| 1 |
<?php |
| 2 |
/** |
| 3 |
* MetaSync Universal Cache Purge Handler |
| 4 |
* |
| 5 |
* Integrates with all major WordPress cache plugins to ensure |
| 6 |
* changes made by MetaSync and OTTO are immediately visible |
| 7 |
* |
| 8 |
* @package Metasync |
| 9 |
* @subpackage Metasync/includes |
| 10 |
* @since 1.0.0 |
| 11 |
*/ |
| 12 |
|
| 13 |
// Prevent direct access |
| 14 |
if (!defined('ABSPATH')) { |
| 15 |
exit; |
| 16 |
} |
| 17 |
|
| 18 |
class Metasync_Cache_Purge |
| 19 |
{ |
| 20 |
/** |
| 21 |
* Singleton instance |
| 22 |
*/ |
| 23 |
private static $instance = null; |
| 24 |
|
| 25 |
/** |
| 26 |
* Get singleton instance |
| 27 |
*/ |
| 28 |
public static function get_instance() |
| 29 |
{ |
| 30 |
if (null === self::$instance) { |
| 31 |
self::$instance = new self(); |
| 32 |
} |
| 33 |
return self::$instance; |
| 34 |
} |
| 35 |
|
| 36 |
/** |
| 37 |
* Constructor - private to enforce singleton |
| 38 |
*/ |
| 39 |
private function __construct() |
| 40 |
{ |
| 41 |
// Constructor is private |
| 42 |
} |
| 43 |
|
| 44 |
/** |
| 45 |
* Clear ALL cache from ALL detected cache plugins |
| 46 |
* |
| 47 |
* @param string $source Optional source identifier for logging |
| 48 |
* @param array $args Optional arguments: |
| 49 |
* 'post_ids' (int[]) — when provided, only those posts are |
| 50 |
* removed from the object cache (targeted mode). |
| 51 |
* When absent, falls back to wp_cache_flush(). |
| 52 |
* @return array Results of cache clearing attempts |
| 53 |
*/ |
| 54 |
public function clear_all_caches($source = 'metasync', $args = array()) |
| 55 |
{ |
| 56 |
$results = array( |
| 57 |
'cleared' => array(), |
| 58 |
'failed' => array(), |
| 59 |
'not_active' => array() |
| 60 |
); |
| 61 |
|
| 62 |
$post_ids = !empty($args['post_ids']) && is_array($args['post_ids']) |
| 63 |
? array_map('intval', $args['post_ids']) |
| 64 |
: array(); |
| 65 |
|
| 66 |
// Clear WordPress built-in cache |
| 67 |
if ($this->clear_wordpress_cache($post_ids)) { |
| 68 |
$results['cleared'][] = 'WordPress Object Cache'; |
| 69 |
} |
| 70 |
|
| 71 |
// Clear WP Rocket |
| 72 |
if ($this->is_plugin_active('wp-rocket/wp-rocket.php')) { |
| 73 |
if ($this->clear_wp_rocket_cache()) { |
| 74 |
$results['cleared'][] = 'WP Rocket'; |
| 75 |
} else { |
| 76 |
$results['failed'][] = 'WP Rocket'; |
| 77 |
} |
| 78 |
} else { |
| 79 |
$results['not_active'][] = 'WP Rocket'; |
| 80 |
} |
| 81 |
|
| 82 |
// Clear LiteSpeed Cache |
| 83 |
if ($this->is_plugin_active('litespeed-cache/litespeed-cache.php')) { |
| 84 |
if ($this->clear_litespeed_cache()) { |
| 85 |
$results['cleared'][] = 'LiteSpeed Cache'; |
| 86 |
} else { |
| 87 |
$results['failed'][] = 'LiteSpeed Cache'; |
| 88 |
} |
| 89 |
} else { |
| 90 |
$results['not_active'][] = 'LiteSpeed Cache'; |
| 91 |
} |
| 92 |
|
| 93 |
// Clear W3 Total Cache |
| 94 |
if ($this->is_plugin_active('w3-total-cache/w3-total-cache.php')) { |
| 95 |
if ($this->clear_w3_total_cache()) { |
| 96 |
$results['cleared'][] = 'W3 Total Cache'; |
| 97 |
} else { |
| 98 |
$results['failed'][] = 'W3 Total Cache'; |
| 99 |
} |
| 100 |
} else { |
| 101 |
$results['not_active'][] = 'W3 Total Cache'; |
| 102 |
} |
| 103 |
|
| 104 |
// Clear WP Super Cache |
| 105 |
if ($this->is_plugin_active('wp-super-cache/wp-cache.php')) { |
| 106 |
if ($this->clear_wp_super_cache()) { |
| 107 |
$results['cleared'][] = 'WP Super Cache'; |
| 108 |
} else { |
| 109 |
$results['failed'][] = 'WP Super Cache'; |
| 110 |
} |
| 111 |
} else { |
| 112 |
$results['not_active'][] = 'WP Super Cache'; |
| 113 |
} |
| 114 |
|
| 115 |
// Clear WP Fastest Cache |
| 116 |
if ($this->is_plugin_active('wp-fastest-cache/wpFastestCache.php')) { |
| 117 |
if ($this->clear_wp_fastest_cache()) { |
| 118 |
$results['cleared'][] = 'WP Fastest Cache'; |
| 119 |
} else { |
| 120 |
$results['failed'][] = 'WP Fastest Cache'; |
| 121 |
} |
| 122 |
} else { |
| 123 |
$results['not_active'][] = 'WP Fastest Cache'; |
| 124 |
} |
| 125 |
|
| 126 |
// Clear Cache Enabler |
| 127 |
if ($this->is_plugin_active('cache-enabler/cache-enabler.php')) { |
| 128 |
if ($this->clear_cache_enabler()) { |
| 129 |
$results['cleared'][] = 'Cache Enabler'; |
| 130 |
} else { |
| 131 |
$results['failed'][] = 'Cache Enabler'; |
| 132 |
} |
| 133 |
} else { |
| 134 |
$results['not_active'][] = 'Cache Enabler'; |
| 135 |
} |
| 136 |
|
| 137 |
// Clear Hummingbird Cache |
| 138 |
if ($this->is_plugin_active('hummingbird-performance/wp-hummingbird.php')) { |
| 139 |
if ($this->clear_hummingbird_cache()) { |
| 140 |
$results['cleared'][] = 'Hummingbird'; |
| 141 |
} else { |
| 142 |
$results['failed'][] = 'Hummingbird'; |
| 143 |
} |
| 144 |
} else { |
| 145 |
$results['not_active'][] = 'Hummingbird'; |
| 146 |
} |
| 147 |
|
| 148 |
// Clear Autoptimize Cache |
| 149 |
if ($this->is_plugin_active('autoptimize/autoptimize.php')) { |
| 150 |
if ($this->clear_autoptimize_cache()) { |
| 151 |
$results['cleared'][] = 'Autoptimize'; |
| 152 |
} else { |
| 153 |
$results['failed'][] = 'Autoptimize'; |
| 154 |
} |
| 155 |
} else { |
| 156 |
$results['not_active'][] = 'Autoptimize'; |
| 157 |
} |
| 158 |
|
| 159 |
// Clear SG Optimizer (SiteGround) |
| 160 |
if ($this->is_plugin_active('sg-cachepress/sg-cachepress.php')) { |
| 161 |
if ($this->clear_sg_optimizer_cache()) { |
| 162 |
$results['cleared'][] = 'SG Optimizer'; |
| 163 |
} else { |
| 164 |
$results['failed'][] = 'SG Optimizer'; |
| 165 |
} |
| 166 |
} else { |
| 167 |
$results['not_active'][] = 'SG Optimizer'; |
| 168 |
} |
| 169 |
|
| 170 |
// Clear Comet Cache |
| 171 |
if ($this->is_plugin_active('comet-cache/comet-cache.php')) { |
| 172 |
if ($this->clear_comet_cache()) { |
| 173 |
$results['cleared'][] = 'Comet Cache'; |
| 174 |
} else { |
| 175 |
$results['failed'][] = 'Comet Cache'; |
| 176 |
} |
| 177 |
} else { |
| 178 |
$results['not_active'][] = 'Comet Cache'; |
| 179 |
} |
| 180 |
|
| 181 |
// Clear Swift Performance |
| 182 |
if ($this->is_plugin_active('swift-performance-lite/performance.php') || |
| 183 |
$this->is_plugin_active('swift-performance/performance.php')) { |
| 184 |
if ($this->clear_swift_performance_cache()) { |
| 185 |
$results['cleared'][] = 'Swift Performance'; |
| 186 |
} else { |
| 187 |
$results['failed'][] = 'Swift Performance'; |
| 188 |
} |
| 189 |
} else { |
| 190 |
$results['not_active'][] = 'Swift Performance'; |
| 191 |
} |
| 192 |
|
| 193 |
// Clear NitroPack Cache |
| 194 |
if ($this->is_plugin_active('nitropack/main.php')) { |
| 195 |
if ($this->clear_nitropack_cache()) { |
| 196 |
$results['cleared'][] = 'NitroPack'; |
| 197 |
} else { |
| 198 |
$results['failed'][] = 'NitroPack'; |
| 199 |
} |
| 200 |
} else { |
| 201 |
$results['not_active'][] = 'NitroPack'; |
| 202 |
} |
| 203 |
|
| 204 |
// Clear Kinsta Cache (hosting-level) — respects the "Hosting Cache Integration" setting |
| 205 |
$hosting_settings = get_option('metasync_hosting_cache_options', array('kinsta_enabled' => true, 'wpengine_enabled' => true)); |
| 206 |
if (!isset($hosting_settings['kinsta_enabled'])) { |
| 207 |
$hosting_settings['kinsta_enabled'] = true; |
| 208 |
} |
| 209 |
if (!isset($hosting_settings['wpengine_enabled'])) { |
| 210 |
$hosting_settings['wpengine_enabled'] = true; |
| 211 |
} |
| 212 |
|
| 213 |
if (!empty($hosting_settings['kinsta_enabled'])) { |
| 214 |
if (class_exists('KinstaCache')) { |
| 215 |
if ($this->clear_kinsta_cache()) { |
| 216 |
$results['cleared'][] = 'Kinsta Cache'; |
| 217 |
} else { |
| 218 |
$results['failed'][] = 'Kinsta Cache'; |
| 219 |
} |
| 220 |
} else { |
| 221 |
$results['not_active'][] = 'Kinsta Cache'; |
| 222 |
} |
| 223 |
} |
| 224 |
|
| 225 |
// Clear WP Engine Cache (hosting-level) — respects the "Hosting Cache Integration" setting |
| 226 |
if (!empty($hosting_settings['wpengine_enabled'])) { |
| 227 |
if (class_exists('WpeCommon')) { |
| 228 |
if ($this->clear_wpengine_cache()) { |
| 229 |
$results['cleared'][] = 'WP Engine Cache'; |
| 230 |
} else { |
| 231 |
$results['failed'][] = 'WP Engine Cache'; |
| 232 |
} |
| 233 |
} else { |
| 234 |
$results['not_active'][] = 'WP Engine Cache'; |
| 235 |
} |
| 236 |
} |
| 237 |
|
| 238 |
// Clear MetaSync Minification Cache |
| 239 |
if (class_exists('Metasync_Minification_Cache')) { |
| 240 |
try { |
| 241 |
Metasync_Minification_Cache::purge_all(); |
| 242 |
$results['cleared'][] = 'MetaSync Minification Cache'; |
| 243 |
} catch (\Throwable $e) { |
| 244 |
$results['failed'][] = 'MetaSync Minification Cache'; |
| 245 |
} |
| 246 |
} |
| 247 |
|
| 248 |
return $results; |
| 249 |
} |
| 250 |
|
| 251 |
/** |
| 252 |
* Clear cache for a specific URL or post |
| 253 |
* |
| 254 |
* @param string|int $url_or_post_id URL or Post ID |
| 255 |
* @return bool Success status |
| 256 |
*/ |
| 257 |
public function clear_url_cache($url_or_post_id) |
| 258 |
{ |
| 259 |
$success = false; |
| 260 |
|
| 261 |
// Determine if it's a URL or Post ID |
| 262 |
if (is_numeric($url_or_post_id)) { |
| 263 |
$post_id = intval($url_or_post_id); |
| 264 |
$url = get_permalink($post_id); |
| 265 |
} else { |
| 266 |
$url = $url_or_post_id; |
| 267 |
// Strip tracking query parameters before resolving post ID so |
| 268 |
// url_to_postid() receives a clean canonical URL |
| 269 |
$url = self::normalize_url($url); |
| 270 |
$post_id = url_to_postid($url); |
| 271 |
} |
| 272 |
|
| 273 |
// WP Rocket - Clear specific URL. |
| 274 |
// Prefer rocket_clean_url() (URL-based, WP Rocket 3+) so custom post types |
| 275 |
// and URLs that url_to_postid() can't resolve are still purged correctly. |
| 276 |
if ($this->is_plugin_active('wp-rocket/wp-rocket.php')) { |
| 277 |
try { |
| 278 |
if ($url && function_exists('rocket_clean_url')) { |
| 279 |
rocket_clean_url($url); |
| 280 |
$success = true; |
| 281 |
} elseif ($post_id && function_exists('rocket_clean_post')) { |
| 282 |
rocket_clean_post($post_id); |
| 283 |
$success = true; |
| 284 |
} |
| 285 |
} catch (\Throwable $e) { |
| 286 |
error_log('MetaSync: WP Rocket per-URL purge failed - ' . $e->getMessage()); |
| 287 |
} |
| 288 |
} |
| 289 |
|
| 290 |
// LiteSpeed Cache - Purge specific URL |
| 291 |
if ($this->is_plugin_active('litespeed-cache/litespeed-cache.php')) { |
| 292 |
try { |
| 293 |
if ($post_id && class_exists('LiteSpeed\\Purge')) { |
| 294 |
do_action('litespeed_purge_post', $post_id); |
| 295 |
$success = true; |
| 296 |
} |
| 297 |
} catch (\Throwable $e) { |
| 298 |
error_log('MetaSync: LiteSpeed per-URL purge failed - ' . $e->getMessage()); |
| 299 |
} |
| 300 |
} |
| 301 |
|
| 302 |
// W3 Total Cache - Flush specific post |
| 303 |
if ($this->is_plugin_active('w3-total-cache/w3-total-cache.php')) { |
| 304 |
try { |
| 305 |
if ($post_id && function_exists('w3tc_flush_post')) { |
| 306 |
w3tc_flush_post($post_id); |
| 307 |
$success = true; |
| 308 |
} |
| 309 |
} catch (\Throwable $e) { |
| 310 |
error_log('MetaSync: W3 Total Cache per-URL purge failed - ' . $e->getMessage()); |
| 311 |
} |
| 312 |
} |
| 313 |
|
| 314 |
// NitroPack - Purge specific URL cache (both local and remote cache) |
| 315 |
if ($this->is_plugin_active('nitropack/main.php')) { |
| 316 |
try { |
| 317 |
if ($url && function_exists('nitropack_sdk_purge')) { |
| 318 |
if (nitropack_sdk_purge($url, NULL, 'MetaSync OTTO cache clear', \NitroPack\SDK\PurgeType::COMPLETE)) { |
| 319 |
$success = true; |
| 320 |
} |
| 321 |
} |
| 322 |
} catch (\Throwable $e) { |
| 323 |
error_log('MetaSync: NitroPack per-URL purge failed - ' . $e->getMessage()); |
| 324 |
} |
| 325 |
} |
| 326 |
|
| 327 |
// WP Super Cache - Purge specific URL |
| 328 |
if ($this->is_plugin_active('wp-super-cache/wp-cache.php')) { |
| 329 |
try { |
| 330 |
if ($url && function_exists('wpsc_delete_url_cache')) { |
| 331 |
wpsc_delete_url_cache($url); |
| 332 |
$success = true; |
| 333 |
} elseif ($url && function_exists('prune_super_cache')) { |
| 334 |
// Fallback: derive cache file path from the URL |
| 335 |
$url_path = wp_parse_url($url, PHP_URL_PATH); |
| 336 |
if ($url_path) { |
| 337 |
$cache_path = trailingslashit(WP_CONTENT_DIR . '/cache/supercache/' . wp_parse_url($url, PHP_URL_HOST) . $url_path); |
| 338 |
prune_super_cache($cache_path, true); |
| 339 |
$success = true; |
| 340 |
} |
| 341 |
} |
| 342 |
} catch (\Throwable $e) { |
| 343 |
error_log('MetaSync: WP Super Cache per-URL purge failed - ' . $e->getMessage()); |
| 344 |
} |
| 345 |
} |
| 346 |
|
| 347 |
// WP Fastest Cache - Purge specific post cache |
| 348 |
// singleDeleteCache($comment_id, $post_id) requires a post ID, not URL |
| 349 |
if ($this->is_plugin_active('wp-fastest-cache/wpFastestCache.php')) { |
| 350 |
try { |
| 351 |
$wpfc_purged = false; |
| 352 |
if ($post_id && class_exists('WpFastestCache')) { |
| 353 |
$wpfc = new \WpFastestCache(); |
| 354 |
if (method_exists($wpfc, 'singleDeleteCache')) { |
| 355 |
$wpfc->singleDeleteCache(false, $post_id); |
| 356 |
$wpfc_purged = true; |
| 357 |
$success = true; |
| 358 |
} |
| 359 |
} |
| 360 |
if (!$wpfc_purged && $url) { |
| 361 |
do_action('wpfc_clear_post_cache_by_url', $url); |
| 362 |
$success = true; |
| 363 |
} |
| 364 |
} catch (\Throwable $e) { |
| 365 |
error_log('MetaSync: WP Fastest Cache per-URL purge failed - ' . $e->getMessage()); |
| 366 |
} |
| 367 |
} |
| 368 |
|
| 369 |
// Cache Enabler - Purge specific URL |
| 370 |
if ($this->is_plugin_active('cache-enabler/cache-enabler.php')) { |
| 371 |
try { |
| 372 |
if ($url) { |
| 373 |
do_action('cache_enabler_clear_page_cache_by_url', $url); |
| 374 |
$success = true; |
| 375 |
} |
| 376 |
} catch (\Throwable $e) { |
| 377 |
error_log('MetaSync: Cache Enabler per-URL purge failed - ' . $e->getMessage()); |
| 378 |
} |
| 379 |
} |
| 380 |
|
| 381 |
// Hummingbird - Purge specific URL/post |
| 382 |
if ($this->is_plugin_active('hummingbird-performance/wp-hummingbird.php')) { |
| 383 |
try { |
| 384 |
$hb_purged = false; |
| 385 |
if ($post_id) { |
| 386 |
do_action('wphb_clear_page_cache', $post_id); |
| 387 |
$hb_purged = true; |
| 388 |
$success = true; |
| 389 |
} |
| 390 |
if (!$hb_purged && class_exists('Hummingbird\\WP_Hummingbird')) { |
| 391 |
$modules = \Hummingbird\WP_Hummingbird::get_instance()->core->modules; |
| 392 |
if (isset($modules['page_cache']) && method_exists($modules['page_cache'], 'clear_cache')) { |
| 393 |
$modules['page_cache']->clear_cache(); |
| 394 |
$success = true; |
| 395 |
} |
| 396 |
} |
| 397 |
} catch (\Throwable $e) { |
| 398 |
error_log('MetaSync: Hummingbird per-URL purge failed - ' . $e->getMessage()); |
| 399 |
} |
| 400 |
} |
| 401 |
|
| 402 |
// SG Optimizer - Purge specific URL |
| 403 |
if ($this->is_plugin_active('sg-cachepress/sg-cachepress.php')) { |
| 404 |
try { |
| 405 |
if ($url && function_exists('sg_cachepress_purge_cache')) { |
| 406 |
sg_cachepress_purge_cache($url); |
| 407 |
$success = true; |
| 408 |
} else { |
| 409 |
do_action('sg_cachepress_purge_cache'); |
| 410 |
$success = true; |
| 411 |
} |
| 412 |
} catch (\Throwable $e) { |
| 413 |
error_log('MetaSync: SG Optimizer per-URL purge failed - ' . $e->getMessage()); |
| 414 |
} |
| 415 |
} |
| 416 |
|
| 417 |
// Comet Cache - Purge specific URL/post cache |
| 418 |
if ($this->is_plugin_active('comet-cache/comet-cache.php') && class_exists('comet_cache')) { |
| 419 |
try { |
| 420 |
if ($url && method_exists('comet_cache', 'clearUrl')) { |
| 421 |
comet_cache::clearUrl($url); |
| 422 |
$success = true; |
| 423 |
} elseif ($post_id && method_exists('comet_cache', 'clearPost')) { |
| 424 |
comet_cache::clearPost($post_id); |
| 425 |
$success = true; |
| 426 |
} |
| 427 |
} catch (\Throwable $e) { |
| 428 |
error_log('MetaSync: Comet Cache per-URL purge failed - ' . $e->getMessage()); |
| 429 |
} |
| 430 |
} |
| 431 |
|
| 432 |
// Swift Performance - Purge specific post cache |
| 433 |
if ($this->is_plugin_active('swift-performance-lite/performance.php') || |
| 434 |
$this->is_plugin_active('swift-performance/performance.php')) { |
| 435 |
try { |
| 436 |
if ($post_id && class_exists('Swift_Performance_Cache')) { |
| 437 |
Swift_Performance_Cache::clear_post_cache($post_id); |
| 438 |
$success = true; |
| 439 |
} |
| 440 |
} catch (\Throwable $e) { |
| 441 |
error_log('MetaSync: Swift Performance per-URL purge failed - ' . $e->getMessage()); |
| 442 |
} |
| 443 |
} |
| 444 |
|
| 445 |
// Autoptimize - Skipped for per-URL purge (only caches JS/CSS assets, not page HTML) |
| 446 |
|
| 447 |
// Kinsta - Purge specific URL (hosting-level cache, no plugin check needed) |
| 448 |
if ($url && class_exists('KinstaCache')) { |
| 449 |
try { |
| 450 |
KinstaCache::get_instance()->kinsta_cache_purge_single_url($url); |
| 451 |
$success = true; |
| 452 |
} catch (\Throwable $e) { |
| 453 |
error_log('MetaSync: Kinsta per-URL purge failed - ' . $e->getMessage()); |
| 454 |
} |
| 455 |
} |
| 456 |
|
| 457 |
// WP Engine - Purge specific URL (hosting-level cache, no plugin check needed) |
| 458 |
if (class_exists('WpeCommon') && $url) { |
| 459 |
try { |
| 460 |
if (method_exists('WpeCommon', 'purge_url')) { |
| 461 |
WpeCommon::purge_url($url); |
| 462 |
$success = true; |
| 463 |
} elseif (method_exists('WpeCommon', 'purge_varnish_cache_for_url')) { |
| 464 |
WpeCommon::purge_varnish_cache_for_url($url); |
| 465 |
$success = true; |
| 466 |
} |
| 467 |
} catch (\Throwable $e) { |
| 468 |
error_log('MetaSync: WP Engine per-URL purge failed - ' . $e->getMessage()); |
| 469 |
} |
| 470 |
} |
| 471 |
|
| 472 |
return $success; |
| 473 |
} |
| 474 |
|
| 475 |
/** |
| 476 |
* Clear WordPress built-in object cache. |
| 477 |
* |
| 478 |
* When $post_ids is provided and the metasync_targeted_object_cache option is |
| 479 |
* enabled (default: true), only those posts are evicted from the object cache. |
| 480 |
* This prevents destroying cached data for the entire site when only a handful |
| 481 |
* of OTTO pages were updated. |
| 482 |
* |
| 483 |
* Falls back to wp_cache_flush() when no post IDs are given, targeted mode is |
| 484 |
* disabled, or anything goes wrong. |
| 485 |
* |
| 486 |
* @param int[] $post_ids Optional list of post IDs to evict (targeted mode). |
| 487 |
*/ |
| 488 |
private function clear_wordpress_cache($post_ids = array()) |
| 489 |
{ |
| 490 |
try { |
| 491 |
$targeted_enabled = get_option('metasync_targeted_object_cache', '1') === '1'; |
| 492 |
|
| 493 |
if (!empty($post_ids) && $targeted_enabled) { |
| 494 |
foreach ($post_ids as $post_id) { |
| 495 |
wp_cache_delete($post_id, 'posts'); |
| 496 |
wp_cache_delete($post_id, 'post_meta'); |
| 497 |
clean_post_cache($post_id); |
| 498 |
} |
| 499 |
} else { |
| 500 |
wp_cache_flush(); |
| 501 |
} |
| 502 |
|
| 503 |
return true; |
| 504 |
} catch (\Throwable $e) { |
| 505 |
$this->log_cache_error('WordPress', $e); |
| 506 |
return false; |
| 507 |
} |
| 508 |
} |
| 509 |
|
| 510 |
/** |
| 511 |
* Clear WP Rocket cache |
| 512 |
*/ |
| 513 |
private function clear_wp_rocket_cache() |
| 514 |
{ |
| 515 |
try { |
| 516 |
// Clear all cache |
| 517 |
if (function_exists('rocket_clean_domain')) { |
| 518 |
rocket_clean_domain(); |
| 519 |
return true; |
| 520 |
} |
| 521 |
|
| 522 |
// Fallback: Clear minified CSS/JS |
| 523 |
if (function_exists('rocket_clean_minify')) { |
| 524 |
rocket_clean_minify(); |
| 525 |
} |
| 526 |
|
| 527 |
// Clear cache via action hook |
| 528 |
do_action('rocket_clean_domain'); |
| 529 |
|
| 530 |
return true; |
| 531 |
} catch (\Throwable $e) { |
| 532 |
$this->log_cache_error('WP Rocket', $e); |
| 533 |
return false; |
| 534 |
} |
| 535 |
} |
| 536 |
|
| 537 |
/** |
| 538 |
* Clear LiteSpeed Cache |
| 539 |
*/ |
| 540 |
private function clear_litespeed_cache() |
| 541 |
{ |
| 542 |
try { |
| 543 |
// Method 1: Use LiteSpeed purge action |
| 544 |
do_action('litespeed_purge_all'); |
| 545 |
|
| 546 |
// Method 2: Use LiteSpeed class if available |
| 547 |
if (class_exists('LiteSpeed\Purge')) { |
| 548 |
\LiteSpeed\Purge::purge_all(); |
| 549 |
} |
| 550 |
|
| 551 |
// Method 3: Set header for LiteSpeed server |
| 552 |
if (!headers_sent()) { |
| 553 |
header('X-LiteSpeed-Purge: *'); |
| 554 |
} |
| 555 |
|
| 556 |
return true; |
| 557 |
} catch (\Throwable $e) { |
| 558 |
$this->log_cache_error('LiteSpeed', $e); |
| 559 |
return false; |
| 560 |
} |
| 561 |
} |
| 562 |
|
| 563 |
/** |
| 564 |
* Clear W3 Total Cache |
| 565 |
*/ |
| 566 |
private function clear_w3_total_cache() |
| 567 |
{ |
| 568 |
try { |
| 569 |
// Method 1: Use W3TC functions |
| 570 |
if (function_exists('w3tc_flush_all')) { |
| 571 |
w3tc_flush_all(); |
| 572 |
return true; |
| 573 |
} |
| 574 |
|
| 575 |
// Method 2: Use W3TC class |
| 576 |
if (class_exists('W3_Plugin_TotalCache')) { |
| 577 |
$w3_plugin_totalcache = w3_instance('W3_Plugin_TotalCache'); |
| 578 |
if (method_exists($w3_plugin_totalcache, 'flush_all')) { |
| 579 |
$w3_plugin_totalcache->flush_all(); |
| 580 |
return true; |
| 581 |
} |
| 582 |
} |
| 583 |
|
| 584 |
// Method 3: Direct cache directory deletion |
| 585 |
if (function_exists('w3tc_pgcache_flush')) { |
| 586 |
w3tc_pgcache_flush(); |
| 587 |
} |
| 588 |
if (function_exists('w3tc_dbcache_flush')) { |
| 589 |
w3tc_dbcache_flush(); |
| 590 |
} |
| 591 |
if (function_exists('w3tc_minify_flush')) { |
| 592 |
w3tc_minify_flush(); |
| 593 |
} |
| 594 |
if (function_exists('w3tc_objectcache_flush')) { |
| 595 |
w3tc_objectcache_flush(); |
| 596 |
} |
| 597 |
|
| 598 |
return true; |
| 599 |
} catch (\Throwable $e) { |
| 600 |
$this->log_cache_error('W3 Total Cache', $e); |
| 601 |
return false; |
| 602 |
} |
| 603 |
} |
| 604 |
|
| 605 |
/** |
| 606 |
* Clear WP Super Cache |
| 607 |
*/ |
| 608 |
private function clear_wp_super_cache() |
| 609 |
{ |
| 610 |
try { |
| 611 |
global $file_prefix; |
| 612 |
|
| 613 |
if (function_exists('wp_cache_clean_cache')) { |
| 614 |
wp_cache_clean_cache($file_prefix, true); |
| 615 |
return true; |
| 616 |
} |
| 617 |
|
| 618 |
// Alternative method |
| 619 |
if (function_exists('wp_cache_clear_cache')) { |
| 620 |
wp_cache_clear_cache(); |
| 621 |
return true; |
| 622 |
} |
| 623 |
|
| 624 |
// Manual deletion |
| 625 |
if (function_exists('prune_super_cache')) { |
| 626 |
prune_super_cache(WP_CONTENT_DIR . '/cache/', true); |
| 627 |
return true; |
| 628 |
} |
| 629 |
|
| 630 |
return false; |
| 631 |
} catch (\Throwable $e) { |
| 632 |
$this->log_cache_error('WP Super Cache', $e); |
| 633 |
return false; |
| 634 |
} |
| 635 |
} |
| 636 |
|
| 637 |
/** |
| 638 |
* Clear WP Fastest Cache |
| 639 |
*/ |
| 640 |
private function clear_wp_fastest_cache() |
| 641 |
{ |
| 642 |
try { |
| 643 |
if (class_exists('WpFastestCache')) { |
| 644 |
$wpfc = new WpFastestCache(); |
| 645 |
if (method_exists($wpfc, 'deleteCache')) { |
| 646 |
$wpfc->deleteCache(true); |
| 647 |
return true; |
| 648 |
} |
| 649 |
} |
| 650 |
|
| 651 |
// Try action hook |
| 652 |
do_action('wpfc_clear_all_cache'); |
| 653 |
|
| 654 |
return true; |
| 655 |
} catch (\Throwable $e) { |
| 656 |
$this->log_cache_error('WP Fastest Cache', $e); |
| 657 |
return false; |
| 658 |
} |
| 659 |
} |
| 660 |
|
| 661 |
/** |
| 662 |
* Clear Cache Enabler |
| 663 |
*/ |
| 664 |
private function clear_cache_enabler() |
| 665 |
{ |
| 666 |
try { |
| 667 |
if (class_exists('Cache_Enabler')) { |
| 668 |
if (method_exists('Cache_Enabler', 'clear_complete_cache')) { |
| 669 |
\Cache_Enabler::clear_complete_cache(); |
| 670 |
return true; |
| 671 |
} |
| 672 |
} |
| 673 |
|
| 674 |
// Try action hook |
| 675 |
do_action('cache_enabler_clear_complete_cache'); |
| 676 |
|
| 677 |
return true; |
| 678 |
} catch (\Throwable $e) { |
| 679 |
$this->log_cache_error('Cache Enabler', $e); |
| 680 |
return false; |
| 681 |
} |
| 682 |
} |
| 683 |
|
| 684 |
/** |
| 685 |
* Clear Hummingbird Cache |
| 686 |
*/ |
| 687 |
private function clear_hummingbird_cache() |
| 688 |
{ |
| 689 |
try { |
| 690 |
if (class_exists('Hummingbird\\WP_Hummingbird')) { |
| 691 |
$modules = \Hummingbird\WP_Hummingbird::get_instance()->core->modules; |
| 692 |
if (isset($modules['page_cache'])) { |
| 693 |
$modules['page_cache']->clear_cache(); |
| 694 |
return true; |
| 695 |
} |
| 696 |
} |
| 697 |
|
| 698 |
// Try action hook |
| 699 |
do_action('wphb_clear_page_cache'); |
| 700 |
|
| 701 |
return true; |
| 702 |
} catch (\Throwable $e) { |
| 703 |
$this->log_cache_error('Hummingbird', $e); |
| 704 |
return false; |
| 705 |
} |
| 706 |
} |
| 707 |
|
| 708 |
/** |
| 709 |
* Clear Autoptimize Cache |
| 710 |
*/ |
| 711 |
private function clear_autoptimize_cache() |
| 712 |
{ |
| 713 |
try { |
| 714 |
if (class_exists('autoptimizeCache')) { |
| 715 |
autoptimizeCache::clearall(); |
| 716 |
return true; |
| 717 |
} |
| 718 |
|
| 719 |
// Try action hook |
| 720 |
do_action('autoptimize_action_cachepurged'); |
| 721 |
|
| 722 |
return true; |
| 723 |
} catch (\Throwable $e) { |
| 724 |
$this->log_cache_error('Autoptimize', $e); |
| 725 |
return false; |
| 726 |
} |
| 727 |
} |
| 728 |
|
| 729 |
/** |
| 730 |
* Clear SG Optimizer (SiteGround) Cache |
| 731 |
*/ |
| 732 |
private function clear_sg_optimizer_cache() |
| 733 |
{ |
| 734 |
try { |
| 735 |
if (function_exists('sg_cachepress_purge_cache')) { |
| 736 |
sg_cachepress_purge_cache(); |
| 737 |
return true; |
| 738 |
} |
| 739 |
|
| 740 |
// Try action hook |
| 741 |
do_action('sg_cachepress_purge_cache'); |
| 742 |
|
| 743 |
return true; |
| 744 |
} catch (\Throwable $e) { |
| 745 |
$this->log_cache_error('SG Optimizer', $e); |
| 746 |
return false; |
| 747 |
} |
| 748 |
} |
| 749 |
|
| 750 |
/** |
| 751 |
* Clear Comet Cache |
| 752 |
*/ |
| 753 |
private function clear_comet_cache() |
| 754 |
{ |
| 755 |
try { |
| 756 |
if (class_exists('comet_cache')) { |
| 757 |
comet_cache::clear(); |
| 758 |
return true; |
| 759 |
} |
| 760 |
|
| 761 |
// Try action hook |
| 762 |
do_action('comet_cache_clear'); |
| 763 |
|
| 764 |
return true; |
| 765 |
} catch (\Throwable $e) { |
| 766 |
$this->log_cache_error('Comet Cache', $e); |
| 767 |
return false; |
| 768 |
} |
| 769 |
} |
| 770 |
|
| 771 |
/** |
| 772 |
* Clear Swift Performance Cache |
| 773 |
*/ |
| 774 |
private function clear_swift_performance_cache() |
| 775 |
{ |
| 776 |
try { |
| 777 |
if (class_exists('Swift_Performance_Cache')) { |
| 778 |
Swift_Performance_Cache::clear_all_cache(); |
| 779 |
return true; |
| 780 |
} |
| 781 |
|
| 782 |
// Try action hook |
| 783 |
do_action('swift_performance_clear_all_cache'); |
| 784 |
|
| 785 |
return true; |
| 786 |
} catch (\Throwable $e) { |
| 787 |
$this->log_cache_error('Swift Performance', $e); |
| 788 |
return false; |
| 789 |
} |
| 790 |
} |
| 791 |
|
| 792 |
/** |
| 793 |
* Clear Kinsta hosting-level full-page cache (entire site) |
| 794 |
*/ |
| 795 |
private function clear_kinsta_cache() |
| 796 |
{ |
| 797 |
try { |
| 798 |
KinstaCache::get_instance()->kinsta_cache_purge_full(); |
| 799 |
return true; |
| 800 |
} catch (\Throwable $e) { |
| 801 |
$this->log_cache_error('Kinsta', $e); |
| 802 |
return false; |
| 803 |
} |
| 804 |
} |
| 805 |
|
| 806 |
/** |
| 807 |
* Clear WP Engine hosting-level cache (Varnish + memcached) |
| 808 |
*/ |
| 809 |
private function clear_wpengine_cache() |
| 810 |
{ |
| 811 |
try { |
| 812 |
WpeCommon::purge_varnish_cache(); |
| 813 |
WpeCommon::purge_memcached(); |
| 814 |
return true; |
| 815 |
} catch (\Throwable $e) { |
| 816 |
$this->log_cache_error('WP Engine', $e); |
| 817 |
return false; |
| 818 |
} |
| 819 |
} |
| 820 |
|
| 821 |
/** |
| 822 |
* Clear NitroPack full-site cache. |
| 823 |
* |
| 824 |
* nitropack_purge(NULL, NULL, $reason) is the documented way to purge the |
| 825 |
* entire NitroPack cache (all three parameters NULL = full site purge). |
| 826 |
* Falls back to nitropack_sdk_purge() with no URL/tag if the higher-level |
| 827 |
* wrapper is unavailable (older plugin versions). |
| 828 |
* |
| 829 |
* @see https://wordpress.org/support/topic/custom-caching-code-compatibility-with-nitropack/ |
| 830 |
*/ |
| 831 |
private function clear_nitropack_cache() |
| 832 |
{ |
| 833 |
try { |
| 834 |
if (function_exists('nitropack_purge')) { |
| 835 |
nitropack_purge(null, null, 'MetaSync full cache clear'); |
| 836 |
return true; |
| 837 |
} |
| 838 |
|
| 839 |
// Fallback: lower-level SDK function (same behaviour when url+tag are NULL) |
| 840 |
if (function_exists('nitropack_sdk_purge')) { |
| 841 |
nitropack_sdk_purge(null, null, 'MetaSync full cache clear'); |
| 842 |
return true; |
| 843 |
} |
| 844 |
|
| 845 |
return false; |
| 846 |
} catch (\Throwable $e) { |
| 847 |
$this->log_cache_error('NitroPack', $e); |
| 848 |
return false; |
| 849 |
} |
| 850 |
} |
| 851 |
|
| 852 |
/** |
| 853 |
* Static wrapper: clear all caches with try-catch |
| 854 |
* |
| 855 |
* @param string $source Source identifier for logging |
| 856 |
*/ |
| 857 |
public static function purge_all($source = 'metasync') |
| 858 |
{ |
| 859 |
try { |
| 860 |
self::get_instance()->clear_all_caches($source); |
| 861 |
} catch (\Throwable $e) { |
| 862 |
error_log('MetaSync: Cache purge failed (' . $source . ') - ' . $e->getMessage()); |
| 863 |
} |
| 864 |
} |
| 865 |
|
| 866 |
/** |
| 867 |
* Static wrapper: clear cache for a single URL with try-catch |
| 868 |
* |
| 869 |
* @param string $url URL to purge |
| 870 |
*/ |
| 871 |
public static function purge_single_url($url) |
| 872 |
{ |
| 873 |
try { |
| 874 |
self::get_instance()->clear_url_cache($url); |
| 875 |
} catch (\Throwable $e) { |
| 876 |
error_log('MetaSync: URL cache purge failed - ' . $e->getMessage()); |
| 877 |
} |
| 878 |
} |
| 879 |
|
| 880 |
/** |
| 881 |
* Warm cache for multiple URLs after a purge. |
| 882 |
* |
| 883 |
* Sends anonymous fire-and-forget requests so that our code — with fresh OTTO |
| 884 |
* data already in transients and post meta — is the first to populate each URL |
| 885 |
* in the hosting cache. Without this, the first external visitor (or the host's |
| 886 |
* own cache warmer) could re-cache a stale version before OTTO SSR has run. |
| 887 |
* |
| 888 |
* Capped at $max URLs per call to prevent excessive server load on large batches. |
| 889 |
* |
| 890 |
* @param array $urls List of URLs to warm |
| 891 |
* @param int $max Maximum URLs to warm per invocation (default 10) |
| 892 |
*/ |
| 893 |
public static function warm_urls(array $urls, $max = 10) |
| 894 |
{ |
| 895 |
$count = 0; |
| 896 |
foreach ($urls as $url) { |
| 897 |
if (++$count > $max) { |
| 898 |
break; |
| 899 |
} |
| 900 |
self::warm_url($url); |
| 901 |
} |
| 902 |
} |
| 903 |
|
| 904 |
/** |
| 905 |
* Send a single anonymous, non-blocking HTTP GET to a URL to prime the cache. |
| 906 |
* |
| 907 |
* The request carries no auth cookies, so the hosting layer (Kinsta, WP Engine, etc.) |
| 908 |
* treats it as an anonymous visitor and caches the PHP-rendered response. |
| 909 |
* OTTO SSR runs during this request and modifies the HTML before it is stored. |
| 910 |
* |
| 911 |
* Uses blocking=false so the pixel webhook returns immediately; the host |
| 912 |
* continues processing the request asynchronously. |
| 913 |
* |
| 914 |
* @param string $url URL to warm |
| 915 |
*/ |
| 916 |
public static function warm_url($url) |
| 917 |
{ |
| 918 |
if (empty($url) || !filter_var($url, FILTER_VALIDATE_URL)) { |
| 919 |
return; |
| 920 |
} |
| 921 |
|
| 922 |
// Strip tracking query parameters so cache warming targets the canonical URL |
| 923 |
$url = self::normalize_url($url); |
| 924 |
|
| 925 |
wp_remote_get($url, array( |
| 926 |
'blocking' => false, // Fire-and-forget: don't wait for response |
| 927 |
'timeout' => 3, // 3s to establish connection + send headers reliably |
| 928 |
// 0.01s was too short: TCP handshake could fail on loaded servers, |
| 929 |
// causing warm requests to silently drop before the request was sent. |
| 930 |
// blocking=false means we still don't wait for the response body. |
| 931 |
'redirection' => 0, // No redirect following needed |
| 932 |
'headers' => array( |
| 933 |
'X-MetaSync-Cache-Warm' => '1', |
| 934 |
'User-Agent' => 'MetaSync-Cache-Warmer/1.0', |
| 935 |
), |
| 936 |
'cookies' => array(), // No cookies = anonymous visitor = host will cache result |
| 937 |
'sslverify' => false, // Avoid SSL issues on staging/local environments |
| 938 |
)); |
| 939 |
} |
| 940 |
|
| 941 |
/** |
| 942 |
* Strip known tracking/analytics query parameters from a URL. |
| 943 |
* |
| 944 |
* CDNs treat `/page/` and `/page/?utm_source=email` as separate cache entries. |
| 945 |
* Normalizing before purge/warm ensures we always target the canonical URL. |
| 946 |
* Non-tracking parameters (e.g. `?tab=pricing`) are preserved. |
| 947 |
* |
| 948 |
* @param string $url The URL to normalize |
| 949 |
* @return string The URL with tracking parameters removed |
| 950 |
*/ |
| 951 |
private static function normalize_url($url) |
| 952 |
{ |
| 953 |
if (empty($url) || strpos($url, '?') === false) { |
| 954 |
return $url; |
| 955 |
} |
| 956 |
|
| 957 |
$tracking_params = array( |
| 958 |
// Google Analytics / Ads |
| 959 |
'utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content', |
| 960 |
'gclid', 'gbraid', 'wbraid', 'dclid', |
| 961 |
// Google Analytics client IDs |
| 962 |
'_ga', '_gl', |
| 963 |
// Meta (Facebook / Instagram) |
| 964 |
'fbclid', 'igshid', |
| 965 |
// Microsoft Ads |
| 966 |
'msclkid', |
| 967 |
// TikTok |
| 968 |
'ttclid', |
| 969 |
// Twitter / X |
| 970 |
'twclid', |
| 971 |
// LinkedIn |
| 972 |
'li_fat_id', |
| 973 |
// HubSpot |
| 974 |
'mc_eid', '_hsenc', '_hsmi', |
| 975 |
// Yandex |
| 976 |
'yclid', |
| 977 |
// Zanox / Awin |
| 978 |
'zanpid', |
| 979 |
// Adobe Analytics |
| 980 |
's_kwcid', |
| 981 |
); |
| 982 |
|
| 983 |
return remove_query_arg($tracking_params, $url); |
| 984 |
} |
| 985 |
|
| 986 |
/** |
| 987 |
* Log a cache clear failure consistently |
| 988 |
* |
| 989 |
* @param string $plugin_name Human-readable plugin name |
| 990 |
* @param \Throwable $e The caught exception or error |
| 991 |
*/ |
| 992 |
private function log_cache_error($plugin_name, $e) |
| 993 |
{ |
| 994 |
error_log('MetaSync: Failed to clear ' . $plugin_name . ' cache - ' . $e->getMessage()); |
| 995 |
} |
| 996 |
|
| 997 |
/** |
| 998 |
* Check if a plugin is active |
| 999 |
* |
| 1000 |
* @param string $plugin_path Plugin path (folder/file.php) |
| 1001 |
* @return bool |
| 1002 |
*/ |
| 1003 |
private function is_plugin_active($plugin_path) |
| 1004 |
{ |
| 1005 |
if (!function_exists('is_plugin_active')) { |
| 1006 |
include_once(ABSPATH . 'wp-admin/includes/plugin.php'); |
| 1007 |
} |
| 1008 |
return is_plugin_active($plugin_path); |
| 1009 |
} |
| 1010 |
|
| 1011 |
/** |
| 1012 |
* Get list of active cache plugins |
| 1013 |
* |
| 1014 |
* @return array List of active cache plugin names |
| 1015 |
*/ |
| 1016 |
public function get_active_cache_plugins() |
| 1017 |
{ |
| 1018 |
$cache_plugins = array( |
| 1019 |
'wp-rocket/wp-rocket.php' => 'WP Rocket', |
| 1020 |
'litespeed-cache/litespeed-cache.php' => 'LiteSpeed Cache', |
| 1021 |
'w3-total-cache/w3-total-cache.php' => 'W3 Total Cache', |
| 1022 |
'wp-super-cache/wp-cache.php' => 'WP Super Cache', |
| 1023 |
'wp-fastest-cache/wpFastestCache.php' => 'WP Fastest Cache', |
| 1024 |
'cache-enabler/cache-enabler.php' => 'Cache Enabler', |
| 1025 |
'hummingbird-performance/wp-hummingbird.php' => 'Hummingbird', |
| 1026 |
'autoptimize/autoptimize.php' => 'Autoptimize', |
| 1027 |
'sg-cachepress/sg-cachepress.php' => 'SG Optimizer', |
| 1028 |
'comet-cache/comet-cache.php' => 'Comet Cache', |
| 1029 |
'swift-performance-lite/performance.php' => 'Swift Performance Lite', |
| 1030 |
'swift-performance/performance.php' => 'Swift Performance', |
| 1031 |
); |
| 1032 |
|
| 1033 |
$active = array(); |
| 1034 |
foreach ($cache_plugins as $plugin_path => $plugin_name) { |
| 1035 |
if ($this->is_plugin_active($plugin_path)) { |
| 1036 |
$active[$plugin_path] = $plugin_name; |
| 1037 |
} |
| 1038 |
} |
| 1039 |
|
| 1040 |
return $active; |
| 1041 |
} |
| 1042 |
} |
| 1043 |
|
| 1044 |
|
| 1045 |
|
| 1046 |
|
