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PHP PDO獲取結果

[英]PHP PDO fetch results

我有以下腳本可以正常運行,但我認為

a)丑陋;

b)運行腳本后,它無法滿足我的需求。

確切地說,該腳本應按以下方式工作:

1)SQL從給定表中選擇一個注冊日期在上個月之內的所有業務代表,並按業務代表編號分組,其中計數大於1的業務代表按注冊日期升序排列。 簡而言之,返回上個月注冊了多個成員的座席列表。

2)返回結果后,會將整個列表通過電子郵件發送給我自己(不確定如何完成此操作),並更新座席獎金表(注冊一個以上成員的座席將獲得獎金)。

為了實現這一點,我的腳本當前正在運行foreach循環(我討厭)以打破必要的字段數據。

任何改進過程的建議都值得贊賞。

腳本:

<?php

    try {   
            $db = new PDO('mysql:host=localhost;dbname=dbname', 'username', 'password');
            $db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
            $db->beginTransaction();

            $sql = $db->query("SELECT AGENT FROM tablename WHERE enroll_date > DATE_SUB(CURDATE(),INTERVAL 1 MONTH) GROUP BY AGENT HAVING COUNT(AGENT) >= 0 ORDER BY enroll_date ASC");             

            $result = $sql->fetchALL(PDO::FETCH_ASSOC);
            foreach($result as $key=>$val) {
                foreach($val as $ball=>$agentid) {

                    $sql2 = "UPDATE agent_prizes SET prize=?, method=? WHERE AGENT = '$agentid'";

                    $stmt = $db->prepare($sql2);
                    $stmt->execute(array("Y", "COMP"));


                    require('../phpmailer/class.phpmailer.php');

                    $mail             = new PHPMailer();
                    $mail->Username   = "user@domain.com";
                    $mail->Password   = "";
                    $mail->SetFrom("user@domain.com");
                    $mail->Subject    = "Subject";
                    $mail->MsgHTML("Message");

   //I NEED TO RUN YET ANOTHER QUERY SELECT ABOVE TO CAPTURE THE AGENT EMAIL ADDRESS, LETTING THEM KNOW THEY HAVE WON A PRIZE
                        $mail->AddAddress($row["EmailAddress"]);
                        $mail->Send();
                        $mail->ClearAttachments();
                        $mail->ClearAllRecipients();
                        $mail->ClearReplyTos();    
                    }
                }



            $db->commit();
            $db->null;
        }

    catch (PDOException $e)
        {
            $db->rollback();
            echo $e->getMessage();

            exit;
        }
?>

這擺脫了第二個foreach並且(希望-我還沒有測試過)在一個選擇中獲得了代理的電子郵件地址:

...
$sql = $db->query("SELECT tablename.AGENT AGENT, agent.EMAIL EMAIL, 
                   FROM tablename, agent 
                   WHERE enroll_date > DATE_SUB(CURDATE(),INTERVAL 1 MONTH) AND tablename.AGENT = agent.AGENT 
                   GROUP BY tablename.AGENT 
                   HAVING COUNT(tablename.AGENT) > 1 
                   ORDER BY enroll_date ASC");             
$result = $sql->fetchALL(PDO::FETCH_ASSOC);
foreach($result as $row)
{
  $sql2 = "UPDATE agent_prizes 
           SET prize=?, method=? 
           WHERE AGENT = '{$row["AGENT"]}'";
...

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