How to solve php code

Php code Solution $ auclist = C: t ('Auction _ inauctions ')-& gt; fetch_all_by_ SQL ('Id & nbsp; in ('. $ aucclouse. '); what does this code mean? Especially do not understand fetch_all_by_ SQL. Hope php code can be solved
$ Auclist = C: t ('Auction _ inauctions ')-> fetch_all_by_ SQL ('Id in ('. $ aucclouse .')');
What does this code mean? Especially do not understand fetch_all_by_ SQL.
Hope you have a finger. thank you! Share To: fetch_all_by_ SQL ('Id? In ('. $ aucclouse.'); what does this code mean... 'data-pics = ''>
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When the statement leaves the semantic environment, you cannot tell what it is.
The color indicates that the records whose IDs belong to the $ aucclouse set are extracted from the auction_inauctions table.
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It depends on how you define the specific fetch_all_by_ SQL method.