How to set a default display value for possibly empty variables (such as arrays or strings) in Anqi CMS templates?
During the process of building a website with AnqiCMS, we often encounter such situations: a variable needs to be displayed in the template, but it may be empty for various reasons, such as not setting a thumbnail, a list without content, or optional information not filled in.If these empty variables are not processed, the page may appear with ugly blank areas, error messages, or layout errors, which undoubtedly affects the user experience.