Magento Blog | For Simple Technical Solutions

Using csv we can update customer ids use this code in controller  if (($handle = fopen("/chroot/home/*****/*********/html/app/code/Test/Testmodule/Controller/Index/uniqueorder.csv", "r")) !== FALSE) {             while (($data = fgetcsv($handle, 10000, ",")) !== FALSE) {                 $email = $data[2]; //                 echo $url;die("data");                 $objectManager = \Magento\Framework\App\ObjectManager::getInstance();                 $orderCollection = $objectManager->create('\Magento\Sales\Model\ResourceModel\Order\CollectionFactory');                 $collection = $orderCollection->create()                         ->addAttributeToSelect('*')                         ->load();                 foreach ($collection as $order) {                     if ($order->getCustomerId() != NULL && $order->getCustomerEmail() == $email) {                         $customerData = $objectManage

1 - Infos About Store Get Current store Id : inject \Magento\Store\Model\StoreManagerInterface $storeManage   $this->storeManager = $storeManager;   and get the id with :   $id = $this->storeManager->getStore()->getId();   get base Url :   $baseUrl = $this->storeManager->getStore()->getBaseUrl();     you can inject \Magento\Framework\UrlInterface and use use constants of class as parameters (UrlInterface::URL_TYPE_LINK) :       const URL_TYPE_LINK = 'link';     const URL_TYPE_DIRECT_LINK = 'direct_link';     const URL_TYPE_WEB = 'web';     const URL_TYPE_MEDIA = 'media';     const URL_TYPE_STATIC = 'static';     const URL_TYPE_JS = 'js';   get base currency code  or (getBaseCurrency() , getDefaultCurrencyCode(), getDefaultCurrency()):   $baseCurrency = $this->storeManager->getStore()->getBaseCurrencyCode();   get current currency code or (getCurrentCur