PHP读取、解析eml文件及生成网页的方法示例

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// Author: richard e42083458@163.com// gets parameterserror_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;}?>