697 lines
19 KiB
PHP
697 lines
19 KiB
PHP
<?php
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namespace W3TC;
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/**
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* W3 Total Cache plugin
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*/
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class Generic_Plugin {
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private $is_wp_die = false;
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private $_translations = array();
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private $_config = null;
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function __construct() {
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$this->_config = Dispatcher::config();
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}
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/**
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* Runs plugin
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*/
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function run() {
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add_filter( 'cron_schedules', array( $this, 'cron_schedules' ), 5 );
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/* need this to run before wp-cron to issue w3tc redirect */
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add_action( 'init', array( $this, 'init' ), 1 );
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if ( Util_Environment::is_w3tc_pro_dev() && Util_Environment::is_w3tc_pro( $this->_config ) ) {
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add_action( 'wp_footer', array( $this, 'pro_dev_mode' ) );
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}
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add_action( 'admin_bar_menu', array( $this, 'admin_bar_menu' ), 150 );
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add_action( 'admin_bar_init', array( $this, 'admin_bar_init' ) );
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$http_user_agent = isset( $_SERVER['HTTP_USER_AGENT'] ) ? sanitize_text_field( wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) ) : '';
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if ( ! empty( Util_Request::get_string( 'w3tc_theme' ) ) && stristr( $http_user_agent, W3TC_POWERED_BY ) !== false ) {
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add_filter( 'template', array( $this, 'template_preview' ) );
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add_filter( 'stylesheet', array( $this, 'stylesheet_preview' ) );
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} elseif ( $this->_config->get_boolean( 'mobile.enabled' ) || $this->_config->get_boolean( 'referrer.enabled' ) ) {
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add_filter( 'template', array( $this, 'template' ) );
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add_filter( 'stylesheet', array( $this, 'stylesheet' ) );
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}
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/**
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* Create cookies to flag if a pgcache role was loggedin
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*/
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if ( ! $this->_config->get_boolean( 'pgcache.reject.logged' ) && $this->_config->get_array( 'pgcache.reject.logged_roles' ) ) {
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add_action( 'set_logged_in_cookie', array( $this, 'check_login_action' ), 0, 5 );
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add_action( 'clear_auth_cookie', array( $this, 'check_login_action' ), 0, 5 );
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}
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if ( $this->can_ob() ) {
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add_filter( 'wp_die_xml_handler', array( $this, 'wp_die_handler' ) );
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add_filter( 'wp_die_handler', array( $this, 'wp_die_handler' ) );
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ob_start( array( $this, 'ob_callback' ) );
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}
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}
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/**
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* Marks wp_die was called so response is system message
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**/
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public function wp_die_handler( $v ) {
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$this->is_wp_die = true;
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return $v;
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}
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/**
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* Cron schedules filter
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*
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* @param array $schedules
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* @return array
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*/
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function cron_schedules( $schedules ) {
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// Sets default values which are overriden by apropriate plugins
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// if they are enabled
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//
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// absense of keys (if e.g. pgcaching became disabled, but there is
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// cron event scheduled in db) causes PHP notices.
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return array_merge(
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$schedules,
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array(
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'w3_cdn_cron_queue_process' => array(
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'interval' => 0,
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'display' => '[W3TC] CDN queue process (disabled)',
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),
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'w3_cdn_cron_upload' => array(
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'interval' => 0,
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'display' => '[W3TC] CDN auto upload (disabled)',
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),
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'w3_dbcache_cleanup' => array(
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'interval' => 0,
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'display' => '[W3TC] Database Cache file GC (disabled)',
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),
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'w3_fragmentcache_cleanup' => array(
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'interval' => 0,
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'display' => '[W3TC] Fragment Cache file GC (disabled)',
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),
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'w3_minify_cleanup' => array(
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'interval' => 0,
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'display' => '[W3TC] Minify file GC (disabled)',
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),
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'w3_objectcache_cleanup' => array(
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'interval' => 0,
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'display' => '[W3TC] Object Cache file GC (disabled)',
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),
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'w3_pgcache_cleanup' => array(
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'interval' => 0,
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'display' => '[W3TC] Page Cache file GC (disabled)',
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),
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'w3_pgcache_prime' => array(
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'interval' => 0,
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'display' => '[W3TC] Page Cache file GC (disabled)',
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),
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)
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);
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}
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/**
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* Init action
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*
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* @return void
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*/
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function init() {
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// Load W3TC textdomain for translations.
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$this->reset_l10n();
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load_plugin_textdomain( W3TC_TEXT_DOMAIN, false, dirname( plugin_basename( __FILE__ ) ) . '/languages' );
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if ( is_multisite() && ! is_network_admin() ) {
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global $w3_current_blog_id, $current_blog;
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if ( $w3_current_blog_id !== $current_blog->blog_id && ! isset( $GLOBALS['w3tc_blogmap_register_new_item'] ) ) {
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$url = Util_Environment::host_port() . ( isset( $_SERVER['REQUEST_URI'] ) ? esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : '' );
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$pos = strpos( $url, '?' );
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if ( false !== $pos ) {
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$url = substr( $url, 0, $pos );
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}
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$GLOBALS['w3tc_blogmap_register_new_item'] = $url;
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}
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}
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if ( isset( $GLOBALS['w3tc_blogmap_register_new_item'] ) ) {
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$do_redirect = Util_WpmuBlogmap::register_new_item( $this->_config );
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// reset cache of blog_id.
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Util_Environment::reset_microcache();
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Dispatcher::reset_config();
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// change config to actual blog, it was master before.
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$this->_config = new Config();
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// fix environment, potentially it's first request to a specific blog.
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$environment = Dispatcher::component( 'Root_Environment' );
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$environment->fix_on_event( $this->_config, 'first_frontend', $this->_config );
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// need to repeat request processing, since we was not able to realize
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// blog_id before so we are running with master config now.
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// redirect to the same url causes "redirect loop" error in browser,
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// so need to redirect to something a bit different.
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if ( $do_redirect ) {
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if ( ( defined( 'WP_CLI' ) && WP_CLI ) || php_sapi_name() === 'cli' ) {
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// command-line mode, no real requests made,
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// try to switch context in-request.
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} else {
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$request_uri = isset( $_SERVER['REQUEST_URI'] ) ? esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : '';
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if ( strpos( $request_uri, '?' ) === false ) {
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Util_Environment::safe_redirect_temp( $request_uri . '?repeat=w3tc' );
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} else {
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if ( strpos( $request_uri, 'repeat=w3tc' ) === false ) {
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Util_Environment::safe_redirect_temp( $request_uri . '&repeat=w3tc' );
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}
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}
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}
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}
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}
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/**
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* Check for rewrite test request
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*/
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$rewrite_test = Util_Request::get_boolean( 'w3tc_rewrite_test' );
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if ( $rewrite_test ) {
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echo 'OK';
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exit();
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}
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$admin_bar = false;
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if ( function_exists( 'is_admin_bar_showing' ) ) {
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$admin_bar = is_admin_bar_showing();
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}
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if ( $admin_bar ) {
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add_action( 'wp_print_scripts', array( $this, 'popup_script' ) );
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}
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// dont add system stuff to search results.
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$repeat_val = Util_Request::get_string( 'repeat' );
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if ( ( ! empty( $repeat_val ) && 'w3tc' === $repeat_val ) || Util_Environment::is_preview_mode() ) {
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header( 'X-Robots-Tag: noindex' );
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}
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}
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public function admin_bar_init() {
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$font_base = plugins_url( 'pub/fonts/w3tc', W3TC_FILE );
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$css = "
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@font-face {
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font-family: 'w3tc';
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src: url('$font_base.eot');
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src: url('$font_base.eot?#iefix') format('embedded-opentype'),
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url('$font_base.woff') format('woff'),
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url('$font_base.ttf') format('truetype'),
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url('$font_base.svg#w3tc') format('svg');
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font-weight: normal;
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font-style: normal;
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}
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.w3tc-icon:before{
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content:'\\0041'; top: 2px;
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font-family: 'w3tc';
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}";
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wp_add_inline_style( 'admin-bar', $css);
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}
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/**
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* Admin bar menu
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*
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* @return void
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*/
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function admin_bar_menu() {
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global $wp_admin_bar;
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$base_capability = apply_filters( 'w3tc_capability_admin_bar', 'manage_options' );
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if ( current_user_can( $base_capability ) ) {
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$modules = Dispatcher::component( 'ModuleStatus' );
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$menu_items = array();
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$menu_items['00010.generic'] = array(
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'id' => 'w3tc',
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'title' => sprintf(
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'<span class="w3tc-icon ab-icon"></span><span class="ab-label">%s</span>',
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__( 'Performance', 'w3-total-cache' )
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),
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'href' => wp_nonce_url(
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network_admin_url( 'admin.php?page=w3tc_dashboard' ),
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'w3tc'
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),
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);
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if ( $modules->plugin_is_enabled() ) {
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$menu_items['10010.generic'] = array(
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'id' => 'w3tc_flush_all',
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'parent' => 'w3tc',
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'title' => __( 'Purge All Caches', 'w3-total-cache' ),
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'href' => wp_nonce_url(
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network_admin_url( 'admin.php?page=w3tc_dashboard&w3tc_flush_all' ),
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'w3tc'
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),
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);
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if (
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! empty( $this->_config->get_string( array( 'cloudflare', 'email' ) ) )
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&& ! empty( $this->_config->get_string( array( 'cloudflare', 'key' ) ) )
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&& (
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$modules->can_empty_memcache()
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|| $modules->can_empty_opcode()
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|| $modules->can_empty_file()
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|| $modules->can_empty_varnish()
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)
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) {
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$menu_items['10015.generic'] = array(
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'id' => 'w3tc_flush_all_except_cf',
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'parent' => 'w3tc',
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'title' => __( 'Purge All Caches Except CloudFlare', 'w3-total-cache' ),
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'href' => wp_nonce_url(
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network_admin_url( 'admin.php?page=w3tc_dashboard&w3tc_cloudflare_flush_all_except_cf' ),
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'w3tc'
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),
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);
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}
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if ( ! is_admin() ) {
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$menu_items['10020.generic'] = array(
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'id' => 'w3tc_flush_current_page',
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'parent' => 'w3tc',
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'title' => __( 'Purge Current Page', 'w3-total-cache' ),
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'href' => wp_nonce_url(
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admin_url( 'admin.php?page=w3tc_dashboard&w3tc_flush_post&post_id=' . Util_Environment::detect_post_id() . '&force=true' ),
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'w3tc'
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),
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);
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}
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$menu_items['20010.generic'] = array(
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'id' => 'w3tc_flush',
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'parent' => 'w3tc',
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'title' => __( 'Purge Modules', 'w3-total-cache' ),
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);
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}
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$menu_items['30000.generic'] = array(
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'id' => 'w3tc_feature_showcase',
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'parent' => 'w3tc',
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'title' => __( 'Feature Showcase', 'w3-total-cache' ),
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'href' => wp_nonce_url(
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network_admin_url( 'admin.php?page=w3tc_feature_showcase' ),
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'w3tc'
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),
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);
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$menu_items['40010.generic'] = array(
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'id' => 'w3tc_settings_general',
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'parent' => 'w3tc',
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'title' => __( 'General Settings', 'w3-total-cache' ),
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'href' => wp_nonce_url(
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network_admin_url( 'admin.php?page=w3tc_general' ),
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'w3tc'
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),
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);
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$menu_items['40020.generic'] = array(
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'id' => 'w3tc_settings_extensions',
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'parent' => 'w3tc',
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'title' => __( 'Manage Extensions', 'w3-total-cache' ),
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'href' => wp_nonce_url(
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network_admin_url( 'admin.php?page=w3tc_extensions' ),
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'w3tc'
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),
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);
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$menu_items['40030.generic'] = array(
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'id' => 'w3tc_settings_faq',
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'parent' => 'w3tc',
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'title' => __( 'FAQ', 'w3-total-cache' ),
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'href' => wp_nonce_url(
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network_admin_url( 'admin.php?page=w3tc_faq' ),
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'w3tc'
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),
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);
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$menu_items['60010.generic'] = array(
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'id' => 'w3tc_support',
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'parent' => 'w3tc',
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'title' => __( 'Support', 'w3-total-cache' ),
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'href' => wp_nonce_url(
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network_admin_url( 'admin.php?page=w3tc_support' ),
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'w3tc'
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),
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);
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if ( defined( 'W3TC_DEBUG' ) && W3TC_DEBUG ) {
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$menu_items['90010.generic'] = array(
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'id' => 'w3tc_debug_overlays',
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'parent' => 'w3tc',
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'title' => __( 'Debug: Overlays', 'w3-total-cache' ),
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);
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$menu_items['90020.generic'] = array(
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'id' => 'w3tc_overlay_support_us',
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'parent' => 'w3tc_debug_overlays',
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'title' => __( 'Support Us', 'w3-total-cache' ),
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'href' => wp_nonce_url(
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network_admin_url( 'admin.php?page=w3tc_dashboard&w3tc_message_action=generic_support_us' ),
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'w3tc'
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),
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);
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}
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$menu_items = apply_filters( 'w3tc_admin_bar_menu', $menu_items );
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$keys = array_keys( $menu_items );
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asort( $keys );
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foreach ( $keys as $key ) {
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$capability = apply_filters(
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'w3tc_capability_admin_bar_' . $menu_items[ $key ]['id'],
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$base_capability
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);
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if ( current_user_can( $capability ) ) {
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$wp_admin_bar->add_menu( $menu_items[ $key ] );
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}
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}
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}
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}
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/**
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* Template filter
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*
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* @param unknown $template
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* @return string
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*/
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function template( $template ) {
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$w3_mobile = Dispatcher::component( 'Mobile_UserAgent' );
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$mobile_template = $w3_mobile->get_template();
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if ( $mobile_template ) {
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return $mobile_template;
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} else {
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$w3_referrer = Dispatcher::component( 'Mobile_Referrer' );
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$referrer_template = $w3_referrer->get_template();
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if ( $referrer_template ) {
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return $referrer_template;
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}
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}
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return $template;
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}
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/**
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* Stylesheet filter
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*
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* @param unknown $stylesheet
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* @return string
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*/
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function stylesheet( $stylesheet ) {
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$w3_mobile = Dispatcher::component( 'Mobile_UserAgent' );
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$mobile_stylesheet = $w3_mobile->get_stylesheet();
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if ( $mobile_stylesheet ) {
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return $mobile_stylesheet;
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} else {
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$w3_referrer = Dispatcher::component( 'Mobile_Referrer' );
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$referrer_stylesheet = $w3_referrer->get_stylesheet();
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if ( $referrer_stylesheet ) {
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return $referrer_stylesheet;
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}
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}
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return $stylesheet;
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}
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/**
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* Template filter
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*
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* @param unknown $template
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* @return string
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*/
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function template_preview( $template ) {
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$theme_name = Util_Request::get_string( 'w3tc_theme' );
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$theme = Util_Theme::get( $theme_name );
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if ( $theme ) {
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return $theme['Template'];
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}
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return $template;
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}
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/**
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* Stylesheet filter
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*
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* @param unknown $stylesheet
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* @return string
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*/
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function stylesheet_preview( $stylesheet ) {
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$theme_name = Util_Request::get_string( 'w3tc_theme' );
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$theme = Util_Theme::get( $theme_name );
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if ( $theme ) {
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return $theme['Stylesheet'];
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}
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return $stylesheet;
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}
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/**
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* Output buffering callback
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*
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* @param string $buffer
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* @return string
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*/
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function ob_callback( $buffer ) {
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global $wpdb;
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global $w3_late_caching_succeeded;
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if ( $w3_late_caching_succeeded ) {
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return $buffer;
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}
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if ( $this->is_wp_die && ! apply_filters( 'w3tc_process_wp_die', false, $buffer ) ) {
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// wp_die is dynamic output (usually fatal errors), dont process it
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} else {
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$buffer = apply_filters( 'w3tc_process_content', $buffer );
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if ( Util_Content::can_print_comment( $buffer ) ) {
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/**
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* Add footer comment
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*/
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$date = date_i18n( 'Y-m-d H:i:s' );
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$host = ( ! empty( $_SERVER['SERVER_NAME'] ) ? sanitize_text_field( wp_unslash( $_SERVER['SERVER_NAME'] ) ) : 'localhost' );
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if ( Util_Environment::is_preview_mode() ) {
|
|
$buffer .= "\r\n<!-- W3 Total Cache used in preview mode -->";
|
|
}
|
|
|
|
$strings = array();
|
|
|
|
if ( ! $this->_config->get_boolean( 'common.tweeted' ) ) {
|
|
$strings[] = 'Performance optimized by W3 Total Cache. Learn more: https://www.boldgrid.com/w3-total-cache/';
|
|
$strings[] = '';
|
|
}
|
|
|
|
$strings = apply_filters( 'w3tc_footer_comment', $strings );
|
|
|
|
if ( count( $strings ) ) {
|
|
$strings[] = '';
|
|
$strings[] = sprintf(
|
|
'Served from: %1$s @ %2$s by W3 Total Cache',
|
|
Util_Content::escape_comment( $host ),
|
|
$date
|
|
);
|
|
|
|
$buffer .= "\r\n<!--\r\n" .
|
|
Util_Content::escape_comment( implode( "\r\n", $strings ) ) .
|
|
"\r\n-->";
|
|
}
|
|
}
|
|
|
|
$buffer = Util_Bus::do_ob_callbacks(
|
|
array(
|
|
'swarmify',
|
|
'lazyload',
|
|
'minify',
|
|
'newrelic',
|
|
'cdn',
|
|
'browsercache',
|
|
'pagecache',
|
|
),
|
|
$buffer
|
|
);
|
|
|
|
$buffer = apply_filters( 'w3tc_processed_content', $buffer );
|
|
}
|
|
|
|
return $buffer;
|
|
}
|
|
|
|
/**
|
|
* Check if we can do modify contents
|
|
*
|
|
* @return boolean
|
|
*/
|
|
function can_ob() {
|
|
global $w3_late_init;
|
|
if ( $w3_late_init ) {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Skip if doing AJAX
|
|
*/
|
|
if ( defined( 'DOING_AJAX' ) ) {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Skip if doing cron
|
|
*/
|
|
if ( defined( 'DOING_CRON' ) ) {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Skip if APP request
|
|
*/
|
|
if ( defined( 'APP_REQUEST' ) ) {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Skip if XMLRPC request
|
|
*/
|
|
if ( defined( 'XMLRPC_REQUEST' ) ) {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Check for WPMU's and WP's 3.0 short init
|
|
*/
|
|
if ( defined( 'SHORTINIT' ) && SHORTINIT ) {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Check User Agent
|
|
*/
|
|
$http_user_agent = isset( $_SERVER['HTTP_USER_AGENT'] ) ? sanitize_text_field( wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) ) : '';
|
|
if ( stristr( $http_user_agent, W3TC_POWERED_BY ) !== false ) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* User login hook
|
|
* Check if current user is not listed in pgcache.reject.* rules
|
|
* If so, set a role cookie so the requests wont be cached
|
|
*/
|
|
function check_login_action( $logged_in_cookie = false, $expire = ' ', $expiration = 0, $user_id = 0, $action = 'logged_out' ) {
|
|
$current_user = wp_get_current_user();
|
|
if ( isset( $current_user->ID ) && ! $current_user->ID ) {
|
|
$user_id = new \WP_User( $user_id );
|
|
} else {
|
|
$user_id = $current_user;
|
|
}
|
|
|
|
if ( is_string( $user_id->roles ) ) {
|
|
$roles = array( $user_id->roles );
|
|
} elseif ( ! is_array( $user_id->roles ) || count( $user_id->roles ) <= 0 ) {
|
|
return;
|
|
} else {
|
|
$roles = $user_id->roles;
|
|
}
|
|
|
|
$rejected_roles = $this->_config->get_array( 'pgcache.reject.roles' );
|
|
|
|
if ( 'logged_out' === $action ) {
|
|
foreach ( $rejected_roles as $role ) {
|
|
$role_hash = md5( NONCE_KEY . $role );
|
|
setcookie(
|
|
'w3tc_logged_' . $role_hash,
|
|
$expire,
|
|
time() - 31536000,
|
|
COOKIEPATH,
|
|
COOKIE_DOMAIN
|
|
);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
if ( 'logged_in' !== $action ) {
|
|
return;
|
|
}
|
|
|
|
foreach ( $roles as $role ) {
|
|
if ( in_array( $role, $rejected_roles, true ) ) {
|
|
$role_hash = md5( NONCE_KEY . $role );
|
|
setcookie(
|
|
'w3tc_logged_' . $role_hash,
|
|
true,
|
|
$expire,
|
|
COOKIEPATH,
|
|
COOKIE_DOMAIN,
|
|
is_ssl(),
|
|
true
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
function popup_script() {
|
|
if ( function_exists( 'is_amp_endpoint' ) && is_amp_endpoint() ) {
|
|
return;
|
|
}
|
|
?>
|
|
<script type="text/javascript">
|
|
function w3tc_popupadmin_bar(url) {
|
|
return window.open(url, '', 'width=800,height=600,status=no,toolbar=no,menubar=no,scrollbars=yes');
|
|
}
|
|
</script>
|
|
<?php
|
|
}
|
|
|
|
private function is_debugging() {
|
|
$debug = $this->_config->get_boolean( 'pgcache.enabled' ) && $this->_config->get_boolean( 'pgcache.debug' );
|
|
$debug = $debug || ( $this->_config->get_boolean( 'dbcache.enabled' ) && $this->_config->get_boolean( 'dbcache.debug' ) );
|
|
$debug = $debug || ( $this->_config->getf_boolean( 'objectcache.enabled' ) && $this->_config->get_boolean( 'objectcache.debug' ) );
|
|
$debug = $debug || ( $this->_config->get_boolean( 'browsercache.enabled' ) && $this->_config->get_boolean( 'browsercache.debug' ) );
|
|
$debug = $debug || ( $this->_config->get_boolean( 'minify.enabled' ) && $this->_config->get_boolean( 'minify.debug' ) );
|
|
$debug = $debug || ( $this->_config->get_boolean( 'cdn.enabled' ) && $this->_config->get_boolean( 'cdn.debug' ) );
|
|
|
|
return $debug;
|
|
}
|
|
|
|
public function pro_dev_mode() {
|
|
echo '<!-- W3 Total Cache is currently running in Pro version Development mode. --><div style="border:2px solid red;text-align:center;font-size:1.2em;color:red"><p><strong>W3 Total Cache is currently running in Pro version Development mode.</strong></p></div>';
|
|
}
|
|
|
|
/**
|
|
* Reset the l10n global variables for our text domain.
|
|
*
|
|
* @return void
|
|
*
|
|
* @since 2.2.8
|
|
*/
|
|
public function reset_l10n() {
|
|
global $l10n;
|
|
|
|
unset( $l10n['w3-total-cache'] );
|
|
}
|
|
}
|