{@ $oDB = DB::getInstance(); $query = 'SELECT friend_srl FROM member_friend WHERE member_srl = ? AND target_srl = ?'; $stmt = $oDB->prepare($query); $stmt->execute([$logged_info->member_srl, $member_srl]); $result = $stmt->fetchAll(); $friend_srl = $result[0]->friend_srl; }