# metasync/2.6.22/includes/class-metasync-cache-purge.php Search Atlas SEO – OTTO AI SEO Automation for WordPress, version 2.6.22. 1,046 lines. - Page: https://pluginprobe.com/plugins/metasync/2.6.22/code/includes/class-metasync-cache-purge.php - Raw: https://pluginprobe.com/plugins/metasync/2.6.22/raw/includes/class-metasync-cache-purge.php - Modified: 2026-04-25T14:41:28+00:00 Line numbers below start at 1. Link to a line or a range by appending a fragment to the page URL, for example `https://pluginprobe.com/plugins/metasync/2.6.22/code/includes/class-metasync-cache-purge.php#L10-L20`. ```php array(), 'failed' => array(), 'not_active' => array() ); $post_ids = !empty($args['post_ids']) && is_array($args['post_ids']) ? array_map('intval', $args['post_ids']) : array(); // Clear WordPress built-in cache if ($this->clear_wordpress_cache($post_ids)) { $results['cleared'][] = 'WordPress Object Cache'; } // Clear WP Rocket if ($this->is_plugin_active('wp-rocket/wp-rocket.php')) { if ($this->clear_wp_rocket_cache()) { $results['cleared'][] = 'WP Rocket'; } else { $results['failed'][] = 'WP Rocket'; } } else { $results['not_active'][] = 'WP Rocket'; } // Clear LiteSpeed Cache if ($this->is_plugin_active('litespeed-cache/litespeed-cache.php')) { if ($this->clear_litespeed_cache()) { $results['cleared'][] = 'LiteSpeed Cache'; } else { $results['failed'][] = 'LiteSpeed Cache'; } } else { $results['not_active'][] = 'LiteSpeed Cache'; } // Clear W3 Total Cache if ($this->is_plugin_active('w3-total-cache/w3-total-cache.php')) { if ($this->clear_w3_total_cache()) { $results['cleared'][] = 'W3 Total Cache'; } else { $results['failed'][] = 'W3 Total Cache'; } } else { $results['not_active'][] = 'W3 Total Cache'; } // Clear WP Super Cache if ($this->is_plugin_active('wp-super-cache/wp-cache.php')) { if ($this->clear_wp_super_cache()) { $results['cleared'][] = 'WP Super Cache'; } else { $results['failed'][] = 'WP Super Cache'; } } else { $results['not_active'][] = 'WP Super Cache'; } // Clear WP Fastest Cache if ($this->is_plugin_active('wp-fastest-cache/wpFastestCache.php')) { if ($this->clear_wp_fastest_cache()) { $results['cleared'][] = 'WP Fastest Cache'; } else { $results['failed'][] = 'WP Fastest Cache'; } } else { $results['not_active'][] = 'WP Fastest Cache'; } // Clear Cache Enabler if ($this->is_plugin_active('cache-enabler/cache-enabler.php')) { if ($this->clear_cache_enabler()) { $results['cleared'][] = 'Cache Enabler'; } else { $results['failed'][] = 'Cache Enabler'; } } else { $results['not_active'][] = 'Cache Enabler'; } // Clear Hummingbird Cache if ($this->is_plugin_active('hummingbird-performance/wp-hummingbird.php')) { if ($this->clear_hummingbird_cache()) { $results['cleared'][] = 'Hummingbird'; } else { $results['failed'][] = 'Hummingbird'; } } else { $results['not_active'][] = 'Hummingbird'; } // Clear Autoptimize Cache if ($this->is_plugin_active('autoptimize/autoptimize.php')) { if ($this->clear_autoptimize_cache()) { $results['cleared'][] = 'Autoptimize'; } else { $results['failed'][] = 'Autoptimize'; } } else { $results['not_active'][] = 'Autoptimize'; } // Clear SG Optimizer (SiteGround) if ($this->is_plugin_active('sg-cachepress/sg-cachepress.php')) { if ($this->clear_sg_optimizer_cache()) { $results['cleared'][] = 'SG Optimizer'; } else { $results['failed'][] = 'SG Optimizer'; } } else { $results['not_active'][] = 'SG Optimizer'; } // Clear Comet Cache if ($this->is_plugin_active('comet-cache/comet-cache.php')) { if ($this->clear_comet_cache()) { $results['cleared'][] = 'Comet Cache'; } else { $results['failed'][] = 'Comet Cache'; } } else { $results['not_active'][] = 'Comet Cache'; } // Clear Swift Performance if ($this->is_plugin_active('swift-performance-lite/performance.php') || $this->is_plugin_active('swift-performance/performance.php')) { if ($this->clear_swift_performance_cache()) { $results['cleared'][] = 'Swift Performance'; } else { $results['failed'][] = 'Swift Performance'; } } else { $results['not_active'][] = 'Swift Performance'; } // Clear NitroPack Cache if ($this->is_plugin_active('nitropack/main.php')) { if ($this->clear_nitropack_cache()) { $results['cleared'][] = 'NitroPack'; } else { $results['failed'][] = 'NitroPack'; } } else { $results['not_active'][] = 'NitroPack'; } // Clear Kinsta Cache (hosting-level) — respects the "Hosting Cache Integration" setting $hosting_settings = get_option('metasync_hosting_cache_options', array('kinsta_enabled' => true, 'wpengine_enabled' => true)); if (!isset($hosting_settings['kinsta_enabled'])) { $hosting_settings['kinsta_enabled'] = true; } if (!isset($hosting_settings['wpengine_enabled'])) { $hosting_settings['wpengine_enabled'] = true; } if (!empty($hosting_settings['kinsta_enabled'])) { if (class_exists('KinstaCache')) { if ($this->clear_kinsta_cache()) { $results['cleared'][] = 'Kinsta Cache'; } else { $results['failed'][] = 'Kinsta Cache'; } } else { $results['not_active'][] = 'Kinsta Cache'; } } // Clear WP Engine Cache (hosting-level) — respects the "Hosting Cache Integration" setting if (!empty($hosting_settings['wpengine_enabled'])) { if (class_exists('WpeCommon')) { if ($this->clear_wpengine_cache()) { $results['cleared'][] = 'WP Engine Cache'; } else { $results['failed'][] = 'WP Engine Cache'; } } else { $results['not_active'][] = 'WP Engine Cache'; } } // Clear MetaSync Minification Cache if (class_exists('Metasync_Minification_Cache')) { try { Metasync_Minification_Cache::purge_all(); $results['cleared'][] = 'MetaSync Minification Cache'; } catch (\Throwable $e) { $results['failed'][] = 'MetaSync Minification Cache'; } } return $results; } /** * Clear cache for a specific URL or post * * @param string|int $url_or_post_id URL or Post ID * @return bool Success status */ public function clear_url_cache($url_or_post_id) { $success = false; // Determine if it's a URL or Post ID if (is_numeric($url_or_post_id)) { $post_id = intval($url_or_post_id); $url = get_permalink($post_id); } else { $url = $url_or_post_id; // Strip tracking query parameters before resolving post ID so // url_to_postid() receives a clean canonical URL $url = self::normalize_url($url); $post_id = url_to_postid($url); } // WP Rocket - Clear specific URL. // Prefer rocket_clean_url() (URL-based, WP Rocket 3+) so custom post types // and URLs that url_to_postid() can't resolve are still purged correctly. if ($this->is_plugin_active('wp-rocket/wp-rocket.php')) { try { if ($url && function_exists('rocket_clean_url')) { rocket_clean_url($url); $success = true; } elseif ($post_id && function_exists('rocket_clean_post')) { rocket_clean_post($post_id); $success = true; } } catch (\Throwable $e) { error_log('MetaSync: WP Rocket per-URL purge failed - ' . $e->getMessage()); } } // LiteSpeed Cache - Purge specific URL if ($this->is_plugin_active('litespeed-cache/litespeed-cache.php')) { try { if ($post_id && class_exists('LiteSpeed\\Purge')) { do_action('litespeed_purge_post', $post_id); $success = true; } } catch (\Throwable $e) { error_log('MetaSync: LiteSpeed per-URL purge failed - ' . $e->getMessage()); } } // W3 Total Cache - Flush specific post if ($this->is_plugin_active('w3-total-cache/w3-total-cache.php')) { try { if ($post_id && function_exists('w3tc_flush_post')) { w3tc_flush_post($post_id); $success = true; } } catch (\Throwable $e) { error_log('MetaSync: W3 Total Cache per-URL purge failed - ' . $e->getMessage()); } } // NitroPack - Purge specific URL cache (both local and remote cache) if ($this->is_plugin_active('nitropack/main.php')) { try { if ($url && function_exists('nitropack_sdk_purge')) { if (nitropack_sdk_purge($url, NULL, 'MetaSync OTTO cache clear', \NitroPack\SDK\PurgeType::COMPLETE)) { $success = true; } } } catch (\Throwable $e) { error_log('MetaSync: NitroPack per-URL purge failed - ' . $e->getMessage()); } } // WP Super Cache - Purge specific URL if ($this->is_plugin_active('wp-super-cache/wp-cache.php')) { try { if ($url && function_exists('wpsc_delete_url_cache')) { wpsc_delete_url_cache($url); $success = true; } elseif ($url && function_exists('prune_super_cache')) { // Fallback: derive cache file path from the URL $url_path = wp_parse_url($url, PHP_URL_PATH); if ($url_path) { $cache_path = trailingslashit(WP_CONTENT_DIR . '/cache/supercache/' . wp_parse_url($url, PHP_URL_HOST) . $url_path); prune_super_cache($cache_path, true); $success = true; } } } catch (\Throwable $e) { error_log('MetaSync: WP Super Cache per-URL purge failed - ' . $e->getMessage()); } } // WP Fastest Cache - Purge specific post cache // singleDeleteCache($comment_id, $post_id) requires a post ID, not URL if ($this->is_plugin_active('wp-fastest-cache/wpFastestCache.php')) { try { $wpfc_purged = false; if ($post_id && class_exists('WpFastestCache')) { $wpfc = new \WpFastestCache(); if (method_exists($wpfc, 'singleDeleteCache')) { $wpfc->singleDeleteCache(false, $post_id); $wpfc_purged = true; $success = true; } } if (!$wpfc_purged && $url) { do_action('wpfc_clear_post_cache_by_url', $url); $success = true; } } catch (\Throwable $e) { error_log('MetaSync: WP Fastest Cache per-URL purge failed - ' . $e->getMessage()); } } // Cache Enabler - Purge specific URL if ($this->is_plugin_active('cache-enabler/cache-enabler.php')) { try { if ($url) { do_action('cache_enabler_clear_page_cache_by_url', $url); $success = true; } } catch (\Throwable $e) { error_log('MetaSync: Cache Enabler per-URL purge failed - ' . $e->getMessage()); } } // Hummingbird - Purge specific URL/post if ($this->is_plugin_active('hummingbird-performance/wp-hummingbird.php')) { try { $hb_purged = false; if ($post_id) { do_action('wphb_clear_page_cache', $post_id); $hb_purged = true; $success = true; } if (!$hb_purged && class_exists('Hummingbird\\WP_Hummingbird')) { $modules = \Hummingbird\WP_Hummingbird::get_instance()->core->modules; if (isset($modules['page_cache']) && method_exists($modules['page_cache'], 'clear_cache')) { $modules['page_cache']->clear_cache(); $success = true; } } } catch (\Throwable $e) { error_log('MetaSync: Hummingbird per-URL purge failed - ' . $e->getMessage()); } } // SG Optimizer - Purge specific URL if ($this->is_plugin_active('sg-cachepress/sg-cachepress.php')) { try { if ($url && function_exists('sg_cachepress_purge_cache')) { sg_cachepress_purge_cache($url); $success = true; } else { do_action('sg_cachepress_purge_cache'); $success = true; } } catch (\Throwable $e) { error_log('MetaSync: SG Optimizer per-URL purge failed - ' . $e->getMessage()); } } // Comet Cache - Purge specific URL/post cache if ($this->is_plugin_active('comet-cache/comet-cache.php') && class_exists('comet_cache')) { try { if ($url && method_exists('comet_cache', 'clearUrl')) { comet_cache::clearUrl($url); $success = true; } elseif ($post_id && method_exists('comet_cache', 'clearPost')) { comet_cache::clearPost($post_id); $success = true; } } catch (\Throwable $e) { error_log('MetaSync: Comet Cache per-URL purge failed - ' . $e->getMessage()); } } // Swift Performance - Purge specific post cache if ($this->is_plugin_active('swift-performance-lite/performance.php') || $this->is_plugin_active('swift-performance/performance.php')) { try { if ($post_id && class_exists('Swift_Performance_Cache')) { Swift_Performance_Cache::clear_post_cache($post_id); $success = true; } } catch (\Throwable $e) { error_log('MetaSync: Swift Performance per-URL purge failed - ' . $e->getMessage()); } } // Autoptimize - Skipped for per-URL purge (only caches JS/CSS assets, not page HTML) // Kinsta - Purge specific URL (hosting-level cache, no plugin check needed) if ($url && class_exists('KinstaCache')) { try { KinstaCache::get_instance()->kinsta_cache_purge_single_url($url); $success = true; } catch (\Throwable $e) { error_log('MetaSync: Kinsta per-URL purge failed - ' . $e->getMessage()); } } // WP Engine - Purge specific URL (hosting-level cache, no plugin check needed) if (class_exists('WpeCommon') && $url) { try { if (method_exists('WpeCommon', 'purge_url')) { WpeCommon::purge_url($url); $success = true; } elseif (method_exists('WpeCommon', 'purge_varnish_cache_for_url')) { WpeCommon::purge_varnish_cache_for_url($url); $success = true; } } catch (\Throwable $e) { error_log('MetaSync: WP Engine per-URL purge failed - ' . $e->getMessage()); } } return $success; } /** * Clear WordPress built-in object cache. * * When $post_ids is provided and the metasync_targeted_object_cache option is * enabled (default: true), only those posts are evicted from the object cache. * This prevents destroying cached data for the entire site when only a handful * of OTTO pages were updated. * * Falls back to wp_cache_flush() when no post IDs are given, targeted mode is * disabled, or anything goes wrong. * * @param int[] $post_ids Optional list of post IDs to evict (targeted mode). */ private function clear_wordpress_cache($post_ids = array()) { try { $targeted_enabled = get_option('metasync_targeted_object_cache', '1') === '1'; if (!empty($post_ids) && $targeted_enabled) { foreach ($post_ids as $post_id) { wp_cache_delete($post_id, 'posts'); wp_cache_delete($post_id, 'post_meta'); clean_post_cache($post_id); } } else { wp_cache_flush(); } return true; } catch (\Throwable $e) { $this->log_cache_error('WordPress', $e); return false; } } /** * Clear WP Rocket cache */ private function clear_wp_rocket_cache() { try { // Clear all cache if (function_exists('rocket_clean_domain')) { rocket_clean_domain(); return true; } // Fallback: Clear minified CSS/JS if (function_exists('rocket_clean_minify')) { rocket_clean_minify(); } // Clear cache via action hook do_action('rocket_clean_domain'); return true; } catch (\Throwable $e) { $this->log_cache_error('WP Rocket', $e); return false; } } /** * Clear LiteSpeed Cache */ private function clear_litespeed_cache() { try { // Method 1: Use LiteSpeed purge action do_action('litespeed_purge_all'); // Method 2: Use LiteSpeed class if available if (class_exists('LiteSpeed\Purge')) { \LiteSpeed\Purge::purge_all(); } // Method 3: Set header for LiteSpeed server if (!headers_sent()) { header('X-LiteSpeed-Purge: *'); } return true; } catch (\Throwable $e) { $this->log_cache_error('LiteSpeed', $e); return false; } } /** * Clear W3 Total Cache */ private function clear_w3_total_cache() { try { // Method 1: Use W3TC functions if (function_exists('w3tc_flush_all')) { w3tc_flush_all(); return true; } // Method 2: Use W3TC class if (class_exists('W3_Plugin_TotalCache')) { $w3_plugin_totalcache = w3_instance('W3_Plugin_TotalCache'); if (method_exists($w3_plugin_totalcache, 'flush_all')) { $w3_plugin_totalcache->flush_all(); return true; } } // Method 3: Direct cache directory deletion if (function_exists('w3tc_pgcache_flush')) { w3tc_pgcache_flush(); } if (function_exists('w3tc_dbcache_flush')) { w3tc_dbcache_flush(); } if (function_exists('w3tc_minify_flush')) { w3tc_minify_flush(); } if (function_exists('w3tc_objectcache_flush')) { w3tc_objectcache_flush(); } return true; } catch (\Throwable $e) { $this->log_cache_error('W3 Total Cache', $e); return false; } } /** * Clear WP Super Cache */ private function clear_wp_super_cache() { try { global $file_prefix; if (function_exists('wp_cache_clean_cache')) { wp_cache_clean_cache($file_prefix, true); return true; } // Alternative method if (function_exists('wp_cache_clear_cache')) { wp_cache_clear_cache(); return true; } // Manual deletion if (function_exists('prune_super_cache')) { prune_super_cache(WP_CONTENT_DIR . '/cache/', true); return true; } return false; } catch (\Throwable $e) { $this->log_cache_error('WP Super Cache', $e); return false; } } /** * Clear WP Fastest Cache */ private function clear_wp_fastest_cache() { try { if (class_exists('WpFastestCache')) { $wpfc = new WpFastestCache(); if (method_exists($wpfc, 'deleteCache')) { $wpfc->deleteCache(true); return true; } } // Try action hook do_action('wpfc_clear_all_cache'); return true; } catch (\Throwable $e) { $this->log_cache_error('WP Fastest Cache', $e); return false; } } /** * Clear Cache Enabler */ private function clear_cache_enabler() { try { if (class_exists('Cache_Enabler')) { if (method_exists('Cache_Enabler', 'clear_complete_cache')) { \Cache_Enabler::clear_complete_cache(); return true; } } // Try action hook do_action('cache_enabler_clear_complete_cache'); return true; } catch (\Throwable $e) { $this->log_cache_error('Cache Enabler', $e); return false; } } /** * Clear Hummingbird Cache */ private function clear_hummingbird_cache() { try { if (class_exists('Hummingbird\\WP_Hummingbird')) { $modules = \Hummingbird\WP_Hummingbird::get_instance()->core->modules; if (isset($modules['page_cache'])) { $modules['page_cache']->clear_cache(); return true; } } // Try action hook do_action('wphb_clear_page_cache'); return true; } catch (\Throwable $e) { $this->log_cache_error('Hummingbird', $e); return false; } } /** * Clear Autoptimize Cache */ private function clear_autoptimize_cache() { try { if (class_exists('autoptimizeCache')) { autoptimizeCache::clearall(); return true; } // Try action hook do_action('autoptimize_action_cachepurged'); return true; } catch (\Throwable $e) { $this->log_cache_error('Autoptimize', $e); return false; } } /** * Clear SG Optimizer (SiteGround) Cache */ private function clear_sg_optimizer_cache() { try { if (function_exists('sg_cachepress_purge_cache')) { sg_cachepress_purge_cache(); return true; } // Try action hook do_action('sg_cachepress_purge_cache'); return true; } catch (\Throwable $e) { $this->log_cache_error('SG Optimizer', $e); return false; } } /** * Clear Comet Cache */ private function clear_comet_cache() { try { if (class_exists('comet_cache')) { comet_cache::clear(); return true; } // Try action hook do_action('comet_cache_clear'); return true; } catch (\Throwable $e) { $this->log_cache_error('Comet Cache', $e); return false; } } /** * Clear Swift Performance Cache */ private function clear_swift_performance_cache() { try { if (class_exists('Swift_Performance_Cache')) { Swift_Performance_Cache::clear_all_cache(); return true; } // Try action hook do_action('swift_performance_clear_all_cache'); return true; } catch (\Throwable $e) { $this->log_cache_error('Swift Performance', $e); return false; } } /** * Clear Kinsta hosting-level full-page cache (entire site) */ private function clear_kinsta_cache() { try { KinstaCache::get_instance()->kinsta_cache_purge_full(); return true; } catch (\Throwable $e) { $this->log_cache_error('Kinsta', $e); return false; } } /** * Clear WP Engine hosting-level cache (Varnish + memcached) */ private function clear_wpengine_cache() { try { WpeCommon::purge_varnish_cache(); WpeCommon::purge_memcached(); return true; } catch (\Throwable $e) { $this->log_cache_error('WP Engine', $e); return false; } } /** * Clear NitroPack full-site cache. * * nitropack_purge(NULL, NULL, $reason) is the documented way to purge the * entire NitroPack cache (all three parameters NULL = full site purge). * Falls back to nitropack_sdk_purge() with no URL/tag if the higher-level * wrapper is unavailable (older plugin versions). * * @see https://wordpress.org/support/topic/custom-caching-code-compatibility-with-nitropack/ */ private function clear_nitropack_cache() { try { if (function_exists('nitropack_purge')) { nitropack_purge(null, null, 'MetaSync full cache clear'); return true; } // Fallback: lower-level SDK function (same behaviour when url+tag are NULL) if (function_exists('nitropack_sdk_purge')) { nitropack_sdk_purge(null, null, 'MetaSync full cache clear'); return true; } return false; } catch (\Throwable $e) { $this->log_cache_error('NitroPack', $e); return false; } } /** * Static wrapper: clear all caches with try-catch * * @param string $source Source identifier for logging */ public static function purge_all($source = 'metasync') { try { self::get_instance()->clear_all_caches($source); } catch (\Throwable $e) { error_log('MetaSync: Cache purge failed (' . $source . ') - ' . $e->getMessage()); } } /** * Static wrapper: clear cache for a single URL with try-catch * * @param string $url URL to purge */ public static function purge_single_url($url) { try { self::get_instance()->clear_url_cache($url); } catch (\Throwable $e) { error_log('MetaSync: URL cache purge failed - ' . $e->getMessage()); } } /** * Warm cache for multiple URLs after a purge. * * Sends anonymous fire-and-forget requests so that our code — with fresh OTTO * data already in transients and post meta — is the first to populate each URL * in the hosting cache. Without this, the first external visitor (or the host's * own cache warmer) could re-cache a stale version before OTTO SSR has run. * * Capped at $max URLs per call to prevent excessive server load on large batches. * * @param array $urls List of URLs to warm * @param int $max Maximum URLs to warm per invocation (default 10) */ public static function warm_urls(array $urls, $max = 10) { $count = 0; foreach ($urls as $url) { if (++$count > $max) { break; } self::warm_url($url); } } /** * Send a single anonymous, non-blocking HTTP GET to a URL to prime the cache. * * The request carries no auth cookies, so the hosting layer (Kinsta, WP Engine, etc.) * treats it as an anonymous visitor and caches the PHP-rendered response. * OTTO SSR runs during this request and modifies the HTML before it is stored. * * Uses blocking=false so the pixel webhook returns immediately; the host * continues processing the request asynchronously. * * @param string $url URL to warm */ public static function warm_url($url) { if (empty($url) || !filter_var($url, FILTER_VALIDATE_URL)) { return; } // Strip tracking query parameters so cache warming targets the canonical URL $url = self::normalize_url($url); wp_remote_get($url, array( 'blocking' => false, // Fire-and-forget: don't wait for response 'timeout' => 3, // 3s to establish connection + send headers reliably // 0.01s was too short: TCP handshake could fail on loaded servers, // causing warm requests to silently drop before the request was sent. // blocking=false means we still don't wait for the response body. 'redirection' => 0, // No redirect following needed 'headers' => array( 'X-MetaSync-Cache-Warm' => '1', 'User-Agent' => 'MetaSync-Cache-Warmer/1.0', ), 'cookies' => array(), // No cookies = anonymous visitor = host will cache result 'sslverify' => false, // Avoid SSL issues on staging/local environments )); } /** * Strip known tracking/analytics query parameters from a URL. * * CDNs treat `/page/` and `/page/?utm_source=email` as separate cache entries. * Normalizing before purge/warm ensures we always target the canonical URL. * Non-tracking parameters (e.g. `?tab=pricing`) are preserved. * * @param string $url The URL to normalize * @return string The URL with tracking parameters removed */ private static function normalize_url($url) { if (empty($url) || strpos($url, '?') === false) { return $url; } $tracking_params = array( // Google Analytics / Ads 'utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content', 'gclid', 'gbraid', 'wbraid', 'dclid', // Google Analytics client IDs '_ga', '_gl', // Meta (Facebook / Instagram) 'fbclid', 'igshid', // Microsoft Ads 'msclkid', // TikTok 'ttclid', // Twitter / X 'twclid', // LinkedIn 'li_fat_id', // HubSpot 'mc_eid', '_hsenc', '_hsmi', // Yandex 'yclid', // Zanox / Awin 'zanpid', // Adobe Analytics 's_kwcid', ); return remove_query_arg($tracking_params, $url); } /** * Log a cache clear failure consistently * * @param string $plugin_name Human-readable plugin name * @param \Throwable $e The caught exception or error */ private function log_cache_error($plugin_name, $e) { error_log('MetaSync: Failed to clear ' . $plugin_name . ' cache - ' . $e->getMessage()); } /** * Check if a plugin is active * * @param string $plugin_path Plugin path (folder/file.php) * @return bool */ private function is_plugin_active($plugin_path) { if (!function_exists('is_plugin_active')) { include_once(ABSPATH . 'wp-admin/includes/plugin.php'); } return is_plugin_active($plugin_path); } /** * Get list of active cache plugins * * @return array List of active cache plugin names */ public function get_active_cache_plugins() { $cache_plugins = array( 'wp-rocket/wp-rocket.php' => 'WP Rocket', 'litespeed-cache/litespeed-cache.php' => 'LiteSpeed Cache', 'w3-total-cache/w3-total-cache.php' => 'W3 Total Cache', 'wp-super-cache/wp-cache.php' => 'WP Super Cache', 'wp-fastest-cache/wpFastestCache.php' => 'WP Fastest Cache', 'cache-enabler/cache-enabler.php' => 'Cache Enabler', 'hummingbird-performance/wp-hummingbird.php' => 'Hummingbird', 'autoptimize/autoptimize.php' => 'Autoptimize', 'sg-cachepress/sg-cachepress.php' => 'SG Optimizer', 'comet-cache/comet-cache.php' => 'Comet Cache', 'swift-performance-lite/performance.php' => 'Swift Performance Lite', 'swift-performance/performance.php' => 'Swift Performance', ); $active = array(); foreach ($cache_plugins as $plugin_path => $plugin_name) { if ($this->is_plugin_active($plugin_path)) { $active[$plugin_path] = $plugin_name; } } return $active; } } ```