorship, including artistic designs. The Copyright Act of 1976 grants copyright holders exclusive rights to reproduce, distribute, and display their work.<\/p>\n","protected":false},"excerpt":{"rendered":"

6 Birkenstock Sandal Dupes to Wear This Summer 2025 Picks Another instance of illegal replicas is selling replicas of patented products. The patent law protects the inventions, so replicas of patented products are considered illegal even if they are transparently marketed as such. On the other hand, counterfeit products are unauthorized replicas. They infringe upon…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/mcpv.demarco.ddnsfree.com\/index.php\/wp-json\/wp\/v2\/posts\/6948"}],"collection":[{"href":"https:\/\/mcpv.demarco.ddnsfree.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mcpv.demarco.ddnsfree.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mcpv.demarco.ddnsfree.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mcpv.demarco.ddnsfree.com\/index.php\/wp-json\/wp\/v2\/comments?post=6948"}],"version-history":[{"count":1,"href":"https:\/\/mcpv.demarco.ddnsfree.com\/index.php\/wp-json\/wp\/v2\/posts\/6948\/revisions"}],"predecessor-version":[{"id":6949,"href":"https:\/\/mcpv.demarco.ddnsfree.com\/index.php\/wp-json\/wp\/v2\/posts\/6948\/revisions\/6949"}],"wp:attachment":[{"href":"https:\/\/mcpv.demarco.ddnsfree.com\/index.php\/wp-json\/wp\/v2\/media?parent=6948"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mcpv.demarco.ddnsfree.com\/index.php\/wp-json\/wp\/v2\/categories?post=6948"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mcpv.demarco.ddnsfree.com\/index.php\/wp-json\/wp\/v2\/tags?post=6948"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}