PHP邮件专题(2) - myimap类，读取邮件

myimap类，读取邮件
<?php
//////////////////////////////////////////////
//Origin by Alpha.Z (5/21/2000)
//Modified By Belltree <belltree@163.com> (11/01/2000)
///////////////////////////////////////////////
class myimap
{
var $username="";
var $userpwd="";
var $hostname="";
var $port=0;
var $connection=0; //是否连接
var $state="DISCONNECTED"; //连接状态
var $greeting="";
var $must_update=0;
var $inStream=0;
var $num_msg_parts = 0;
var $attach;
var $num_of_attach = 0;

function open()
{
if ($this->port==110)
$this->inStream=imap_open("{".$this->hostname."/pop3:110}inbox",$this->username,$this->userpwd);
else
$this->inStream=imap_open("{".$this->hostname.":143}INBOX",$this->username,$this->userpwd);

if ($this->inStream)
{
//echo "用户：$this->username 的信箱连接成功。<br>";
return $inStream;
}
else
{
echo "用户：$this->username 的信箱连接失败。<br>";
return 0;
}
}

Function close()
{
if(imap_close($this->inStream))
{
//echo "<hr>已经与服务器 $this->hostname 断开连接。";
return 1;
}
else
{
//echo "<hr>与服务器 $this->hostname 断开连接失败。";
return 0;
}
}

function DeleteMail($msg_no){
if (@imap_delete($this->inStream,$msg_no))
return true;
else
return false;
}

function ExpungeMail(){
if (@imap_expunge($this->inStream))
return true;
else
return false;
}

for ($i=0;$i<$mboxinfo->Nmsgs;$i++)
{
if (($i>=$page*$page_size) and ($i<$page*$page_size+$page_size)){
$msg_no = @imap_msgno($this->inStream, $sorted[$i]);
$msgHeader = @imap_header($this->inStream, $msg_no);
//日期

if (isset($msgHeader->date))
{
$date = $msgHeader->date;

if (ord($date) > 64)
$date = substr($date, 5);

$datepart = split(" ",$date);
$date = $datepart[0]." ".$datepart[1]." ".$datepart[2]." ".$datepart[3];
/*
while (strstr(' ', $date))
{
$date = str_replace(' ', ' ', $date);
}
*/
}

if (isset($msgHeader->from[0]))
{
$from = $msgHeader->from[0];
if (isset($from->personal))
{
$frm = trim($this->decode_mime_string($from->personal));
if (isset($from->mailbox) && isset($from->host))
{
$frm_add = $from->mailbox . '@' . $from->host;
}
}
else
if (isset($from->mailbox) && isset($from->host))
{
$frm = $from->mailbox . '@' . $from->host;
}
else
if (isset($msgHeader->fromaddress))
$frm = trim($h->fromaddress);
}
else
if (isset($msgHeader->fromaddress))
$frm = trim($msgHeader->fromaddress);

if (isset($msgHeader->toaddress))
$to = trim($msgHeader->toaddress);
else
$to = "未知";

if (isset($msgHeader->subject))
$sub = trim($this->decode_mime_string($msgHeader->subject));
if ($sub == "")
$sub = "无主题";
if (isset($msgHeader->Size))
$msg_size = ($msgHeader->Size > 1024) ? sprintf("%.0f kb", $msgHeader->Size / 1024) : $msgHeader->Size;
//if (strlen($frm) > 50)
// $frm = substr($frm, 0, 50) . '...';
if (strlen($sub) > 50)
$sub = substr($sub, 0, 50) . '...';
if ($msgHeader->Unseen == "U")
$newmail = "未读";
else
$newmail = "已读";
echo "<tr>\n";
echo "<td align=center>$newmail</td><td align=\"center\"></td>\n";
echo '<td>'.$frm.'</td><td><a href="mail_read.php?msg='.$msg_no.'">'.$sub.'</a></td><td width=125>'.$date.'</td><td width=50>'.$msg_size.'</td>';
echo "</tr>\n";
}}
echo "</table>\n";
echo "<table border=0 width=100% cellspacing=4 cellpadding=4><tr>\n";
if ($page == 0)
echo "<td>第一页</td>\n";
else
echo "<td><a href=\"mail_list.php?page=0\">第一页</a></td>\n";
if (($prev_page = $page-1) < 0)
echo "<td>前一页</td>\n";
else
echo "<td><a href=\"mail_list.php?page=$prev_page\">前一页</a></td>\n";

if (($next_page = $page + 1) >= $last_page)
echo "<td>后一页</td>\n";
else
echo "<td><a href=\"mail_list.php?page=$next_page\">后一页</a></td>\n";
$last_page --;
if ( $last_page < $next_page)
echo "<td>最末页</td>\n";
else
echo "<td><a href=\"mail_list.php?page=$last_page\">最末页</a></td>\n";
echo "</tr></table>\n";
}

function decode_mime_string ($string)
{
$pos = strpos($string, '=?');
if (!is_int($pos))
{
return $string;
}

$preceding = substr($string, 0, $pos); // save any preceding text

$search = substr($string, $pos+2, 75); // the mime header spec says this is the longest a single encoded word can be
$d1 = strpos($search, '?');
if (!is_int($d1))
{
return $string;
}

$charset = substr($string, $pos+2, $d1);
$search = substr($search, $d1+1);

$d2 = strpos($search, '?');
if (!is_int($d2))
{
return $string;
}

$encoding = substr($search, 0, $d2);
$search = substr($search, $d2+1);

$end = strpos($search, '?=');
if (!is_int($end))
{
return $string;
}

$encoded_text = substr($search, 0, $end);
$rest = substr($string, (strlen($preceding . $charset . $encoding . $encoded_text)+6));

switch ($encoding)
{
case 'Q':
case 'q':
$encoded_text = str_replace('_', '%20', $encoded_text);
$encoded_text = str_replace('=', '%', $encoded_text);
$decoded = urldecode($encoded_text);
break;

case 'B':
case 'b':
$decoded = urldecode(base64_decode($encoded_text));
break;

default:
$decoded = '=?' . $charset . '?' . $encoding . '?' . $encoded_text . '?=';
break;
}

return $preceding . $decoded . $this->decode_mime_string($rest);
}

Function display_toaddress ($user, $server, $from)
{
return is_int(strpos($from, $this->get_barefrom($user, $server)));
}

Function get_barefrom($user, $server)
{
$barefrom = "$user@$real_server";

return $barefrom;
}

Function get_structure($msg_num)
{
$structure=imap_fetchstructure($this->inStream,$msg_num);
//echo gettype($structure);
return $structure;
}

Function proc_structure($msg_part, $part_no, $msg_num)
{
if ($msg_part->ifdisposition)
{
// See if it has a disposition, The only thing I know of that this, would be used for would be an attachment
// Lets check anyway
if ($msg_part->disposition == "attachment")
{
$att_name = "unknown";
for ($lcv = 0; $lcv < count($msg_part->parameters); $lcv++)
{
$param = $msg_part->parameters[$lcv];

if ($param->attribute == "name")
{
$att_name = $param->value;
break;
}
}

$att_name = $this->decode_mime_string($att_name);

$att_path = $this->username."\\".$att_name;

$this->attach[$this->num_of_attach]=$att_name; //登记附件列表
$this->num_of_attach ++; //登记附件数量
/*
$att_path = $this->username."\\".$this->decode_mime_string($att_name);
if ($this->attach=="")
$this->attach = $att_name;
else
$this->attach .= ";".$att_name;
*/
if (!is_dir($this->username))
mkdir($this->username,0700);
$fp=fopen($att_path,"w");
switch ($msg_part->encoding)
{
case 3: // base64
fputs($fp,imap_base64(imap_fetchbody($this->inStream,$msg_num,$part_no)));
break;
case 4: // QP
fputs($fp,imap_qprint(imap_fetchbody($this->inStream,$msg_num,$part_no)));
break;
default:
fputs($fp,imap_fetchbody($this->inStream,$msg_num,$part_no));
break;
}
fclose($fp);

//if ($msg_part->type=="5"){
// echo "<p align=center><hr align=center>\n";
// echo "<img src=\"$att_path\" align=center></p>\n";
/ (责任编辑：龙舞天翔)

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PHP邮件专题(2) - myimap类，读取邮件