In Magento 2, you can check if a customer is logged in by using session management or dependency injection in a custom module. This helps personalize content, restrict access, and enhance the user experience.

To check your Magento 2 version, you can use the admin panel, command-line interface, or configuration files. Knowing the version helps with updates and compatibility.

To upload a file programmatically in Magento 2, create a custom module and use Magento's file uploader functionality. Handle file validation, storage, and permissions correctly to ensure secure and efficient file management.

Learn how to add a custom order attribute in Magento 2 programmatically by creating a custom module, defining the attribute in the database, and displaying it in the admin panel and frontend.

This step-by-step guide walks you through installing the Hyvä theme in Magento 2, covering prerequisites, installation commands, and configuration steps to optimize performance and design.

The "Allowed Memory Size Exhausted" error in Magento 2 happens when the script exceeds the allocated memory limit. To fix it, increase the memory allocation in server settings, optimize Magento by clearing cache and reindexing, and ensure the hosting environment meets Magento’s system requirements.

In Magento 2, you can get the base URL from the admin panel under Stores > Configuration > General > Web. To retrieve it dynamically, Magento provides options to include or exclude the store code based on store settings. You can also access it programmatically through Magento’s store manager or URL interface.

Learn how to add pagination to a custom collection in Magento 2 using setPageSize() and setCurPage() methods. This helps improve performance and user experience by loading data in manageable chunks.