i must restrict the variety of posts on a particular class and if a brand new put up is created and positioned this class, however the variety of most posts is reached, then the older one mechanically been faraway from that class.

Is that one thing attainable that may occur in a plugin? In that case, anybody that may assist?

koum is a brand new contributor to this web site. Take care in asking for clarification, commenting, and answering.
Take a look at our Code of Conduct.