这篇文章主要介绍了PHP读取、解析eml文件及生成网页的方法,结合实例形式分析了PHP操作eml文件的读取、解析、转换等相关实现技巧与注意事项,并附带demo源码供读者下载参考,需要的朋友可以参考下
本文实例讲述了PHP读取、解析eml文件及生成网页的方法。分享给大家供大家参考，具体如下：
php读取eml实例，本实例可以将导出eml文件解析成正文，并且可以将附件保存到服务器。不多说直接贴代码了。
<?php
error_reporting(E_ALL ^ (E_WARNING|E_NOTICE));
header("Content-type: text/html; charset=utf-8");
echo "<pre>";
define(EML_FILE_PATH,'./yjdata/');
//if ($filename == '') $filename = '21724696_niuyufu@qiaodazhao.com_ZC4422-r7GMz_R9QF3K6XUhmJOXd4c.eml';
//if ($filename == '') $filename = '21724696_niuyufu@qiaodazhao.com_ZC3218-dGquMgm7ytdF6HQgpSReC4c.eml';
//if ($filename == '') $filename = '163.eml';
//if ($filename == '') $filename = '166.eml';
//if ($filename == '') $filename = 'nyf.eml';
//if ($filename == '') $filename = 'email_header_icon.eml';
if ($filename == '') $filename = '20141230133705.eml';
$eml_file = EML_FILE_PATH.$filename;
if (!($content = fread(fopen(EML_FILE_PATH.$filename, 'rb'), filesize(EML_FILE_PATH.$filename))))
die('File not found ('.EML_FILE_PATH.$filename.')');
//标题内容
$pattern="/Subject: (.*?)\n/ims";
preg_match($pattern,$content,$subject_results);
$subject = getdecodevalue($subject_results[1]);
echo "标题：".$subject;
//发件人：
$pattern="/From: .*?<(.*?)>/ims";
preg_match($pattern,$content,$from_results);
$from = $from_results[1];
echo "\n\r";
echo "发件人：".$from;
//收件人：
$pattern="/To:(.*?):/ims";
preg_match($pattern,$content,$to_results);
$pattern="/<(.*?)>/ims";
preg_match_all($pattern,$to_results[1],$to_results2);
if(count($to_results2[1])>0){
$to = $to_results2[1];
}else{
$pattern="/To:(.*?)\n/ims";
preg_match($pattern,$content,$to_results);
$to = $to_results[1];
}
echo "\n\r";
echo "收件人：";
print_r($to);
echo "\n\r";
//正文内容
$pattern = "/Content-Type: multipart\/alternative;.*?boundary=\"(.*?)\"/ims";
preg_match($pattern,$content,$results);
if($results[1]!=""){
$seperator = "--".$results[1];
}else{
die("boundary匹配失败");
}
$spcontent = explode($seperator, $content);
$items = array();
$keyid = 0;
$email_front_content_array = array();
foreach($spcontent as $spkey=>$item) {
//匹配header编码等信息
$pattern = "/Content-Type: ([^;]*?);.*?charset=(.*?)\nContent-Transfer-Encoding: (.*?)\n/ims";
preg_match($pattern,$item,$item_results);
if(count($item_results)==4){
$Content_code = str_replace($item_results[0],"",$item);
$item_results[4] = $Content_code;
if(trim($item_results[3])=="base64"){
$item_results[5] = base64_decode($item_results[4]);
}
if(trim($item_results[3])=="quoted-printable"){
$item_results[5] = quoted_printable_decode($item_results[4]);
}
$item_results[5] = mb_convert_encoding($item_results[5], 'UTF-8', trim($item_results[2]));
//echo $item_results[5];exit;
$email_front_content_array[] = $item_results;
}
}
foreach ($email_front_content_array as $email_front_content_each_key=>$email_front_content_each_value){
if($email_front_content_each_value[1]=='text/html'){
$content_html = $email_front_content_each_value[5];
break;
}else{
$content_html = $email_front_content_each_value[5];
}
}
echo "内容：";
echo "\n\r";
echo $content_html;
echo "\n\r";
//附件内容
$pattern = "/Content-Type: multipart\/mixed;.*?boundary=\"(.*?)\"/ims";
preg_match($pattern,$content,$results);
if($results[1]!=""){
$seperator = "--".$results[1];
$spcontent = explode($seperator, $content);
$items = array();
$keyid = 0;
$email_attachment_content_array = array();
foreach($spcontent as $spkey=>$item) {
//匹配header编码等信息
$pattern = "/Content-Type: ([^;]*?);.*?name=(.*?)\nContent-Transfer-Encoding: (.*?)\nContent-Disposition: attachment;.*?filename=(.*?)\n/ims";
preg_match($pattern,$item,$item_results);
//print_r($item_results);
if(count($item_results)==5){
$Content_code = str_replace($item_results[0],"",$item);
$item_results[5] = trim($Content_code);
if(trim($item_results[3])=="base64"){
$item_results[6] = base64_decode($item_results[5]);
}
if(trim($item_results[3])=="quoted-printable"){
$item_results[6] = quoted_printable_decode($item_results[5]);
}
$item_results[7] = str_replace("\"","",getdecodevalue($item_results[2]));
$item_results[8] = str_replace("\"","",getdecodevalue($item_results[4]));
//保存附件内容到服务器？
//符合规范的文件名时：有后缀名时。
if(strrpos($item_results[8], '.')!==false){
$ext = substr($item_results[8], strrpos($item_results[8], '.') + 1);
//$filename = "./yjdata/attachment/".date("YmdHis").mt_rand(10000,99999).".".trim($ext);
$attachment_filename = "./yjdata/attachment/".trim(str_replace("\"","",getbase64code($item_results[4]))).".".trim($ext);
mkdirs(dirname($attachment_filename));
$fp = fopen($attachment_filename, "w+");
if (flock($fp, LOCK_EX)) { // 进行排它型锁定
fwrite($fp, $item_results[6]);
flock($fp, LOCK_UN); // 释放锁定
} else {
//echo "Couldn't lock the file !";
}
fclose($fp);
$item_results[9] = $attachment_filename;
$email_attachment_content_array[] = $item_results;
}
}
}
//print_r($email_attachment_content_array);
}
if(count($email_attachment_content_array)>0){
echo "附件：";
echo "\n\r";
//附件读取
foreach($email_attachment_content_array as $email_attachment_content_each_key=>$email_attachment_content_each_value){
unset($email_attachment_content_each_value[5]);
unset($email_attachment_content_each_value[6]);
print_r($email_attachment_content_each_value[8]);
print_r($email_attachment_content_each_value[9]);
}
}
function getbase64code($content){
$pattern="/=\?GB2312\?B\?(.*?)\?=|=\?GBK\?B\?(.*?)\?=|=\?UTF-8\?B\?(.*?)\?=/ims";
preg_match($pattern,$content,$subject_results);
if($subject_results[1]!=""){
$subject = $subject_results[1];
$charset = "GB2312";
}
elseif($subject_results[2]!=""){
$subject = $subject_results[2];
$charset = "GBK";
}
elseif($subject_results[3]!=""){
$subject = $subject_results[3];
$charset = "UTF-8";
}else{
$subject = $content;
$charset = "";
}
return $subject;
}
function getdecodevalue($content){
$pattern="/=\?GB2312\?B\?(.*?)\?=|=\?GBK\?B\?(.*?)\?=|=\?UTF-8\?B\?(.*?)\?=/ims";
preg_match($pattern,$content,$subject_results);
if($subject_results[1]!=""){
$subject = base64_decode($subject_results[1]);
$charset = "GB2312";
}
elseif($subject_results[2]!=""){
$subject = base64_decode($subject_results[2]);
$charset = "GBK";
}
elseif($subject_results[3]!=""){
$subject = base64_decode($subject_results[3]);
$charset = "UTF-8";
}else{
$subject = $content;
$charset = "";
}
if($charset!=""){
$subject = mb_convert_encoding($subject, 'UTF-8', $charset);
}
return $subject;
}
function mkdirs($dir)
{
if(!is_dir($dir))
{
if(!mkdirs(dirname($dir))){
return false;
}
if(!mkdir($dir,0777)){
return false;
}
}
chmod($dir, 777); //给目录操作权限
return true;
}
?>
