what link here should only show the last version

main/wiki/index.php

@@ -1425,10 +1425,10 @@ if ($_GET['action']=='links') {
         }
 
         //table
-        if (api_is_allowed_to_edit(false,true) || api_is_platform_admin()) { //only by professors if page is hidden 
-            $sql="SELECT * FROM ".$tbl_wiki.", ".$tbl_wiki_conf." WHERE linksto LIKE '%".Database::escape_string($page)." %' AND ".$tbl_wiki_conf.".page_id=".$tbl_wiki.".page_id AND ".$tbl_wiki.".".$groupfilter.$condition_session.""; //add blank space after like '%" " %' to identify each word. // new version
+        if (api_is_allowed_to_edit(false,true) || api_is_platform_admin()) { //only by professors if page is hidden 	
+			$sql="SELECT * FROM ".$tbl_wiki." s1 WHERE linksto LIKE '%".Database::escape_string($page)." %' AND id=(SELECT MAX(s2.id) FROM ".$tbl_wiki." s2 WHERE s1.reflink = s2.reflink AND ".$groupfilter.$condition_session.")";//add blank space after like '%" " %' to identify each word			
         } else {
-            $sql="SELECT * FROM ".$tbl_wiki.", ".$tbl_wiki_conf." WHERE visibility=1 AND linksto LIKE '%".Database::escape_string($page)." %' AND ".$tbl_wiki_conf.".page_id=".$tbl_wiki.".page_id AND ".$tbl_wiki.".".$groupfilter.$condition_session.""; //add blank space after like '%" " %' to identify each word // new version
+            $sql="SELECT * FROM ".$tbl_wiki." s1 WHERE visibility=1 AND linksto LIKE '%".Database::escape_string($page)." %' AND id=(SELECT MAX(s2.id) FROM ".$tbl_wiki." s2 WHERE s1.reflink = s2.reflink AND ".$groupfilter.$condition_session.")";//add blank space after like '%" " %' to identify each word		
         }
 
         $allpages=Database::query($sql);