final touches - show friends in common with total strangers from different sites

include/contact_widgets.php

@@ -154,17 +154,22 @@ function common_friends_visitor_widget($profile_uid) {
 		}
 	}
 
-	if($zcid == 0)
+	if($cid == 0 && $zcid == 0)
 		return; 
 
 	require_once('include/socgraph.php');
 
-
-	$t = count_common_friends_zcid($profile_uid,$zcid);
+	if($cid)
+		$t = count_common_friends($profile_uid,$cid);
+	else
+		$t = count_common_friends($profile_uid,$cid);
 	if(! $t)
 		return;
 
-	$r = common_friends_zcid($profile_uid,$zcid);
+	if($cid)
+		$r = common_friends($profile_uid,$cid,5);
+	else
+		$r = common_friends_zcid($profile_uid,$zcid);
 
 	return replace_macros(get_markup_template('remote_friends_common.tpl'), array(
 		'$desc' =>  sprintf( tt("%d friend in common", "%d friends in common", $t), $t),

include/socgraph.php

@@ -182,17 +182,18 @@ function count_common_friends($uid,$cid) {
 }
 
 
-function common_friends($uid,$cid) {
+function common_friends($uid,$cid,$limit=9999) {
 
 	$r = q("SELECT `gcontact`.* 
 		FROM `glink` left join `gcontact` on `glink`.`gcid` = `gcontact`.`id`
 		where `glink`.`cid` = %d and `glink`.`uid` = %d
 		and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and id != %d ) 
-		order by `gcontact`.`name` asc ",
+		order by `gcontact`.`name` asc limit 0, %d",
 		intval($cid),
 		intval($uid),
 		intval($uid),
-		intval($cid)
+		intval($cid),
+		intval($limit)
 	);
 
 	return $r;