使PHP发送带有内联图像附件的电子邮件 [英] Make PHP send an email with an inline image attachment

问题描述

无需使用PHPMailer，Swiftmailer，PEAR，Zend_mail或任何其他库，我想发送带有图像附件的电子邮件。

WITHOUT using PHPMailer, Swiftmailer, PEAR, Zend_mail, or any other libraries at all, I want to send an email with an image attachment inline.

重要的部分这里是内联的：我已经可以做其他事情了。

The important part here is attaching it inline: I already am able to do everything else.

内联意味着它能够被图像标签中的电子邮件中的HTML使用。

Inline meaning that it is able to be used by the HTML in the email in an image tag.

我真的不想使用PHPMailer或任何类似的东西 - 我不是唯一一个试图找出如何在stackoverflow上这样做的人，到目前为止，我看到的所有问题都只是为什么要使用PEAR或Zend_mail或其他东西的争论。我不想这样做，我不想争论。

I really don't want to use PHPMailer or anything like that--I am not the only one who has tried to figure out how to do this on stackoverflow, and so far all the questions I've seen get nothing but arguments about why they should be using PEAR or Zend_mail or something. I don't want to do that, and I don't want to argue about it.

推荐答案

这是你是什么寻找??

is this what you are looking for??

<?php
//define the receiver of the email
$to = '[e-mail]';
//define the subject of the email
$subject = 'Test email with attachment';
//create a boundary string. It must be unique
//so we use the MD5 algorithm to generate a random hash
$random_hash = md5(date('r', time()));
//define the headers we want passed. Note that they are separated with \r\n
$headers = "From: [e-mail]\r\nReply-To: [e-mail]";
//add boundary string and mime type specification
$headers .= "\r\nContent-Type: multipart/mixed; boundary=\"PHP-mixed-".$random_hash."\"";
//read the atachment file contents into a string,
//encode it with MIME base64,
//and split it into smaller chunks
$attachment = chunk_split(base64_encode(file_get_contents('attachment.zip')));
//define the body of the message.
ob_start(); //Turn on output buffering
?>
--PHP-mixed-<?php echo $random_hash; ?> 
Content-Type: multipart/alternative; boundary="PHP-alt-<?php echo $random_hash; ?>"

--PHP-alt-<?php echo $random_hash; ?> 
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: 7bit

Hello World!!!
This is simple text email message.

--PHP-alt-<?php echo $random_hash; ?> 
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: 7bit

<h2>Hello World!</h2>
<p>This is something with <b>HTML</b> formatting.</p>

--PHP-alt-<?php echo $random_hash; ?>--

--PHP-mixed-<?php echo $random_hash; ?> 
Content-Type: application/zip; name="attachment.zip" 
Content-Transfer-Encoding: base64 
Content-Disposition: attachment 

<?php echo $attachment; ?>
--PHP-mixed-<?php echo $random_hash; ?>--

<?php
//copy current buffer contents into $message variable and delete current output buffer
$message = ob_get_clean();
//send the email
$mail_sent = @mail( $to, $subject, $message, $headers );
//if the message is sent successfully print "Mail sent". Otherwise print "Mail failed"
echo $mail_sent ? "Mail sent" : "Mail failed";
?> 

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