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<?php
// 存成 "mime_mail.inc" 檔案
class mime_mail {
var $parts;
var $to;
var $from;
var $headers;
var $subject;
var $body;
/*
* void mime_mail()
* 類別建構者
*/
function mime_mail() {
$this->parts = array();
$this->to = "";
$this->from = "";
$this->subject = "";
$this->body = "";
$this->headers = "";
}
/*
* void add_attachment(string message,
* [string name],
* [string ctype])
* 將附加物（附檔）加入郵件物件
*/
function add_attachment($message, $name = "",
$ctype = "application/octet-stream") {
$this->parts[] = array( "ctype" => $ctype,
"message" => $message,
"encode" => $encode,
"name" => $name);
}
/*
* void build_message(array part)
* 建立 multipart 郵件的訊息部份
*/
function build_message($part) {
$message = $part["message"];
$message = chunk_split(base64_encode($message));
$encoding = "base64";
return "content-type: " . $part["ctype"] .
($part["name"] ? "; name=\"".$part["name"]."\"" : "") .
"\ncontent-transfer-encoding: $encoding\n\n$message\n";
}
/*
* void build_multipart()
* 建立一封 multipart 郵件
*/
function build_multipart() {
$boundary = "b" . md5(uniqid(time()));
$multipart = "content-type: multipart/mixed; " .
"boundary = $boundary\n\n" .
"this is a mime encoded message.\n\n–$boundary";
for ($i = sizeof($this->parts) – 1; $i >= 0; $i–) {
$multipart .= "\n" . $this->build_message($this->parts[$i]) . "–$boundary";
}
return $multipart . "–\n";
}
/*
* string get_mail()
* 傳回已組合完成的郵件
*/
function get_mail($complete = true) {
$mime = "";
if (!empty($this->from))
$mime .= "from: " . $this->from . "\n";
if (!empty($this->headers))
$mime .= $this->headers . "\n";
if ($complete) {
if (!empty($this->to))
$mime .= "to: $this->to\n";
if (!empty($this->subject))
$mime .= "subject: $this->subject\n";
}
if (!empty($this->body))
$this->add_attachment($this->body, "", "text/plain");
$mime .= "mime-version: 1.0\n" . $this->build_multipart();
return $mime;
}
/*
* void send()
* 寄出這封信（最後一個被呼叫的函式）
*/
function send() {
$mime = $this->get_mail(false);
mail($this->to, $this->subject, "", $mime);
}
} // 類別結束
?>
