PHP如何实现接收邮件功能？

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使用PHP发送邮件通常不困难，但读取邮箱内容时，会发现直接接触邮箱细节变得复杂。这次总结一下我的经验，希望能帮助到大家。

注意：1. PHP读取邮箱主要依赖imap扩展，使用以下方法前，请确保已开启此扩展。

我的经验是，尽管大型公司都信任PHP，但读取邮箱的代码往往过于简略，导致实用性不足。以下是我的一些总结：

1. 使用imap扩展读取邮箱，可以有效地管理邮件数据。

2.在使用之前，确保imap扩展已启用。

3.使用fetchmail或类似工具将邮件从其他邮箱服务器导入，可以提高读取效率。

4.适当处理异常和错误，确保程序的健壮性。

5.根据实际需求，合理设计邮件读取逻辑，以提高代码的可读性和可维护性。

希望这些建议能对大家有所帮助。

用PHP来发邮件,相信大家都不陌生,但读取收件箱的话,接触就少了,这次总结下自己的经验,希望可以帮助大家.

注意：

1.PHP读取收件箱主要是利用imap扩展,所以在使用以下方法前,必须开启imap扩展模块的支持.

2.此方法支持中文,不会乱码,需要保持所有文件的编码的一致性

1.文件结构

2.邮件类 ./mailreceived/receiveMail.class.php

./mailreceived/receiveMail.class.php 文件内容如下:

<?php // Main ReciveMail Class File - Version 1.0 (03-06-2015) /* * File: recivemail.class.php * Description: Reciving mail With Attechment * Version: 1.1 * Created: 03-06-2015 * Author: Sara Zhou */ class receiveMail { var $server=''; var $username=''; var $password=''; var $marubox=''; var $email=''; function receiveMail($username,$password,$EmailAddress,$mailserver='localhost',$servertype='pop',$port='110',$ssl = false) //Constructure { if($servertype=='imap') { if($port=='') $port='143'; $strConnect='{'.$mailserver.':'.$port. '}INBOX'; } else { $strConnect='{'.$mailserver.':'.$port. '/pop3'.($ssl ? "/ssl" : "").'}INBOX'; } $this->server = $strConnect; $this->username = $username; $this->password = $password; $this->email = $EmailAddress; } function connect() //Connect To the Mail Box { $this->marubox=@imap_open($this->server,$this->username,$this->password); if(!$this->marubox) { return false; // echo "Error: Connecting to mail server"; // exit; } return true; } function getHeaders($mid) // Get Header info { if(!$this->marubox) return false; $mail_header=imap_header($this->marubox,$mid); $sender=$mail_header->from[0]; $sender_replyto=$mail_header->reply_to[0]; if(strtolower($sender->mailbox)!='mailer-daemon' && strtolower($sender->mailbox)!='postmaster') { $subject=$this->decode_mime($mail_header->subject); $ccList=array(); foreach ($mail_header->cc as $k => $v) { $ccList[]=$v->mailbox.'@'.$v->host; } $toList=array(); foreach ($mail_header->to as $k => $v) { $toList[]=$v->mailbox.'@'.$v->host; } $ccList=implode(",", $ccList); $toList=implode(",", $toList); $mail_details=array( 'fromBy'=>strtolower($sender->mailbox).'@'.$sender->host, 'fromName'=>$this->decode_mime($sender->personal), 'ccList'=>$ccList,//strtolower($sender_replyto->mailbox).'@'.$sender_replyto->host, 'toNameOth'=>$this->decode_mime($sender_replyto->personal), 'subject'=>$subject, 'mailDate'=>date("Y-m-d H:i:s",$mail_header->udate), 'udate'=>$mail_header->udate, 'toList'=>$toList//strtolower($mail_header->to[0]->mailbox).'@'.$mail_header->to[0]->host // 'to'=>strtolower($mail_header->toaddress) ); } return $mail_details; } function get_mime_type(&$structure) //Get Mime type Internal Private Use { $primary_mime_type = array("TEXT", "MULTIPART", "MESSAGE", "APPLICATION", "AUDIO", "IMAGE", "VIDEO", "OTHER"); if($structure->subtype && $structure->subtype!="PNG") { return $primary_mime_type[(int) $structure->type] . '/' . $structure->subtype; } return "TEXT/PLAIN"; } function get_part($stream, $msg_number, $mime_type, $structure = false, $part_number = false) //Get Part Of Message Internal Private Use { if(!$structure) { $structure = imap_fetchstructure($stream, $msg_number); } if($structure) { if($mime_type == $this->get_mime_type($structure)) { if(!$part_number) { $part_number = "1"; } $text = imap_fetchbody($stream, $msg_number, $part_number); if($structure->encoding == 3) { return imap_base64($text); // if ($structure->parameters[0]->value!="utf-8") // { // return imap_base64($text); // } // else // { // return imap_base64($text); // } } else if($structure->encoding == 4) { return iconv('gb2312','utf8',imap_qprint($text)); } else { return iconv('gb2312','utf8',$text); } } if($structure->type == 1) /* multipart */ { while(list($index, $sub_structure) = each($structure->parts)) { if($part_number) { $prefix = $part_number . '.'; } $data = $this->get_part($stream, $msg_number, $mime_type, $sub_structure, $prefix . ($index + 1)); if($data) { return $data; } } } } return false; } function getTotalMails() //Get Total Number off Unread Email In Mailbox { if(!$this->marubox) return false; // return imap_headers($this->marubox); return imap_num_recent($this->marubox); } function GetAttach($mid,$path) // Get Atteced File from Mail { if(!$this->marubox) return false; $struckture = imap_fetchstructure($this->marubox,$mid); $files=array(); if($struckture->parts) { foreach($struckture->parts as $key => $value) { $enc=$struckture->parts[$key]->encoding; //取邮件附件 if($struckture->parts[$key]->ifdparameters) { //命名附件,转码 $name=$this->decode_mime($struckture->parts[$key]->dparameters[0]->value); $extend =explode("." , $name); $file['extension'] = $extend[count($extend)-1]; $file['pathname'] = $this->setPathName($key, $file['extension']); $file['title'] = !empty($name) ? htmlspecialchars($name) : str_replace('.' . $file['extension'], '', $name); $file['size'] = $struckture->parts[$key]->dparameters[1]->value; // $file['tmpname'] = $struckture->parts[$key]->dparameters[0]->value; if(@$struckture->parts[$key]->disposition=="ATTACHMENT") { $file['type'] = 1; } else { $file['type'] = 0; } $files[] = $file; $message = imap_fetchbody($this->marubox,$mid,$key+1); if ($enc == 0) $message = imap_8bit($message); if ($enc == 1) $message = imap_8bit ($message); if ($enc == 2) $message = imap_binary ($message); if ($enc == 3)//图片 $message = imap_base64 ($message); if ($enc == 4) $message = quoted_printable_decode($message); if ($enc == 5) $message = $message; $fp=fopen($path.$file['pathname'],"w"); fwrite($fp,$message); fclose($fp); } // 处理内容中包含图片的部分 if($struckture->parts[$key]->parts) { foreach($struckture->parts[$key]->parts as $keyb => $valueb) { $enc=$struckture->parts[$key]->parts[$keyb]->encoding; if($struckture->parts[$key]->parts[$keyb]->ifdparameters) { //命名图片 $name=$this->decode_mime($struckture->parts[$key]->parts[$keyb]->dparameters[0]->value); $extend =explode("." , $name); $file['extension'] = $extend[count($extend)-1]; $file['pathname'] = $this->setPathName($key, $file['extension']); $file['title'] = !empty($name) ? htmlspecialchars($name) : str_replace('.' . $file['extension'], '', $name); $file['size'] = $struckture->parts[$key]->parts[$keyb]->dparameters[1]->value; // $file['tmpname'] = $struckture->parts[$key]->dparameters[0]->value; $file['type'] = 0; $files[] = $file; $partnro = ($key+1).".".($keyb+1); $message = imap_fetchbody($this->marubox,$mid,$partnro); if ($enc == 0) $message = imap_8bit($message); if ($enc == 1) $message = imap_8bit ($message); if ($enc == 2) $message = imap_binary ($message); if ($enc == 3) $message = imap_base64 ($message); if ($enc == 4) $message = quoted_printable_decode($message); if ($enc == 5) $message = $message; $fp=fopen($path.$file['pathname'],"w"); fwrite($fp,$message); fclose($fp); } } } } } //move mail to taskMailBox $this->move_mails($mid, $this->marubox); return $files; } function getBody($mid,&$path,$imageList) // Get Message Body { if(!$this->marubox) return false; $body = $this->get_part($this->marubox, $mid, "TEXT/HTML"); if ($body == "") $body = $this->get_part($this->marubox, $mid, "TEXT/PLAIN"); if ($body == "") { return ""; } //处理图片 $body=$this->embed_images($body,$path,$imageList); return $body; } function embed_images(&$body,&$path,$imageList) { // get all img tags preg_match_all('/<img.*?>/', $body, $matches); if (!isset($matches[0])) return; foreach ($matches[0] as $img) { // replace image web path with local path preg_match('/src="(.*?)"/', $img, $m); if (!isset($m[1])) continue; $arr = parse_url($m[1]); if (!isset($arr['scheme']) || !isset($arr['path']))continue; // if (!isset($arr['host']) || !isset($arr['path']))continue; if ($arr['scheme']!="localhost/test.cn/mailreceived/mailControl.php 即可

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