使用PHP中的IMAP将附件下载到目录，随机工作

php imap attachment

2022-08-30 15:50:38

我在网上找到了PHP代码，可以使用IMAP从这里下载到目录的附件。http://www.nerdydork.com/download-pop3imap-email-attachments-with-php.html

稍微修改了一下

        $structure = imap_fetchstructure($mbox, $jk);
        $parts = ($structure->parts);

自

        $structure = imap_fetchstructure($mbox, $jk);
        $parts = ($structure);

为了让它正常运行，否则我得到了一个关于stdClass如何不定义一个名为$parts的属性的错误。这样做，我能够下载所有附件。我最近再次测试了它，但它不起作用。好吧，它没有工作6次，第7次工作，然后从那以后就再也没有工作了。我认为这与我搞砸了零件处理有关，因为count（$parts）为每条消息返回1，因此我认为它找不到任何附件。

由于它一度下载了附件，没有问题，因此我相信事情搞砸的领域就在这里。在此代码块之前是一个 for 循环，它遍历框中的每条消息，在循环之后，它只遍历每个 imap 结构的$parts。感谢您提供的任何帮助。我看了 php.net imap_fetchstructure页面，无法弄清楚我做错了什么。

编辑：我只是在输入我的问题后仔细检查了文件夹，然后全部弹出。我觉得我快要疯了。在我开始键入此代码之前的几分钟以来，我就没有运行过代码，对我来说，它需要这么长时间才能触发是没有意义的。我的邮箱里有大约800封邮件，但我认为，由于它在PHP的最后打印了我的声明，因此所有文件创建工作都已完成。

答案 1

这是完美的工作答案，试试这个。

此示例正常运行并下载所有附件，没有任何问题。

<?php

set_time_limit(3000); 

/* connect to gmail with your credentials */
$hostname = '{imap.gmail.com:993/imap/ssl}INBOX';
$username = 'YOUR_USERNAME'; 
$password = 'YOUR_PASSWORD';

/* try to connect */
$inbox = imap_open($hostname,$username,$password) or die('Cannot connect to Gmail: ' . imap_last_error());

$emails = imap_search($inbox, 'FROM "abc@gmail.com"');

/* if any emails found, iterate through each email */
if($emails) {

    $count = 1;

    /* put the newest emails on top */
    rsort($emails);

    /* for every email... */
    foreach($emails as $email_number) 
    {

        /* get information specific to this email */
        $overview = imap_fetch_overview($inbox,$email_number,0);

        $message = imap_fetchbody($inbox,$email_number,2);

        /* get mail structure */
        $structure = imap_fetchstructure($inbox, $email_number);

        $attachments = array();

        /* if any attachments found... */
        if(isset($structure->parts) && count($structure->parts)) 
        {
            for($i = 0; $i < count($structure->parts); $i++) 
            {
                $attachments[$i] = array(
                    'is_attachment' => false,
                    'filename' => '',
                    'name' => '',
                    'attachment' => ''
                );

                if($structure->parts[$i]->ifdparameters) 
                {
                    foreach($structure->parts[$i]->dparameters as $object) 
                    {
                        if(strtolower($object->attribute) == 'filename') 
                        {
                            $attachments[$i]['is_attachment'] = true;
                            $attachments[$i]['filename'] = $object->value;
                        }
                    }
                }

                if($structure->parts[$i]->ifparameters) 
                {
                    foreach($structure->parts[$i]->parameters as $object) 
                    {
                        if(strtolower($object->attribute) == 'name') 
                        {
                            $attachments[$i]['is_attachment'] = true;
                            $attachments[$i]['name'] = $object->value;
                        }
                    }
                }

                if($attachments[$i]['is_attachment']) 
                {
                    $attachments[$i]['attachment'] = imap_fetchbody($inbox, $email_number, $i+1);

                    /* 3 = BASE64 encoding */
                    if($structure->parts[$i]->encoding == 3) 
                    { 
                        $attachments[$i]['attachment'] = base64_decode($attachments[$i]['attachment']);
                    }
                    /* 4 = QUOTED-PRINTABLE encoding */
                    elseif($structure->parts[$i]->encoding == 4) 
                    { 
                        $attachments[$i]['attachment'] = quoted_printable_decode($attachments[$i]['attachment']);
                    }
                }
            }
        }

        /* iterate through each attachment and save it */
        foreach($attachments as $attachment)
        {
            if($attachment['is_attachment'] == 1)
            {
                $filename = $attachment['name'];
                if(empty($filename)) $filename = $attachment['filename'];

                if(empty($filename)) $filename = time() . ".dat";
                $folder = "attachment";
                if(!is_dir($folder))
                {
                     mkdir($folder);
                }
                $fp = fopen("./". $folder ."/". $email_number . "-" . $filename, "w+");
                fwrite($fp, $attachment['attachment']);
                fclose($fp);
            }
        }
    }
} 

/* close the connection */
imap_close($inbox);

echo "all attachment Downloaded";

?>

答案 2

这是最终的工作示例

<? include('application.php'); 
/* connect to gmail */
$hostname = '{imap.gmail.com:993/imap/ssl}INBOX';
$username = 'XX@XX.com';
$password = 'XX';

/* try to connect */
$inbox = imap_open($hostname,$username,$password) or die('Cannot connect to Gmail: ' . imap_last_error());

/* grab emails */
$emails = imap_search($inbox, 'FROM "xxx@gmail.com"');



/* if emails are returned, cycle through each... */
if($emails) {

  /* begin output var */
  $output = '';

  /* put the newest emails on top */
  rsort($emails);




    foreach($emails as $email_number) {

    /* get information specific to this email */
    $overview = imap_fetch_overview($inbox,$email_number,0);
    $message = imap_fetchbody($inbox,$email_number,2);
    $structure = imap_fetchstructure($inbox,$email_number);


    pre($overview);


     $attachments = array();
       if(isset($structure->parts) && count($structure->parts)) {
         for($i = 0; $i < count($structure->parts); $i++) {
           $attachments[$i] = array(
              'is_attachment' => false,
              'filename' => '',
              'name' => '',
              'attachment' => '');

           if($structure->parts[$i]->ifdparameters) {
             foreach($structure->parts[$i]->dparameters as $object) {
               if(strtolower($object->attribute) == 'filename') {
                 $attachments[$i]['is_attachment'] = true;
                 $attachments[$i]['filename'] = $object->value;
               }
             }
           }

           if($structure->parts[$i]->ifparameters) {
             foreach($structure->parts[$i]->parameters as $object) {
               if(strtolower($object->attribute) == 'name') {
                 $attachments[$i]['is_attachment'] = true;
                 $attachments[$i]['name'] = $object->value;
               }
             }
           }

           if($attachments[$i]['is_attachment']) {
             $attachments[$i]['attachment'] = imap_fetchbody($inbox, $email_number, $i+1);
             if($structure->parts[$i]->encoding == 3) { // 3 = BASE64
               $attachments[$i]['attachment'] = base64_decode($attachments[$i]['attachment']);
             }
             elseif($structure->parts[$i]->encoding == 4) { // 4 = QUOTED-PRINTABLE
               $attachments[$i]['attachment'] = quoted_printable_decode($attachments[$i]['attachment']);
             }
           }             
         } // for($i = 0; $i < count($structure->parts); $i++)
       } // if(isset($structure->parts) && count($structure->parts))


    if(count($attachments)!=0){
        foreach($attachments as $at){
            if($at['is_attachment']==1){
                file_put_contents($at['filename'], $at['attachment']);
            }
        }
    }

  }

 // echo $output;
} 

/* close the connection */
imap_close($inbox);

?>