Magenton 2 observer unable to serialize value
-
14-04-2021 - |
سؤال
Hi am getting unable to serialize value error in log files
below are my 2 observers
<?php
namespace Mageplaza\HelloWorld\Observer;
use Magento\Framework\Event\Observer as EventObserver;
use Magento\Framework\Event\ObserverInterface;
class CheckoutCartProductAddAfterObserver implements ObserverInterface
{
protected $_layout;
protected $_storeManager;
protected $_request;
public function __construct(
\Magento\Store\Model\StoreManagerInterface $storeManager,
\Magento\Framework\View\LayoutInterface $layout,
\Magento\Framework\App\RequestInterface $request
)
{
$this->_layout = $layout;
$this->_storeManager = $storeManager;
$this->_request = $request;
}
public function execute(EventObserver $observer)
{
$item = $observer->getQuoteItem();
$additionalOptions = array();
if ($additionalOption = $item->getOptionByCode('additional_options')){
$additionalOptions = (array) unserialize($additionalOption->getValue());
}
$post = $this->_request->getParam('checkout_cart_add');
if(is_array($post))
{
foreach($post as $key => $value)
{
if($key == '' || $value == '')
{
continue;
}
$additionalOptions[] = [
'label' => $key,
'value' => $value
];
}
}
if(count($additionalOptions) > 0)
{
$item->addOption(array(
'code' => 'additional_options',
'value' => serialize($additionalOptions)
));
$observer->getProduct()->addCustomOption('additional_options', serialize($additionalOptions));
}
}
}
2nd
<?php
namespace Mageplaza\HelloWorld\Observer;
use Magento\Framework\Event\Observer as EventObserver;
use Magento\Framework\Event\ObserverInterface;
class SalesModelServiceQuoteSubmitBeforeObserver implements ObserverInterface
{
private $quoteItems = [];
private $quote = null;
private $order = null;
public function execute(EventObserver $observer)
{
$this->quote = $observer->getQuote();
$this->order = $observer->getOrder();
foreach($this->order->getItems() as $orderItem)
{
if(!$orderItem->getParentItemId() && $orderItem->getProductType() == \Magento\Catalog\Model\Product\Type::TYPE_SIMPLE)
{
if($quoteItem = $this->getQuoteItemById($orderItem->getQuoteItemId())){
if ($additionalOptionsQuote = $quoteItem->getOptionByCode('additional_options'))
{
if($additionalOptionsOrder = $orderItem->getProductOptionByCode('additional_options'))
{
$additionalOptions = array_merge($additionalOptionsQuote, $additionalOptionsOrder);
}
else
{
$additionalOptions = $additionalOptionsQuote;
}
if(count($additionalOptions) > 0)
{
$options = $orderItem->getProductOptions();
$options['additional_options'] = unserialize($additionalOptions->getValue());
$orderItem->setProductOptions($options);
}
}
}
}
}
}
private function getQuoteItemById($id)
{
if(empty($this->quoteItems))
{
foreach($this->quote->getItems() as $item)
{
if(!$item->getParentItemId() && $item->getProductType() == \Magento\Catalog\Model\Product\Type::TYPE_SIMPLE)
{
$this->quoteItems[$item->getId()] = $item;
}
}
}
if(array_key_exists($id, $this->quoteItems))
{
return $this->quoteItems[$id];
}
return null;
}
}
any fix for this
error which am getting in debug log
main.DEBUG: cache_invalidate: {"method":"GET","url":"http:/","invalidateInfo":{"identifier":"interception"}} []
error in system log
[2020-09-30 09:46:44] main.CRITICAL: Unable to unserialize value. Error: Syntax error [] []
المحلول
Try to use below class in your construct to serialize and unserialize value.
public function __construct(
\Magento\Framework\Serialize\Serializer\Json $jsonSerializer
) {
$this->_jsonSerializer = $jsonSerializer;
}
Then you can use this functions..
$this->_jsonSerializer->serialize($array);
$this->_jsonSerializer->unserialize($array);
Hope this will help you.
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