chamilo-lms2/main/inc/lib/phpmailer/class.phpmailer.php

<?php
/*~ class.phpmailer.php
.---------------------------------------------------------------------------.
|  Software: PHPMailer - PHP email class                                    |
|   Version: 5.1                                                            |
|   Contact: via sourceforge.net support pages (also www.worxware.com)      |
|      Info: http://phpmailer.sourceforge.net                               |
|   Support: http://sourceforge.net/projects/phpmailer/                     |
| ------------------------------------------------------------------------- |
|     Admin: Andy Prevost (project admininistrator)                         |
|   Authors: Andy Prevost (codeworxtech) codeworxtech@users.sourceforge.net |
|          : Marcus Bointon (coolbru) coolbru@users.sourceforge.net         |
|   Founder: Brent R. Matzelle (original founder)                           |
| Copyright (c) 2004-2009, Andy Prevost. All Rights Reserved.               |
| Copyright (c) 2001-2003, Brent R. Matzelle                                |
| ------------------------------------------------------------------------- |
|   License: Distributed under the Lesser General Public License (LGPL)     |
|            http://www.gnu.org/copyleft/lesser.html                        |
| This program is distributed in the hope that it will be useful - WITHOUT  |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or     |
| FITNESS FOR A PARTICULAR PURPOSE.                                         |
| ------------------------------------------------------------------------- |
| We offer a number of paid services (www.worxware.com):                    |
| - Web Hosting on highly optimized fast and secure servers                 |
| - Technology Consulting                                                   |
| - Oursourcing (highly qualified programmers and graphic designers)        |
'---------------------------------------------------------------------------'
*/

/**
 * PHPMailer - PHP email transport class
 * NOTE: Requires PHP version 5 or later.
 *
 * @package PHPMailer
 *
 * @author Andy Prevost
 * @author Marcus Bointon
 * @copyright 2004 - 2009 Andy Prevost
 *
 * @version $Id: class.phpmailer.php 447 2009-05-25 01:36:38Z codeworxtech $
 *
 * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
 */
if (version_compare(PHP_VERSION, '5.0.0', '<')) {
    exit("Sorry, this version of PHPMailer will only run on PHP version 5 or greater!\n");
}

class PHPMailer
{
    /////////////////////////////////////////////////
    // CONSTANTS
    /////////////////////////////////////////////////

    const STOP_MESSAGE = 0; // message only, continue processing
  const STOP_CONTINUE = 1; // message?, likely ok to continue processing
  const STOP_CRITICAL = 2; // message, plus full stop, critical error reached

  /////////////////////////////////////////////////
    // PROPERTIES, PUBLIC
    /////////////////////////////////////////////////

    /**
     * Email priority (1 = High, 3 = Normal, 5 = low).
     *
     * @var int
     */
    public $Priority = 3;

    /**
     * Sets the CharSet of the message.
     *
     * @var string
     */
    public $CharSet = 'iso-8859-1';

    /**
     * Sets the Content-type of the message.
     *
     * @var string
     */
    public $ContentType = 'text/plain';

    /**
     * Sets the Encoding of the message. Options for this are
     *  "8bit", "7bit", "binary", "base64", and "quoted-printable".
     *
     * @var string
     */
    public $Encoding = '8bit';

    /**
     * Holds the most recent mailer error message.
     *
     * @var string
     */
    public $ErrorInfo = '';

    /**
     * Sets the From email address for the message.
     *
     * @var string
     */
    public $From = 'root@localhost';

    /**
     * Sets the From name of the message.
     *
     * @var string
     */
    public $FromName = 'Root User';

    /**
     * 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
     */
    public $Sender = '';

    /**
     * Sets the Subject of the message.
     *
     * @var string
     */
    public $Subject = '';

    /**
     * Sets the Body of the message.  This can be either an HTML or text body.
     * If HTML then run IsHTML(true).
     *
     * @var string
     */
    public $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
     */
    public $AltBody = '';

    /**
     * Sets word wrapping on the body of the message to a given number of
     * characters.
     *
     * @var int
     */
    public $WordWrap = 0;

    /**
     * Method to send mail: ("mail", "sendmail", or "smtp").
     *
     * @var string
     */
    public $Mailer = 'mail';

    /**
     * Sets the path of the sendmail program.
     *
     * @var string
     */
    public $Sendmail = '/usr/sbin/sendmail';

    /**
     * Path to PHPMailer plugins.  Useful if the SMTP class
     * is in a different directory than the PHP include path.
     *
     * @var string
     */
    public $PluginDir = '';

    /**
     * Sets the email address that a reading confirmation will be sent.
     *
     * @var string
     */
    public $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
     */
    public $Hostname = '';

    /**
     * Sets the message ID to be used in the Message-Id header.
     * If empty, a unique id will be generated.
     *
     * @var string
     */
    public $MessageID = '';

    /////////////////////////////////////////////////
    // PROPERTIES FOR SMTP
    /////////////////////////////////////////////////

    /**
     * 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
     */
    public $Host = 'localhost';

    /**
     * Sets the default SMTP server port.
     *
     * @var int
     */
    public $Port = 25;

    /**
     * Sets the SMTP HELO of the message (Default is $Hostname).
     *
     * @var string
     */
    public $Helo = '';

    /**
     * Sets connection prefix.
     * Options are "", "ssl" or "tls".
     *
     * @var string
     */
    public $SMTPSecure = '';

    /**
     * Sets SMTP authentication. Utilizes the Username and Password variables.
     *
     * @var bool
     */
    public $SMTPAuth = false;

    /**
     * Sets SMTP username.
     *
     * @var string
     */
    public $Username = '';

    /**
     * Sets SMTP password.
     *
     * @var string
     */
    public $Password = '';

    /**
     * Sets the SMTP server timeout in seconds.
     * This function will not work with the win32 version.
     *
     * @var int
     */
    public $Timeout = 10;

    /**
     * Sets SMTP class debugging on or off.
     *
     * @var bool
     */
    public $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
     */
    public $SMTPKeepAlive = false;

    /**
     * Provides the ability to have the TO field process individual
     * emails, instead of sending to entire TO addresses.
     *
     * @var bool
     */
    public $SingleTo = false;

    /**
     * If SingleTo is true, this provides the array to hold the email addresses.
     *
     * @var bool
     */
    public $SingleToArray = [];

    /**
     * Provides the ability to change the line ending.
     *
     * @var string
     */
    public $LE = "\n";

    /**
     * Used with DKIM DNS Resource Record.
     *
     * @var string
     */
    public $DKIM_selector = 'phpmailer';

    /**
     * Used with DKIM DNS Resource Record
     * optional, in format of email address 'you@yourdomain.com'.
     *
     * @var string
     */
    public $DKIM_identity = '';

    /**
     * Used with DKIM DNS Resource Record
     * optional, in format of email address 'you@yourdomain.com'.
     *
     * @var string
     */
    public $DKIM_domain = '';

    /**
     * Used with DKIM DNS Resource Record
     * optional, in format of email address 'you@yourdomain.com'.
     *
     * @var string
     */
    public $DKIM_private = '';

    /**
     * Callback Action function name
     * the function that handles the result of the send email action. Parameters:
     *   bool    $result        result of the send action
     *   string  $to            email address of the recipient
     *   string  $cc            cc email addresses
     *   string  $bcc           bcc email addresses
     *   string  $subject       the subject
     *   string  $body          the email body.
     *
     * @var string
     */
    public $action_function = ''; //'callbackAction';

    /**
     * Sets the PHPMailer Version number.
     *
     * @var string
     */
    public $Version = '5.1';
    protected $language = [];

    /////////////////////////////////////////////////
    // PROPERTIES, PRIVATE AND PROTECTED
    /////////////////////////////////////////////////

    private $smtp = null;
    private $to = [];
    private $cc = [];
    private $bcc = [];
    private $ReplyTo = [];
    private $all_recipients = [];
    private $attachment = [];
    private $CustomHeader = [];
    private $message_type = '';
    private $boundary = [];
    private $error_count = 0;
    private $sign_cert_file = "";
    private $sign_key_file = "";
    private $sign_key_pass = "";
    private $exceptions = false;

    /////////////////////////////////////////////////
    // METHODS, VARIABLES
    /////////////////////////////////////////////////

    /**
     * Constructor.
     *
     * @param bool $exceptions Should we throw external exceptions?
     */
    public function __construct($exceptions = false)
    {
        $this->exceptions = ($exceptions == true);
    }

    /**
     * Sets message type to HTML.
     *
     * @param bool $ishtml
     */
    public function IsHTML($ishtml = true)
    {
        if ($ishtml) {
            $this->ContentType = 'text/html';
        } else {
            $this->ContentType = 'text/plain';
        }
    }

    /**
     * Sets Mailer to send message using SMTP.
     */
    public function IsSMTP()
    {
        $this->Mailer = 'smtp';
    }

    /**
     * Sets Mailer to send message using PHP mail() function.
     */
    public function IsMail()
    {
        $this->Mailer = 'mail';
    }

    /**
     * Sets Mailer to send message using the $Sendmail program.
     */
    public function IsSendmail()
    {
        if (!stristr(ini_get('sendmail_path'), 'sendmail')) {
            $this->Sendmail = '/var/qmail/bin/sendmail';
        }
        $this->Mailer = 'sendmail';
    }

    /**
     * Sets Mailer to send message using the qmail MTA.
     */
    public function IsQmail()
    {
        if (stristr(ini_get('sendmail_path'), 'qmail')) {
            $this->Sendmail = '/var/qmail/bin/sendmail';
        }
        $this->Mailer = 'sendmail';
    }

    /////////////////////////////////////////////////
    // METHODS, RECIPIENTS
    /////////////////////////////////////////////////

    /**
     * Adds a "To" address.
     *
     * @param string $address
     * @param string $name
     *
     * @return bool true on success, false if address already used
     */
    public function AddAddress($address, $name = '')
    {
        return $this->AddAnAddress('to', $address, $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 $name
     *
     * @return bool true on success, false if address already used
     */
    public function AddCC($address, $name = '')
    {
        return $this->AddAnAddress('cc', $address, $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 $name
     *
     * @return bool true on success, false if address already used
     */
    public function AddBCC($address, $name = '')
    {
        return $this->AddAnAddress('bcc', $address, $name);
    }

    /**
     * Adds a "Reply-to" address.
     *
     * @param string $address
     * @param string $name
     *
     * @return bool
     */
    public function AddReplyTo($address, $name = '')
    {
        return $this->AddAnAddress('ReplyTo', $address, $name);
    }

    /**
     * Set the From and FromName properties.
     *
     * @param string $address
     * @param string $name
     *
     * @return bool
     */
    public function SetFrom($address, $name = '', $auto = 1)
    {
        $address = trim($address);
        $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
        if (!self::ValidateAddress($address)) {
            $this->SetError($this->Lang('invalid_address').': '.$address);
            if ($this->exceptions) {
                throw new phpmailerException($this->Lang('invalid_address').': '.$address);
            }
            error_log($this->Lang('invalid_address').': '.$address);

            return false;
        }
        $this->From = $address;
        $this->FromName = $name;
        if ($auto) {
            if (empty($this->ReplyTo)) {
                $this->AddAnAddress('ReplyTo', $address, $name);
            }
            if (empty($this->Sender)) {
                $this->Sender = $address;
            }
        }

        return true;
    }

    /**
     * Check that a string looks roughly like an email address should
     * Static so it can be used without instantiation
     * Tries to use PHP built-in validator in the filter extension (from PHP 5.2), falls back to a reasonably competent regex validator
     * Conforms approximately to RFC2822.
     *
     * @see http://www.hexillion.com/samples/#Regex Original pattern found here
     *
     * @param string $address The email address to check
     *
     * @return bool
     * @static
     */
    public static function ValidateAddress($address)
    {
        if (function_exists('filter_var')) { //Introduced in PHP 5.2
            if (filter_var($address, FILTER_VALIDATE_EMAIL) === false) {
                return false;
            } else {
                return true;
            }
        } else {
            return preg_match('/^(?:[\w\!\#\$\%\&\'\*\+\-\/\=\?\^\`\{\|\}\~]+\.)*[\w\!\#\$\%\&\'\*\+\-\/\=\?\^\`\{\|\}\~]+@(?:(?:(?:[a-zA-Z0-9_](?:[a-zA-Z0-9_\-](?!\.)){0,61}[a-zA-Z0-9_-]?\.)+[a-zA-Z0-9_](?:[a-zA-Z0-9_\-](?!$)){0,61}[a-zA-Z0-9_]?)|(?:\[(?:(?:[01]?\d{1,2}|2[0-4]\d|25[0-5])\.){3}(?:[01]?\d{1,2}|2[0-4]\d|25[0-5])\]))$/', $address);
        }
    }

    /////////////////////////////////////////////////
    // METHODS, MAIL SENDING
    /////////////////////////////////////////////////

    /**
     * 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
     */
    public function Send()
    {
        try {
            if ((count($this->to) + count($this->cc) + count($this->bcc)) < 1) {
                throw new phpmailerException($this->Lang('provide_address'), self::STOP_CRITICAL);
            }

            // 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 (empty($this->Body)) {
                throw new phpmailerException($this->Lang('empty_message'), self::STOP_CRITICAL);
            }

            // digitally sign with DKIM if enabled
            if ($this->DKIM_domain && $this->DKIM_private) {
                $header_dkim = $this->DKIM_Add($header, $this->Subject, $body);
                $header = str_replace("\r\n", "\n", $header_dkim).$header;
            }

            // Choose the mailer and send through it
            switch ($this->Mailer) {
        case 'sendmail':
          return $this->SendmailSend($header, $body);
        case 'smtp':
          return $this->SmtpSend($header, $body);
        default:
          return $this->MailSend($header, $body);
      }
        } catch (phpmailerException $e) {
            $this->SetError($e->getMessage());
            if ($this->exceptions) {
                throw $e;
            }

            return false;
        }
    }

    /**
     * Initiates a connection to an SMTP server.
     * Returns false if the operation failed.
     *
     * @uses \SMTP
     *
     * @return bool
     */
    public function SmtpConnect()
    {
        if (is_null($this->smtp)) {
            $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
        try {
            while ($index < count($hosts) && !$connection) {
                $hostinfo = [];
                if (preg_match('/^(.+):([0-9]+)$/', $hosts[$index], $hostinfo)) {
                    $host = $hostinfo[1];
                    $port = $hostinfo[2];
                } else {
                    $host = $hosts[$index];
                    $port = $this->Port;
                }

                $tls = ($this->SMTPSecure == 'tls');
                $ssl = ($this->SMTPSecure == 'ssl');

                if ($this->smtp->Connect(($ssl ? 'ssl://' : '').$host, $port, $this->Timeout)) {
                    $hello = ($this->Helo != '' ? $this->Helo : $this->ServerHostname());
                    $this->smtp->Hello($hello);

                    if ($tls) {
                        if (!$this->smtp->StartTLS()) {
                            throw new phpmailerException($this->Lang('tls'));
                        }

                        //We must resend HELO after tls negotiation
                        $this->smtp->Hello($hello);
                    }

                    $connection = true;
                    if ($this->SMTPAuth) {
                        if (!$this->smtp->Authenticate($this->Username, $this->Password)) {
                            throw new phpmailerException($this->Lang('authenticate'));
                        }
                    }
                }
                $index++;
                if (!$connection) {
                    throw new phpmailerException($this->Lang('connect_host'));
                }
            }
        } catch (phpmailerException $e) {
            $this->smtp->Reset();
            throw $e;
        }

        return true;
    }

    /**
     * Closes the active SMTP session if one exists.
     */
    public function SmtpClose()
    {
        if (!is_null($this->smtp)) {
            if ($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 is English.
     *
     * @param string $langcode  ISO 639-1 2-character language code (e.g. Portuguese: "br")
     * @param string $lang_path Path to the language file directory
     */
    public function SetLanguage($langcode = 'en', $lang_path = 'language/')
    {
        //Define full set of translatable strings
        $PHPMAILER_LANG = [
      'provide_address' => 'You must provide at least one recipient email address.',
      'mailer_not_supported' => ' mailer is not supported.',
      'execute' => 'Could not execute: ',
      'instantiate' => 'Could not instantiate mail function.',
      'authenticate' => 'SMTP Error: Could not authenticate.',
      'from_failed' => 'The following From address failed: ',
      'recipients_failed' => 'SMTP Error: The following recipients failed: ',
      'data_not_accepted' => 'SMTP Error: Data not accepted.',
      'connect_host' => 'SMTP Error: Could not connect to SMTP host.',
      'file_access' => 'Could not access file: ',
      'file_open' => 'File Error: Could not open file: ',
      'encoding' => 'Unknown encoding: ',
      'signing' => 'Signing Error: ',
      'smtp_error' => 'SMTP server error: ',
      'empty_message' => 'Message body empty',
      'invalid_address' => 'Invalid address',
      'variable_set' => 'Cannot set or reset variable: ',
    ];
        //Overwrite language-specific strings. This way we'll never have missing translations - no more "language string failed to load"!
        $l = true;
        if ($langcode != 'en') { //There is no English translation file
            $l = @include $lang_path.'phpmailer.lang-'.$langcode.'.php';
        }
        $this->language = $PHPMAILER_LANG;

        return $l == true; //Returns false if language not found
    }

    /**
     * Return the current array of language strings.
     *
     * @return array
     */
    public function GetTranslations()
    {
        return $this->language;
    }

    /////////////////////////////////////////////////
    // METHODS, MESSAGE CREATION
    /////////////////////////////////////////////////

    /**
     * Creates recipient headers.
     *
     * @return string
     */
    public function AddrAppend($type, $addr)
    {
        $addr_str = $type.': ';
        $addresses = [];
        foreach ($addr as $a) {
            $addresses[] = $this->AddrFormat($a);
        }
        $addr_str .= implode(', ', $addresses);
        $addr_str .= $this->LE;

        return $addr_str;
    }

    /**
     * Formats an address correctly.
     *
     * @return string
     */
    public function AddrFormat($addr)
    {
        if (empty($addr[1])) {
            return $this->SecureHeader($addr[0]);
        } else {
            return $this->EncodeHeader($this->SecureHeader($addr[1]), 'phrase')." <".$this->SecureHeader($addr[0]).">";
        }
    }

    /**
     * Wraps message for use with mailers that do not
     * automatically perform wrapping and for quoted-printable.
     * Original written by philippe.
     *
     * @param string $message The message to wrap
     * @param int    $length  The line length to wrap to
     * @param bool   $qp_mode Whether to run in Quoted-Printable mode
     *
     * @return string
     */
    public function WrapText($message, $length, $qp_mode = false)
    {
        $soft_break = ($qp_mode) ? sprintf(" =%s", $this->LE) : $this->LE;
        // If utf-8 encoding is used, we will need to make sure we don't
        // split multibyte characters when we wrap
        $is_utf8 = (strtolower($this->CharSet) == "utf-8");

        $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 = $space_left;
                            if ($is_utf8) {
                                $len = $this->UTF8CharBoundary($word, $len);
                            } elseif (substr($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 = $length;
                        if ($is_utf8) {
                            $len = $this->UTF8CharBoundary($word, $len);
                        } elseif (substr($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;
    }

    /**
     * Finds last character boundary prior to maxLength in a utf-8
     * quoted (printable) encoded string.
     * Original written by Colin Brown.
     *
     * @param string $encodedText utf-8 QP text
     * @param int    $maxLength   find last character boundary prior to this length
     *
     * @return int
     */
    public function UTF8CharBoundary($encodedText, $maxLength)
    {
        $foundSplitPos = false;
        $lookBack = 3;
        while (!$foundSplitPos) {
            $lastChunk = substr($encodedText, $maxLength - $lookBack, $lookBack);
            $encodedCharPos = strpos($lastChunk, "=");
            if ($encodedCharPos !== false) {
                // Found start of encoded character byte within $lookBack block.
                // Check the encoded byte value (the 2 chars after the '=')
                $hex = substr($encodedText, $maxLength - $lookBack + $encodedCharPos + 1, 2);
                $dec = hexdec($hex);
                if ($dec < 128) { // Single byte character.
                    // If the encoded char was found at pos 0, it will fit
                    // otherwise reduce maxLength to start of the encoded char
                    $maxLength = ($encodedCharPos == 0) ? $maxLength :
          $maxLength - ($lookBack - $encodedCharPos);
                    $foundSplitPos = true;
                } elseif ($dec >= 192) { // First byte of a multi byte character
                    // Reduce maxLength to split at start of character
                    $maxLength = $maxLength - ($lookBack - $encodedCharPos);
                    $foundSplitPos = true;
                } elseif ($dec < 192) { // Middle byte of a multi byte character, look further back
                    $lookBack += 3;
                }
            } else {
                // No encoded character found
                $foundSplitPos = true;
            }
        }

        return $maxLength;
    }

    /**
     * Set the body wrapping.
     */
    public function SetWordWrap()
    {
        if ($this->WordWrap < 1) {
            return;
        }

        switch ($this->message_type) {
      case 'alt':
      case 'alt_attachments':
        $this->AltBody = $this->WrapText($this->AltBody, $this->WordWrap);
        break;
      default:
        $this->Body = $this->WrapText($this->Body, $this->WordWrap);
        break;
    }
    }

    /**
     * Assembles message header.
     *
     * @return string The assembled header
     */
    public function CreateHeader()
    {
        $result = '';

        // Set the boundaries
        $uniq_id = md5(uniqid(time()));
        $this->boundary[1] = 'b1_'.$uniq_id;
        $this->boundary[2] = 'b2_'.$uniq_id;

        $result .= $this->HeaderLine('Date', self::RFCDate());
        if ($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 ($this->Mailer != 'mail') {
            if ($this->SingleTo === true) {
                foreach ($this->to as $t) {
                    $this->SingleToArray[] = $this->AddrFormat($t);
                }
            } else {
                if (count($this->to) > 0) {
                    $result .= $this->AddrAppend('To', $this->to);
                } elseif (count($this->cc) == 0) {
                    $result .= $this->HeaderLine('To', 'undisclosed-recipients:;');
                }
            }
        }

        $from = [];
        $from[0][0] = trim($this->From);
        $from[0][1] = $this->FromName;
        $result .= $this->AddrAppend('From', $from);

        // sendmail and mail() extract Cc from the header before sending
        if (count($this->cc) > 0) {
            $result .= $this->AddrAppend('Cc', $this->cc);
        }

        // 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', $this->EncodeHeader($this->SecureHeader($this->Subject)));
        }

        if ($this->MessageID != '') {
            $result .= $this->HeaderLine('Message-ID', $this->MessageID);
        } else {
            $result .= sprintf("Message-ID: <%s@%s>%s", $uniq_id, $this->ServerHostname(), $this->LE);
        }
        $result .= $this->HeaderLine('X-Priority', $this->Priority);
        $result .= $this->HeaderLine('X-Mailer', 'PHPMailer '.$this->Version.' (phpmailer.sourceforge.net)');

        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[$index][1])));
        }
        if (!$this->sign_key_file) {
            $result .= $this->HeaderLine('MIME-Version', '1.0');
            $result .= $this->GetMailMIME();
        }

        return $result;
    }

    /**
     * Returns the message MIME.
     *
     * @return string
     */
    public function GetMailMIME()
    {
        $result = '';
        switch ($this->message_type) {
      case 'plain':
        $result .= $this->HeaderLine('Content-Transfer-Encoding', $this->Encoding);
        $result .= sprintf("Content-Type: %s; charset=\"%s\"", $this->ContentType, $this->CharSet);
        break;
      case 'attachments':
      case 'alt_attachments':
        if ($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.
     *
     * @return string The assembled message body
     */
    public function CreateBody()
    {
        $body = '';

        if ($this->sign_key_file) {
            $body .= $this->GetMailMIME();
        }

        $this->SetWordWrap();

        switch ($this->message_type) {
      case 'alt':
        $body .= $this->GetBoundary($this->boundary[1], '', 'text/plain', '');
        $body .= $this->EncodeString($this->AltBody, $this->Encoding);
        $body .= $this->LE.$this->LE;
        $body .= $this->GetBoundary($this->boundary[1], '', 'text/html', '');
        $body .= $this->EncodeString($this->Body, $this->Encoding);
        $body .= $this->LE.$this->LE;
        $body .= $this->EndBoundary($this->boundary[1]);
        break;
      case 'plain':
        $body .= $this->EncodeString($this->Body, $this->Encoding);
        break;
      case 'attachments':
        $body .= $this->GetBoundary($this->boundary[1], '', '', '');
        $body .= $this->EncodeString($this->Body, $this->Encoding);
        $body .= $this->LE;
        $body .= $this->AttachAll();
        break;
      case 'alt_attachments':
        $body .= sprintf("--%s%s", $this->boundary[1], $this->LE);
        $body .= sprintf("Content-Type: %s;%s"."\tboundary=\"%s\"%s", 'multipart/alternative', $this->LE, $this->boundary[2], $this->LE.$this->LE);
        $body .= $this->GetBoundary($this->boundary[2], '', 'text/plain', '').$this->LE; // Create text body
        $body .= $this->EncodeString($this->AltBody, $this->Encoding);
        $body .= $this->LE.$this->LE;
        $body .= $this->GetBoundary($this->boundary[2], '', 'text/html', '').$this->LE; // Create the HTML body
        $body .= $this->EncodeString($this->Body, $this->Encoding);
        $body .= $this->LE.$this->LE;
        $body .= $this->EndBoundary($this->boundary[2]);
        $body .= $this->AttachAll();
        break;
    }

        if ($this->IsError()) {
            $body = '';
        } elseif ($this->sign_key_file) {
            try {
                $file = tempnam('', 'mail');
                file_put_contents($file, $body); //TODO check this worked
                $signed = tempnam("", "signed");
                if (@openssl_pkcs7_sign($file, $signed, "file://".$this->sign_cert_file, ["file://".$this->sign_key_file, $this->sign_key_pass], null)) {
                    @unlink($file);
                    @unlink($signed);
                    $body = file_get_contents($signed);
                } else {
                    @unlink($file);
                    @unlink($signed);
                    throw new phpmailerException($this->Lang("signing").openssl_error_string());
                }
            } catch (phpmailerException $e) {
                $body = '';
                if ($this->exceptions) {
                    throw $e;
                }
            }
        }

        return $body;
    }

    /**
     *  Returns a formatted header line.
     *
     * @return string
     */
    public function HeaderLine($name, $value)
    {
        return $name.': '.$value.$this->LE;
    }

    /**
     * Returns a formatted mail line.
     *
     * @return string
     */
    public function TextLine($value)
    {
        return $value.$this->LE;
    }

    /////////////////////////////////////////////////
    // CLASS METHODS, ATTACHMENTS
    /////////////////////////////////////////////////

    /**
     * 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 $type     file extension (MIME) type
     *
     * @return bool
     */
    public function AddAttachment($path, $name = '', $encoding = 'base64', $type = 'application/octet-stream')
    {
        try {
            if (!@is_file($path)) {
                throw new phpmailerException($this->Lang('file_access').$path, self::STOP_CONTINUE);
            }
            $filename = basename($path);
            if ($name == '') {
                $name = $filename;
            }

            $this->attachment[] = [
        0 => $path,
        1 => $filename,
        2 => $name,
        3 => $encoding,
        4 => $type,
        5 => false,  // isStringAttachment
        6 => 'attachment',
        7 => 0,
      ];
        } catch (phpmailerException $e) {
            $this->SetError($e->getMessage());
            if ($this->exceptions) {
                throw $e;
            }
            error_log($e->getMessage()."\n");
            if ($e->getCode() == self::STOP_CRITICAL) {
                return false;
            }
        }

        return true;
    }

    /**
     * Return the current array of attachments.
     *
     * @return array
     */
    public function GetAttachments()
    {
        return $this->attachment;
    }

    /**
     * Encodes string to requested format.
     * Returns an empty string on failure.
     *
     * @param string $str      The text to encode
     * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
     *
     * @return string
     */
    public function EncodeString($str, $encoding = 'base64')
    {
        $encoded = '';
        switch (strtolower($encoding)) {
      case 'base64':
        $encoded = chunk_split(base64_encode($str), 76, $this->LE);
        break;
      case '7bit':
      case '8bit':
        $encoded = $this->FixEOL($str);
        //Make sure it ends with a line break
        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 (shortest) of Q, B, quoted or none.
     *
     * @return string
     */
    public 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
        // no break
      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';
            // Modified by Ivan Tcholakov, 24-JAN-2010.
            //if (function_exists('mb_strlen') && $this->HasMultiBytes($str))
            if ($this->HasMultiBytes($str)) {
                //
                // Use a custom function which correctly encodes and wraps long
                // multibyte strings without breaking lines within a character
                $encoded = $this->Base64EncodeWrapMB($str);
            } else {
                $encoded = base64_encode($str);
                $maxlen -= $maxlen % 4;
                $encoded = trim(chunk_split($encoded, $maxlen, "\n"));
            }
        } else {
            if ($this->HasMultiBytes($str)) {
                // Although the string might be long, processing UTF-8 long strings with the Q encoding
                // generates issues which can be avoided encoding in Base64
                $encoding = 'B';
                $encoded = $this->Base64EncodeWrapMB($str);
            } 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;
    }

    /**
     * Checks if a string contains multibyte characters.
     *
     * @param string $str multi-byte text to wrap encode
     *
     * @return bool
     */
    public function HasMultiBytes($str)
    {
        if (function_exists('mb_strlen')) {
            return strlen($str) > mb_strlen($str, $this->CharSet);
        } else { // Assume no multibytes (we can't handle without mbstring functions anyway)
            return false;
        }
    }

    /**
     * Correctly encodes and wraps long multibyte strings for mail headers
     * without breaking lines within a character.
     * Adapted from a function by paravoid at http://uk.php.net/manual/en/function.mb-encode-mimeheader.php.
     *
     * @param string $str multi-byte text to wrap encode
     *
     * @return string
     */
    public function Base64EncodeWrapMB($str)
    {
        $start = "=?".$this->CharSet."?B?";
        $end = "?=";
        $encoded = "";

        // Modified by Ivan Tcholakov, 24-JAN-2010.
        //$mb_length = mb_strlen($str, $this->CharSet);
        $mb_length = api_strlen($str, $this->CharSet);
        //
        // Each line must have length <= 75, including $start and $end
        $length = 75 - strlen($start) - strlen($end);
        // Average multi-byte ratio
        $ratio = $mb_length / strlen($str);
        // Base64 has a 4:3 ratio
        $offset = $avgLength = floor($length * $ratio * .75);

        for ($i = 0; $i < $mb_length; $i += $offset) {
            $lookBack = 0;

            do {
                $offset = $avgLength - $lookBack;
                // Modified by Ivan Tcholakov, 24-JAN-2010.
                //$chunk = mb_substr($str, $i, $offset, $this->CharSet);
                $chunk = api_substr($str, $i, $offset, $this->CharSet);

                $chunk = base64_encode($chunk);
                $lookBack++;
            } while (strlen($chunk) > $length);

            $encoded .= $chunk.$this->LE;
        }

        // Chomp the last linefeed
        $encoded = substr($encoded, 0, -strlen($this->LE));

        return $encoded;
    }

    /**
     * Encode string to quoted-printable.
     * Only uses standard PHP, slow, but will always work.
     *
     * @param string $string   the text to encode
     * @param int    $line_max Number of chars allowed on a line before wrapping
     *
     * @return string
     */
    public function EncodeQPphp($input = '', $line_max = 76, $space_conv = false)
    {
        $hex = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'];
        $lines = preg_split('/(?:\r\n|\r|\n)/', $input);
        $eol = "\r\n";
        $escape = '=';
        $output = '';
        while (list(, $line) = each($lines)) {
            $linlen = strlen($line);
            $newline = '';
            for ($i = 0; $i < $linlen; $i++) {
                $c = substr($line, $i, 1);
                $dec = ord($c);
                if (($i == 0) && ($dec == 46)) { // convert first point in the line into =2E
                    $c = '=2E';
                }
                if ($dec == 32) {
                    if ($i == ($linlen - 1)) { // convert space at eol only
                        $c = '=20';
                    } elseif ($space_conv) {
                        $c = '=20';
                    }
                } elseif (($dec == 61) || ($dec < 32) || ($dec > 126)) { // always encode "\t", which is *not* required
                    $h2 = floor($dec / 16);
                    $h1 = floor($dec % 16);
                    $c = $escape.$hex[$h2].$hex[$h1];
                }
                if ((strlen($newline) + strlen($c)) >= $line_max) { // CRLF is not counted
          $output .= $newline.$escape.$eol; //  soft line break; " =\r\n" is okay
          $newline = '';
                    // check if newline first character will be point or not
                    if ($dec == 46) {
                        $c = '=2E';
                    }
                }
                $newline .= $c;
            } // end of for
            $output .= $newline.$eol;
        } // end of while
        return $output;
    }

    /**
     * Encode string to RFC2045 (6.7) quoted-printable format
     * Uses a PHP5 stream filter to do the encoding about 64x faster than the old version
     * Also results in same content as you started with after decoding.
     *
     * @see EncodeQPphp()
     *
     * @param string $string     the text to encode
     * @param int    $line_max   Number of chars allowed on a line before wrapping
     * @param bool   $space_conv Dummy param for compatibility with existing EncodeQP function
     *
     * @return string
     *
     * @author Marcus Bointon
     */
    public function EncodeQP($string, $line_max = 76, $space_conv = false)
    {
        if (function_exists('quoted_printable_encode')) { //Use native function if it's available (>= PHP5.3)
            return quoted_printable_encode($string);
        }
        $filters = stream_get_filters();
        if (!in_array('convert.*', $filters)) { //Got convert stream filter?
      return $this->EncodeQPphp($string, $line_max, $space_conv); //Fall back to old implementation
        }
        $fp = fopen('php://temp/', 'r+');
        $string = preg_replace('/\r\n?/', $this->LE, $string); //Normalise line breaks
        $params = ['line-length' => $line_max, 'line-break-chars' => $this->LE];
        $s = stream_filter_append($fp, 'convert.quoted-printable-encode', STREAM_FILTER_READ, $params);
        fputs($fp, $string);
        rewind($fp);
        $out = stream_get_contents($fp);
        stream_filter_remove($s);
        $out = preg_replace('/^\./m', '=2E', $out); //Encode . if it is first char on a line, workaround for bug in Exchange
        fclose($fp);

        return $out;
    }

    /**
     * Encode string to q encoding.
     *
     * @see http://tools.ietf.org/html/rfc2047
     *
     * @param string $str      the text to encode
     * @param string $position Where the text is going to be used, see the RFC for what that means
     *
     * @return string
     */
    public function EncodeQ($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);
        // no break
      case 'text':
      default:
        // Replace every high ascii, control =, ? and _ characters
        //TODO using /e (equivalent to eval()) is probably not a good idea
        $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 $type     file extension (MIME) type
     */
    public function AddStringAttachment($string, $filename, $encoding = 'base64', $type = 'application/octet-stream')
    {
        // Append to $attachment array
        $this->attachment[] = [
      0 => $string,
      1 => $filename,
      2 => basename($filename),
      3 => $encoding,
      4 => $type,
      5 => true,  // isStringAttachment
      6 => 'attachment',
      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 $type     file extension (MIME) type
     *
     * @return bool
     */
    public function AddEmbeddedImage($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
        $this->attachment[] = [
      0 => $path,
      1 => $filename,
      2 => $name,
      3 => $encoding,
      4 => $type,
      5 => false,  // isStringAttachment
      6 => 'inline',
      7 => $cid,
    ];

        return true;
    }

    /**
     * Returns true if an inline attachment is present.
     *
     * @return bool
     */
    public function InlineImageExists()
    {
        foreach ($this->attachment as $attachment) {
            if ($attachment[6] == 'inline') {
                return true;
            }
        }

        return false;
    }

    /////////////////////////////////////////////////
    // CLASS METHODS, MESSAGE RESET
    /////////////////////////////////////////////////

    /**
     * Clears all recipients assigned in the TO array.  Returns void.
     */
    public function ClearAddresses()
    {
        foreach ($this->to as $to) {
            unset($this->all_recipients[strtolower($to[0])]);
        }
        $this->to = [];
    }

    /**
     * Clears all recipients assigned in the CC array.  Returns void.
     */
    public function ClearCCs()
    {
        foreach ($this->cc as $cc) {
            unset($this->all_recipients[strtolower($cc[0])]);
        }
        $this->cc = [];
    }

    /**
     * Clears all recipients assigned in the BCC array.  Returns void.
     */
    public function ClearBCCs()
    {
        foreach ($this->bcc as $bcc) {
            unset($this->all_recipients[strtolower($bcc[0])]);
        }
        $this->bcc = [];
    }

    /**
     * Clears all recipients assigned in the ReplyTo array.  Returns void.
     */
    public function ClearReplyTos()
    {
        $this->ReplyTo = [];
    }

    /**
     * Clears all recipients assigned in the TO, CC and BCC
     * array.  Returns void.
     */
    public function ClearAllRecipients()
    {
        $this->to = [];
        $this->cc = [];
        $this->bcc = [];
        $this->all_recipients = [];
    }

    /**
     * Clears all previously set filesystem, string, and binary
     * attachments.  Returns void.
     */
    public function ClearAttachments()
    {
        $this->attachment = [];
    }

    /**
     * Clears all custom headers.  Returns void.
     */
    public function ClearCustomHeaders()
    {
        $this->CustomHeader = [];
    }

    /**
     * Returns the proper RFC 822 formatted date.
     *
     * @return string
     * @static
     */
    public static function RFCDate()
    {
        $tz = date('Z');
        $tzs = ($tz < 0) ? '-' : '+';
        $tz = abs($tz);
        $tz = (int) ($tz / 3600) * 100 + ($tz % 3600) / 60;
        $result = sprintf("%s %s%04d", date('D, j M Y H:i:s'), $tzs, $tz);

        return $result;
    }

    /**
     * Returns true if an error occurred.
     *
     * @return bool
     */
    public function IsError()
    {
        return $this->error_count > 0;
    }

    /**
     * Adds a custom header.
     */
    public function AddCustomHeader($custom_header)
    {
        $this->CustomHeader[] = explode(':', $custom_header, 2);
    }

    /**
     * Evaluates the message and returns modifications for inline images and backgrounds.
     *
     * @return $message
     */
    public function MsgHTML($message, $basedir = '')
    {
        preg_match_all("/(src|background)=\"(.*)\"/Ui", $message, $images);
        if (isset($images[2])) {
            foreach ($images[2] as $i => $url) {
                // do not change urls for absolute images (thanks to corvuscorax)
                if (!preg_match('#^[A-z]+://#', $url)) {
                    $filename = basename($url);
                    $directory = dirname($url);
                    ($directory == '.') ? $directory = '' : '';
                    $cid = 'cid:'.md5($filename);
                    $ext = pathinfo($filename, PATHINFO_EXTENSION);
                    $mimeType = self::_mime_types($ext);
                    if (strlen($basedir) > 1 && substr($basedir, -1) != '/') {
                        $basedir .= '/';
                    }
                    if (strlen($directory) > 1 && substr($directory, -1) != '/') {
                        $directory .= '/';
                    }
                    if ($this->AddEmbeddedImage($basedir.$directory.$filename, md5($filename), $filename, 'base64', $mimeType)) {
                        $message = preg_replace("/".$images[1][$i]."=\"".preg_quote($url, '/')."\"/Ui", $images[1][$i]."=\"".$cid."\"", $message);
                    }
                }
            }
        }
        $this->IsHTML(true);
        $this->Body = $message;
        $textMsg = trim(strip_tags(preg_replace('/<(head|title|style|script)[^>]*>.*?<\/\\1>/s', '', $message)));
        if (!empty($textMsg) && empty($this->AltBody)) {
            $this->AltBody = html_entity_decode($textMsg);
        }
        if (empty($this->AltBody)) {
            $this->AltBody = 'To view this email message, open it in a program that understands HTML!'."\n\n";
        }
    }

    /**
     * Gets the MIME type of the embedded or inline image.
     *
     * @param string File extension
     *
     * @return string MIME type of ext
     * @static
     */
    public static function _mime_types($ext = '')
    {
        $mimes = [
      'hqx' => 'application/mac-binhex40',
      'cpt' => 'application/mac-compactpro',
      'doc' => 'application/msword',
      'bin' => 'application/macbinary',
      'dms' => 'application/octet-stream',
      'lha' => 'application/octet-stream',
      'lzh' => 'application/octet-stream',
      'exe' => 'application/octet-stream',
      'class' => 'application/octet-stream',
      'psd' => 'application/octet-stream',
      'so' => 'application/octet-stream',
      'sea' => 'application/octet-stream',
      'dll' => 'application/octet-stream',
      'oda' => 'application/oda',
      'pdf' => 'application/pdf',
      'ai' => 'application/postscript',
      'eps' => 'application/postscript',
      'ps' => 'application/postscript',
      'smi' => 'application/smil',
      'smil' => 'application/smil',
      'mif' => 'application/vnd.mif',
      'xls' => 'application/vnd.ms-excel',
      'ppt' => 'application/vnd.ms-powerpoint',
      'wbxml' => 'application/vnd.wap.wbxml',
      'wmlc' => 'application/vnd.wap.wmlc',
      'dcr' => 'application/x-director',
      'dir' => 'application/x-director',
      'dxr' => 'application/x-director',
      'dvi' => 'application/x-dvi',
      'gtar' => 'application/x-gtar',
      'php' => 'application/x-httpd-php',
      'php4' => 'application/x-httpd-php',
      'php3' => 'application/x-httpd-php',
      'phtml' => 'application/x-httpd-php',
      'phps' => 'application/x-httpd-php-source',
      'js' => 'application/x-javascript',
      'swf' => 'application/x-shockwave-flash',
      'sit' => 'application/x-stuffit',
      'tar' => 'application/x-tar',
      'tgz' => 'application/x-tar',
      'xhtml' => 'application/xhtml+xml',
      'xht' => 'application/xhtml+xml',
      'zip' => 'application/zip',
      'mid' => 'audio/midi',
      'midi' => 'audio/midi',
      'mpga' => 'audio/mpeg',
      'mp2' => 'audio/mpeg',
      'mp3' => 'audio/mpeg',
      'aif' => 'audio/x-aiff',
      'aiff' => 'audio/x-aiff',
      'aifc' => 'audio/x-aiff',
      'ram' => 'audio/x-pn-realaudio',
      'rm' => 'audio/x-pn-realaudio',
      'rpm' => 'audio/x-pn-realaudio-plugin',
      'ra' => 'audio/x-realaudio',
      'rv' => 'video/vnd.rn-realvideo',
      'wav' => 'audio/x-wav',
      'bmp' => 'image/bmp',
      'gif' => 'image/gif',
      'jpeg' => 'image/jpeg',
      'jpg' => 'image/jpeg',
      'jpe' => 'image/jpeg',
      'png' => 'image/png',
      'tiff' => 'image/tiff',
      'tif' => 'image/tiff',
      'css' => 'text/css',
      'html' => 'text/html',
      'htm' => 'text/html',
      'shtml' => 'text/html',
      'txt' => 'text/plain',
      'text' => 'text/plain',
      'log' => 'text/plain',
      'rtx' => 'text/richtext',
      'rtf' => 'text/rtf',
      'xml' => 'text/xml',
      'xsl' => 'text/xml',
      'mpeg' => 'video/mpeg',
      'mpg' => 'video/mpeg',
      'mpe' => 'video/mpeg',
      'qt' => 'video/quicktime',
      'mov' => 'video/quicktime',
      'avi' => 'video/x-msvideo',
      'movie' => 'video/x-sgi-movie',
      'doc' => 'application/msword',
      'word' => 'application/msword',
      'xl' => 'application/excel',
      'eml' => 'message/rfc822',
    ];

        return (!isset($mimes[strtolower($ext)])) ? 'application/octet-stream' : $mimes[strtolower($ext)];
    }

    /**
     * Set (or reset) Class Objects (variables).
     *
     * Usage Example:
     * $page->set('X-Priority', '3');
     *
     * @param string $name  Parameter Name
     * @param mixed  $value Parameter Value
     *                      NOTE: will not work with arrays, there are no arrays to set/reset
     *
     * @todo Should this not be using __set() magic function?
     */
    public function set($name, $value = '')
    {
        try {
            if (isset($this->$name)) {
                $this->$name = $value;
            } else {
                throw new phpmailerException($this->Lang('variable_set').$name, self::STOP_CRITICAL);
            }
        } catch (Exception $e) {
            $this->SetError($e->getMessage());
            if ($e->getCode() == self::STOP_CRITICAL) {
                return false;
            }
        }

        return true;
    }

    /**
     * Strips newlines to prevent header injection.
     *
     * @param string $str String
     *
     * @return string
     */
    public function SecureHeader($str)
    {
        $str = str_replace("\r", '', $str);
        $str = str_replace("\n", '', $str);

        return trim($str);
    }

    /**
     * Set the private key file and password to sign the message.
     *
     * @param string $key_filename Parameter File Name
     * @param string $key_pass     Password for private key
     */
    public function Sign($cert_filename, $key_filename, $key_pass)
    {
        $this->sign_cert_file = $cert_filename;
        $this->sign_key_file = $key_filename;
        $this->sign_key_pass = $key_pass;
    }

    /**
     * Set the private key file and password to sign the message.
     *
     * @param string $key_filename Parameter File Name
     * @param string $key_pass     Password for private key
     */
    public function DKIM_QP($txt)
    {
        $tmp = "";
        $line = "";
        for ($i = 0; $i < strlen($txt); $i++) {
            $ord = ord($txt[$i]);
            if (((0x21 <= $ord) && ($ord <= 0x3A)) || $ord == 0x3C || ((0x3E <= $ord) && ($ord <= 0x7E))) {
                $line .= $txt[$i];
            } else {
                $line .= "=".sprintf("%02X", $ord);
            }
        }

        return $line;
    }

    /**
     * Generate DKIM signature.
     *
     * @param string $s Header
     */
    public function DKIM_Sign($s)
    {
        $privKeyStr = file_get_contents($this->DKIM_private);
        if ($this->DKIM_passphrase != '') {
            $privKey = openssl_pkey_get_private($privKeyStr, $this->DKIM_passphrase);
        } else {
            $privKey = $privKeyStr;
        }
        if (openssl_sign($s, $signature, $privKey)) {
            return base64_encode($signature);
        }
    }

    /**
     * Generate DKIM Canonicalization Header.
     *
     * @param string $s Header
     */
    public function DKIM_HeaderC($s)
    {
        $s = preg_replace("/\r\n\s+/", " ", $s);
        $lines = explode("\r\n", $s);
        foreach ($lines as $key => $line) {
            list($heading, $value) = explode(":", $line, 2);
            $heading = strtolower($heading);
            $value = preg_replace("/\s+/", " ", $value); // Compress useless spaces
      $lines[$key] = $heading.":".trim($value); // Don't forget to remove WSP around the value
        }
        $s = implode("\r\n", $lines);

        return $s;
    }

    /**
     * Generate DKIM Canonicalization Body.
     *
     * @param string $body Message Body
     */
    public function DKIM_BodyC($body)
    {
        if ($body == '') {
            return "\r\n";
        }
        // stabilize line endings
        $body = str_replace("\r\n", "\n", $body);
        $body = str_replace("\n", "\r\n", $body);
        // END stabilize line endings
        while (substr($body, strlen($body) - 4, 4) == "\r\n\r\n") {
            $body = substr($body, 0, strlen($body) - 2);
        }

        return $body;
    }

    /**
     * Create the DKIM header, body, as new header.
     *
     * @param string $headers_line Header lines
     * @param string $subject      Subject
     * @param string $body         Body
     */
    public function DKIM_Add($headers_line, $subject, $body)
    {
        $DKIMsignatureType = 'rsa-sha1'; // Signature & hash algorithms
    $DKIMcanonicalization = 'relaxed/simple'; // Canonicalization of header/body
    $DKIMquery = 'dns/txt'; // Query method
    $DKIMtime = time(); // Signature Timestamp = seconds since 00:00:00 - Jan 1, 1970 (UTC time zone)
    $subject_header = "Subject: $subject";
        $headers = explode("\r\n", $headers_line);
        foreach ($headers as $header) {
            if (strpos($header, 'From:') === 0) {
                $from_header = $header;
            } elseif (strpos($header, 'To:') === 0) {
                $to_header = $header;
            }
        }
        $from = str_replace('|', '=7C', $this->DKIM_QP($from_header));
        $to = str_replace('|', '=7C', $this->DKIM_QP($to_header));
        $subject = str_replace('|', '=7C', $this->DKIM_QP($subject_header)); // Copied header fields (dkim-quoted-printable
        $body = $this->DKIM_BodyC($body);
        $DKIMlen = strlen($body); // Length of body
    $DKIMb64 = base64_encode(pack("H*", sha1($body))); // Base64 of packed binary SHA-1 hash of body
    $ident = ($this->DKIM_identity == '') ? '' : " i=".$this->DKIM_identity.";";
        $dkimhdrs = "DKIM-Signature: v=1; a=".$DKIMsignatureType."; q=".$DKIMquery."; l=".$DKIMlen."; s=".$this->DKIM_selector.";\r\n".
                "\tt=".$DKIMtime."; c=".$DKIMcanonicalization.";\r\n".
                "\th=From:To:Subject;\r\n".
                "\td=".$this->DKIM_domain.";".$ident."\r\n".
                "\tz=$from\r\n".
                "\t|$to\r\n".
                "\t|$subject;\r\n".
                "\tbh=".$DKIMb64.";\r\n".
                "\tb=";
        $toSign = $this->DKIM_HeaderC($from_header."\r\n".$to_header."\r\n".$subject_header."\r\n".$dkimhdrs);
        $signed = $this->DKIM_Sign($toSign);

        return "X-PHPMAILER-DKIM: phpmailer.worxware.com\r\n".$dkimhdrs.$signed."\r\n";
    }

    /**
     * Sends mail using the $Sendmail program.
     *
     * @param string $header The message headers
     * @param string $body   The message body
     *
     * @return bool
     */
    protected function SendmailSend($header, $body)
    {
        if (!(is_file($this->Sendmail) and is_executable($this->Sendmail))) {
            throw new phpmailerException(
              $this->lang('execute').$this->Sendmail,
              self::STOP_CRITICAL
          );
        }
        if (!empty($this->Sender) and $this->validateAddress($this->Sender)) {
            if ($this->Mailer == 'qmail') {
                $sendmail = sprintf(
                  '%s -f%s',
                  escapeshellcmd($this->Sendmail),
                  escapeshellarg($this->Sender)
              );
            } else {
                $sendmail = sprintf(
                  '%s -oi -f%s -t',
                  escapeshellcmd($this->Sendmail),
                  escapeshellarg($this->Sender)
              );
            }
        } else {
            if ($this->Mailer == 'qmail') {
                $sendmail = sprintf('%s', escapeshellcmd($this->Sendmail));
            } else {
                $sendmail = sprintf('%s -oi -t', escapeshellcmd($this->Sendmail));
            }
        }
        if ($this->SingleTo === true) {
            foreach ($this->SingleToArray as $key => $val) {
                if (!@$mail = popen($sendmail, 'w')) {
                    throw new phpmailerException($this->Lang('execute').$this->Sendmail, self::STOP_CRITICAL);
                }
                fputs($mail, "To: ".$val."\n");
                fputs($mail, $header);
                fputs($mail, $body);
                $result = pclose($mail);
                // implement call back function if it exists
                $isSent = ($result == 0) ? 1 : 0;
                $this->doCallback($isSent, $val, $this->cc, $this->bcc, $this->Subject, $body);
                if ($result != 0) {
                    throw new phpmailerException($this->Lang('execute').$this->Sendmail, self::STOP_CRITICAL);
                }
            }
        } else {
            if (!@$mail = popen($sendmail, 'w')) {
                throw new phpmailerException($this->Lang('execute').$this->Sendmail, self::STOP_CRITICAL);
            }
            fputs($mail, $header);
            fputs($mail, $body);
            $result = pclose($mail);
            // implement call back function if it exists
            $isSent = ($result == 0) ? 1 : 0;
            $this->doCallback($isSent, $this->to, $this->cc, $this->bcc, $this->Subject, $body);
            if ($result != 0) {
                throw new phpmailerException($this->Lang('execute').$this->Sendmail, self::STOP_CRITICAL);
            }
        }

        return true;
    }

    /**
     * Sends mail using the PHP mail() function.
     *
     * @param string $header The message headers
     * @param string $body   The message body
     *
     * @return bool
     */
    protected function MailSend($header, $body)
    {
        $toArr = [];
        foreach ($this->to as $t) {
            $toArr[] = $this->AddrFormat($t);
        }
        $to = implode(', ', $toArr);

        $params = sprintf("-oi -f %s", $this->Sender);
        if (!empty($this->Sender) and !ini_get('safe_mode') and $this->validateAddress($this->Sender)) {
            $old_from = ini_get('sendmail_from');
            ini_set('sendmail_from', $this->Sender);
            if ($this->SingleTo === true && count($toArr) > 1) {
                foreach ($toArr as $key => $val) {
                    $rt = @mail($val, $this->EncodeHeader($this->SecureHeader($this->Subject)), $body, $header, $params);
                    // implement call back function if it exists
                    $isSent = ($rt == 1) ? 1 : 0;
                    $this->doCallback($isSent, $val, $this->cc, $this->bcc, $this->Subject, $body);
                }
            } else {
                $rt = @mail($to, $this->EncodeHeader($this->SecureHeader($this->Subject)), $body, $header, $params);
                // implement call back function if it exists
                $isSent = ($rt == 1) ? 1 : 0;
                $this->doCallback($isSent, $to, $this->cc, $this->bcc, $this->Subject, $body);
            }
        } else {
            if ($this->SingleTo === true && count($toArr) > 1) {
                foreach ($toArr as $key => $val) {
                    $rt = @mail($val, $this->EncodeHeader($this->SecureHeader($this->Subject)), $body, $header, $params);
                    // implement call back function if it exists
                    $isSent = ($rt == 1) ? 1 : 0;
                    $this->doCallback($isSent, $val, $this->cc, $this->bcc, $this->Subject, $body);
                }
            } else {
                $rt = @mail($to, $this->EncodeHeader($this->SecureHeader($this->Subject)), $body, $header);
                // implement call back function if it exists
                $isSent = ($rt == 1) ? 1 : 0;
                $this->doCallback($isSent, $to, $this->cc, $this->bcc, $this->Subject, $body);
            }
        }
        if (isset($old_from)) {
            ini_set('sendmail_from', $old_from);
        }
        if (!$rt) {
            throw new phpmailerException($this->Lang('instantiate'), self::STOP_CRITICAL);
        }

        return true;
    }

    /**
     * Sends mail via SMTP using PhpSMTP
     * Returns false if there is a bad MAIL FROM, RCPT, or DATA input.
     *
     * @param string $header The message headers
     * @param string $body   The message body
     *
     * @uses \SMTP
     *
     * @return bool
     */
    protected function SmtpSend($header, $body)
    {
        require_once $this->PluginDir.'class.smtp.php';
        $bad_rcpt = [];

        if (!$this->SmtpConnect()) {
            throw new phpmailerException($this->Lang('smtp_connect_failed'), self::STOP_CRITICAL);
        }

        if (!empty($this->Sender) and $this->validateAddress($this->Sender)) {
            $smtp_from = $this->Sender;
        } else {
            $smtp_from = $this->From;
        }
        if (!$this->smtp->Mail($smtp_from)) {
            throw new phpmailerException($this->Lang('from_failed').$smtp_from, self::STOP_CRITICAL);
        }

        // Attempt to send attach all recipients
        foreach ($this->to as $to) {
            if (!$this->smtp->Recipient($to[0])) {
                $bad_rcpt[] = $to[0];
                // implement call back function if it exists
                $isSent = 0;
                $this->doCallback($isSent, $to[0], '', '', $this->Subject, $body);
            } else {
                // implement call back function if it exists
                $isSent = 1;
                $this->doCallback($isSent, $to[0], '', '', $this->Subject, $body);
            }
        }
        foreach ($this->cc as $cc) {
            if (!$this->smtp->Recipient($cc[0])) {
                $bad_rcpt[] = $cc[0];
                // implement call back function if it exists
                $isSent = 0;
                $this->doCallback($isSent, '', $cc[0], '', $this->Subject, $body);
            } else {
                // implement call back function if it exists
                $isSent = 1;
                $this->doCallback($isSent, '', $cc[0], '', $this->Subject, $body);
            }
        }
        foreach ($this->bcc as $bcc) {
            if (!$this->smtp->Recipient($bcc[0])) {
                $bad_rcpt[] = $bcc[0];
                // implement call back function if it exists
                $isSent = 0;
                $this->doCallback($isSent, '', '', $bcc[0], $this->Subject, $body);
            } else {
                // implement call back function if it exists
                $isSent = 1;
                $this->doCallback($isSent, '', '', $bcc[0], $this->Subject, $body);
            }
        }

        if (count($bad_rcpt) > 0) { //Create error message for any bad addresses
            $badaddresses = implode(', ', $bad_rcpt);
            throw new phpmailerException($this->Lang('recipients_failed').$badaddresses);
        }
        if (!$this->smtp->Data($header.$body)) {
            throw new phpmailerException($this->Lang('data_not_accepted'), self::STOP_CRITICAL);
        }
        if ($this->SMTPKeepAlive == true) {
            $this->smtp->Reset();
        }

        return true;
    }

    /////////////////////////////////////////////////
    // CLASS METHODS, MISCELLANEOUS
    /////////////////////////////////////////////////

    /**
     * Adds the error message to the error container.
     */
    protected function SetError($msg)
    {
        $this->error_count++;
        if ($this->Mailer == 'smtp' and !is_null($this->smtp)) {
            $lasterror = $this->smtp->getError();
            if (!empty($lasterror) and array_key_exists('smtp_msg', $lasterror)) {
                $msg .= '<p>'.$this->Lang('smtp_error').$lasterror['smtp_msg']."</p>\n";
            }
        }
        $this->ErrorInfo = $msg;
    }

    protected function doCallback($isSent, $to, $cc, $bcc, $subject, $body)
    {
        if (!empty($this->action_function) && function_exists($this->action_function)) {
            $params = [$isSent, $to, $cc, $bcc, $subject, $body];
            call_user_func_array($this->action_function, $params);
        }
    }

    /**
     * Adds an address to one of the recipient arrays
     * Addresses that have been added already return false, but do not throw exceptions.
     *
     * @param string $kind    One of 'to', 'cc', 'bcc', 'ReplyTo'
     * @param string $address The email address to send to
     * @param string $name
     *
     * @return bool true on success, false if address already used or invalid in some way
     */
    private function AddAnAddress($kind, $address, $name = '')
    {
        if (!preg_match('/^(to|cc|bcc|ReplyTo)$/', $kind)) {
            error_log('Invalid recipient array: '.$kind);

            return false;
        }
        $address = trim($address);
        $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
        if (!self::ValidateAddress($address)) {
            $this->SetError($this->Lang('invalid_address').': '.$address);
            if ($this->exceptions) {
                throw new phpmailerException($this->Lang('invalid_address').': '.$address);
            }
            error_log($this->Lang('invalid_address').': '.$address);

            return false;
        }
        if ($kind != 'ReplyTo') {
            if (!isset($this->all_recipients[strtolower($address)])) {
                array_push($this->$kind, [$address, $name]);
                $this->all_recipients[strtolower($address)] = true;

                return true;
            }
        } else {
            if (!array_key_exists(strtolower($address), $this->ReplyTo)) {
                $this->ReplyTo[strtolower($address)] = [$address, $name];

                return true;
            }
        }

        return false;
    }

    /**
     * Returns the start of a message boundary.
     */
    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.
     */
    private function EndBoundary($boundary)
    {
        return $this->LE.'--'.$boundary.'--'.$this->LE;
    }

    /**
     * Sets the message type.
     */
    private 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';
            }
        }
    }

    /**
     * Attaches all fs, string, and binary attachments to the message.
     * Returns an empty string on failure.
     *
     * @return string
     */
    private function AttachAll()
    {
        // Return text of body
        $mime = [];
        $cidUniq = [];
        $incl = [];

        // Add all attachments
        foreach ($this->attachment as $attachment) {
            // Check for string attachment
            $bString = $attachment[5];
            if ($bString) {
                $string = $attachment[0];
            } else {
                $path = $attachment[0];
            }

            if (in_array($attachment[0], $incl)) {
                continue;
            }
            $filename = $attachment[1];
            $name = $attachment[2];
            $encoding = $attachment[3];
            $type = $attachment[4];
            $disposition = $attachment[6];
            $cid = $attachment[7];
            $incl[] = $attachment[0];
            if ($disposition == 'inline' && isset($cidUniq[$cid])) {
                continue;
            }
            $cidUniq[$cid] = true;

            $mime[] = sprintf("--%s%s", $this->boundary[1], $this->LE);
            $mime[] = sprintf("Content-Type: %s; name=\"%s\"%s", $type, $this->EncodeHeader($this->SecureHeader($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, $this->EncodeHeader($this->SecureHeader($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.
     *
     * @param string $path     The full path to the file
     * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
     *
     * @see EncodeFile()
     *
     * @return string
     */
    private function EncodeFile($path, $encoding = 'base64')
    {
        try {
            if (!is_readable($path)) {
                throw new phpmailerException($this->Lang('file_open').$path, self::STOP_CONTINUE);
            }
            $magic_quotes = get_magic_quotes_runtime();
            if ($magic_quotes) {
                if (version_compare(PHP_VERSION, '5.3.0', '<')) {
                    set_magic_quotes_runtime(0);
                } else {
                    ini_set('magic_quotes_runtime', 0);
                }
            }
            $file_buffer = file_get_contents($path);
            $file_buffer = $this->EncodeString($file_buffer, $encoding);
            if ($magic_quotes) {
                if (version_compare(PHP_VERSION, '5.3.0', '<')) {
                    set_magic_quotes_runtime($magic_quotes);
                } else {
                    ini_set('magic_quotes_runtime', $magic_quotes);
                }
            }

            return $file_buffer;
        } catch (Exception $e) {
            $this->SetError($e->getMessage());

            return '';
        }
    }

    /**
     * Returns the server hostname or 'localhost.localdomain' if unknown.
     *
     * @return string
     */
    private function ServerHostname()
    {
        if (!empty($this->Hostname)) {
            $result = $this->Hostname;
        } elseif (isset($_SERVER['SERVER_NAME'])) {
            $result = $_SERVER['SERVER_NAME'];
        } else {
            $result = 'localhost.localdomain';
        }

        return $result;
    }

    /**
     * Returns a message in the appropriate language.
     *
     * @return string
     */
    private 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;
        }
    }

    /**
     * Changes every end of line from CR or LF to CRLF.
     *
     * @return string
     */
    private 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;
    }
}

class phpmailerException extends Exception
{
    public function errorMessage()
    {
        $errorMsg = '<strong>'.$this->getMessage()."</strong><br />\n";

        return $errorMsg;
    }
}