Title: arnolp's Replies | WordPress.org --- # arnolp [ ](https://wordpress.org/support/users/arnolp/) * [Profile](https://wordpress.org/support/users/arnolp/) * [Topics Started](https://wordpress.org/support/users/arnolp/topics/) * [Replies Created](https://wordpress.org/support/users/arnolp/replies/) * [Reviews Written](https://wordpress.org/support/users/arnolp/reviews/) * [Topics Replied To](https://wordpress.org/support/users/arnolp/replied-to/) * [Engagements](https://wordpress.org/support/users/arnolp/engagements/) * [Favorites](https://wordpress.org/support/users/arnolp/favorites/) Search replies: ## Forum Replies Created Viewing 6 replies - 1 through 6 (of 6 total) * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[WPC Composite Products for WooCommerce] [Critical] Product not saved in cart](https://wordpress.org/support/topic/critical-product-not-saved-in-cart/) * Thread Starter [arnolp](https://wordpress.org/support/users/arnolp/) * (@arnolp) * [10 months, 1 week ago](https://wordpress.org/support/topic/critical-product-not-saved-in-cart/#post-18751925) * HPOS is around till 2023 HPOS is enabled by default for new installations from WooCommerce 8.2 onwardnon-HPOS is being phased out, so having a “non-hpos-compatible” plugin is becoming a critical bug, Please hurry up * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[WPC Composite Products for WooCommerce] [Critical] Product not saved in cart](https://wordpress.org/support/topic/critical-product-not-saved-in-cart/) * Thread Starter [arnolp](https://wordpress.org/support/users/arnolp/) * (@arnolp) * [10 months, 2 weeks ago](https://wordpress.org/support/topic/critical-product-not-saved-in-cart/#post-18739182) * Additional technical information * The issue probably occurs in the `add_to_cart_items()` method in `class-wooco. php`. When adding component products, each call to `WC()->cart->add_to_cart()` triggers an intermediate session save via `WC_Cart::set_session()`, which stores an incomplete cart state. * ```wp-block-code // class-wooco.php, line ~1162 foreach ( $items as $item ) { // This triggers WC()->session->set('cart', ...) internally $item_key = WC()->cart->add_to_cart( $item_id, $item_qty * $quantity, ... ); // wooco_keys is updated AFTER the session save already happened WC()->cart->cart_contents[ $cart_item_key ]['wooco_keys'][] = $item_key; } ``` * **Probable problem flow:** 1. User adds composite → `woocommerce_add_to_cart` hook fires 2. `add_to_cart_items()` loops through components 3. First component added → `WC()->cart->add_to_cart()` → triggers `set_session()` 4. Session now contains cart with incomplete `wooco_keys` array 5. More components added, each triggering session saves with different incomplete states 6. On shutdown, `WC_Session_Handler::save_data()` saves the final `$this->_data` 7. Due to timing/HPOS interactions, `$this->_data['cart']` may contain stale/empty data * **Clues** - Manual `$wpdb->replace()` successfully persists complete cart data - WooCommerce’s `save_data()` on shutdown overwrites it with empty/corrupted data - Setting `WC()->session->_dirty = false` via reflection after manual save ** prevents** the corruption * This probably indicates the issue is not with serialization itself, but with ** what data** is being serialized – WooCommerce is saving an incomplete/empty cart state. * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[WPC Composite Products for WooCommerce] [Critical] Product not saved in cart](https://wordpress.org/support/topic/critical-product-not-saved-in-cart/) * Thread Starter [arnolp](https://wordpress.org/support/users/arnolp/) * (@arnolp) * [10 months, 2 weeks ago](https://wordpress.org/support/topic/critical-product-not-saved-in-cart/#post-18738256) * **Update : ** the fix above is NOT working properly * **Root Cause:** * When ⁠WC()->session->save_data() is called with HPOS enabled and a composite product in cart for anonymous users, it writes **empty/corrupted session data** instead of the actual cart contents. This happens silently without errors. * **Evidence:** - Manual ⁠$wpdb->replace() successfully writes composite data * But WooCommerce’s ⁠save_data() on shutdown overwrites it with empty data Setting ⁠ _dirty = false after manual save prevents the corruption * **Workaround:** * Manually save session and mark it as “clean” to prevent WooCommerce from re-saving with corrupted data. * I don’t know if it’s related or not to a WooCommerce HPOS bug Maybe, or not, should you Explicitly call manual session save for anonymous users with HPOS At least that fixed the issue for me : * session->save_data() writes corrupted/empty data when cart contains - composite products for anonymous users with HPOS enabled. * Solution: Manually save session and prevent WooCommerce from overwriting it. */add_action(‘woocommerce_add_to_cart’, function($cart_item_key, $product_id){// Only for anonymous usersif (is_user_logged_in()) {return;} - // Check if cart contains composite product $has_composite = false;foreach( WC()->cart->get_cart() as $item) {if (isset($item[‘wooco_ids’])) {$has_composite = true;break;}} // Only apply fix if composite is in cartif (!$has_composite){ return;} // Manually save session to databaseglobal $wpdb; $session_id = WC()- >session->get_customer_id();WC()->session->set_customer_session_cookie(true); $cart_for_session = WC()->cart->get_cart_for_session(); $session_data = array(‘ cart’ => serialize($cart_for_session),‘cart_totals’ => maybe_serialize(WC()- >cart->get_totals()),); $session_value = maybe_serialize($session_data);$session_expiry = time() + (60 * 60 * 47); $wpdb->replace($wpdb->prefix . ‘woocommerce_sessions’, array(‘session_key’ => $session_id,‘session_value’ => $session_value,‘session_expiry’ => $session_expiry,),array(‘%s’, ‘%s’, ‘%d’)); // Prevent WooCommerce from overwriting our save with corrupted data$reflection = new ReflectionObject( WC()->session);$dirty_prop = $reflection->getProperty(‘_dirty’);$dirty_prop- >setAccessible(true);$dirty_prop->setValue(WC()->session, false); * }, 99, 2); * Forum: [Reviews](https://wordpress.org/support/forum/reviews/) In reply to: [[Up2pay e-Transactions WooCommerce Payment Gateway] Module non fiable, ne pas utiliser en production](https://wordpress.org/support/topic/module-non-fiable-ne-pas-utiliser-en-production/) * Thread Starter [arnolp](https://wordpress.org/support/users/arnolp/) * (@arnolp) * [2 years, 4 months ago](https://wordpress.org/support/topic/module-non-fiable-ne-pas-utiliser-en-production/#post-17827734) * PHP Fatal error: Uncaught Error: Call to undefined function show_message() in wp-content/plugins/e-transactions-wc/class/wc-etransactions-encrypt.php:154 Stack trace: 0 wp-content/plugins/e-transactions-wc/class/wc-etransactions-encrypt. php(192): ET_ransactions_Encrypt->_decrypt(’97e43175a032927…’, ’05e2eb599d32d0c…’,‘\ x81\xB9\xCB\xC8\xDC\xD6\x8F\xDE_BXS\xF9<\x05…’) 1 wp-content/plugins/e-transactions- wc/trait/wc-etransactions-config-get-options.php(112): ET_ransactions_Encrypt- >decrypt(‘\x81\xB9\xCB\xC8\xDC\xD6\x8F\xDE_BXS\xF9<\x05…’) 2 wp-content/plugins/ e-transactions-wc/class/wc-etransactions.php(682): WC_Etransactions_Config->getHmacKey() 3 wp-content/plugins/e-transactions-wc/class/wc-etransactions.php(404): WC_Etransactions- >signValues(Array) 4 wp-content/plugins/e-transactions-wc/class/wc-etransac” while reading response header from upstream, client: 2a01:cb19:ddf:ec00:84bd: 3e67:9d4c:26e7, server: xx.com, request: “GET /checkout/order-received/13490/? key=wc_order_27vCDkYsL3ieE&order-pay=13490 HTTP/2.0”, upstream: “fastcgi://unix:/ var/run/php8.1-fpm-casaalberta.sock:”, host: “xx.com:35723”, referrer: “[https://xx.com/checkout/”](https://xx.com/checkout/”); * C’est une honte, on est pas sur une asso bénévole, le CA gère ** 8,26 milliards d’euros de bénéfice net **par an et n’est pas foutu de mettre un support client et 2 devs compétents pour respecter les petits ecommercants qui essayent de créer leur activité ecommerce .. * en témoigne l’absence totale de réaction aux messages précédents, comme probablement à celui là. L’équipe derriere devrait avoir honte , et changer de métier. * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[ACF Medium Editor Field] UL/LI not displayed + “p” not converted](https://wordpress.org/support/topic/ul-li-not-displayed-p-not-inserted/) * Thread Starter [arnolp](https://wordpress.org/support/users/arnolp/) * (@arnolp) * [7 years, 3 months ago](https://wordpress.org/support/topic/ul-li-not-displayed-p-not-inserted/#post-11670906) * Hi John, thank you very much for quick reply and deploy ! First issue : Perfect,‘ disc’ symbol is now displayed for li Second issue : well, I understand. I guess I don’t change type every day, so it’s a one-shot job to reedit all fields, not such a big deal, thanks anyway for investigating. * – Arnaud * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[Enable Media Replace] 404 after Media Replace](https://wordpress.org/support/topic/404-after-media-replace/) * Thread Starter [arnolp](https://wordpress.org/support/users/arnolp/) * (@arnolp) * [7 years, 9 months ago](https://wordpress.org/support/topic/404-after-media-replace/#post-11099141) * Hi, * The change I made recently was migrating to a child theme. * I tried to downgrade to 3.1, it works fine. I tried to re-update to latest version.. and now it works fine again ?! I’m still doing addition tests to confirm there is no issue anymore. * Thanks – Arnaud Viewing 6 replies - 1 through 6 (of 6 total)