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laipower/wp-content/plugins/w3-total-cache/w3-total-cache-api.php

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<?php
/**
* File: w3-total-cache-api.php
*
* @package W3TC
*
* phpcs:disable WordPress.PHP
*/
if ( ! defined( 'ABSPATH' ) ) {
die();
}
define( 'W3TC', true );
define( 'W3TC_VERSION', '2.7.0' );
define( 'W3TC_POWERED_BY', 'W3 Total Cache' );
define( 'W3TC_EMAIL', 'w3tc@w3-edge.com' );
define( 'W3TC_TEXT_DOMAIN', 'w3-total-cache' );
define( 'W3TC_LINK_URL', 'https://api.w3-edge.com/v1/redirects/product-index' );
define( 'W3TC_LINK_NAME', 'W3 EDGE, Optimization Products for WordPress' );
define( 'W3TC_FEED_URL', 'https://api.w3-edge.com/v1/redirects/product-rss' );
define( 'W3TC_NEWS_FEED_URL', 'https://api.w3-edge.com/v1/redirects/company-rss' );
define( 'W3TC_README_URL', 'https://api.w3-edge.com/v1/redirects/product-readme' );
define( 'W3TC_SUPPORT_US_PRODUCT_URL', 'https://api.w3-edge.com/v1/redirects/product-directory' );
define( 'W3TC_SUPPORT_US_RATE_URL', 'https://api.w3-edge.com/v1/redirects/support-ratings' );
define( 'W3TC_SUPPORT_US_TWEET', 'YES! I optimized the user experience of my website with the W3 Total Cache #WordPress #plugin by @boldgrid! http://bit.ly/TeSBL3' );
define( 'W3TC_EDGE_TIMEOUT', 7 * 24 * 60 * 60 );
define( 'W3TC_SUPPORT_REQUEST_URL', 'https://api.w3-edge.com/v1/support-request' );
define( 'W3TC_SUPPORT_SERVICES_URL', 'https://api.w3-edge.com/v1/support-serviceinventory' );
define( 'W3TC_FAQ_URL', 'https://api.w3-edge.com/v1/redirects/faq' );
define( 'W3TC_TERMS_URL', 'https://api.w3-edge.com/v1/redirects/policies-terms' );
define( 'W3TC_TERMS_ACCEPT_URL', 'https://api.w3-edge.com/v1/redirects/policies-accept' );
define( 'W3TC_MAILLINGLIST_SIGNUP_URL', 'https://api.w3-edge.com/v1/signup-newsletter' );
define( 'W3TC_NEWRELIC_SIGNUP_URL', 'https://api.w3-edge.com/v1/redirects/newrelic/signup' );
define( 'W3TC_STACKPATH_AUTHORIZE_URL', 'https://api.w3-edge.com/v1/redirects/stackpath/authorize' );
define( 'W3TC_STACKPATH2_AUTHORIZE_URL', 'https://api.w3-edge.com/v1/redirects/stackpath2/authorize' );
define( 'W3TC_GOOGLE_DRIVE_AUTHORIZE_URL', 'https://api.w3-edge.com/v1/googledrive/authorize' );
define( 'W3TC_BUNNYCDN_SIGNUP_URL', 'https://api.w3-edge.com/v1/redirects/bunnycdn/signup' );
define( 'W3TC_BUNNYCDN_SETTINGS_URL', 'https://api.w3-edge.com/v1/redirects/bunnycdn/settings' );
define( 'W3TC_BUNNYCDN_CDN_URL', 'https://api.w3-edge.com/v1/redirects/bunnycdn/cdn' );
define( 'W3TC_PARTNER_IMH', 'https://api.w3-edge.com/v1/redirects/partners/imh' );
define( 'W3TC_PARTNER_A2', 'https://api.w3-edge.com/v1/redirects/partners/a2' );
define( 'W3TC_PARTNER_CONVESIO', 'https://api.w3-edge.com/v1/redirects/partners/convesio' );
define( 'W3TC_PARTNER_DREAMHOST', 'https://api.w3-edge.com/v1/redirects/partners/dreamhost' );
// Image Service rate constants.
define( 'W3TC_IMAGE_SERVICE_FREE_HLIMIT', 100 );
define( 'W3TC_IMAGE_SERVICE_FREE_MLIMIT', 1000 );
define( 'W3TC_IMAGE_SERVICE_PRO_HLIMIT', 10000 );
define( 'W3TC_IMAGE_SERVICE_PRO_MLIMIT', 0 );
// this is the URL our updater / license checker pings. This should be the URL of the site with EDD installed.
if ( ! defined( 'W3TC_LICENSE_API_URL' ) ) {
define( 'W3TC_LICENSE_API_URL', 'https://www.w3-edge.com/' );
}
if ( ! defined( 'W3TC_PURCHASE_URL' ) ) {
define( 'W3TC_PURCHASE_URL', 'https://www.w3-edge.com/checkout/' );
}
// the name of your product. This should match the download name in EDD exactly.
define( 'W3TC_PURCHASE_PRODUCT_NAME', 'W3 Total Cache Pro: Annual Subscription' );
define( 'W3TC_WIN', ( strtoupper( substr( PHP_OS, 0, 3 ) ) === 'WIN' ) );
if ( ! defined( 'W3TC_DIR' ) ) {
define( 'W3TC_DIR', realpath( __DIR__ ) );
}
define( 'W3TC_FILE', 'w3-total-cache/w3-total-cache.php' );
define( 'W3TC_INC_DIR', W3TC_DIR . '/inc' );
define( 'W3TC_INC_WIDGET_DIR', W3TC_INC_DIR . '/widget' );
define( 'W3TC_INC_OPTIONS_DIR', W3TC_INC_DIR . '/options' );
define( 'W3TC_INC_LIGHTBOX_DIR', W3TC_INC_DIR . '/lightbox' );
define( 'W3TC_INC_POPUP_DIR', W3TC_INC_DIR . '/popup' );
define( 'W3TC_LIB_DIR', W3TC_DIR . '/lib' );
define( 'W3TC_LIB_NETDNA_DIR', W3TC_LIB_DIR . '/NetDNA' );
define( 'W3TC_LIB_NEWRELIC_DIR', W3TC_LIB_DIR . '/NewRelic' );
define( 'W3TC_INSTALL_DIR', W3TC_DIR . '/wp-content' );
define( 'W3TC_INSTALL_MINIFY_DIR', W3TC_INSTALL_DIR . '/w3tc/min' );
define( 'W3TC_LANGUAGES_DIR', W3TC_DIR . '/languages' );
if ( ! defined( 'WP_CONTENT_DIR' ) ) {
define( 'WP_CONTENT_DIR', realpath( W3TC_DIR . '/../..' ) );
}
if ( ! defined( 'W3TC_CACHE_DIR' ) ) {
if ( false !== realpath( WP_CONTENT_DIR . '/cache' ) ) {
define( 'W3TC_CACHE_DIR', realpath( WP_CONTENT_DIR . '/cache' ) );
} else {
define( 'W3TC_CACHE_DIR', WP_CONTENT_DIR . '/cache' );
}
}
if ( ! defined( 'W3TC_CONFIG_DIR' ) ) {
if ( false !== realpath( WP_CONTENT_DIR . '/w3tc-config' ) ) {
define( 'W3TC_CONFIG_DIR', realpath( WP_CONTENT_DIR . '/w3tc-config' ) );
} else {
define( 'W3TC_CONFIG_DIR', WP_CONTENT_DIR . '/w3tc-config' );
}
}
if ( ! defined( 'W3TC_CACHE_MINIFY_DIR' ) ) {
define( 'W3TC_CACHE_MINIFY_DIR', W3TC_CACHE_DIR . '/minify' );
}
if ( ! defined( 'W3TC_CACHE_PAGE_ENHANCED_DIR' ) ) {
define( 'W3TC_CACHE_PAGE_ENHANCED_DIR', W3TC_CACHE_DIR . '/page_enhanced' );
}
if ( ! defined( 'W3TC_CACHE_TMP_DIR' ) ) {
define( 'W3TC_CACHE_TMP_DIR', W3TC_CACHE_DIR . '/tmp' );
}
if ( ! defined( 'W3TC_CACHE_BLOGMAP_FILENAME' ) ) {
define( 'W3TC_CACHE_BLOGMAP_FILENAME', W3TC_CACHE_DIR . '/blogs.php' );
}
if ( ! defined( 'W3TC_CACHE_FILE_EXPIRE_MAX' ) ) {
define( 'W3TC_CACHE_FILE_EXPIRE_MAX', 2592000 );
}
define( 'W3TC_CDN_COMMAND_UPLOAD', 1 );
define( 'W3TC_CDN_COMMAND_DELETE', 2 );
define( 'W3TC_CDN_COMMAND_PURGE', 3 );
define( 'W3TC_CDN_TABLE_QUEUE', 'w3tc_cdn_queue' );
define( 'W3TC_CDN_TABLE_PATHMAP', 'w3tc_cdn_pathmap' );
define( 'W3TC_INSTALL_FILE_ADVANCED_CACHE', W3TC_INSTALL_DIR . '/advanced-cache.php' );
define( 'W3TC_INSTALL_FILE_DB', W3TC_INSTALL_DIR . '/db.php' );
define( 'W3TC_INSTALL_FILE_OBJECT_CACHE', W3TC_INSTALL_DIR . '/object-cache.php' );
define( 'W3TC_ADDIN_FILE_ADVANCED_CACHE', WP_CONTENT_DIR . '/advanced-cache.php' );
define( 'W3TC_ADDIN_FILE_DB', WP_CONTENT_DIR . '/db.php' );
define( 'W3TC_FILE_DB_CLUSTER_CONFIG', WP_CONTENT_DIR . '/db-cluster-config.php' );
define( 'W3TC_ADDIN_FILE_OBJECT_CACHE', WP_CONTENT_DIR . '/object-cache.php' );
define( 'W3TC_MARKER_BEGIN_WORDPRESS', '# BEGIN WordPress' );
define( 'W3TC_MARKER_BEGIN_PGCACHE_CORE', '# BEGIN W3TC Page Cache core' );
define( 'W3TC_MARKER_BEGIN_PGCACHE_CACHE', '# BEGIN W3TC Page Cache cache' );
define( 'W3TC_MARKER_BEGIN_PGCACHE_WPSC', '# BEGIN WPSuperCache' );
define( 'W3TC_MARKER_BEGIN_BROWSERCACHE_CACHE', '# BEGIN W3TC Browser Cache' );
define( 'W3TC_MARKER_BEGIN_MINIFY_CORE', '# BEGIN W3TC Minify core' );
define( 'W3TC_MARKER_BEGIN_MINIFY_CACHE', '# BEGIN W3TC Minify cache' );
define( 'W3TC_MARKER_BEGIN_MINIFY_LEGACY', '# BEGIN W3TC Minify' );
define( 'W3TC_MARKER_BEGIN_CDN', '# BEGIN W3TC CDN' );
define( 'W3TC_MARKER_BEGIN_WEBP', '# BEGIN W3TC WEBP' );
define( 'W3TC_MARKER_END_WORDPRESS', '# END WordPress' );
define( 'W3TC_MARKER_END_PGCACHE_CORE', '# END W3TC Page Cache core' );
define( 'W3TC_MARKER_END_PGCACHE_CACHE', '# END W3TC Page Cache cache' );
define( 'W3TC_MARKER_END_PGCACHE_LEGACY', '# END W3TC Page Cache' );
define( 'W3TC_MARKER_END_PGCACHE_WPSC', '# END WPSuperCache' );
define( 'W3TC_MARKER_END_BROWSERCACHE_CACHE', '# END W3TC Browser Cache' );
define( 'W3TC_MARKER_END_MINIFY_CORE', '# END W3TC Minify core' );
define( 'W3TC_MARKER_END_MINIFY_CACHE', '# END W3TC Minify cache' );
define( 'W3TC_MARKER_END_MINIFY_LEGACY', '# END W3TC Minify' );
define( 'W3TC_MARKER_END_CDN', '# END W3TC CDN' );
define( 'W3TC_MARKER_END_NEW_RELIC_CORE', '# END W3TC New Relic core' );
define( 'W3TC_MARKER_END_WEBP', '# END W3TC WEBP' );
if ( ! defined( 'W3TC_EXTENSION_DIR' ) ) {
define( 'W3TC_EXTENSION_DIR', ( defined( 'WP_PLUGIN_DIR' ) ? WP_PLUGIN_DIR : WP_CONTENT_DIR . '/plugins' ) );
}
if ( ! defined( 'W3TC_WP_JSON_URI' ) ) {
define( 'W3TC_WP_JSON_URI', '/wp-json/' );
}
if ( ! defined( 'W3TC_FEED_REGEXP' ) ) {
define( 'W3TC_FEED_REGEXP', '~/feed(/|$)~' );
}
@ini_set( 'pcre.backtrack_limit', 4194304 );
@ini_set( 'pcre.recursion_limit', 4194304 );
global $w3_late_init;
$w3_late_init = false;
/**
* Class autoloader.
*
* @param string $class Classname.
*/
function w3tc_class_autoload( $class ) {
// Some php pass classes with slash.
if ( substr( $class, 0, 1 ) == '\\' ) {
$class = substr( $class, 1 );
}
// Try core w3tc classes first.
if ( substr( $class, 0, 5 ) == 'W3TC\\' ) {
$filename = W3TC_DIR . DIRECTORY_SEPARATOR . substr( $class, 5 ) . '.php';
if ( file_exists( $filename ) ) {
require $filename;
return;
} elseif ( defined( 'WP_DEBUG' ) && WP_DEBUG ) {
echo esc_html(
sprintf(
// translators: 1 class name, 2 file name.
__(
'Attempt to create object of class %1$s has been made, but file %2$s doesnt exists',
'w3-total-cache'
),
$class,
$filename
)
);
debug_print_backtrace();
}
}
if ( substr( $class, 0, 13 ) == 'W3TCG_Google_' &&
( ! defined( 'W3TC_GOOGLE_LIBRARY' ) || W3TC_GOOGLE_LIBRARY ) ) {
// Google library.
$class_path = explode( '_', substr( $class, 6 ) );
if ( count( $class_path ) > 3 ) {
// Maximum class file path depth in this project is 3.
$class_path = array_slice( $class_path, 0, 3 );
}
$file_path = W3TC_LIB_DIR . DIRECTORY_SEPARATOR .
implode( '/', $class_path ) . '.php';
if ( file_exists( $file_path ) ) {
require $file_path;
}
return;
}
if ( substr( $class, 0, 6 ) == 'W3TCL\\' ) {
$base = W3TC_LIB_DIR . DIRECTORY_SEPARATOR;
$class = substr( $class, 6 );
// PSR loader.
$file = $base . strtr( $class, '\\_', DIRECTORY_SEPARATOR . DIRECTORY_SEPARATOR ) . '.php';
if ( file_exists( $file ) ) {
require_once $file;
}
}
}
spl_autoload_register( 'w3tc_class_autoload' );
/**
* W3 Total Cache plugins API
*/
/**
* Returns config.
*
* !!! NOTICE !!!
* 3rd party developers, please do not modify the plugin's configuration without
* notifying the user beforehand. As an alternative, throw a notification to the
* user like: "Configure W3 Total Cache for me" and allow the user to dismiss
* the notification.
* !!! NOTICE !!!
*/
function w3tc_config() {
/*
* Some plugins make incorrect decisions based on configuration
* and force to disable modules working otherwise or
* adds notices on each wp-admin page without ability to remove it.
* By defining W3TC_CONFIG_HIDE you may still use w3tc configuration you like.
*/
if ( defined( 'W3TC_CONFIG_HIDE' ) && W3TC_CONFIG_HIDE ) {
return new W3_Config();
}
$config = \W3TC\Dispatcher::config();
return $config;
}
/**
* Purges/Flushes everything.
*
* @param array $extras Extras.
*/
function w3tc_flush_all( $extras = null ) {
$o = \W3TC\Dispatcher::component( 'CacheFlush' );
$o->flush_all( $extras );
}
/**
* Purges/Flushes post page.
*
* @param int $post_id Post id.
* @param boolean $force Force flag (optional).
* @param array $extras Extras.
*/
function w3tc_flush_post( $post_id, $force = false, $extras = null ) {
$o = \W3TC\Dispatcher::component( 'CacheFlush' );
$o->flush_post( $post_id, $force, $extras );
}
/**
* Purges/Flushes all posts.
*
* @param array $extras Extras.
*/
function w3tc_flush_posts( $extras = null ) {
$o = \W3TC\Dispatcher::component( 'CacheFlush' );
$o->flush_posts( $extras );
}
/**
* Purges/Flushes url.
*
* @param string $url URL.
* @param array $extras Extras.
*/
function w3tc_flush_url( $url, $extras = null ) {
$o = \W3TC\Dispatcher::component( 'CacheFlush' );
$o->flush_url( $url, $extras );
}
/**
* Purges/Flushes separate cache group.
*
* @param string $group Group.
* @param array $extras Extras.
*/
function w3tc_flush_group( $group, $extras = null ) {
$o = \W3TC\Dispatcher::component( 'CacheFlush' );
$o->flush_group( $group, $extras );
}
/**
* Deprecated. Shortcut for page cache flush.
*
* @return bool
*/
function w3tc_pgcache_flush() {
return w3tc_flush_posts();
}
/**
* Deprecated. Shortcut for page post cache flush.
*
* @param int $post_id Post id.
* @param boolean $force Force flag (optional).
*
* @return bool
*/
function w3tc_pgcache_flush_post( $post_id, $force = false ) {
return w3tc_flush_post( $post_id, $force );
}
/**
* Deprecated. Shortcut for page post cache flush by url.
*
* @param int $url URL.
* @return bool
*/
function w3tc_pgcache_flush_url( $url ) {
return w3tc_flush_url( $url );
}
/**
* Deprecated. Shortcut for refreshing the media query string.
*
* @return null
*/
function w3tc_browsercache_flush() {
$o = \W3TC\Dispatcher::component( 'CacheFlush' );
return $o->browsercache_flush();
}
/**
* Deprecated. Shortcut for database cache flush.
*/
function w3tc_dbcache_flush() {
$o = \W3TC\Dispatcher::component( 'CacheFlush' );
$o->dbcache_flush();
}
/**
* Deprecated. Shortcut for minify cache flush.
*/
function w3tc_minify_flush() {
$o = \W3TC\Dispatcher::component( 'CacheFlush' );
$o->minifycache_flush();
}
/**
* Deprecated. Shortcut for objectcache cache flush.
*/
function w3tc_objectcache_flush() {
$o = \W3TC\Dispatcher::component( 'CacheFlush' );
$o->objectcache_flush();
}
/**
* Deprecated. Shortcut for CDN purge files.
*
* @param array $files Array consisting of uri paths (i.e wp-content/uploads/image.pnp).
* @return mixed
*/
function w3tc_cdn_purge_files( $files ) {
$o = \W3TC\Dispatcher::component( 'CacheFlush' );
return $o->cdn_purge_files( $files );
}
/**
* Deprecated. Prints script tag for scripts group.
*
* @param string $location Location.
*/
function w3tc_minify_script_group( $location ) {
$o = \W3TC\Dispatcher::component( 'Minify_Plugin' );
$o->printed_scripts[] = $location;
$r = $o->get_script_group( $location );
echo esc_html( $r['body'] );
}
/**
* Deprecated. Prints style tag for styles group.
*
* @param string $location Location.
*/
function w3tc_minify_style_group( $location ) {
$o = \W3TC\Dispatcher::component( 'Minify_Plugin' );
$o->printed_styles[] = $location;
$r = $o->get_style_group( $location );
echo esc_html( $r['body'] );
}
/**
* Deprecated. Prints style tag for custom styles.
*
* @param string|array $files Files.
*/
function w3tc_minify_style_custom( $files ) {
$o = \W3TC\Dispatcher::component( 'Minify_Plugin' );
$r = $o->get_style_custom( $files );
echo esc_html( $r['body'] );
}
/**
* Deprecated. Use Util_Theme::get_themes() to get a list themenames to use with user agent groups.
*
* @param string $group_name Group name.
* @param string $theme The themename default is default theme. For childtheme it should be parentthemename/childthemename.
* @param string $redirect Redirect.
* @param array $agents Remember to escape special characters like spaces, dots or dashes with a backslash. Regular expressions are also supported.
* @param bool $enabled Enabled.
*/
function w3tc_save_user_agent_group( $group_name, $theme = 'default', $redirect = '', $agents = array(), $enabled = false ) {
$o = \W3TC\Dispatcher::component( 'Mobile_UserAgent' );
$o->save_group( $group_name, $theme, $redirect, $agents, $enabled );
}
/**
* Deprecated.
*
* @param string $group Group.
*/
function w3tc_delete_user_agent_group( $group ) {
$o = \W3TC\Dispatcher::component( 'Mobile_UserAgent' );
$o->delete_group( $group );
}
/**
* Deprecated.
*
* @param string $group Group.
* @return mixed
*/
function w3tc_get_user_agent_group( $group ) {
$o = \W3TC\Dispatcher::component( 'Mobile_UserAgent' );
return $o->get_group_values( $group );
}
/**
* Deprecated. Use Util_Theme::get_themes() to get a list themenames to use with referrer groups.
*
* @param string $group_name Group name.
* @param string $theme The themename default is default theme. For childtheme it should be parentthemename/childthemename.
* @param string $redirect Redirect.
* @param array $referrers Remember to escape special characters like spaces, dots or dashes with a backslash. Regular expressions are also supported.
* @param bool $enabled Enabled.
*/
function w3tc_save_referrer_group( $group_name, $theme = 'default', $redirect = '', $referrers = array(), $enabled = false ) {
$o = \W3TC\Dispatcher::component( 'Mobile_Referrer' );
$o->save_group( $group_name, $theme, $redirect, $referrers, $enabled );
}
/**
* Deprecated.
*
* @param string $group Group.
*/
function w3tc_delete_referrer_group( $group ) {
$o = \W3TC\Dispatcher::component( 'Mobile_Referrer' );
$o->delete_group( $group );
}
/**
* Deprecated.
*
* @param string $group Group.
* @return mixed
*/
function w3tc_get_referrer_group( $group ) {
$o = \W3TC\Dispatcher::component( 'Mobile_Referrer' );
return $o->get_group_values( $group );
}
/**
* Deprecated. Retained for 3rd parties that used it. see w3tc_config().
*
* Some plugins make incorrect decisions based on configuration
* and force to disable modules working otherwise or
* adds notices on each wp-admin page without ability to remove it.
* By defining W3TC_CONFIG_HIDE you may still use w3tc configuration you like.
*/
if ( defined( 'W3TC_CONFIG_HIDE' ) && W3TC_CONFIG_HIDE ) {
/**
* Class: W3_Config
*/
class W3_Config { // phpcs:ignore
/**
* Constructor.
*
* @param bool $master Master.
* @param int $blog_id Blog id.
*/
public function __construct( $master = false, $blog_id = null ) {
}
/**
* Get string.
*
* @param string $key Key.
* @param string $default Default.
* @param boolean $trim Trim.
* @return string
*/
public function get_string( $key, $default = '', $trim = true ) {
return '';
}
/**
* Get integer.
*
* @param string $key Key.
* @param int $default Default.
*/
public function get_integer( $key, $default = 0 ) {
return 0;
}
/**
* Get boolean.
*
* @param string $key Key.
* @param bool $default Default.
* @return bool
*/
public function get_boolean( $key, $default = false ) {
return false;
}
}
} else {
/**
* Class: W3_Config.
*/
class W3_Config extends \W3TC\Config { // phpcs:ignore
/**
* Constructor.
*
* @param bool $master Master.
* @param int $blog_id Blog id.
*/
public function __construct( $master = false, $blog_id = null ) {
if ( $master ) {
$blog_id = 0;
}
return parent::__construct( $blog_id );
}
}
}
/**
* Class: W3_ConfigWriter.
*
* Deprecated. Retained for 3rd parties that use it. see w3tc_config().
*/
class W3_ConfigWriter { // phpcs:ignore
/**
* Constructor.
*
* @param int $p1 P1.
* @param int $p2 P2.
*/
public function __construct( $p1 = 0, $p2 = 0 ) {
}
/**
* Set.
*
* @param int $p1 P1.
* @param int $p2 P2.
*/
public function set( $p1 = 0, $p2 = 0 ) {
}
/**
* Save.
*
* @param int $p1 P1.
* @param int $p2 P2.
*/
public function save( $p1 = 0, $p2 = 0 ) {
}
/**
* Refresh W3TC.
*/
public function refresh_w3tc() {
}
}
/**
* Deprecated. Retained for 3rd parties that use it. see w3tc_config().
*
* @param string $class Class name.
*/
function w3_instance( $class ) {
$legacy_class_name = null;
switch ( $class ) {
case 'W3_Config':
if ( defined( 'W3TC_CONFIG_HIDE' ) && W3TC_CONFIG_HIDE ) {
return new W3_Config();
}
$legacy_class_name = 'Config';
break;
case 'W3_ObjectCacheBridge':
$legacy_class_name = 'ObjectCache_WpObjectCache';
break;
case 'W3_PgCache':
$legacy_class_name = 'PgCache_ContentGrabber';
break;
case 'W3_Redirect':
$legacy_class_name = 'Mobile_Redirect';
break;
default:
return null;
}
return \W3TC\Dispatcher::component( $legacy_class_name );
}
/**
* Print a localized string.
*
* @param string $key Key name.
* @param mixed $default_value Default value.
*/
function w3tc_e( $key, $default_value ) {
$content = w3tc_er( $key, $default_value );
echo wp_kses(
$content,
\W3TC\Util_Ui::get_allowed_html_for_wp_kses_from_content( $content )
);
}
/**
* Get a localized string.
*
* @param string $key Key name.
* @param mixed $default_value Default value.
*/
function w3tc_er( $key, $default_value ) {
$v = get_site_option( 'w3tc_generic_widgetservices' );
try {
$v = json_decode( $v, true );
if ( ! isset( $v['content'] ) ) {
return $default_value;
}
$v = $v['content'];
} catch ( \Exception $e ) {
return $default_value;
}
global $w3tc_locale;
if ( null === $w3tc_locale ) {
if ( function_exists( 'get_user_locale' ) ) {
$w3tc_locale = get_user_locale();
} else {
$w3tc_locale = '';
}
}
if ( isset( $v[ "ui_strings.$w3tc_locale" ][ $key ] ) ) {
return $v[ "ui_strings.$w3tc_locale" ][ $key ];
}
if ( isset( $v['ui_strings'][ $key ] ) ) {
return $v['ui_strings'][ $key ];
}
return $default_value;
}
$w3tc_actions = array();
/**
* An add_action alternative used by W3TC when WP core is not available.
*
* @param string $hook Hook/action name.
* @param Callable $callback Callback function.
*/
function w3tc_add_action( $hook, $callback ) {
global $w3tc_actions;
if ( ! isset( $w3tc_actions[ $hook ] ) ) {
$w3tc_actions[ $hook ] = array();
}
$w3tc_actions[ $hook ][] = $callback;
}
/**
* A do_action alternative used by W3TC when WP core is not available.
*
* @param string $hook Hook/action name.
*/
function w3tc_do_action( $hook ) {
global $w3tc_actions;
if ( ! empty( $w3tc_actions[ $hook ] ) ) {
foreach ( $w3tc_actions[ $hook ] as $callback ) {
call_user_func_array( $callback, array() );
}
}
}
/**
* An apply_filters alternative used by W3TC when WP core is not available.
*
* @param string $hook Hook/filter name.
* @param mixed $value Value.
*/
function w3tc_apply_filters( $hook, $value ) {
$args = func_get_args();
array_shift( $args );
global $w3tc_actions;
if ( ! empty( $w3tc_actions[ $hook ] ) ) {
foreach ( $w3tc_actions[ $hook ] as $callback ) {
$value = call_user_func_array( $callback, $args );
$args[0] = $value;
}
}
return $value;
}
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