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class.phpmailer.php
2048 lines (1836 loc) · 62.5 KB
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class.phpmailer.php
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<?php
/*~ class.phpmailer.php
.---------------------------------------------------------------------------.
| Software: PHPMailer - PHP email class |
| Version: 2.3 |
| Contact: via sourceforge.net support pages (also www.codeworxtech.com) |
| Info: http://phpmailer.sourceforge.net |
| Support: http://sourceforge.net/projects/phpmailer/ |
| ------------------------------------------------------------------------- |
| Author: Andy Prevost (project admininistrator) |
| Author: Brent R. Matzelle (original founder) |
| Copyright (c) 2004-2007, 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.codeworxtech.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: Designed for use with PHP version 5 and up
* @package PHPMailer
* @author Andy Prevost
* @copyright 2004 - 2008 Andy Prevost
* @license http://www.gnu.org/copyleft/lesser.html Distributed under the Lesser General Public License (LGPL)
* @version $Id$
*/
/**
* PHPMailer - PHP email transport class
* @package PHPMailer
* @author Andy Prevost
*/
class PHPMailer {
/////////////////////////////////////////////////
// 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. This is now only useful if the SMTP class
* is in a different directory than the PHP include path.
* @var string
*/
public $PluginDir = '';
/**
* Holds PHPMailer version.
* @var string
*/
public $Version = "2.3";
/**
* 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;
/**
* Provides the ability to change the line ending
* @var string
*/
public $LE = "\r\n";
/////////////////////////////////////////////////
// PROPERTIES, PRIVATE
/////////////////////////////////////////////////
private $smtp = NULL;
private $to = array();
private $cc = array();
private $bcc = array();
private $ReplyTo = array();
private $all_recipients = array();
private $attachment = array();
private $CustomHeader = array();
private $message_type = '';
private $boundary = array();
private $language = array();
private $error_count = 0;
private $sign_cert_file = "";
private $sign_key_file = "";
private $sign_key_pass = "";
/////////////////////////////////////////////////
// METHODS, VARIABLES
/////////////////////////////////////////////////
/**
* Sets message type to HTML.
* @param bool $bool
* @return void
*/
public function IsHTML($bool) {
if($bool == true) {
$this->ContentType = 'text/html';
} else {
$this->ContentType = 'text/plain';
}
}
/**
* Sets Mailer to send message using SMTP.
* @return void
*/
public function IsSMTP() {
$this->Mailer = 'smtp';
}
/**
* Sets Mailer to send message using PHP mail() function.
* @return void
*/
public function IsMail() {
$this->Mailer = 'mail';
}
/**
* Sets Mailer to send message using the $Sendmail program.
* @return void
*/
public function IsSendmail() {
$this->Mailer = 'sendmail';
}
/**
* Sets Mailer to send message using the qmail MTA.
* @return void
*/
public function IsQmail() {
$this->Sendmail = '/var/qmail/bin/sendmail';
$this->Mailer = 'sendmail';
}
/////////////////////////////////////////////////
// METHODS, RECIPIENTS
/////////////////////////////////////////////////
/**
* Adds a "To" address.
* @param string $address
* @param string $name
* @return boolean true on success, false if addressed already used
* @author Marcus Bointon <coolbru at users.sourceforge.net>
* @author Carl Corliss <rabbitt at users.sourceforge.net>
*/
public function AddAddress($address, $name = '') {
if (!isset($this->all_recipients[strtolower(trim($address))])) {
$this->to[] = array(trim($address), $name);
$this->all_recipients[strtolower(trim($address))] = true;
return true;
}
return false;
}
/**
* Adds a "Cc" address. Note: this function works
* with the SMTP mailer on win32, not with the "mail"
* mailer.
* @param string $address
* @param string $name
* @return boolean true on success, false if addressed already used
*/
public function AddCC($address, $name = '') {
if (!isset($this->all_recipients[strtolower(trim($address))])) {
$this->cc[] = array(trim($address), $name);
$this->all_recipients[strtolower(trim($address))] = true;
return true;
}
return false;
}
/**
* Adds a "Bcc" address. Note: this function works
* with the SMTP mailer on win32, not with the "mail"
* mailer.
* @param string $address
* @param string $name
* @return boolean true on success, false if addressed already used
*/
public function AddBCC($address, $name = '') {
if (!isset($this->all_recipients[strtolower(trim($address))])) {
$this->bcc[] = array(trim($address), $name);
$this->all_recipients[strtolower(trim($address))] = true;
return true;
}
return false;
}
/**
* Adds a "Reply-to" address.
* @param string $address
* @param string $name
* @return void
*/
public function AddReplyTo($address, $name = '') {
$this->ReplyTo[] = array(trim($address), $name);
}
/////////////////////////////////////////////////
// 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() {
$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 'smtp':
$result = $this->SmtpSend($header, $body);
break;
case 'mail':
$result = $this->MailSend($header, $body);
break;
default:
$result = $this->MailSend($header, $body);
break;
//$this->SetError($this->Mailer . $this->Lang('mailer_not_supported'));
//$result = false;
//break;
}
return $result;
}
/**
* Sends mail using the $Sendmail program.
* @access public
* @return bool
*/
public function SendmailSend($header, $body) {
if ($this->Sender != '') {
$sendmail = sprintf("%s -oi -f %s -t", escapeshellcmd($this->Sendmail), escapeshellarg($this->Sender));
} else {
$sendmail = sprintf("%s -oi -t", escapeshellcmd($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);
if (version_compare(phpversion(), '4.2.3') == -1) {
$result = $result >> 8 & 0xFF;
}
if($result != 0) {
$this->SetError($this->Lang('execute') . $this->Sendmail);
return false;
}
return true;
}
/**
* Sends mail using the PHP mail() function.
* @access public
* @return bool
*/
public function MailSend($header, $body) {
$to = '';
for($i = 0; $i < count($this->to); $i++) {
if($i != 0) { $to .= ', '; }
$to .= $this->AddrFormat($this->to[$i]);
}
$toArr = split(',', $to);
$params = sprintf("-oi -f %s", $this->Sender);
if ($this->Sender != '' && strlen(ini_get('safe_mode'))< 1) {
$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);
}
} else {
$rt = @mail($to, $this->EncodeHeader($this->SecureHeader($this->Subject)), $body, $header, $params);
}
} else {
if ($this->SingleTo === true && count($toArr) > 1) {
foreach ($toArr as $key => $val) {
$rt = @mail($val, $this->EncodeHeader($this->SecureHeader($this->Subject)), $body, $header, $params);
}
} else {
$rt = @mail($to, $this->EncodeHeader($this->SecureHeader($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 out the list of recipients to the smtp server, checking
* for a 45X failure while doing so.
*
* @param Array $recipients List of recipients to set up
* @param Array &$bad_recipients Reference to an array that will be filled with the list of recipients who failed during this run
* @param Bool &$was_throttled Reference to a boolean that will bet set based on whether or not the connection appeared to be throttled
* @param Integer &$throttle_total Reference to a total that will be set to the total recipients that were successfully added if throttling happened
* @access public
* @return Bool
* Carl Corliss <rabbitt at users.sourceforge.net>
*/
function SmtpSend_AddRecipients($recipients, &$bad_recipients = array(), &$was_throttled = false, &$throttle_total = -1) {
$total_recipients = count($recipients);
$return_value = true;
for ($i = 0; $i < $total_recipients; $i++) {
if (!$this->smtp->Recipient($recipients[$i])) {
$error = $this->smtp->getLastError();
if (isset($error['smtp_code']) &&
($error['smtp_code'] == 451 || $error['smtp_code'] == 452)) {
$was_throttled = true;
$throttle_total = $i;
$return_value = false;
break;
} else {
$bad_recipients[] = $recipients[$i];
$return_value = false;
}
}
}
return $return_value;
}
/**
* Sends mail via SMTP using PhpSMTP
* Returns false if there is a bad MAIL FROM, RCPT, or DATA input.
* @uses SMTP
* @access public
* @return bool
* @author Chris Ryan
*/
public function SmtpSend($header, $body) {
include_once($this->PluginDir . 'class.smtp.php');
$bad_rcpt = array();
if(!$this->SmtpConnect()) {
return false;
}
$smtp_from = ($this->Sender == '') ? $this->From : $this->Sender;
if(!$this->smtp->Mail($smtp_from)) {
$this->SetError($this->Lang('from_failed') . $smtp_from);
$this->smtp->Reset();
return false;
}
/* Build recipient list */
$all_recipients = array_map(
create_function('$a', 'return $a[0];'),
array_merge($this->to, $this->cc, $this->bcc)
);
/* Attempt to add all recipients (to, cc, and bcc) */
$this->SmtpSend_AddRecipients($all_recipients, $bad_rcpt, $was_throttled, $throttle_total);
// If the attempt failed and it looked like a throttle, split the list into smaller 'buckets'
// and then send each bucket individually. We figure out the size of each bucket based on the
// number of recipients that were accepted before we recieved the throttle 45X error.
if ($was_throttled && $this->smtp->Reset()) {
// Split recipients into roughly equal buckets
for ($i = 0; $i < count($all_recipients); $i++) {
$buckets[$i] = array_splice($all_recipients, 0, $throttle_total);
}
foreach ($buckets as $bucket) {
if (!$this->smtp->Mail($smtp_from)) {
$this->SetError($this->Lang('from_failed') . $smtp_from);
$this->smtp->Reset();
return false;
}
if (!$this->SmtpSend_AddRecipients($bucket, $bad_rcpt, $was_throttled)) {
if (!$was_throttled && !count($bad_rcpt)) {
$this->SetError($this->Lang('recipients_failed') . join(', ', $bucket));
$this->smtp->Reset();
return false;
}
}
if (count($bad_rcpt) > 0) { // Create error message
$this->SetError('Error Unknown: ' . $this->Lang('recipients_failed') . join(', ', $bad_rcpt));
$this->smtp->Reset();
return false;
}
if (!$this->smtp->Data($header . $body)) {
$this->SetError($this->Lang('data_not_accepted'));
$this->smtp->Reset();
return false;
}
$this->smtp->Reset();
}
if ($this->SMTPKeepAlive == true) {
$this->smtp->Reset();
} else {
$this->SmtpClose();
}
} else { // No problems adding recipients - proceed normally
if (count($bad_rcpt) > 0) { // Create error message
$this->SetError('Unknown Error: ' . $this->Lang('recipients_failed') . join(', ', $bad_rcpt));
$this->smtp->Reset();
return false;
}
if (!$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 {
$this->SmtpClose();
}
}
return true;
}
/**
* Initiates a connection to an SMTP server.
* Returns false if the operation failed.
* @uses SMTP
* @access public
* @return bool
*/
public function SmtpConnect() {
if($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) {
$hostinfo = array();
if(eregi('^(.+):([0-9]+)$', $hosts[$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()) {
$this->SetError($this->Lang("tls"));
$this->smtp->Reset();
$connection = false;
}
//We must resend HELLO after tls negociation
$this->smtp->Hello($hello);
}
$connection = true;
if($this->SMTPAuth) {
if(!$this->smtp->Authenticate($this->Username, $this->Password)) {
$this->SetError($this->Lang('authenticate'));
$this->smtp->Reset();
$connection = false;
}
}
}
$index++;
}
if(!$connection) {
$this->SetError($this->Lang('connect_host'));
}
return $connection;
}
/**
* Closes the active SMTP session if one exists.
* @uses SMTP
* @return void
*/
public function SmtpClose() {
if($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 = 'en', $lang_path = 'language/') {
if( !(@include $lang_path.'phpmailer.lang-'.$lang_type.'.php') ) {
$PHPMAILER_LANG = array();
$PHPMAILER_LANG['provide_address'] = 'You must provide at least one recipient email address.';
$PHPMAILER_LANG['mailer_not_supported'] = ' mailer is not supported.';
$PHPMAILER_LANG['execute'] = 'Could not execute: ';
$PHPMAILER_LANG['instantiate'] = 'Could not instantiate mail function.';
$PHPMAILER_LANG['authenticate'] = 'SMTP Error: Could not authenticate.';
$PHPMAILER_LANG['from_failed'] = 'The following From address failed: ';
$PHPMAILER_LANG['recipients_failed'] = 'SMTP Error: The following ' .
$PHPMAILER_LANG['data_not_accepted'] = 'SMTP Error: Data not accepted.';
$PHPMAILER_LANG['connect_host'] = 'SMTP Error: Could not connect to SMTP host.';
$PHPMAILER_LANG['file_access'] = 'Could not access file: ';
$PHPMAILER_LANG['file_open'] = 'File Error: Could not open file: ';
$PHPMAILER_LANG['encoding'] = 'Unknown encoding: ';
$PHPMAILER_LANG['signing'] = 'Signing Error: ';
$PHPMAILER_LANG['smtp_error'] = 'SMTP server error: ';
}
$this->language = $PHPMAILER_LANG;
return true;
}
/////////////////////////////////////////////////
// METHODS, MESSAGE CREATION
/////////////////////////////////////////////////
/**
* Creates recipient headers.
* @access public
* @return string
*/
public function AddrAppend($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 $addr_str;
}
/**
* Formats an address correctly.
* @access public
* @return string
*/
public function AddrFormat($addr) {
if(empty($addr[1])) {
$formatted = $this->SecureHeader($addr[0]);
} else {
$formatted = $this->EncodeHeader($this->SecureHeader($addr[1]), 'phrase') . " <" . $this->SecureHeader($addr[0]) . ">";
}
return $formatted;
}
/**
* Wraps message for use with mailers that do not
* automatically perform wrapping and for quoted-printable.
* Original written by philippe.
* @access public
* @return string
*/
public function WrapText($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.
* @access public
* @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 $maxLength;
}
/**
* Set the body wrapping.
* @access public
* @return void
*/
public function SetWordWrap() {
if($this->WordWrap < 1) {
return;
}
switch($this->message_type) {
case 'alt':
/* fall through */
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.
* @access public
* @return string
*/
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', $this->RFCDate());
if($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', $this->to);
} elseif (count($this->cc) == 0) {
$result .= $this->HeaderLine('To', 'undisclosed-recipients:;');
}
}
$from = array();
$from[0][0] = trim($this->From);
$from[0][1] = $this->FromName;
$result .= $this->AddrAppend('From', $from);
/* sendmail and mail() extract Cc from the header before sending */
if((($this->Mailer == 'sendmail') || ($this->Mailer == 'mail')) && (count($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);
}