<?php  
  ////////////////////////////////////////////////////  
  // SMTP - PHP SMTP class  
  //  
  // Version 1.02  
  //  
  // Define an SMTP class that can be used to connect  
  // and communicate with any SMTP server. It implements  
  // all the SMTP functions defined in RFC821 except TURN.  
  //  
  // Author: Chris Ryan  
  //  
  // License: LGPL, see LICENSE  
  ////////////////////////////////////////////////////  
   
  /**  
   * SMTP is rfc 821 compliant and implements all the rfc 821 SMTP  
   * commands except TURN which will always return a not implemented  
   * error. SMTP also provides some utility methods for sending mail  
   * to an SMTP server.  
   * @package PHPMailer  
   * @author Chris Ryan  
   */  
  class SMTP  
  {  
      /**  
       *  SMTP server port  
       *  @var int  
       */  
      var $SMTP_PORT = 25;  
        
      /**  
       *  SMTP reply line ending  
       *  @var string  
       */  
      var $CRLF = "\r\n";  
        
      /**  
       *  Sets whether debugging is turned on  
       *  @var bool  
       */  
      var $do_debug;       # the level of debug to perform  
   
      /**#@+  
       * @access private  
       */  
      var $smtp_conn;      # the socket to the server  
      var $error;          # error if any on the last call  
      var $helo_rply;      # the reply the server sent to us for HELO  
      /**#@-*/  
   
      /**  
       * Initialize the class so that the data is in a known state.  
       * @access public  
       * @return void  
       */  
      function SMTP() {  
          $this->smtp_conn = 0;  
          $this->error = null;  
          $this->helo_rply = null;  
   
          $this->do_debug = 0;  
      }  
   
      /*************************************************************  
       *                    CONNECTION FUNCTIONS                  *  
       ***********************************************************/  
   
      /**  
       * Connect to the server specified on the port specified.  
       * If the port is not specified use the default SMTP_PORT.  
       * If tval is specified then a connection will try and be  
       * established with the server for that number of seconds.  
       * If tval is not specified the default is 30 seconds to  
       * try on the connection.  
       *  
       * SMTP CODE SUCCESS: 220  
       * SMTP CODE FAILURE: 421  
       * @access public  
       * @return bool  
       */  
      function Connect($host,$port=0,$tval=30) {  
          # set the error val to null so there is no confusion  
          $this->error = null;  
   
          # make sure we are __not__ connected  
          if($this->connected()) {  
              # ok we are connected! what should we do?  
              # for now we will just give an error saying we  
              # are already connected  
              $this->error =  
                  array("error" => "Already connected to a server");  
              return false;  
          }  
   
          if(empty($port)) {  
              $port = $this->SMTP_PORT;  
          }  
   
          #connect to the smtp server  
          $this->smtp_conn = fsockopen($host,    # the host of the server  
                                       $port,    # the port to use  
                                       $errno,   # error number if any  
                                       $errstr,  # error message if any  
                                       $tval);   # give up after ? secs  
          # verify we connected properly  
          if(empty($this->smtp_conn)) {  
              $this->error = array("error" => "Failed to connect to server",  
                                   "errno" => $errno,  
                                   "errstr" => $errstr);  
              if($this->do_debug >= 1) {  
                  echo "SMTP -> ERROR: " . $this->error["error"] .  
                           ": $errstr ($errno)" . $this->CRLF;  
              }  
              return false;  
          }  
   
          # sometimes the SMTP server takes a little longer to respond  
          # so we will give it a longer timeout for the first read  
          // Windows still does not have support for this timeout function  
          if(substr(PHP_OS, 0, 3) != "WIN")  
             socket_set_timeout($this->smtp_conn, $tval, 0);  
   
          # get any announcement stuff  
          $announce = $this->get_lines();  
   
          # set the timeout  of any socket functions at 1/10 of a second  
          //if(function_exists("socket_set_timeout"))  
          //   socket_set_timeout($this->smtp_conn, 0, 100000);  
   
          if($this->do_debug >= 2) {  
              echo "SMTP -> FROM SERVER:" . $this->CRLF . $announce;  
          }  
   
          return true;  
      }  
   
      /**  
       * Performs SMTP authentication.  Must be run after running the  
       * Hello() method.  Returns true if successfully authenticated.  
       * @access public  
       * @return bool  
       */  
      function Authenticate($username, $password) {  
          // Start authentication  
          fputs($this->smtp_conn,"AUTH LOGIN" . $this->CRLF);  
   
          $rply = $this->get_lines();  
          $code = substr($rply,0,3);  
   
          if($code != 334) {  
              $this->error =  
                  array("error" => "AUTH not accepted from server",  
                        "smtp_code" => $code,  
                        "smtp_msg" => substr($rply,4));  
              if($this->do_debug >= 1) {  
                  echo "SMTP -> ERROR: " . $this->error["error"] .  
                           ": " . $rply . $this->CRLF;  
              }  
              return false;  
          }  
   
          // Send encoded username  
          fputs($this->smtp_conn, base64_encode($username) . $this->CRLF);  
   
          $rply = $this->get_lines();  
          $code = substr($rply,0,3);  
   
          if($code != 334) {  
              $this->error =  
                  array("error" => "Username not accepted from server",  
                        "smtp_code" => $code,  
                        "smtp_msg" => substr($rply,4));  
              if($this->do_debug >= 1) {  
                  echo "SMTP -> ERROR: " . $this->error["error"] .  
                           ": " . $rply . $this->CRLF;  
              }  
              return false;  
          }  
   
          // Send encoded password  
          fputs($this->smtp_conn, base64_encode($password) . $this->CRLF);  
   
          $rply = $this->get_lines();  
          $code = substr($rply,0,3);  
   
          if($code != 235) {  
              $this->error =  
                  array("error" => "Password not accepted from server",  
                        "smtp_code" => $code,  
                        "smtp_msg" => substr($rply,4));  
              if($this->do_debug >= 1) {  
                  echo "SMTP -> ERROR: " . $this->error["error"] .  
                           ": " . $rply . $this->CRLF;  
              }  
              return false;  
          }  
   
          return true;  
      }  
   
      /**  
       * Returns true if connected to a server otherwise false  
       * @access private  
       * @return bool  
       */  
      function Connected() {  
          if(!empty($this->smtp_conn)) {  
              $sock_status = socket_get_status($this->smtp_conn);  
              if($sock_status["eof"]) {  
                  # hmm this is an odd situation... the socket is  
                  # valid but we aren't connected anymore  
                  if($this->do_debug >= 1) {  
                      echo "SMTP -> NOTICE:" . $this->CRLF .  
                           "EOF caught while checking if connected";  
                  }  
                  $this->Close();  
                  return false;  
              }  
              return true; # everything looks good  
          }  
          return false;  
      }  
   
      /**  
       * Closes the socket and cleans up the state of the class.  
       * It is not considered good to use this function without  
       * first trying to use QUIT.  
       * @access public  
       * @return void  
       */  
      function Close() {  
          $this->error = null; # so there is no confusion  
          $this->helo_rply = null;  
          if(!empty($this->smtp_conn)) {  
              # close the connection and cleanup  
              fclose($this->smtp_conn);  
              $this->smtp_conn = 0;  
          }  
      }  
   
   
      /***************************************************************  
       *                        SMTP COMMANDS                       *  
       *************************************************************/  
   
      /**  
       * Issues a data command and sends the msg_data to the server  
       * finializing the mail transaction. $msg_data is the message  
       * that is to be send with the headers. Each header needs to be  
       * on a single line followed by a <CRLF> with the message headers  
       * and the message body being seperated by and additional <CRLF>.  
       *  
       * Implements rfc 821: DATA <CRLF>  
       *  
       * SMTP CODE INTERMEDIATE: 354  
       *     [data]  
       *     <CRLF>.<CRLF>  
       *     SMTP CODE SUCCESS: 250  
       *     SMTP CODE FAILURE: 552,554,451,452  
       * SMTP CODE FAILURE: 451,554  
       * SMTP CODE ERROR  : 500,501,503,421  
       * @access public  
       * @return bool  
       */  
      function Data($msg_data) {  
          $this->error = null; # so no confusion is caused  
   
          if(!$this->connected()) {  
              $this->error = array(  
                      "error" => "Called Data() without being connected");  
              return false;  
          }  
   
          fputs($this->smtp_conn,"DATA" . $this->CRLF);  
   
          $rply = $this->get_lines();  
          $code = substr($rply,0,3);  
   
          if($this->do_debug >= 2) {  
              echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;  
          }  
   
          if($code != 354) {  
              $this->error =  
                  array("error" => "DATA command not accepted from server",  
                        "smtp_code" => $code,  
                        "smtp_msg" => substr($rply,4));  
              if($this->do_debug >= 1) {  
                  echo "SMTP -> ERROR: " . $this->error["error"] .  
                           ": " . $rply . $this->CRLF;  
              }  
              return false;  
          }  
   
          # the server is ready to accept data!  
          # according to rfc 821 we should not send more than 1000  
          # including the CRLF  
          # characters on a single line so we will break the data up  
          # into lines by \r and/or \n then if needed we will break  
          # each of those into smaller lines to fit within the limit.  
          # in addition we will be looking for lines that start with  
          # a period '.' and append and additional period '.' to that  
          # line. NOTE: this does not count towards are limit.  
   
          # normalize the line breaks so we know the explode works  
          $msg_data = str_replace("\r\n","\n",$msg_data);  
          $msg_data = str_replace("\r","\n",$msg_data);  
          $lines = explode("\n",$msg_data);  
   
          # we need to find a good way to determine is headers are  
          # in the msg_data or if it is a straight msg body  
          # currently I'm assuming rfc 822 definitions of msg headers  
          # and if the first field of the first line (':' sperated)  
          # does not contain a space then it _should_ be a header  
          # and we can process all lines before a blank "" line as  
          # headers.  
          $field = substr($lines[0],0,strpos($lines[0],":"));  
          $in_headers = false;  
          if(!empty($field) && !strstr($field," ")) {  
              $in_headers = true;  
          }  
   
          $max_line_length = 998; # used below; set here for ease in change  
   
          while(list(,$line) = @each($lines)) {  
              $lines_out = null;  
              if($line == "" && $in_headers) {  
                  $in_headers = false;  
              }  
              # ok we need to break this line up into several  
              # smaller lines  
              while(strlen($line) > $max_line_length) {  
                  $pos = strrpos(substr($line,0,$max_line_length)," ");  
                  $lines_out[] = substr($line,0,$pos);  
                  $line = substr($line,$pos + 1);  
                  # if we are processing headers we need to  
                  # add a LWSP-char to the front of the new line  
                  # rfc 822 on long msg headers  
                  if($in_headers) {  
                      $line = "\t" . $line;  
                  }  
              }  
              $lines_out[] = $line;  
   
              # now send the lines to the server  
              while(list(,$line_out) = @each($lines_out)) {  
                  if(strlen($line_out) > 0)  
                  {  
                      if(substr($line_out, 0, 1) == ".") {  
                          $line_out = "." . $line_out;  
                      }  
                  }  
                  fputs($this->smtp_conn,$line_out . $this->CRLF);  
              }  
          }  
   
          # ok all the message data has been sent so lets get this  
          # over with aleady  
          fputs($this->smtp_conn, $this->CRLF . "." . $this->CRLF);  
   
          $rply = $this->get_lines();  
          $code = substr($rply,0,3);  
   
          if($this->do_debug >= 2) {  
              echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;  
          }  
   
          if($code != 250) {  
              $this->error =  
                  array("error" => "DATA not accepted from server",  
                        "smtp_code" => $code,  
                        "smtp_msg" => substr($rply,4));  
              if($this->do_debug >= 1) {  
                  echo "SMTP -> ERROR: " . $this->error["error"] .  
                           ": " . $rply . $this->CRLF;  
              }  
              return false;  
          }  
          return true;  
      }  
   
      /**  
       * Expand takes the name and asks the server to list all the  
       * people who are members of the _list_. Expand will return  
       * back and array of the result or false if an error occurs.  
       * Each value in the array returned has the format of:  
       *     [ <full-name> <sp> ] <path>  
       * The definition of <path> is defined in rfc 821  
       *  
       * Implements rfc 821: EXPN <SP> <string> <CRLF>  
       *  
       * SMTP CODE SUCCESS: 250  
       * SMTP CODE FAILURE: 550  
       * SMTP CODE ERROR  : 500,501,502,504,421  
       * @access public  
       * @return string array  
       */  
      function Expand($name) {  
          $this->error = null; # so no confusion is caused  
   
          if(!$this->connected()) {  
              $this->error = array(  
                      "error" => "Called Expand() without being connected");  
              return false;  
          }  
   
          fputs($this->smtp_conn,"EXPN " . $name . $this->CRLF);  
   
          $rply = $this->get_lines();  
          $code = substr($rply,0,3);  
   
          if($this->do_debug >= 2) {  
              echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;  
          }  
   
          if($code != 250) {  
              $this->error =  
                  array("error" => "EXPN not accepted from server",  
                        "smtp_code" => $code,  
                        "smtp_msg" => substr($rply,4));  
              if($this->do_debug >= 1) {  
                  echo "SMTP -> ERROR: " . $this->error["error"] .  
                           ": " . $rply . $this->CRLF;  
              }  
              return false;  
          }  
   
          # parse the reply and place in our array to return to user  
          $entries = explode($this->CRLF,$rply);  
          while(list(,$l) = @each($entries)) {  
              $list[] = substr($l,4);  
          }  
   
          return $list;  
      }  
   
      /**  
       * Sends the HELO command to the smtp server.  
       * This makes sure that we and the server are in  
       * the same known state.  
       *  
       * Implements from rfc 821: HELO <SP> <domain> <CRLF>  
       *  
       * SMTP CODE SUCCESS: 250  
       * SMTP CODE ERROR  : 500, 501, 504, 421  
       * @access public  
       * @return bool  
       */  
      function Hello($host="") {  
          $this->error = null; # so no confusion is caused  
   
          if(!$this->connected()) {  
              $this->error = array(  
                      "error" => "Called Hello() without being connected");  
              return false;  
          }  
   
          # if a hostname for the HELO wasn't specified determine  
          # a suitable one to send  
          if(empty($host)) {  
              # we need to determine some sort of appopiate default  
              # to send to the server  
              $host = "localhost";  
          }  
   
          // Send extended hello first (RFC 2821)  
          if(!$this->SendHello("EHLO", $host))  
          {  
              if(!$this->SendHello("HELO", $host))  
                  return false;  
          }  
   
          return true;  
      }  
   
      /**  
       * Sends a HELO/EHLO command.  
       * @access private  
       * @return bool  
       */  
      function SendHello($hello, $host) {  
          fputs($this->smtp_conn, $hello . " " . $host . $this->CRLF);  
   
          $rply = $this->get_lines();  
          $code = substr($rply,0,3);  
   
          if($this->do_debug >= 2) {  
              echo "SMTP -> FROM SERVER: " . $this->CRLF . $rply;  
          }  
   
          if($code != 250) {  
              $this->error =  
                  array("error" => $hello . " not accepted from server",  
                        "smtp_code" => $code,  
                        "smtp_msg" => substr($rply,4));  
              if($this->do_debug >= 1) {  
                  echo "SMTP -> ERROR: " . $this->error["error"] .  
                           ": " . $rply . $this->CRLF;  
              }  
              return false;  
          }  
   
          $this->helo_rply = $rply;  
            
          return true;  
      }  
   
      /**  
       * Gets help information on the keyword specified. If the keyword  
       * is not specified then returns generic help, ussually contianing  
       * A list of keywords that help is available on. This function  
       * returns the results back to the user. It is up to the user to  
       * handle the returned data. If an error occurs then false is  
       * returned with $this->error set appropiately.  
       *  
       * Implements rfc 821: HELP [ <SP> <string> ] <CRLF>  
       *  
       * SMTP CODE SUCCESS: 211,214  
       * SMTP CODE ERROR  : 500,501,502,504,421  
       * @access public  
       * @return string  
       */  
      function Help($keyword="") {  
          $this->error = null; # to avoid confusion  
   
          if(!$this->connected()) {  
              $this->error = array(  
                      "error" => "Called Help() without being connected");  
              return false;  
          }  
   
          $extra = "";  
          if(!empty($keyword)) {  
              $extra = " " . $keyword;  
          }  
   
          fputs($this->smtp_conn,"HELP" . $extra . $this->CRLF);  
   
          $rply = $this->get_lines();  
          $code = substr($rply,0,3);  
   
          if($this->do_debug >= 2) {  
              echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;  
          }  
   
          if($code != 211 && $code != 214) {  
              $this->error =  
                  array("error" => "HELP not accepted from server",  
                        "smtp_code" => $code,  
                        "smtp_msg" => substr($rply,4));  
              if($this->do_debug >= 1) {  
                  echo "SMTP -> ERROR: " . $this->error["error"] .  
                           ": " . $rply . $this->CRLF;  
              }  
              return false;  
          }  
   
          return $rply;  
      }  
   
      /**  
       * Starts a mail transaction from the email address specified in  
       * $from. Returns true if successful or false otherwise. If True  
       * the mail transaction is started and then one or more Recipient  
       * commands may be called followed by a Data command.  
       *  
       * Implements rfc 821: MAIL <SP> FROM:<reverse-path> <CRLF>  
       *  
       * SMTP CODE SUCCESS: 250  
       * SMTP CODE SUCCESS: 552,451,452  
       * SMTP CODE SUCCESS: 500,501,421  
       * @access public  
       * @return bool  
       */  
      function Mail($from) {  
          $this->error = null; # so no confusion is caused  
   
          if(!$this->connected()) {  
              $this->error = array(  
                      "error" => "Called Mail() without being connected");  
              return false;  
          }  
   
          fputs($this->smtp_conn,"MAIL FROM:<" . $from . ">" . $this->CRLF);  
   
          $rply = $this->get_lines();  
          $code = substr($rply,0,3);  
   
          if($this->do_debug >= 2) {  
              echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;  
          }  
   
          if($code != 250) {  
              $this->error =  
                  array("error" => "MAIL not accepted from server",  
                        "smtp_code" => $code,  
                        "smtp_msg" => substr($rply,4));  
              if($this->do_debug >= 1) {  
                  echo "SMTP -> ERROR: " . $this->error["error"] .  
                           ": " . $rply . $this->CRLF;  
              }  
              return false;  
          }  
          return true;  
      }  
   
      /**  
       * Sends the command NOOP to the SMTP server.  
       *  
       * Implements from rfc 821: NOOP <CRLF>  
       *  
       * SMTP CODE SUCCESS: 250  
       * SMTP CODE ERROR  : 500, 421  
       * @access public  
       * @return bool  
       */  
      function Noop() {  
          $this->error = null; # so no confusion is caused  
   
          if(!$this->connected()) {  
              $this->error = array(  
                      "error" => "Called Noop() without being connected");  
              return false;  
          }  
   
          fputs($this->smtp_conn,"NOOP" . $this->CRLF);  
   
          $rply = $this->get_lines();  
          $code = substr($rply,0,3);  
   
          if($this->do_debug >= 2) {  
              echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;  
          }  
   
          if($code != 250) {  
              $this->error =  
                  array("error" => "NOOP not accepted from server",  
                        "smtp_code" => $code,  
                        "smtp_msg" => substr($rply,4));  
              if($this->do_debug >= 1) {  
                  echo "SMTP -> ERROR: " . $this->error["error"] .  
                           ": " . $rply . $this->CRLF;  
              }  
              return false;  
          }  
          return true;  
      }  
   
      /**  
       * Sends the quit command to the server and then closes the socket  
       * if there is no error or the $close_on_error argument is true.  
       *  
       * Implements from rfc 821: QUIT <CRLF>  
       *  
       * SMTP CODE SUCCESS: 221  
       * SMTP CODE ERROR  : 500  
       * @access public  
       * @return bool  
       */  
      function Quit($close_on_error=true) {  
          $this->error = null; # so there is no confusion  
   
          if(!$this->connected()) {  
              $this->error = array(  
                      "error" => "Called Quit() without being connected");  
              return false;  
          }  
   
          # send the quit command to the server  
          fputs($this->smtp_conn,"quit" . $this->CRLF);  
   
          # get any good-bye messages  
          $byemsg = $this->get_lines();  
   
          if($this->do_debug >= 2) {  
              echo "SMTP -> FROM SERVER:" . $this->CRLF . $byemsg;  
          }  
   
          $rval = true;  
          $e = null;  
   
          $code = substr($byemsg,0,3);  
          if($code != 221) {  
              # use e as a tmp var cause Close will overwrite $this->error  
              $e = array("error" => "SMTP server rejected quit command",  
                         "smtp_code" => $code,  
                         "smtp_rply" => substr($byemsg,4));  
              $rval = false;  
              if($this->do_debug >= 1) {  
                  echo "SMTP -> ERROR: " . $e["error"] . ": " .  
                           $byemsg . $this->CRLF;  
              }  
          }  
   
          if(empty($e) || $close_on_error) {  
              $this->Close();  
          }  
   
          return $rval;  
      }  
   
      /**  
       * Sends the command RCPT to the SMTP server with the TO: argument of $to.  
       * Returns true if the recipient was accepted false if it was rejected.  
       *  
       * Implements from rfc 821: RCPT <SP> TO:<forward-path> <CRLF>  
       *  
       * SMTP CODE SUCCESS: 250,251  
       * SMTP CODE FAILURE: 550,551,552,553,450,451,452  
       * SMTP CODE ERROR  : 500,501,503,421  
       * @access public  
       * @return bool  
       */  
      function Recipient($to) {  
          $this->error = null; # so no confusion is caused  
   
          if(!$this->connected()) {  
              $this->error = array(  
                      "error" => "Called Recipient() without being connected");  
              return false;  
          }  
   
          fputs($this->smtp_conn,"RCPT TO:<" . $to . ">" . $this->CRLF);  
   
          $rply = $this->get_lines();  
          $code = substr($rply,0,3);  
   
          if($this->do_debug >= 2) {  
              echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;  
          }  
   
          if($code != 250 && $code != 251) {  
              $this->error =  
                  array("error" => "RCPT not accepted from server",  
                        "smtp_code" => $code,  
                        "smtp_msg" => substr($rply,4));  
              if($this->do_debug >= 1) {  
                  echo "SMTP -> ERROR: " . $this->error["error"] .  
                           ": " . $rply . $this->CRLF;  
              }  
              return false;  
          }  
          return true;  
      }  
   
      /**  
       * Sends the RSET command to abort and transaction that is  
       * currently in progress. Returns true if successful false  
       * otherwise.  
       *  
       * Implements rfc 821: RSET <CRLF>  
       *  
       * SMTP CODE SUCCESS: 250  
       * SMTP CODE ERROR  : 500,501,504,421  
       * @access public  
       * @return bool  
       */  
      function Reset() {  
          $this->error = null; # so no confusion is caused  
   
          if(!$this->connected()) {  
              $this->error = array(  
                      "error" => "Called Reset() without being connected");  
              return false;  
          }  
   
          fputs($this->smtp_conn,"RSET" . $this->CRLF);  
   
          $rply = $this->get_lines();  
          $code = substr($rply,0,3);  
   
          if($this->do_debug >= 2) {  
              echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;  
          }  
   
          if($code != 250) {  
              $this->error =  
                  array("error" => "RSET failed",  
                        "smtp_code" => $code,  
                        "smtp_msg" => substr($rply,4));  
              if($this->do_debug >= 1) {  
                  echo "SMTP -> ERROR: " . $this->error["error"] .  
                           ": " . $rply . $this->CRLF;  
              }  
              return false;  
          }  
   
          return true;  
      }  
   
      /**  
       * Starts a mail transaction from the email address specified in  
       * $from. Returns true if successful or false otherwise. If True  
       * the mail transaction is started and then one or more Recipient  
       * commands may be called followed by a Data command. This command  
       * will send the message to the users terminal if they are logged  
       * in.  
       *  
       * Implements rfc 821: SEND <SP> FROM:<reverse-path> <CRLF>  
       *  
       * SMTP CODE SUCCESS: 250  
       * SMTP CODE SUCCESS: 552,451,452  
       * SMTP CODE SUCCESS: 500,501,502,421  
       * @access public  
       * @return bool  
       */  
      function Send($from) {  
          $this->error = null; # so no confusion is caused  
   
          if(!$this->connected()) {  
              $this->error = array(  
                      "error" => "Called Send() without being connected");  
              return false;  
          }  
   
          fputs($this->smtp_conn,"SEND FROM:" . $from . $this->CRLF);  
   
          $rply = $this->get_lines();  
          $code = substr($rply,0,3);  
   
          if($this->do_debug >= 2) {  
              echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;  
          }  
   
          if($code != 250) {  
              $this->error =  
                  array("error" => "SEND not accepted from server",  
                        "smtp_code" => $code,  
                        "smtp_msg" => substr($rply,4));  
              if($this->do_debug >= 1) {  
                  echo "SMTP -> ERROR: " . $this->error["error"] .  
                           ": " . $rply . $this->CRLF;  
              }  
              return false;  
          }  
          return true;  
      }  
   
      /**  
       * Starts a mail transaction from the email address specified in  
       * $from. Returns true if successful or false otherwise. If True  
       * the mail transaction is started and then one or more Recipient  
       * commands may be called followed by a Data command. This command  
       * will send the message to the users terminal if they are logged  
       * in and send them an email.  
       *  
       * Implements rfc 821: SAML <SP> FROM:<reverse-path> <CRLF>  
       *  
       * SMTP CODE SUCCESS: 250  
       * SMTP CODE SUCCESS: 552,451,452  
       * SMTP CODE SUCCESS: 500,501,502,421  
       * @access public  
       * @return bool  
       */  
      function SendAndMail($from) {  
          $this->error = null; # so no confusion is caused  
   
          if(!$this->connected()) {  
              $this->error = array(  
                  "error" => "Called SendAndMail() without being connected");  
              return false;  
          }  
   
          fputs($this->smtp_conn,"SAML FROM:" . $from . $this->CRLF);  
   
          $rply = $this->get_lines();  
          $code = substr($rply,0,3);  
   
          if($this->do_debug >= 2) {  
              echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;  
          }  
   
          if($code != 250) {  
              $this->error =  
                  array("error" => "SAML not accepted from server",  
                        "smtp_code" => $code,  
                        "smtp_msg" => substr($rply,4));  
              if($this->do_debug >= 1) {  
                  echo "SMTP -> ERROR: " . $this->error["error"] .  
                           ": " . $rply . $this->CRLF;  
              }  
              return false;  
          }  
          return true;  
      }  
   
      /**  
       * Starts a mail transaction from the email address specified in  
       * $from. Returns true if successful or false otherwise. If True  
       * the mail transaction is started and then one or more Recipient  
       * commands may be called followed by a Data command. This command  
       * will send the message to the users terminal if they are logged  
       * in or mail it to them if they are not.  
       *  
       * Implements rfc 821: SOML <SP> FROM:<reverse-path> <CRLF>  
       *  
       * SMTP CODE SUCCESS: 250  
       * SMTP CODE SUCCESS: 552,451,452  
       * SMTP CODE SUCCESS: 500,501,502,421  
       * @access public  
       * @return bool  
       */  
      function SendOrMail($from) {  
          $this->error = null; # so no confusion is caused  
   
          if(!$this->connected()) {  
              $this->error = array(  
                  "error" => "Called SendOrMail() without being connected");  
              return false;  
          }  
   
          fputs($this->smtp_conn,"SOML FROM:" . $from . $this->CRLF);  
   
          $rply = $this->get_lines();  
          $code = substr($rply,0,3);  
   
          if($this->do_debug >= 2) {  
              echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;  
          }  
   
          if($code != 250) {  
              $this->error =  
                  array("error" => "SOML not accepted from server",  
                        "smtp_code" => $code,  
                        "smtp_msg" => substr($rply,4));  
              if($this->do_debug >= 1) {  
                  echo "SMTP -> ERROR: " . $this->error["error"] .  
                           ": " . $rply . $this->CRLF;  
              }  
              return false;  
          }  
          return true;  
      }  
   
      /**  
       * This is an optional command for SMTP that this class does not  
       * support. This method is here to make the RFC821 Definition  
       * complete for this class and __may__ be implimented in the future  
       *  
       * Implements from rfc 821: TURN <CRLF>  
       *  
       * SMTP CODE SUCCESS: 250  
       * SMTP CODE FAILURE: 502  
       * SMTP CODE ERROR  : 500, 503  
       * @access public  
       * @return bool  
       */  
      function Turn() {  
          $this->error = array("error" => "This method, TURN, of the SMTP ".  
                                          "is not implemented");  
          if($this->do_debug >= 1) {  
              echo "SMTP -> NOTICE: " . $this->error["error"] . $this->CRLF;  
          }  
          return false;  
      }  
   
      /**  
       * Verifies that the name is recognized by the server.  
       * Returns false if the name could not be verified otherwise  
       * the response from the server is returned.  
       *  
       * Implements rfc 821: VRFY <SP> <string> <CRLF>  
       *  
       * SMTP CODE SUCCESS: 250,251  
       * SMTP CODE FAILURE: 550,551,553  
       * SMTP CODE ERROR  : 500,501,502,421  
       * @access public  
       * @return int  
       */  
      function Verify($name) {  
          $this->error = null; # so no confusion is caused  
   
          if(!$this->connected()) {  
              $this->error = array(  
                      "error" => "Called Verify() without being connected");  
              return false;  
          }  
   
          fputs($this->smtp_conn,"VRFY " . $name . $this->CRLF);  
   
          $rply = $this->get_lines();  
          $code = substr($rply,0,3);  
   
          if($this->do_debug >= 2) {  
              echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;  
          }  
   
          if($code != 250 && $code != 251) {  
              $this->error =  
                  array("error" => "VRFY failed on name '$name'",  
                        "smtp_code" => $code,  
                        "smtp_msg" => substr($rply,4));  
              if($this->do_debug >= 1) {  
                  echo "SMTP -> ERROR: " . $this->error["error"] .  
                           ": " . $rply . $this->CRLF;  
              }  
              return false;  
          }  
          return $rply;  
      }  
   
      /*******************************************************************  
       *                       INTERNAL FUNCTIONS                       *  
       ******************************************************************/  
   
      /**  
       * Read in as many lines as possible  
       * either before eof or socket timeout occurs on the operation.  
       * With SMTP we can tell if we have more lines to read if the  
       * 4th character is '-' symbol. If it is a space then we don't  
       * need to read anything else.  
       * @access private  
       * @return string  
       */  
      function get_lines() {  
          $data = "";  
          while($str = fgets($this->smtp_conn,515)) {  
              if($this->do_debug >= 4) {  
                  echo "SMTP -> get_lines(): \$data was \"$data\"" .  
                           $this->CRLF;  
                  echo "SMTP -> get_lines(): \$str is \"$str\"" .  
                           $this->CRLF;  
              }  
              $data .= $str;  
              if($this->do_debug >= 4) {  
                  echo "SMTP -> get_lines(): \$data is \"$data\"" . $this->CRLF;  
              }  
              # if the 4th character is a space then we are done reading  
              # so just break the loop  
              if(substr($str,3,1) == " ") { break; }  
          }  
          return $data;  
      }  
   
  }  
   
   
   ?>

<?php  
  ////////////////////////////////////////////////////  
  // PHPMailer - PHP email class  
  //  
  // Class for sending email using either  
  // sendmail, PHP mail(), or SMTP.  Methods are  
  // based upon the standard AspEmail(tm) classes.  
  //  
  // Copyright (C) 2001 - 2003  Brent R. Matzelle  
  //  
  // License: LGPL, see LICENSE  
  ////////////////////////////////////////////////////  
   
  /**  
   * PHPMailer - PHP email transport class  
   * @package PHPMailer  
   * @author Brent R. Matzelle  
   * @copyright 2001 - 2003 Brent R. Matzelle  
   */  
  class PHPMailer  
  {  
      /////////////////////////////////////////////////  
      // PUBLIC VARIABLES  
      /////////////////////////////////////////////////  
   
      /**  
       * Email priority (1 = High, 3 = Normal, 5 = low).  
       * @var int  
       */  
      var $Priority          = 3;  
   
      /**  
       * Sets the CharSet of the message.  
       * @var string  
       */  
      var $CharSet           = "iso-8859-9";  
   
      /**  
       * Sets the Content-type of the message.  
       * @var string  
       */  
      var $ContentType        = "text/plain";  
   
      /**  
       * Sets the Encoding of the message. Options for this are "8bit",  
       * "7bit", "binary", "base64", and "quoted-printable".  
       * @var string  
       */  
      var $Encoding          = "8bit";  
   
      /**  
       * Holds the most recent mailer error message.  
       * @var string  
       */  
      var $ErrorInfo         = "";  
   
      /**  
       * Sets the From email address for the message.  
       * @var string  
       */  
      var $From               = "root@localhost";  
   
      /**  
       * Sets the From name of the message.  
       * @var string  
       */  
      var $FromName           = "";  
   
      /**  
       * Sets the Sender email (Return-Path) of the message.  If not empty,  
       * will be sent via -f to sendmail or as 'MAIL FROM' in smtp mode.  
       * @var string  
       */  
      var $Sender            = "";  
   
      /**  
       * Sets the Subject of the message.  
       * @var string  
       */  
      var $Subject           = "";  
   
      /**  
       * Sets the Body of the message.  This can be either an HTML or text body.  
       * If HTML then run IsHTML(true).  
       * @var string  
       */  
      var $Body               = "";  
   
      /**  
       * Sets the text-only body of the message.  This automatically sets the  
       * email to multipart/alternative.  This body can be read by mail  
       * clients that do not have HTML email capability such as mutt. Clients  
       * that can read HTML will view the normal Body.  
       * @var string  
       */  
      var $AltBody           = "";  
   
      /**  
       * Sets word wrapping on the body of the message to a given number of   
       * characters.  
       * @var int  
       */  
      var $WordWrap          = 0;  
   
      /**  
       * Method to send mail: ("mail", "sendmail", or "smtp").  
       * @var string  
       */  
      var $Mailer            = "mail";  
   
      /**  
       * Sets the path of the sendmail program.  
       * @var string  
       */  
      var $Sendmail          = "/var/qmail/bin/sendmail";  
        
      /**  
       * Path to PHPMailer plugins.  This is now only useful if the SMTP class   
       * is in a different directory than the PHP include path.    
       * @var string  
       */  
      var $PluginDir         = "";  
   
      /**  
       *  Holds PHPMailer version.  
       *  @var string  
       */  
      var $Version           = "1.72";  
   
      /**  
       * Sets the email address that a reading confirmation will be sent.  
       * @var string  
       */  
      var $ConfirmReadingTo  = "";  
   
      /**  
       *  Sets the hostname to use in Message-Id and Received headers  
       *  and as default HELO string. If empty, the value returned  
       *  by SERVER_NAME is used or 'localhost.localdomain'.  
       *  @var string  
       */  
      var $Hostname          = "";  
   
      /////////////////////////////////////////////////  
      // SMTP VARIABLES  
      /////////////////////////////////////////////////  
   
      /**  
       *  Sets the SMTP hosts.  All hosts must be separated by a  
       *  semicolon.  You can also specify a different port  
       *  for each host by using this format: [hostname:port]  
       *  (e.g. "smtp1.example.com:25;smtp2.example.com").  
       *  Hosts will be tried in order.  
       *  @var string  
       */  
      var $Host        = "localhost";  
   
      /**  
       *  Sets the default SMTP server port.  
       *  @var int  
       */  
      var $Port        = 26;  
   
      /**  
       *  Sets the SMTP HELO of the message (Default is $Hostname).  
       *  @var string  
       */  
      var $Helo        = "";  
   
      /**  
       *  Sets SMTP authentication. Utilizes the Username and Password variables.  
       *  @var bool  
       */  
      var $SMTPAuth     = true;  
   
      /**  
       *  Sets SMTP username.  
       *  @var string  
       */  
      var $Username     = "";  
   
      /**  
       *  Sets SMTP password.  
       *  @var string  
       */  
      var $Password     = "";  
   
      /**  
       *  Sets the SMTP server timeout in seconds. This function will not   
       *  work with the win32 version.  
       *  @var int  
       */  
      var $Timeout      = 10;  
   
      /**  
       *  Sets SMTP class debugging on or off.  
       *  @var bool  
       */  
      var $SMTPDebug    = false;  
   
      /**  
       * Prevents the SMTP connection from being closed after each mail   
       * sending.  If this is set to true then to close the connection   
       * requires an explicit call to SmtpClose().   
       * @var bool  
       */  
      var $SMTPKeepAlive = false;  
   
      /**#@+  
       * @access private  
       */  
      var $smtp            = NULL;  
      var $to              = array();  
      var $cc              = array();  
      var $bcc             = array();  
      var $ReplyTo         = array();  
      var $attachment      = array();  
      var $CustomHeader    = array();  
      var $message_type    = "";  
      var $boundary        = array();  
      var $language        = array();  
      var $error_count     = 0;  
      var $LE              = "\n";  
      /**#@-*/  
        
      /////////////////////////////////////////////////  
      // VARIABLE METHODS  
      /////////////////////////////////////////////////  
   
      /**  
       * Sets message type to HTML.    
       * @param bool $bool  
       * @return void  
       */  
      function IsHTML($bool) {  
          if($bool == true)  
              $this->ContentType = "text/html";  
          else  
              $this->ContentType = "text/plain";  
      }  
   
      /**  
       * Sets Mailer to send message using SMTP.  
       * @return void  
       */  
      function IsSMTP() {  
          $this->Mailer = "smtp";  
      }  
   
      /**  
       * Sets Mailer to send message using PHP mail() function.  
       * @return void  
       */  
      function IsMail() {  
          $this->Mailer = "mail";  
      }  
   
      /**  
       * Sets Mailer to send message using the $Sendmail program.  
       * @return void  
       */  
      function IsSendmail() {  
          $this->Mailer = "sendmail";  
      }  
   
      /**  
       * Sets Mailer to send message using the qmail MTA.   
       * @return void  
       */  
      function IsQmail() {  
          $this->Sendmail = "/var/qmail/bin/sendmail";  
          $this->Mailer = "sendmail";  
      }  
   
   
      /////////////////////////////////////////////////  
      // RECIPIENT METHODS  
      /////////////////////////////////////////////////  
   
      /**  
       * Adds a "To" address.    
       * @param string $address  
       * @param string $name  
       * @return void  
       */  
      function AddAddress($address, $name = "") {  
          $cur = count($this->to);  
          $this->to[$cur][0] = trim($address);  
          $this->to[$cur][1] = $name;  
      }  
   
      /**  
       * Adds a "Cc" address. Note: this function works  
       * with the SMTP mailer on win32, not with the "mail"  
       * mailer.    
       * @param string $address  
       * @param string $name  
       * @return void  
      */  
      function AddCC($address, $name = "") {  
          $cur = count($this->cc);  
          $this->cc[$cur][0] = trim($address);  
          $this->cc[$cur][1] = $name;  
      }  
   
      /**  
       * Adds a "Bcc" address. Note: this function works  
       * with the SMTP mailer on win32, not with the "mail"  
       * mailer.    
       * @param string $address  
       * @param string $name  
       * @return void  
       */  
      function AddBCC($address, $name = "") {  
          $cur = count($this->bcc);  
          $this->bcc[$cur][0] = trim($address);  
          $this->bcc[$cur][1] = $name;  
      }  
   
      /**  
       * Adds a "Reply-to" address.    
       * @param string $address  
       * @param string $name  
       * @return void  
       */  
      function AddReplyTo($address, $name = "") {  
          $cur = count($this->ReplyTo);  
          $this->ReplyTo[$cur][0] = trim($address);  
          $this->ReplyTo[$cur][1] = $name;  
      }  
   
   
      /////////////////////////////////////////////////  
      // MAIL SENDING METHODS  
      /////////////////////////////////////////////////  
   
      /**  
       * Creates message and assigns Mailer. If the message is  
       * not sent successfully then it returns false.  Use the ErrorInfo  
       * variable to view description of the error.    
       * @return bool  
       */  
      function Send() {  
          $header = "";  
          $body = "";  
          $result = true;  
   
          if((count($this->to) + count($this->cc) + count($this->bcc)) < 1)  
          {  
              $this->SetError($this->Lang("provide_address"));  
              return false;  
          }  
   
          // Set whether the message is multipart/alternative  
          if(!empty($this->AltBody))  
              $this->ContentType = "multipart/alternative";  
   
          $this->error_count = 0; // reset errors  
          $this->SetMessageType();  
          $header .= $this->CreateHeader();  
          $body = $this->CreateBody();  
   
          if($body == "") { return false; }  
   
          // Choose the mailer  
          switch($this->Mailer)  
          {  
              case "sendmail":  
                  $result = $this->SendmailSend($header, $body);  
                  break;  
              case "mail":  
                  $result = $this->MailSend($header, $body);  
                  break;  
              case "smtp":  
                  $result = $this->SmtpSend($header, $body);  
                  break;  
              default:  
              $this->SetError($this->Mailer . $this->Lang("mailer_not_supported"));  
                  $result = false;  
                  break;  
          }  
   
          return $result;  
      }  
        
      /**  
       * Sends mail using the $Sendmail program.    
       * @access private  
       * @return bool  
       */  
      function SendmailSend($header, $body) {  
          if ($this->Sender != "")  
              $sendmail = sprintf("%s -oi -f %s -t", $this->Sendmail, $this->Sender);  
          else  
              $sendmail = sprintf("%s -oi -t", $this->Sendmail);  
   
          if(!@$mail = popen($sendmail, "w"))  
          {  
              $this->SetError($this->Lang("execute") . $this->Sendmail);  
              return false;  
          }  
   
          fputs($mail, $header);  
          fputs($mail, $body);  
            
          $result = pclose($mail) >> 8 & 0xFF;  
          if($result != 0)  
          {  
              $this->SetError($this->Lang("execute") . $this->Sendmail);  
              return false;  
          }  
   
          return true;  
      }  
   
      /**  
       * Sends mail using the PHP mail() function.    
       * @access private  
       * @return bool  
       */  
      function MailSend($header, $body) {  
          $to = "";  
          for($i = 0; $i < count($this->to); $i++)  
          {  
              if($i != 0) { $to .= ", "; }  
              $to .= $this->to[$i][0];  
          }  
   
          if ($this->Sender != "" && strlen(ini_get("safe_mode"))< 1)  
          {  
              $old_from = ini_get("sendmail_from");  
              ini_set("sendmail_from", $this->Sender);  
              $params = sprintf("-oi -f %s", $this->Sender);  
              $rt = @mail($to, $this->EncodeHeader($this->Subject), $body,   
                          $header, $params);  
          }  
          else  
              $rt = @mail($to, $this->EncodeHeader($this->Subject), $body, $header);  
   
          if (isset($old_from))  
              ini_set("sendmail_from", $old_from);  
   
          if(!$rt)  
          {  
              $this->SetError($this->Lang("instantiate"));  
              return false;  
          }  
   
          return true;  
      }  
   
      /**  
       * Sends mail via SMTP using PhpSMTP (Author:  
       * Chris Ryan).  Returns bool.  Returns false if there is a  
       * bad MAIL FROM, RCPT, or DATA input.  
       * @access private  
       * @return bool  
       */  
      function SmtpSend($header, $body) {  
          include_once($this->PluginDir . "class.smtp.php");  
          $error = "";  
          $bad_rcpt = array();  
   
          if(!$this->SmtpConnect())  
              return false;  
   
          $smtp_from = ($this->Sender == "") ? $this->From : $this->Sender;  
          if(!$this->smtp->Mail($smtp_from))  
          {  
              $error = $this->Lang("from_failed") . $smtp_from;  
              $this->SetError($error);  
              $this->smtp->Reset();  
              return false;  
          }  
   
          // Attempt to send attach all recipients  
          for($i = 0; $i < count($this->to); $i++)  
          {  
              if(!$this->smtp->Recipient($this->to[$i][0]))  
                  $bad_rcpt[] = $this->to[$i][0];  
          }  
          for($i = 0; $i < count($this->cc); $i++)  
          {  
              if(!$this->smtp->Recipient($this->cc[$i][0]))  
                  $bad_rcpt[] = $this->cc[$i][0];  
          }  
          for($i = 0; $i < count($this->bcc); $i++)  
          {  
              if(!$this->smtp->Recipient($this->bcc[$i][0]))  
                  $bad_rcpt[] = $this->bcc[$i][0];  
          }  
   
          if(count($bad_rcpt) > 0) // Create error message  
          {  
              for($i = 0; $i < count($bad_rcpt); $i++)  
              {  
                  if($i != 0) { $error .= ", "; }  
                  $error .= $bad_rcpt[$i];  
              }  
              $error = $this->Lang("recipients_failed") . $error;  
              $this->SetError($error);  
              $this->smtp->Reset();  
              return false;  
          }  
   
          if(!$this->smtp->Data($header . $body))  
          {  
              $this->SetError($this->Lang("data_not_accepted"));  
              $this->smtp->Reset();  
              return false;  
          }  
          if($this->SMTPKeepAlive == true)  
              $this->smtp->Reset();  
          else  
              $this->SmtpClose();  
   
          return true;  
      }  
   
      /**  
       * Initiates a connection to an SMTP server.  Returns false if the   
       * operation failed.  
       * @access private  
       * @return bool  
       */  
      function SmtpConnect() {  
          if($this->smtp == NULL) { $this->smtp = new SMTP(); }  
   
          $this->smtp->do_debug = $this->SMTPDebug;  
          $hosts = explode(";", $this->Host);  
          $index = 0;  
          $connection = ($this->smtp->Connected());   
   
          // Retry while there is no connection  
          while($index < count($hosts) && $connection == false)  
          {  
              if(strstr($hosts[$index], ":"))  
                  list($host, $port) = explode(":", $hosts[$index]);  
              else  
              {  
                  $host = $hosts[$index];  
                  $port = $this->Port;  
              }  
   
              if($this->smtp->Connect($host, $port, $this->Timeout))  
              {  
                  if ($this->Helo != '')  
                      $this->smtp->Hello($this->Helo);  
                  else  
                      $this->smtp->Hello($this->ServerHostname());  
            
                  if($this->SMTPAuth)  
                  {  
                      if(!$this->smtp->Authenticate($this->Username,   
                                                    $this->Password))  
                      {  
                          $this->SetError($this->Lang("authenticate"));  
                          $this->smtp->Reset();  
                          $connection = false;  
                      }  
                  }  
                  $connection = true;  
              }  
              $index++;  
          }  
          if(!$connection)  
              $this->SetError($this->Lang("connect_host"));  
   
          return $connection;  
      }  
   
      /**  
       * Closes the active SMTP session if one exists.  
       * @return void  
       */  
      function SmtpClose() {  
          if($this->smtp != NULL)  
          {  
              if($this->smtp->Connected())  
              {  
                  $this->smtp->Quit();  
                  $this->smtp->Close();  
              }  
          }  
      }  
   
      /**  
       * Sets the language for all class error messages.  Returns false   
       * if it cannot load the language file.  The default language type  
       * is English.  
       * @param string $lang_type Type of language (e.g. Portuguese: "br")  
       * @param string $lang_path Path to the language file directory  
       * @access public  
       * @return bool  
       */  
      function SetLanguage($lang_type, $lang_path = "language/") {  
          if(file_exists($lang_path.'phpmailer.lang-'.$lang_type.'.php'))  
              include($lang_path.'phpmailer.lang-'.$lang_type.'.php');  
          else if(file_exists($lang_path.'phpmailer.lang-en.php'))  
              include($lang_path.'phpmailer.lang-en.php');  
          else  
          {  
              $this->SetError("Could not load language file");  
              return false;  
          }  
          $this->language = $PHPMAILER_LANG;  
        
          return true;  
      }  
   
      /////////////////////////////////////////////////  
      // MESSAGE CREATION METHODS  
      /////////////////////////////////////////////////  
   
      /**  
       * Creates recipient headers.    
       * @access private  
       * @return string  
       */  
      function AddrAppend($type, $addr) {  
          $addr_str = $type . ": ";  
          $addr_str .= $this->AddrFormat($addr[0]);  
          if(count($addr) > 1)  
          {  
              for($i = 1; $i < count($addr); $i++)  
                  $addr_str .= ", " . $this->AddrFormat($addr[$i]);  
          }  
          $addr_str .= $this->LE;  
   
          return $addr_str;  
      }  
        
      /**  
       * Formats an address correctly.   
       * @access private  
       * @return string  
       */  
      function AddrFormat($addr) {  
          if(empty($addr[1]))  
              $formatted = $addr[0];  
          else  
          {  
              $formatted = $this->EncodeHeader($addr[1], 'phrase') . " <" .   
                           $addr[0] . ">";  
          }  
   
          return $formatted;  
      }  
   
      /**  
       * Wraps message for use with mailers that do not  
       * automatically perform wrapping and for quoted-printable.  
       * Original written by philippe.    
       * @access private  
       * @return string  
       */  
      function WrapText($message, $length, $qp_mode = false) {  
          $soft_break = ($qp_mode) ? sprintf(" =%s", $this->LE) : $this->LE;  
   
          $message = $this->FixEOL($message);  
          if (substr($message, -1) == $this->LE)  
              $message = substr($message, 0, -1);  
   
          $line = explode($this->LE, $message);  
          $message = "";  
          for ($i=0 ;$i < count($line); $i++)  
          {  
            $line_part = explode(" ", $line[$i]);  
            $buf = "";  
            for ($e = 0; $e<count($line_part); $e++)  
            {  
                $word = $line_part[$e];  
                if ($qp_mode and (strlen($word) > $length))  
                {  
                  $space_left = $length - strlen($buf) - 1;  
                  if ($e != 0)  
                  {  
                      if ($space_left > 20)  
                      {  
                          $len = $space_left;  
                          if (substr($word, $len - 1, 1) == "=")  
                            $len--;  
                          elseif (substr($word, $len - 2, 1) == "=")  
                            $len -= 2;  
                          $part = substr($word, 0, $len);  
                          $word = substr($word, $len);  
                          $buf .= " " . $part;  
                          $message .= $buf . sprintf("=%s", $this->LE);  
                      }  
                      else  
                      {  
                          $message .= $buf . $soft_break;  
                      }  
                      $buf = "";  
                  }  
                  while (strlen($word) > 0)  
                  {  
                      $len = $length;  
                      if (substr($word, $len - 1, 1) == "=")  
                          $len--;  
                      elseif (substr($word, $len - 2, 1) == "=")  
                          $len -= 2;  
                      $part = substr($word, 0, $len);  
                      $word = substr($word, $len);  
   
                      if (strlen($word) > 0)  
                          $message .= $part . sprintf("=%s", $this->LE);  
                      else  
                          $buf = $part;  
                  }  
                }  
                else  
                {  
                  $buf_o = $buf;  
                  $buf .= ($e == 0) ? $word : (" " . $word);   
   
                  if (strlen($buf) > $length and $buf_o != "")  
                  {  
                      $message .= $buf_o . $soft_break;  
                      $buf = $word;  
                  }  
                }  
            }  
            $message .= $buf . $this->LE;  
          }  
   
          return $message;  
      }  
        
      /**  
       * Set the body wrapping.  
       * @access private  
       * @return void  
       */  
      function SetWordWrap() {  
          if($this->WordWrap < 1)  
              return;  
                
          switch($this->message_type)  
          {  
             case "alt":  
                // fall through  
             case "alt_attachment":  
                $this->AltBody = $this->WrapText($this->AltBody, $this->WordWrap);  
                break;  
             default:  
                $this->Body = $this->WrapText($this->Body, $this->WordWrap);  
                break;  
          }  
      }  
   
      /**  
       * Assembles message header.    
       * @access private  
       * @return string  
       */  
      function CreateHeader() {  
          $result = "";  
            
          // Set the boundaries  
          $uniq_id = md5(uniqid(time()));  
          $this->boundary[1] = "b1_" . $uniq_id;  
          $this->boundary[2] = "b2_" . $uniq_id;  
   
          $result .= $this->HeaderLine("Date", $this->RFCDate());  
          if($this->Sender == "")  
              $result .= $this->HeaderLine("Return-Path", trim($this->From));  
          else  
              $result .= $this->HeaderLine("Return-Path", trim($this->Sender));  
            
          // To be created automatically by mail()  
          if($this->Mailer != "mail")  
          {  
              if(count($this->to) > 0)  
                  $result .= $this->AddrAppend("To", $this->to);  
              else if (count($this->cc) == 0)  
                  $result .= $this->HeaderLine("To", "undisclosed-recipients:;");  
              if(count($this->cc) > 0)  
                  $result .= $this->AddrAppend("Cc", $this->cc);  
          }  
   
          $from = array();  
          $from[0][0] = trim($this->From);  
          $from[0][1] = $this->FromName;  
          $result .= $this->AddrAppend("From", $from);   
   
          // sendmail and mail() extract Bcc from the header before sending  
          if((($this->Mailer == "sendmail") || ($this->Mailer == "mail")) && (count($this->bcc) > 0))  
              $result .= $this->AddrAppend("Bcc", $this->bcc);  
   
          if(count($this->ReplyTo) > 0)  
              $result .= $this->AddrAppend("Reply-to", $this->ReplyTo);  
   
          // mail() sets the subject itself  
          if($this->Mailer != "mail")  
              $result .= $this->HeaderLine("Subject", $this->EncodeHeader(trim($this->Subject)));  
   
          $result .= sprintf("Message-ID: <%s@%s>%s", $uniq_id, $this->ServerHostname(), $this->LE);  
          $result .= $this->HeaderLine("X-Priority", $this->Priority);  
          $result .= $this->HeaderLine("X-Mailer", "PHPMailer [version " . $this->Version . "]");  
            
          if($this->ConfirmReadingTo != "")  
          {  
              $result .= $this->HeaderLine("Disposition-Notification-To",   
                         "<" . trim($this->ConfirmReadingTo) . ">");  
          }  
   
          // Add custom headers  
          for($index = 0; $index < count($this->CustomHeader); $index++)  
          {  
              $result .= $this->HeaderLine(trim($this->CustomHeader[$index][0]),   
                         $this->EncodeHeader(trim($this->CustomHeader[$index][1])));  
          }  
          $result .= $this->HeaderLine("MIME-Version", "1.0");  
   
          switch($this->message_type)  
          {  
              case "plain":  
                  $result .= $this->HeaderLine("Content-Transfer-Encoding", $this->Encoding);  
                  $result .= sprintf("Content-Type: %s; charset=\"%s\"",  
                                      $this->ContentType, $this->CharSet);  
                  break;  
              case "attachments":  
                  // fall through  
              case "alt_attachments":  
                  if($this->InlineImageExists())  
                  {  
                      $result .= sprintf("Content-Type: %s;%s\ttype=\"text/html\";%s\tboundary=\"%s\"%s",   
                                      "multipart/related", $this->LE, $this->LE,   
                                      $this->boundary[1], $this->LE);  
                  }  
                  else  
                  {  
                      $result .= $this->HeaderLine("Content-Type", "multipart/mixed;");  
                      $result .= $this->TextLine("\tboundary=\"" . $this->boundary[1] . '"');  
                  }  
                  break;  
              case "alt":  
                  $result .= $this->HeaderLine("Content-Type", "multipart/alternative;");  
                  $result .= $this->TextLine("\tboundary=\"" . $this->boundary[1] . '"');  
                  break;  
          }  
   
          if($this->Mailer != "mail")  
              $result .= $this->LE.$this->LE;  
   
          return $result;  
      }  
   
      /**  
       * Assembles the message body.  Returns an empty string on failure.  
       * @access private  
       * @return string  
       */  
      function CreateBody() {  
          $result = "";  
   
          $this->SetWordWrap();  
   
          switch($this->message_type)  
          {  
              case "alt":  
                  $result .= $this->GetBoundary($this->boundary[1], "",   
                                                "text/plain", "");  
                  $result .= $this->EncodeString($this->AltBody, $this->Encoding);  
                  $result .= $this->LE.$this->LE;  
                  $result .= $this->GetBoundary($this->boundary[1], "",   
                                                "text/html", "");  
                    
                  $result .= $this->EncodeString($this->Body, $this->Encoding);  
                  $result .= $this->LE.$this->LE;  
        
                  $result .= $this->EndBoundary($this->boundary[1]);  
                  break;  
              case "plain":  
                  $result .= $this->EncodeString($this->Body, $this->Encoding);  
                  break;  
              case "attachments":  
                  $result .= $this->GetBoundary($this->boundary[1], "", "", "");  
                  $result .= $this->EncodeString($this->Body, $this->Encoding);  
                  $result .= $this->LE;  
         
                  $result .= $this->AttachAll();  
                  break;  
              case "alt_attachments":  
                  $result .= sprintf("--%s%s", $this->boundary[1], $this->LE);  
                  $result .= sprintf("Content-Type: %s;%s" .  
                                     "\tboundary=\"%s\"%s",  
                                     "multipart/alternative", $this->LE,   
                                     $this->boundary[2], $this->LE.$this->LE);  
        
                  // Create text body  
                  $result .= $this->GetBoundary($this->boundary[2], "",   
                                                "text/plain", "") . $this->LE;  
   
                  $result .= $this->EncodeString($this->AltBody, $this->Encoding);  
                  $result .= $this->LE.$this->LE;  
        
                  // Create the HTML body  
                  $result .= $this->GetBoundary($this->boundary[2], "",   
                                                "text/html", "") . $this->LE;  
        
                  $result .= $this->EncodeString($this->Body, $this->Encoding);  
                  $result .= $this->LE.$this->LE;  
   
                  $result .= $this->EndBoundary($this->boundary[2]);  
                    
                  $result .= $this->AttachAll();  
                  break;  
          }  
          if($this->IsError())  
              $result = "";  
   
          return $result;  
      }  
   
      /**  
       * Returns the start of a message boundary.  
       * @access private  
       */  
      function GetBoundary($boundary, $charSet, $contentType, $encoding) {  
          $result = "";  
          if($charSet == "") { $charSet = $this->CharSet; }  
          if($contentType == "") { $contentType = $this->ContentType; }  
          if($encoding == "") { $encoding = $this->Encoding; }  
   
          $result .= $this->TextLine("--" . $boundary);  
          $result .= sprintf("Content-Type: %s; charset = \"%s\"",   
                              $contentType, $charSet);  
          $result .= $this->LE;  
          $result .= $this->HeaderLine("Content-Transfer-Encoding", $encoding);  
          $result .= $this->LE;  
           
          return $result;  
      }  
        
      /**  
       * Returns the end of a message boundary.  
       * @access private  
       */  
      function EndBoundary($boundary) {  
          return $this->LE . "--" . $boundary . "--" . $this->LE;   
      }  
        
      /**  
       * Sets the message type.  
       * @access private  
       * @return void  
       */  
      function SetMessageType() {  
          if(count($this->attachment) < 1 && strlen($this->AltBody) < 1)  
              $this->message_type = "plain";  
          else  
          {  
              if(count($this->attachment) > 0)  
                  $this->message_type = "attachments";  
              if(strlen($this->AltBody) > 0 && count($this->attachment) < 1)  
                  $this->message_type = "alt";  
              if(strlen($this->AltBody) > 0 && count($this->attachment) > 0)  
                  $this->message_type = "alt_attachments";  
          }  
      }  
   
      /**  
       * Returns a formatted header line.  
       * @access private  
       * @return string  
       */  
      function HeaderLine($name, $value) {  
          return $name . ": " . $value . $this->LE;  
      }  
   
      /**  
       * Returns a formatted mail line.  
       * @access private  
       * @return string  
       */  
      function TextLine($value) {  
          return $value . $this->LE;  
      }  
   
      /////////////////////////////////////////////////  
      // ATTACHMENT METHODS  
      /////////////////////////////////////////////////  
   
      /**  
       * Adds an attachment from a path on the filesystem.  
       * Returns false if the file could not be found  
       * or accessed.  
       * @param string $path Path to the attachment.  
       * @param string $name Overrides the attachment name.  
       * @param string $encoding File encoding (see $Encoding).  
       * @param string $type File extension (MIME) type.  
       * @return bool  
       */  
      function AddAttachment($path, $name = "", $encoding = "base64",   
                             $type = "application/octet-stream") {  
          if(!@is_file($path))  
          {  
              $this->SetError($this->Lang("file_access") . $path);  
              return false;  
          }  
   
          $filename = basename($path);  
          if($name == "")  
              $name = $filename;  
   
          $cur = count($this->attachment);  
          $this->attachment[$cur][0] = $path;  
          $this->attachment[$cur][1] = $filename;  
          $this->attachment[$cur][2] = $name;  
          $this->attachment[$cur][3] = $encoding;  
          $this->attachment[$cur][4] = $type;  
          $this->attachment[$cur][5] = false; // isStringAttachment  
          $this->attachment[$cur][6] = "attachment";  
          $this->attachment[$cur][7] = 0;  
   
          return true;  
      }  
   
      /**  
       * Attaches all fs, string, and binary attachments to the message.  
       * Returns an empty string on failure.  
       * @access private  
       * @return string  
       */  
      function AttachAll() {  
          // Return text of body  
          $mime = array();  
   
          // Add all attachments  
          for($i = 0; $i < count($this->attachment); $i++)  
          {  
              // Check for string attachment  
              $bString = $this->attachment[$i][5];  
              if ($bString)  
                  $string = $this->attachment[$i][0];  
              else  
                  $path = $this->attachment[$i][0];  
   
              $filename    = $this->attachment[$i][1];  
              $name        = $this->attachment[$i][2];  
              $encoding    = $this->attachment[$i][3];  
              $type        = $this->attachment[$i][4];  
              $disposition = $this->attachment[$i][6];  
              $cid         = $this->attachment[$i][7];  
                
              $mime[] = sprintf("--%s%s", $this->boundary[1], $this->LE);  
              $mime[] = sprintf("Content-Type: %s; name=\"%s\"%s", $type, $name, $this->LE);  
              $mime[] = sprintf("Content-Transfer-Encoding: %s%s", $encoding, $this->LE);  
   
              if($disposition == "inline")  
                  $mime[] = sprintf("Content-ID: <%s>%s", $cid, $this->LE);  
   
              $mime[] = sprintf("Content-Disposition: %s; filename=\"%s\"%s",   
                                $disposition, $name, $this->LE.$this->LE);  
   
              // Encode as string attachment  
              if($bString)  
              {  
                  $mime[] = $this->EncodeString($string, $encoding);  
                  if($this->IsError()) { return ""; }  
                  $mime[] = $this->LE.$this->LE;  
              }  
              else  
              {  
                  $mime[] = $this->EncodeFile($path, $encoding);                  
                  if($this->IsError()) { return ""; }  
                  $mime[] = $this->LE.$this->LE;  
              }  
          }  
   
          $mime[] = sprintf("--%s--%s", $this->boundary[1], $this->LE);  
   
          return join("", $mime);  
      }  
        
      /**  
       * Encodes attachment in requested format.  Returns an  
       * empty string on failure.  
       * @access private  
       * @return string  
       */  
      function EncodeFile ($path, $encoding = "base64") {  
          if(!@$fd = fopen($path, "rb"))  
          {  
              $this->SetError($this->Lang("file_open") . $path);  
              return "";  
          }  
          $file_buffer = fread($fd, filesize($path));  
          $file_buffer = $this->EncodeString($file_buffer, $encoding);  
          fclose($fd);  
   
          return $file_buffer;  
      }  
   
      /**  
       * Encodes string to requested format. Returns an  
       * empty string on failure.  
       * @access private  
       * @return string  
       */  
      function EncodeString ($str, $encoding = "base64") {  
          $encoded = "";  
          switch(strtolower($encoding)) {  
            case "base64":  
                // chunk_split is found in PHP >= 3.0.6  
                $encoded = chunk_split(base64_encode($str), 76, $this->LE);  
                break;  
            case "7bit":  
            case "8bit":  
                $encoded = $this->FixEOL($str);  
                if (substr($encoded, -(strlen($this->LE))) != $this->LE)  
                  $encoded .= $this->LE;  
                break;  
            case "binary":  
                $encoded = $str;  
                break;  
            case "quoted-printable":  
                $encoded = $this->EncodeQP($str);  
                break;  
            default:  
                $this->SetError($this->Lang("encoding") . $encoding);  
                break;  
          }  
          return $encoded;  
      }  
   
      /**  
       * Encode a header string to best of Q, B, quoted or none.    
       * @access private  
       * @return string  
       */  
      function EncodeHeader ($str, $position = 'text') {  
        $x = 0;  
          
        switch (strtolower($position)) {  
          case 'phrase':  
            if (!preg_match('/[\200-\377]/', $str)) {  
              // Can't use addslashes as we don't know what value has magic_quotes_sybase.  
              $encoded = addcslashes($str, "\0..\37\177\\\"");  
   
              if (($str == $encoded) && !preg_match('/[^A-Za-z0-9!#$%&\'*+\/=?^_`{|}~ -]/', $str))  
                return ($encoded);  
              else  
                return ("\"$encoded\"");  
            }  
            $x = preg_match_all('/[^\040\041\043-\133\135-\176]/', $str, $matches);  
            break;  
          case 'comment':  
            $x = preg_match_all('/[()"]/', $str, $matches);  
            // Fall-through  
          case 'text':  
          default:  
            $x += preg_match_all('/[\000-\010\013\014\016-\037\177-\377]/', $str, $matches);  
            break;  
        }  
   
        if ($x == 0)  
          return ($str);  
   
        $maxlen = 75 - 7 - strlen($this->CharSet);  
        // Try to select the encoding which should produce the shortest output  
        if (strlen($str)/3 < $x) {  
          $encoding = 'B';  
          $encoded = base64_encode($str);  
          $maxlen -= $maxlen % 4;  
          $encoded = trim(chunk_split($encoded, $maxlen, "\n"));  
        } else {  
          $encoding = 'Q';  
          $encoded = $this->EncodeQ($str, $position);  
          $encoded = $this->WrapText($encoded, $maxlen, true);  
          $encoded = str_replace("=".$this->LE, "\n", trim($encoded));  
        }  
   
        $encoded = preg_replace('/^(.*)$/m', " =?".$this->CharSet."?$encoding?\\1?=", $encoded);  
        $encoded = trim(str_replace("\n", $this->LE, $encoded));  
          
        return $encoded;  
      }  
        
      /**  
       * Encode string to quoted-printable.    
       * @access private  
       * @return string  
       */  
      function EncodeQP ($str) {  
          $encoded = $this->FixEOL($str);  
          if (substr($encoded, -(strlen($this->LE))) != $this->LE)  
              $encoded .= $this->LE;  
   
          // Replace every high ascii, control and = characters  
          $encoded = preg_replace('/([\000-\010\013\014\016-\037\075\177-\377])/e',  
                    "'='.sprintf('%02X', ord('\\1'))", $encoded);  
          // Replace every spaces and tabs when it's the last character on a line  
          $encoded = preg_replace("/([\011\040])".$this->LE."/e",  
                    "'='.sprintf('%02X', ord('\\1')).'".$this->LE."'", $encoded);  
   
          // Maximum line length of 76 characters before CRLF (74 + space + '=')  
          $encoded = $this->WrapText($encoded, 74, true);  
   
          return $encoded;  
      }  
   
      /**  
       * Encode string to q encoding.    
       * @access private  
       * @return string  
       */  
      function EncodeQ ($str, $position = "text") {  
          // There should not be any EOL in the string  
          $encoded = preg_replace("[\r\n]", "", $str);  
   
          switch (strtolower($position)) {  
            case "phrase":  
              $encoded = preg_replace("/([^A-Za-z0-9!*+\/ -])/e", "'='.sprintf('%02X', ord('\\1'))", $encoded);  
              break;  
            case "comment":  
              $encoded = preg_replace("/([\(\)\"])/e", "'='.sprintf('%02X', ord('\\1'))", $encoded);  
            case "text":  
            default:  
              // Replace every high ascii, control =, ? and _ characters  
              $encoded = preg_replace('/([\000-\011\013\014\016-\037\075\077\137\177-\377])/e',  
                    "'='.sprintf('%02X', ord('\\1'))", $encoded);  
              break;  
          }  
            
          // Replace every spaces to _ (more readable than =20)  
          $encoded = str_replace(" ", "_", $encoded);  
   
          return $encoded;  
      }  
   
      /**  
       * Adds a string or binary attachment (non-filesystem) to the list.  
       * This method can be used to attach ascii or binary data,  
       * such as a BLOB record from a database.  
       * @param string $string String attachment data.  
       * @param string $filename Name of the attachment.  
       * @param string $encoding File encoding (see $Encoding).  
       * @param string $type File extension (MIME) type.  
       * @return void  
       */  
      function AddStringAttachment($string, $filename, $encoding = "base64",   
                                   $type = "application/octet-stream") {  
          // Append to $attachment array  
          $cur = count($this->attachment);  
          $this->attachment[$cur][0] = $string;  
          $this->attachment[$cur][1] = $filename;  
          $this->attachment[$cur][2] = $filename;  
          $this->attachment[$cur][3] = $encoding;  
          $this->attachment[$cur][4] = $type;  
          $this->attachment[$cur][5] = true; // isString  
          $this->attachment[$cur][6] = "attachment";  
          $this->attachment[$cur][7] = 0;  
      }  
        
      /**  
       * Adds an embedded attachment.  This can include images, sounds, and   
       * just about any other document.  Make sure to set the $type to an   
       * image type.  For JPEG images use "image/jpeg" and for GIF images   
       * use "image/gif".  
       * @param string $path Path to the attachment.  
       * @param string $cid Content ID of the attachment.  Use this to identify   
       *        the Id for accessing the image in an HTML form.  
       * @param string $name Overrides the attachment name.  
       * @param string $encoding File encoding (see $Encoding).  
       * @param string $type File extension (MIME) type.    
       * @return bool  
       */  
      function AddEmbeddedImage($path, $cid, $name = "", $encoding = "base64",   
                                $type = "application/octet-stream") {  
        
          if(!@is_file($path))  
          {  
              $this->SetError($this->Lang("file_access") . $path);  
              return false;  
          }  
   
          $filename = basename($path);  
          if($name == "")  
              $name = $filename;  
   
          // Append to $attachment array  
          $cur = count($this->attachment);  
          $this->attachment[$cur][0] = $path;  
          $this->attachment[$cur][1] = $filename;  
          $this->attachment[$cur][2] = $name;  
          $this->attachment[$cur][3] = $encoding;  
          $this->attachment[$cur][4] = $type;  
          $this->attachment[$cur][5] = false; // isStringAttachment  
          $this->attachment[$cur][6] = "inline";  
          $this->attachment[$cur][7] = $cid;  
        
          return true;  
      }  
        
      /**  
       * Returns true if an inline attachment is present.  
       * @access private  
       * @return bool  
       */  
      function InlineImageExists() {  
          $result = false;  
          for($i = 0; $i < count($this->attachment); $i++)  
          {  
              if($this->attachment[$i][6] == "inline")  
              {  
                  $result = true;  
                  break;  
              }  
          }  
            
          return $result;  
      }  
   
      /////////////////////////////////////////////////  
      // MESSAGE RESET METHODS  
      /////////////////////////////////////////////////  
   
      /**  
       * Clears all recipients assigned in the TO array.  Returns void.  
       * @return void  
       */  
      function ClearAddresses() {  
          $this->to = array();  
      }  
   
      /**  
       * Clears all recipients assigned in the CC array.  Returns void.  
       * @return void  
       */  
      function ClearCCs() {  
          $this->cc = array();  
      }  
   
      /**  
       * Clears all recipients assigned in the BCC array.  Returns void.  
       * @return void  
       */  
      function ClearBCCs() {  
          $this->bcc = array();  
      }  
   
      /**  
       * Clears all recipients assigned in the ReplyTo array.  Returns void.  
       * @return void  
       */  
      function ClearReplyTos() {  
          $this->ReplyTo = array();  
      }  
   
      /**  
       * Clears all recipients assigned in the TO, CC and BCC  
       * array.  Returns void.  
       * @return void  
       */  
      function ClearAllRecipients() {  
          $this->to = array();  
          $this->cc = array();  
          $this->bcc = array();  
      }  
   
      /**  
       * Clears all previously set filesystem, string, and binary  
       * attachments.  Returns void.  
       * @return void  
       */  
      function ClearAttachments() {  
          $this->attachment = array();  
      }  
   
      /**  
       * Clears all custom headers.  Returns void.  
       * @return void  
       */  
      function ClearCustomHeaders() {  
          $this->CustomHeader = array();  
      }  
   
   
      /////////////////////////////////////////////////  
      // MISCELLANEOUS METHODS  
      /////////////////////////////////////////////////  
   
      /**  
       * Adds the error message to the error container.  
       * Returns void.  
       * @access private  
       * @return void  
       */  
      function SetError($msg) {  
          $this->error_count++;  
          $this->ErrorInfo = $msg;  
      }  
   
      /**  
       * Returns the proper RFC 822 formatted date.   
       * @access private  
       * @return string  
       */  
      function RFCDate() {  
          $tz = date("Z");  
          $tzs = ($tz < 0) ? "-" : "+";  
          $tz = abs($tz);  
          $tz = ($tz/3600)*100 + ($tz%3600)/60;  
          $result = sprintf("%s %s%04d", date("D, j M Y H:i:s"), $tzs, $tz);  
   
          return $result;  
      }  
        
      /**  
       * Returns the appropriate server variable.  Should work with both   
       * PHP 4.1.0+ as well as older versions.  Returns an empty string   
       * if nothing is found.  
       * @access private  
       * @return mixed  
       */  
      function ServerVar($varName) {  
          global $HTTP_SERVER_VARS;  
          global $HTTP_ENV_VARS;  
   
          if(!isset($_SERVER))  
          {  
              $_SERVER = $HTTP_SERVER_VARS;  
              if(!isset($_SERVER["REMOTE_ADDR"]))  
                  $_SERVER = $HTTP_ENV_VARS; // must be Apache  
          }  
            
          if(isset($_SERVER[$varName]))  
              return $_SERVER[$varName];  
          else  
              return "";  
      }  
   
      /**  
       * Returns the server hostname or 'localhost.localdomain' if unknown.  
       * @access private  
       * @return string  
       */  
      function ServerHostname() {  
          if ($this->Hostname != "")  
              $result = $this->Hostname;  
          elseif ($this->ServerVar('SERVER_NAME') != "")  
              $result = $this->ServerVar('SERVER_NAME');  
          else  
              $result = "localhost.localdomain";  
   
          return $result;  
      }  
   
      /**  
       * Returns a message in the appropriate language.  
       * @access private  
       * @return string  
       */  
      function Lang($key) {  
          if(count($this->language) < 1)  
              $this->SetLanguage("en"); // set the default language  
        
          if(isset($this->language[$key]))  
              return $this->language[$key];  
          else  
              return "Language string failed to load: " . $key;  
      }  
        
      /**  
       * Returns true if an error occurred.  
       * @return bool  
       */  
      function IsError() {  
          return ($this->error_count > 0);  
      }  
   
      /**  
       * Changes every end of line from CR or LF to CRLF.    
       * @access private  
       * @return string  
       */  
      function FixEOL($str) {  
          $str = str_replace("\r\n", "\n", $str);  
          $str = str_replace("\r", "\n", $str);  
          $str = str_replace("\n", $this->LE, $str);  
          return $str;  
      }  
   
      /**  
       * Adds a custom header.   
       * @return void  
       */  
      function AddCustomHeader($custom_header) {  
          $this->CustomHeader[] = explode(":", $custom_header, 2);  
      }  
  }  
   
  ?>