发送文件附件思考PHP的邮件（）函数

Question

我正在使用PHP的邮件功能来发送电子邮件，但我将需要附加一个文件与该消息。

大多数情况下，我相信将要附加的项目将成为一个文本文件，如果必须的话，我可以将内容复制到电子邮件中，但我担心最终文件类型将变成PDF，Word文档等，因为要上传文件的人不知道纯文本和他们自己的格式之间的区别。

Answer 1

有这么进入了很多，我会强烈建议有一个包，为您完成所有如PHPMailer

有您能花时间做更重要的事情工作的工作，别人有已经完成了这项工作。

Answer 2

<?php 
$to = 'destination-address@somewhere.com'; 
$from = 'source@somewhere.com'; 
$subject = 'See Attachments'; 
$message = 'Please review the following attachments.'; 

// Define a list of FILES to send along with the e-mail. Key = File to be sent. Value = Name of file as seen in the e-mail. 
$attachments = array(
    '/tmp/WEDFRTS' => 'first-attachment.png', 
    '/tmp/some-other-file' => 'second-attachment.png' 
); 

// Define any additional headers you may want to include 
$headers = array(
    'Reply-to' => 'source@somewhere.com', 
    'Some-Other-Header-Name' => 'Header Value' 
); 

$status = mailAttachments($to, $from, $subject, $message, $attachments, $headers); 
if($status === True) { 
    print 'Successfully mailed!'; 
} else { 
    print 'Unable to send e-mail.'; 
} 




function mailAttachments($to, $from, $subject, $message, $attachments = array(), $headers = array(), $additional_parameters = '') { 
    $headers['From'] = $from; 

    // Define the boundray we're going to use to separate our data with. 
    $mime_boundary = '==MIME_BOUNDARY_' . md5(time()); 

    // Define attachment-specific headers 
    $headers['MIME-Version'] = '1.0'; 
    $headers['Content-Type'] = 'multipart/mixed; boundary="' . $mime_boundary . '"'; 

    // Convert the array of header data into a single string. 
    $headers_string = ''; 
    foreach($headers as $header_name => $header_value) { 
     if(!empty($headers_string)) { 
      $headers_string .= "\r\n"; 
     } 
     $headers_string .= $header_name . ': ' . $header_value; 
    } 

    // Message Body 
    $message_string = '--' . $mime_boundary; 
    $message_string .= "\r\n"; 
    $message_string .= 'Content-Type: text/plain; charset="iso-8859-1"'; 
    $message_string .= "\r\n"; 
    $message_string .= 'Content-Transfer-Encoding: 7bit'; 
    $message_string .= "\r\n"; 
    $message_string .= "\r\n"; 
    $message_string .= $message; 
    $message_string .= "\r\n"; 
    $message_string .= "\r\n"; 

    // Add attachments to message body 
    foreach($attachments as $local_filename => $attachment_filename) { 
     if(is_file($local_filename)) { 
      $message_string .= '--' . $mime_boundary; 
      $message_string .= "\r\n"; 
      $message_string .= 'Content-Type: application/octet-stream; name="' . $attachment_filename . '"'; 
      $message_string .= "\r\n"; 
      $message_string .= 'Content-Description: ' . $attachment_filename; 
      $message_string .= "\r\n"; 

      $fp = @fopen($local_filename, 'rb'); // Create pointer to file 
      $file_size = filesize($local_filename); // Read size of file 
      $data = @fread($fp, $file_size); // Read file contents 
      $data = chunk_split(base64_encode($data)); // Encode file contents for plain text sending 

      $message_string .= 'Content-Disposition: attachment; filename="' . $attachment_filename . '"; size=' . $file_size. ';'; 
      $message_string .= "\r\n"; 
      $message_string .= 'Content-Transfer-Encoding: base64'; 
      $message_string .= "\r\n\r\n"; 
      $message_string .= $data; 
      $message_string .= "\r\n\r\n"; 
     } 
    } 

    // Signal end of message 
    $message_string .= '--' . $mime_boundary . '--'; 

    // Send the e-mail. 
    return mail($to, $subject, $message_string, $headers_string, $additional _parameters); } 

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