11 $this->render(
'index');
22 if(Yii::app()->user->id != NULL)
23 $usid = Yii::app()->user->id;
27 $knowledge=$_POST[
"knowledge"];
29 $sql_delete_interest_user=
"DELETE FROM interest_user
30 WHERE userid=$usid AND interestid=$topicid";
31 mysql_query($sql_delete_interest_user) or die (mysql_error());
34 $sql_insert_interest_user=
"INSERT INTO interest_user ( userid, interestid, knowledge)
36 ('$usid', '$topicid', '$knowledge')";
37 mysql_query($sql_insert_interest_user) or die (mysql_error());