[Skip to main content](#vessel-content) # Error PHP 8 ? ## - **[maurizio.dematteis@gmail.com](/forum/user/53419-maurizio-dematteis-gmail-com "View maurizio.dematteis@gmail.com's Profile")** - [![maurizio.dematteis@gmail.com's Avatar](https://www.hikashop.com/media/kunena/core/svg/person.svg)](/forum/user/53419-maurizio-dematteis-gmail-com "View maurizio.dematteis@gmail.com's Profile") Topic Author - [ Offline](/forum/user/53419-maurizio-dematteis-gmail-com) Less More - Posts: 18 - Thank you received: 2 - - 3 years 8 months ago [\#349352](#349352) by [maurizio.dematteis@gmail.com](/forum/user/53419-maurizio-dematteis-gmail-com "View maurizio.dematteis@gmail.com's Profile") *[Error PHP 8 ?](/forum/25-install-update/905918-error-php-8#349352 "-- HikaShop version -- : 4.7.1 -- Joomla version -- : 4.2.8 -- PHP version -- : 8.0 -- Error-message(debug-mod must be tuned on) -- : ATTEMPT TO ASSIGN PROPERTY "SYNCHED_CART_QUANTITY" ON NULL Hello, when switching from PHP 7.4.x to 8.0 i get the error as shown in the screenshot. I am using the "Storefront - eCommerce Joomla! template" storefront.demo.gavick.com/ When i switch back to PHP 7.4. and activate show php errors, i get: Notice: Undefined property: ProductViewProduct::$row in .../components/com_hikashop/views/product/tmpl/show_quantity.php on line 60 Notice: Trying to get property 'product_id' of non-object in .../com_hikashop/views/product/tmpl/show_quantity.php on line 60 Warning: Creating default object from empty value in .../com_hikashop/views/product/tmpl/show_quantity.php on line 61 Best regards Maurizio de Matteis")* was created by *[maurizio.dematteis@gmail.com](/forum/user/53419-maurizio-dematteis-gmail-com "View maurizio.dematteis@gmail.com's Profile")* -- HikaShop version -- : 4.7.1 -- Joomla version -- : 4.2.8 -- PHP version -- : 8.0 -- Error-message(debug-mod must be tuned on) -- : ATTEMPT TO ASSIGN PROPERTY "SYNCHED_CART_QUANTITY" ON NULL Hello, when switching from PHP 7.4.x to 8.0 i get the error as shown in the screenshot. I am using the "Storefront - eCommerce Joomla! template" [ storefront.demo.gavick.com/](https://storefront.demo.gavick.com/) When i switch back to PHP 7.4. and activate show php errors, i get: Notice: Undefined property: ProductViewProduct::$row in .../components/com_hikashop/views/product/tmpl/show_quantity.php on line 60 Notice: Trying to get property 'product_id' of non-object in .../com_hikashop/views/product/tmpl/show_quantity.php on line 60 Warning: Creating default object from empty value in .../com_hikashop/views/product/tmpl/show_quantity.php on line 61 Best regards Maurizio de Matteis - [ ![Screenshot2023-02-17011213.png](/forum/attachment/56529) ](/forum/attachment/56529 "...2-17011213.png") [ ](/forum/attachment/56529?download=1 "...2-17011213.png") Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI1LWluc3RhbGwtdXBkYXRlLzkwNTkxOC1lcnJvci1waHAtOD90bXBsPW1hcmtkb3du) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[Philip](/forum/user/34318-philip "View Philip's Profile")** - [![Philip's Avatar](https://www.hikashop.com/media/kunena/core/svg/person.svg)](/forum/user/34318-philip "View Philip's Profile") - [ Offline](/forum/user/34318-philip) Less More - Posts: 4820 - Thank you received: 652 - - 3 years 8 months ago - 3 years 8 months ago [\#349355](#349355) by [Philip](/forum/user/34318-philip "View Philip's Profile") Replied by *[Philip](/forum/user/34318-philip "View Philip's Profile")* on topic *[Error PHP 8 ?](/forum/25-install-update/905918-error-php-8#349355 "-- HikaShop version -- : 4.7.1 -- Joomla version -- : 4.2.8 -- PHP version -- : 8.0 -- Error-message(debug-mod must be tuned on) -- : ATTEMPT TO ASSIGN PROPERTY "SYNCHED_CART_QUANTITY" ON NULL Hello, when switching from PHP 7.4.x to 8.0 i get the error as shown in the screenshot. I am using the "Storefront - eCommerce Joomla! template" storefront.demo.gavick.com/ When i switch back to PHP 7.4. and activate show php errors, i get: Notice: Undefined property: ProductViewProduct::$row in .../components/com_hikashop/views/product/tmpl/show_quantity.php on line 60 Notice: Trying to get property 'product_id' of non-object in .../com_hikashop/views/product/tmpl/show_quantity.php on line 60 Warning: Creating default object from empty value in .../com_hikashop/views/product/tmpl/show_quantity.php on line 61 Best regards Maurizio de Matteis")* Hello, Can you process theses tests : - Try php8 with a **default template** (Cassiopeia for J4) => **No error ?**, then there are good chance that your issue come from template (no php8 support?) - Can you precise your **test context**, when you "switch back to PHP 7.4" in order to allow us to better understand in which context these errors appear, we need you to precise : - Confirm that you **Joomla debug** is activated **AND** in the maximum level (or dev level) => Note that in **production phase** you have to **switch off** the debug (or at least use a lower level) because prevent notice error is almost impossible to prevent in many cases. - Detail the **step by step** to reproduce your issue Awaiting your returns to progress Regards Last edit: 3 years 8 months ago by [Philip](/forum/user/34318-philip "View Philip's Profile"). Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI1LWluc3RhbGwtdXBkYXRlLzkwNTkxOC1lcnJvci1waHAtOD90bXBsPW1hcmtkb3du) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[maurizio.dematteis@gmail.com](/forum/user/53419-maurizio-dematteis-gmail-com "View maurizio.dematteis@gmail.com's Profile")** - [![maurizio.dematteis@gmail.com's Avatar](https://www.hikashop.com/media/kunena/core/svg/person.svg)](/forum/user/53419-maurizio-dematteis-gmail-com "View maurizio.dematteis@gmail.com's Profile") Topic Author - [ Offline](/forum/user/53419-maurizio-dematteis-gmail-com) Less More - Posts: 18 - Thank you received: 2 - - 3 years 8 months ago [\#349370](#349370) by [maurizio.dematteis@gmail.com](/forum/user/53419-maurizio-dematteis-gmail-com "View maurizio.dematteis@gmail.com's Profile") Replied by *[maurizio.dematteis@gmail.com](/forum/user/53419-maurizio-dematteis-gmail-com "View maurizio.dematteis@gmail.com's Profile")* on topic *[Error PHP 8 ?](/forum/25-install-update/905918-error-php-8#349370 "-- HikaShop version -- : 4.7.1 -- Joomla version -- : 4.2.8 -- PHP version -- : 8.0 -- Error-message(debug-mod must be tuned on) -- : ATTEMPT TO ASSIGN PROPERTY "SYNCHED_CART_QUANTITY" ON NULL Hello, when switching from PHP 7.4.x to 8.0 i get the error as shown in the screenshot. I am using the "Storefront - eCommerce Joomla! template" storefront.demo.gavick.com/ When i switch back to PHP 7.4. and activate show php errors, i get: Notice: Undefined property: ProductViewProduct::$row in .../components/com_hikashop/views/product/tmpl/show_quantity.php on line 60 Notice: Trying to get property 'product_id' of non-object in .../com_hikashop/views/product/tmpl/show_quantity.php on line 60 Warning: Creating default object from empty value in .../com_hikashop/views/product/tmpl/show_quantity.php on line 61 Best regards Maurizio de Matteis")* Hallo Philip, it seems to be a problem with the Storefront template. With Cassiopeia all works well. II will ask for support. Thank you and regards Maurizio The following user(s) said Thank You: [Philip](/forum/user/34318-philip "View Philip's Profile") Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI1LWluc3RhbGwtdXBkYXRlLzkwNTkxOC1lcnJvci1waHAtOD90bXBsPW1hcmtkb3du) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[maurizio.dematteis@gmail.com](/forum/user/53419-maurizio-dematteis-gmail-com "View maurizio.dematteis@gmail.com's Profile")** - [![maurizio.dematteis@gmail.com's Avatar](https://www.hikashop.com/media/kunena/core/svg/person.svg)](/forum/user/53419-maurizio-dematteis-gmail-com "View maurizio.dematteis@gmail.com's Profile") Topic Author - [ Offline](/forum/user/53419-maurizio-dematteis-gmail-com) Less More - Posts: 18 - Thank you received: 2 - - 3 years 8 months ago [\#349430](#349430) by [maurizio.dematteis@gmail.com](/forum/user/53419-maurizio-dematteis-gmail-com "View maurizio.dematteis@gmail.com's Profile") Replied by *[maurizio.dematteis@gmail.com](/forum/user/53419-maurizio-dematteis-gmail-com "View maurizio.dematteis@gmail.com's Profile")* on topic *[Error PHP 8 ?](/forum/25-install-update/905918-error-php-8#349430 "-- HikaShop version -- : 4.7.1 -- Joomla version -- : 4.2.8 -- PHP version -- : 8.0 -- Error-message(debug-mod must be tuned on) -- : ATTEMPT TO ASSIGN PROPERTY "SYNCHED_CART_QUANTITY" ON NULL Hello, when switching from PHP 7.4.x to 8.0 i get the error as shown in the screenshot. I am using the "Storefront - eCommerce Joomla! template" storefront.demo.gavick.com/ When i switch back to PHP 7.4. and activate show php errors, i get: Notice: Undefined property: ProductViewProduct::$row in .../components/com_hikashop/views/product/tmpl/show_quantity.php on line 60 Notice: Trying to get property 'product_id' of non-object in .../com_hikashop/views/product/tmpl/show_quantity.php on line 60 Warning: Creating default object from empty value in .../com_hikashop/views/product/tmpl/show_quantity.php on line 61 Best regards Maurizio de Matteis")* Hallo Philip, This workaround helped.I posted it to the guys of gavick and they said, this is Hikashop Core Code. Can you give me advice. best regards Maurizio --- Hello, I commented out code in /components/com_hikashop/views/product/tmpl/show_quantity.php at line 59 Everything works fine as far as i can see. Shop is not yet in productive mode. Regards $extra_classes = ''; from here: if($this->config->get('synchronized_add_to_cart', 0)) { $cartClass = hikashop_get('class.cart'); $cartProductData = $cartClass->getCartProductData($this->row->product_id); $this->row->synched_cart_quantity = (int)@$cartProductData->cart_product_quantity; if($quantityLayout == 'show_default') $quantityLayout = 'show_default_div'; if($this->row->synched_cart_quantity) $current_quantity = $this->row->synched_cart_quantity; if($min_quantity == 1) $min_quantity = 0; $cartClass->syncInit(); if(in_array($quantityLayout, array('show_select','show_select_price'))) $extra_classes = 'no-chzn'; to here ?> <input id="<?php echo $id; ?>_synch" class="synchronized_add_to_cart" data-id="<?php echo $id; ?>" data-product-id="<?php echo $this->row->product_id; ?>" data-cart-product-id="<?php echo @$cartProductData->cart_product_id; ?>" type="hidden" name="synched_cart_quantity" value="<?php echo $this->row->synched_cart_quantity; ?>"/> <?php } Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI1LWluc3RhbGwtdXBkYXRlLzkwNTkxOC1lcnJvci1waHAtOD90bXBsPW1hcmtkb3du) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[nicolas](/forum/user/63-nicolas "View nicolas's Profile")** - [![nicolas's Avatar](https://www.hikashop.com/media/kunena/avatars/resized/size144/users/avatar63.png?1793428657)](/forum/user/63-nicolas "View nicolas's Profile") - [ Offline](/forum/user/63-nicolas) Less More - Posts: 86556 - Thank you received: 14304 - - 3 years 8 months ago [\#349433](#349433) by [nicolas](/forum/user/63-nicolas "View nicolas's Profile") Replied by *[nicolas](/forum/user/63-nicolas "View nicolas's Profile")* on topic *[Error PHP 8 ?](/forum/25-install-update/905918-error-php-8#349433 "-- HikaShop version -- : 4.7.1 -- Joomla version -- : 4.2.8 -- PHP version -- : 8.0 -- Error-message(debug-mod must be tuned on) -- : ATTEMPT TO ASSIGN PROPERTY "SYNCHED_CART_QUANTITY" ON NULL Hello, when switching from PHP 7.4.x to 8.0 i get the error as shown in the screenshot. I am using the "Storefront - eCommerce Joomla! template" storefront.demo.gavick.com/ When i switch back to PHP 7.4. and activate show php errors, i get: Notice: Undefined property: ProductViewProduct::$row in .../components/com_hikashop/views/product/tmpl/show_quantity.php on line 60 Notice: Trying to get property 'product_id' of non-object in .../com_hikashop/views/product/tmpl/show_quantity.php on line 60 Warning: Creating default object from empty value in .../com_hikashop/views/product/tmpl/show_quantity.php on line 61 Best regards Maurizio de Matteis")* Hi, Change the line: Code: if($this->config->get('synchronized_add_to_cart', 0)) { to: Code: if($this->config->get('synchronized_add_to_cart', 0) && isset($this->row)) { in the file components/com_hikashop/views/product/tmpl/show_quantity.php and that should fix the problem. Let us know the result on your end so that we can add the modification on our end too for others. Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI1LWluc3RhbGwtdXBkYXRlLzkwNTkxOC1lcnJvci1waHAtOD90bXBsPW1hcmtkb3du) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[maurizio.dematteis@gmail.com](/forum/user/53419-maurizio-dematteis-gmail-com "View maurizio.dematteis@gmail.com's Profile")** - [![maurizio.dematteis@gmail.com's Avatar](https://www.hikashop.com/media/kunena/core/svg/person.svg)](/forum/user/53419-maurizio-dematteis-gmail-com "View maurizio.dematteis@gmail.com's Profile") Topic Author - [ Offline](/forum/user/53419-maurizio-dematteis-gmail-com) Less More - Posts: 18 - Thank you received: 2 - - 3 years 8 months ago [\#349516](#349516) by [maurizio.dematteis@gmail.com](/forum/user/53419-maurizio-dematteis-gmail-com "View maurizio.dematteis@gmail.com's Profile") Replied by *[maurizio.dematteis@gmail.com](/forum/user/53419-maurizio-dematteis-gmail-com "View maurizio.dematteis@gmail.com's Profile")* on topic *[Error PHP 8 ?](/forum/25-install-update/905918-error-php-8#349516 "-- HikaShop version -- : 4.7.1 -- Joomla version -- : 4.2.8 -- PHP version -- : 8.0 -- Error-message(debug-mod must be tuned on) -- : ATTEMPT TO ASSIGN PROPERTY "SYNCHED_CART_QUANTITY" ON NULL Hello, when switching from PHP 7.4.x to 8.0 i get the error as shown in the screenshot. I am using the "Storefront - eCommerce Joomla! template" storefront.demo.gavick.com/ When i switch back to PHP 7.4. and activate show php errors, i get: Notice: Undefined property: ProductViewProduct::$row in .../components/com_hikashop/views/product/tmpl/show_quantity.php on line 60 Notice: Trying to get property 'product_id' of non-object in .../com_hikashop/views/product/tmpl/show_quantity.php on line 60 Warning: Creating default object from empty value in .../com_hikashop/views/product/tmpl/show_quantity.php on line 61 Best regards Maurizio de Matteis")* Hello Nicolas, works well! Thanks and with best regards Maurizio The following user(s) said Thank You: [nicolas](/forum/user/63-nicolas "View nicolas's Profile") Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI1LWluc3RhbGwtdXBkYXRlLzkwNTkxOC1lcnJvci1waHAtOD90bXBsPW1hcmtkb3du) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. 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