exception ‘PHPExcel_Calculation_Exception‘ with message ‘粉丝数据!C2679 -> Formula Error: Operator ‘=‘ has no operands

 if(strpos($lists[$i-2][‘nickname‘],‘=‘) === 0){
        $lists[$i-2][‘nickname‘] = "‘".$lists[$i-2][‘nickname‘];
}

//csv的标题头
                        $headTitle = array(
                                ‘开卡场馆‘,
                                ‘卡号‘,
                                ‘会员姓名‘,
                                ‘开卡类型‘,
                                ‘累计消费‘,
                                ‘会员余额‘,
                                ‘开卡时间‘,
                                ‘操作员‘,
                                ‘推荐人‘,
                        );
                        //遍历写入每一行数据
                        foreach ($data[‘list‘] as $row)
                        {
                                // 将数据 严格 按照标题来排序
                                $have_order_row = array();
                                $have_order_row[] = $row["stadium_name"];
                                $have_order_row[] = $row["card_num"];
                                //$have_order_row[] = $row["member_name"];
                                $have_order_row[] = strpos($row["member_name"],‘=‘) === 0 ? "‘" . $row["member_name"] : $row["member_name"];
                                $have_order_row[] = $row["is_wxcard_str"];
                                $have_order_row[] = $row["consume_money"];
                                $have_order_row[] = $row["reality_money"];
                                $have_order_row[] = $row["time_str"];
                                $have_order_row[] = $row["operator_name"];
                                $have_order_row[] = $row["introducer_name"];
                                $bodyData[] = $have_order_row;
                        }