How to use the `join` filter to concatenate the multiple tags (array) of an Anqi CMS article into a comma-separated string output?

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AnQiCMS (AnQiCMS) is loved by website operators for its flexible and efficient features.In daily content management, articles or products often associate with multiple tags (Tag), which are stored in the system in the form of an array.When we need to display these tags on the front-end page, for example, showing joinThe filter can easily meet this need.

Understand the tag data in Anqi CMS.

In Anqi CMS, when we add multiple tags to an article, the system internally will handle these tags

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