<?php
/**
 * PHPMailer - PHP email creation and transport class.
 * PHP Version 5
 * @package PHPMailer
 * @link https://github.com/PHPMailer/PHPMailer/ The PHPMailer GitHub project
 * @author Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
 * @author Jim Jagielski (jimjag) <jimjag@gmail.com>
 * @author Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
 * @author Brent R. Matzelle (original founder)
 * @copyright 2012 - 2014 Marcus Bointon
 * @copyright 2010 - 2012 Jim Jagielski
 * @copyright 2004 - 2009 Andy Prevost
 * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
 * @note 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.
 */

/**
 * PHPMailer - PHP email creation and transport class.
 * @package PHPMailer
 * @author Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
 * @author Jim Jagielski (jimjag) <jimjag@gmail.com>
 * @author Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
 * @author Brent R. Matzelle (original founder)
 */
class PHPMailer {
	/**
	 * Error severity: message only, continue processing.
	 */
	const STOP_MESSAGE = 0;
	/**
	 * Error severity: message, likely ok to continue processing.
	 */
	const STOP_CONTINUE = 1;
	/**
	 * Error severity: message, plus full stop, critical error reached.
	 */
	const STOP_CRITICAL = 2;
	/**
	 * SMTP RFC standard line ending.
	 */
	const CRLF = "\r\n";
	/**
	 * The maximum line length allowed by RFC 2822 section 2.1.1
	 * @var integer
	 */
	const MAX_LINE_LENGTH = 998;
	/**
	 * The PHPMailer Version number.
	 * @var string
	 */
	public $Version = '5.2.14';
	/**
	 * Email priority.
	 * Options: null (default), 1 = High, 3 = Normal, 5 = low.
	 * When null, the header is not set at all.
	 * @var integer
	 */
	public $Priority = null;
	/**
	 * The character set of the message.
	 * @var string
	 */
	public $CharSet = 'utf-8';
	/**
	 * The MIME Content-type of the message.
	 * @var string
	 */
	public $ContentType = 'text/plain';
	/**
	 * The message encoding.
	 * Options: "8bit", "7bit", "binary", "base64", and "quoted-printable".
	 * @var string
	 */
	public $Encoding = '8bit';
	/**
	 * Holds the most recent mailer error message.
	 * @var string
	 */
	public $ErrorInfo = '';
	/**
	 * The From email address for the message.
	 * @var string
	 */
	public $From = 'root@localhost';
	/**
	 * The From name of the message.
	 * @var string
	 */
	public $FromName = 'Root User';
	/**
	 * 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 = '';
	/**
	 * The Return-Path of the message.
	 * If empty, it will be set to either From or Sender.
	 * @var string
	 * @deprecated Email senders should never set a return-path header;
	 * it's the receiver's job (RFC5321 section 4.4), so this no longer does anything.
	 * @link https://tools.ietf.org/html/rfc5321#section-4.4 RFC5321 reference
	 */
	public $ReturnPath = '';
	/**
	 * The Subject of the message.
	 * @var string
	 */
	public $Subject = '';
	/**
	 * An HTML or plain text message body.
	 * If HTML then call isHTML(true).
	 * @var string
	 */
	public $Body = '';
	/**
	 * The plain-text message body.
	 * This body can be read by mail clients that do not have HTML email
	 * capability such as mutt & Eudora.
	 * Clients that can read HTML will view the normal Body.
	 * @var string
	 */
	public $AltBody = '';
	/**
	 * An iCal message part body.
	 * Only supported in simple alt or alt_inline message types
	 * To generate iCal events, use the bundled extras/EasyPeasyICS.php class or iCalcreator
	 * @link http://sprain.ch/blog/downloads/php-class-easypeasyics-create-ical-files-with-php/
	 * @link http://kigkonsult.se/iCalcreator/
	 * @var string
	 */
	public $Ical = '';
	/**
	 * Word-wrap the message body to this number of chars.
	 * Set to 0 to not wrap. A useful value here is 78, for RFC2822 section 2.1.1 compliance.
	 * @var integer
	 */
	public $WordWrap = 0;
	/**
	 * Which method to use to send mail.
	 * Options: "mail", "sendmail", or "smtp".
	 * @var string
	 */
	public $Mailer = 'mail';
	/**
	 * The path to the sendmail program.
	 * @var string
	 */
	public $Sendmail = '/usr/sbin/sendmail';
	/**
	 * Whether mail() uses a fully sendmail-compatible MTA.
	 * One which supports sendmail's "-oi -f" options.
	 * @var boolean
	 */
	public $UseSendmailOptions = true;
	/**
	 * Path to PHPMailer plugins.
	 * Useful if the SMTP class is not in the PHP include path.
	 * @var string
	 * @deprecated Should not be needed now there is an autoloader.
	 */
	public $PluginDir = '';
	/**
	 * The email address that a reading confirmation should be sent to, also known as read receipt.
	 * @var string
	 */
	public $ConfirmReadingTo = '';
	/**
	 * The hostname to use in the Message-ID header and as default HELO string.
	 * If empty, PHPMailer attempts to find one with, in order,
	 * $_SERVER['SERVER_NAME'], gethostname(), php_uname('n'), or the value
	 * 'localhost.localdomain'.
	 * @var string
	 */
	public $Hostname = '';
	/**
	 * An ID to be used in the Message-ID header.
	 * If empty, a unique id will be generated.
	 * @var string
	 */
	public $MessageID = '';
	/**
	 * The message Date to be used in the Date header.
	 * If empty, the current date will be added.
	 * @var string
	 */
	public $MessageDate = '';
	/**
	 * SMTP hosts.
	 * Either a single hostname or multiple semicolon-delimited hostnames.
	 * 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").
	 * You can also specify encryption type, for example:
	 * (e.g. "tls://smtp1.example.com:587;ssl://smtp2.example.com:465").
	 * Hosts will be tried in order.
	 * @var string
	 */
	public $Host = 'localhost';
	/**
	 * The default SMTP server port.
	 * @var integer
	 */
	public $Port = 25;
	/**
	 * The SMTP HELO of the message.
	 * Default is $Hostname. If $Hostname is empty, PHPMailer attempts to find
	 * one with the same method described above for $Hostname.
	 * @var string
	 * @see PHPMailer::$Hostname
	 */
	public $Helo = '';
	/**
	 * What kind of encryption to use on the SMTP connection.
	 * Options: '', 'ssl' or 'tls'
	 * @var string
	 */
	public $SMTPSecure = '';
	/**
	 * Whether to enable TLS encryption automatically if a server supports it,
	 * even if `SMTPSecure` is not set to 'tls'.
	 * Be aware that in PHP >= 5.6 this requires that the server's certificates are valid.
	 * @var boolean
	 */
	public $SMTPAutoTLS = true;
	/**
	 * Whether to use SMTP authentication.
	 * Uses the Username and Password properties.
	 * @var boolean
	 * @see PHPMailer::$Username
	 * @see PHPMailer::$Password
	 */
	public $SMTPAuth = false;
	/**
	 * Options array passed to stream_context_create when connecting via SMTP.
	 * @var array
	 */
	public $SMTPOptions = array();
	/**
	 * SMTP username.
	 * @var string
	 */
	public $Username = '';
	/**
	 * SMTP password.
	 * @var string
	 */
	public $Password = '';
	/**
	 * SMTP auth type.
	 * Options are LOGIN (default), PLAIN, NTLM, CRAM-MD5
	 * @var string
	 */
	public $AuthType = '';
	/**
	 * SMTP realm.
	 * Used for NTLM auth
	 * @var string
	 */
	public $Realm = '';
	/**
	 * SMTP workstation.
	 * Used for NTLM auth
	 * @var string
	 */
	public $Workstation = '';
	/**
	 * The SMTP server timeout in seconds.
	 * Default of 5 minutes (300sec) is from RFC2821 section 4.5.3.2
	 * @var integer
	 */
	public $Timeout = 300;
	/**
	 * SMTP class debug output mode.
	 * Debug output level.
	 * Options:
	 * * `0` No output
	 * * `1` Commands
	 * * `2` Data and commands
	 * * `3` As 2 plus connection status
	 * * `4` Low-level data output
	 * @var integer
	 * @see SMTP::$do_debug
	 */
	public $SMTPDebug = 0;
	/**
	 * How to handle debug output.
	 * Options:
	 * * `echo` Output plain-text as-is, appropriate for CLI
	 * * `html` Output escaped, line breaks converted to `<br>`, appropriate for browser output
	 * * `error_log` Output to error log as configured in php.ini
	 *
	 * Alternatively, you can provide a callable expecting two params: a message string and the debug level:
	 * <code>
	 * $mail->Debugoutput = function($str, $level) {echo "debug level $level; message: $str";};
	 * </code>
	 * @var string|callable
	 * @see SMTP::$Debugoutput
	 */
	public $Debugoutput = 'echo';
	/**
	 * Whether to keep SMTP connection open after each message.
	 * If this is set to true then to close the connection
	 * requires an explicit call to smtpClose().
	 * @var boolean
	 */
	public $SMTPKeepAlive = false;
	/**
	 * Whether to split multiple to addresses into multiple messages
	 * or send them all in one message.
	 * Only supported in `mail` and `sendmail` transports, not in SMTP.
	 * @var boolean
	 */
	public $SingleTo = false;
	/**
	 * Storage for addresses when SingleTo is enabled.
	 * @var array
	 */
	public $SingleToArray = array();
	/**
	 * Whether to generate VERP addresses on send.
	 * Only applicable when sending via SMTP.
	 * @link https://en.wikipedia.org/wiki/Variable_envelope_return_path
	 * @link http://www.postfix.org/VERP_README.html Postfix VERP info
	 * @var boolean
	 */
	public $do_verp = false;
	/**
	 * Whether to allow sending messages with an empty body.
	 * @var boolean
	 */
	public $AllowEmpty = false;
	/**
	 * The default line ending.
	 * @note The default remains "\n". We force CRLF where we know
	 *        it must be used via self::CRLF.
	 * @var string
	 */
	public $LE = "\n";
	/**
	 * DKIM selector.
	 * @var string
	 */
	public $DKIM_selector = '';
	/**
	 * DKIM Identity.
	 * Usually the email address used as the source of the email
	 * @var string
	 */
	public $DKIM_identity = '';
	/**
	 * DKIM passphrase.
	 * Used if your key is encrypted.
	 * @var string
	 */
	public $DKIM_passphrase = '';
	/**
	 * DKIM signing domain name.
	 * @example 'example.com'
	 * @var string
	 */
	public $DKIM_domain = '';
	/**
	 * DKIM private key file path.
	 * @var string
	 */
	public $DKIM_private = '';
	/**
	 * Callback Action function name.
	 *
	 * The function that handles the result of the send email action.
	 * It is called out by send() for each email sent.
	 *
	 * Value can be any php callable: http://www.php.net/is_callable
	 *
	 * Parameters:
	 *   boolean $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
	 *   string  $from          email address of sender
	 * @var string
	 */
	public $action_function = '';
	/**
	 * What to put in the X-Mailer header.
	 * Options: An empty string for PHPMailer default, whitespace for none, or a string to use
	 * @var string
	 */
	public $XMailer = '';
	/**
	 * The complete compiled MIME message body.
	 * @access protected
	 * @var string
	 */
	protected $MIMEBody = '';
	/**
	 * The complete compiled MIME message headers.
	 * @var string
	 * @access protected
	 */
	protected $MIMEHeader = '';
	/**
	 * Extra headers that createHeader() doesn't fold in.
	 * @var string
	 * @access protected
	 */
	protected $mailHeader = '';
	/**
	 * An instance of the SMTP sender class.
	 * @var SMTP
	 * @access protected
	 */
	protected $smtp = null;
	/**
	 * The array of 'to' names and addresses.
	 * @var array
	 * @access protected
	 */
	protected $to = array();
	/**
	 * The array of 'cc' names and addresses.
	 * @var array
	 * @access protected
	 */
	protected $cc = array();
	/**
	 * The array of 'bcc' names and addresses.
	 * @var array
	 * @access protected
	 */
	protected $bcc = array();
	/**
	 * The array of reply-to names and addresses.
	 * @var array
	 * @access protected
	 */
	protected $ReplyTo = array();
	/**
	 * An array of all kinds of addresses.
	 * Includes all of $to, $cc, $bcc
	 * @var array
	 * @access protected
	 * @see PHPMailer::$to @see PHPMailer::$cc @see PHPMailer::$bcc
	 */
	protected $all_recipients = array();
	/**
	 * An array of names and addresses queued for validation.
	 * In send(), valid and non duplicate entries are moved to $all_recipients
	 * and one of $to, $cc, or $bcc.
	 * This array is used only for addresses with IDN.
	 * @var array
	 * @access protected
	 * @see PHPMailer::$to @see PHPMailer::$cc @see PHPMailer::$bcc
	 * @see PHPMailer::$all_recipients
	 */
	protected $RecipientsQueue = array();
	/**
	 * An array of reply-to names and addresses queued for validation.
	 * In send(), valid and non duplicate entries are moved to $ReplyTo.
	 * This array is used only for addresses with IDN.
	 * @var array
	 * @access protected
	 * @see PHPMailer::$ReplyTo
	 */
	protected $ReplyToQueue = array();
	/**
	 * The array of attachments.
	 * @var array
	 * @access protected
	 */
	protected $attachment = array();
	/**
	 * The array of custom headers.
	 * @var array
	 * @access protected
	 */
	protected $CustomHeader = array();
	/**
	 * The most recent Message-ID (including angular brackets).
	 * @var string
	 * @access protected
	 */
	protected $lastMessageID = '';
	/**
	 * The message's MIME type.
	 * @var string
	 * @access protected
	 */
	protected $message_type = '';
	/**
	 * The array of MIME boundary strings.
	 * @var array
	 * @access protected
	 */
	protected $boundary = array();
	/**
	 * The array of available languages.
	 * @var array
	 * @access protected
	 */
	protected $language = array();
	/**
	 * The number of errors encountered.
	 * @var integer
	 * @access protected
	 */
	protected $error_count = 0;
	/**
	 * The S/MIME certificate file path.
	 * @var string
	 * @access protected
	 */
	protected $sign_cert_file = '';
	/**
	 * The S/MIME key file path.
	 * @var string
	 * @access protected
	 */
	protected $sign_key_file = '';
	/**
	 * The optional S/MIME extra certificates ("CA Chain") file path.
	 * @var string
	 * @access protected
	 */
	protected $sign_extracerts_file = '';
	/**
	 * The S/MIME password for the key.
	 * Used only if the key is encrypted.
	 * @var string
	 * @access protected
	 */
	protected $sign_key_pass = '';
	/**
	 * Whether to throw exceptions for errors.
	 * @var boolean
	 * @access protected
	 */
	protected $exceptions = false;
	/**
	 * Unique ID used for message ID and boundaries.
	 * @var string
	 * @access protected
	 */
	protected $uniqueid = '';

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

	/**
	 * Destructor.
	 */
	public function __destruct() {
		//Close any open SMTP connection nicely
		$this->smtpClose();
	}

	/**
	 * Close the active SMTP session if one exists.
	 * @return void
	 */
	public function smtpClose() {
		if ( is_a( $this->smtp, 'SMTP' ) ) {
			if ( $this->smtp->connected() ) {
				$this->smtp->quit();
				$this->smtp->close();
			}
		}
	}

	/**
	 * Send messages using SMTP.
	 * @return void
	 */
	public function isSMTP() {
		$this->Mailer = 'smtp';
	}

	/**
	 * Send messages using PHP's mail() function.
	 * @return void
	 */
	public function isMail() {
		$this->Mailer = 'mail';
	}

	/**
	 * Send messages using $Sendmail.
	 * @return void
	 */
	public function isSendmail() {
		$ini_sendmail_path = ini_get( 'sendmail_path' );

		if ( ! stristr( $ini_sendmail_path, 'sendmail' ) ) {
			$this->Sendmail = '/usr/sbin/sendmail';
		} else {
			$this->Sendmail = $ini_sendmail_path;
		}
		$this->Mailer = 'sendmail';
	}

	/**
	 * Send messages using qmail.
	 * @return void
	 */
	public function isQmail() {
		$ini_sendmail_path = ini_get( 'sendmail_path' );

		if ( ! stristr( $ini_sendmail_path, 'qmail' ) ) {
			$this->Sendmail = '/var/qmail/bin/qmail-inject';
		} else {
			$this->Sendmail = $ini_sendmail_path;
		}
		$this->Mailer = 'qmail';
	}

	/**
	 * Add a "To" address.
	 *
	 * @param string $address The email address to send to
	 * @param string $name
	 *
	 * @return boolean true on success, false if address already used or invalid in some way
	 */
	public function addAddress( $address, $name = '' ) {
		return $this->addOrEnqueueAnAddress( 'to', $address, $name );
	}

	/**
	 * Add an address to one of the recipient arrays or to the ReplyTo array. Because PHPMailer
	 * can't validate addresses with an IDN without knowing the PHPMailer::$CharSet (that can still
	 * be modified after calling this function), addition of such addresses is delayed until send().
	 * Addresses that have been added already return false, but do not throw exceptions.
	 *
	 * @param string $kind One of 'to', 'cc', 'bcc', or 'ReplyTo'
	 * @param string $address The email address to send, resp. to reply to
	 * @param string $name
	 *
	 * @throws phpmailerException
	 * @return boolean true on success, false if address already used or invalid in some way
	 * @access protected
	 */
	protected function addOrEnqueueAnAddress( $kind, $address, $name ) {
		$address = trim( $address );
		$name    = trim( preg_replace( '/[\r\n]+/', '', $name ) ); //Strip breaks and trim
		if ( ( $pos = strrpos( $address, '@' ) ) === false ) {
			// At-sign is misssing.
			$error_message = $this->lang( 'invalid_address' ) . " (addAnAddress $kind): $address";
			$this->setError( $error_message );
			$this->edebug( $error_message );
			if ( $this->exceptions ) {
				throw new phpmailerException( $error_message );
			}

			return false;
		}
		$params = array( $kind, $address, $name );
		// Enqueue addresses with IDN until we know the PHPMailer::$CharSet.
		if ( $this->has8bitChars( substr( $address, ++ $pos ) ) and $this->idnSupported() ) {
			if ( $kind != 'Reply-To' ) {
				if ( ! array_key_exists( $address, $this->RecipientsQueue ) ) {
					$this->RecipientsQueue[ $address ] = $params;

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

					return true;
				}
			}

			return false;
		}

		// Immediately add standard addresses without IDN.
		return call_user_func_array( array( $this, 'addAnAddress' ), $params );
	}

	/**
	 * Get an error message in the current language.
	 * @access protected
	 *
	 * @param string $key
	 *
	 * @return string
	 */
	protected function lang( $key ) {
		if ( count( $this->language ) < 1 ) {
			$this->setLanguage( 'en' ); // set the default language
		}

		if ( array_key_exists( $key, $this->language ) ) {
			if ( $key == 'smtp_connect_failed' ) {
				//Include a link to troubleshooting docs on SMTP connection failure
				//this is by far the biggest cause of support questions
				//but it's usually not PHPMailer's fault.
				return $this->language[ $key ] . ' https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting';
			}

			return $this->language[ $key ];
		} else {
			//Return the key as a fallback
			return $key;
		}
	}

	/**
	 * Set the language for 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. French is "fr")
	 * @param string $lang_path Path to the language file directory, with trailing separator (slash)
	 *
	 * @return boolean
	 * @access public
	 */
	public function setLanguage( $langcode = 'en', $lang_path = '' ) {
		// Define full set of translatable strings in English
		$PHPMAILER_LANG = array(
			'authenticate'         => 'SMTP Error: Could not authenticate.',
			'connect_host'         => 'SMTP Error: Could not connect to SMTP host.',
			'data_not_accepted'    => 'SMTP Error: data not accepted.',
			'empty_message'        => 'Message body empty',
			'encoding'             => 'Unknown encoding: ',
			'execute'              => 'Could not execute: ',
			'file_access'          => 'Could not access file: ',
			'file_open'            => 'File Error: Could not open file: ',
			'from_failed'          => 'The following From address failed: ',
			'instantiate'          => 'Could not instantiate mail function.',
			'invalid_address'      => 'Invalid address: ',
			'mailer_not_supported' => ' mailer is not supported.',
			'provide_address'      => 'You must provide at least one recipient email address.',
			'recipients_failed'    => 'SMTP Error: The following recipients failed: ',
			'signing'              => 'Signing Error: ',
			'smtp_connect_failed'  => 'SMTP connect() failed.',
			'smtp_error'           => 'SMTP server error: ',
			'variable_set'         => 'Cannot set or reset variable: ',
			'extension_missing'    => 'Extension missing: '
		);
		if ( empty( $lang_path ) ) {
			// Calculate an absolute path so it can work if CWD is not here
			$lang_path = dirname( __FILE__ ) . DIRECTORY_SEPARATOR . 'language' . DIRECTORY_SEPARATOR;
		}
		$foundlang = true;
		$lang_file = $lang_path . 'phpmailer.lang-' . $langcode . '.php';
		// There is no English translation file
		if ( $langcode != 'en' ) {
			// Make sure language file path is readable
			if ( ! is_readable( $lang_file ) ) {
				$foundlang = false;
			} else {
				// Overwrite language-specific strings.
				// This way we'll never have missing translation keys.
				$foundlang = include $lang_file;
			}
		}
		$this->language = $PHPMAILER_LANG;

		return (boolean) $foundlang; // Returns false if language not found
	}

	/**
	 * Add an error message to the error container.
	 * @access protected
	 *
	 * @param string $msg
	 *
	 * @return void
	 */
	protected function setError( $msg ) {
		$this->error_count ++;
		if ( $this->Mailer == 'smtp' and ! is_null( $this->smtp ) ) {
			$lasterror = $this->smtp->getError();
			if ( ! empty( $lasterror['error'] ) ) {
				$msg .= $this->lang( 'smtp_error' ) . $lasterror['error'];
				if ( ! empty( $lasterror['detail'] ) ) {
					$msg .= ' Detail: ' . $lasterror['detail'];
				}
				if ( ! empty( $lasterror['smtp_code'] ) ) {
					$msg .= ' SMTP code: ' . $lasterror['smtp_code'];
				}
				if ( ! empty( $lasterror['smtp_code_ex'] ) ) {
					$msg .= ' Additional SMTP info: ' . $lasterror['smtp_code_ex'];
				}
			}
		}
		$this->ErrorInfo = $msg;
	}

	/**
	 * Output debugging info via user-defined method.
	 * Only generates output if SMTP debug output is enabled (@see SMTP::$do_debug).
	 * @see PHPMailer::$Debugoutput
	 * @see PHPMailer::$SMTPDebug
	 *
	 * @param string $str
	 */
	protected function edebug( $str ) {
		if ( $this->SMTPDebug <= 0 ) {
			return;
		}
		//Avoid clash with built-in function names
		if ( ! in_array( $this->Debugoutput, array(
				'error_log',
				'html',
				'echo'
			) ) and is_callable( $this->Debugoutput ) ) {
			call_user_func( $this->Debugoutput, $str, $this->SMTPDebug );

			return;
		}
		switch ( $this->Debugoutput ) {
			case 'error_log':
				//Don't output, just log
				error_log( $str );
				break;
			case 'html':
				//Cleans up output a bit for a better looking, HTML-safe output
				echo htmlentities(
					     preg_replace( '/[\r\n]+/', '', $str ),
					     ENT_QUOTES,
					     'UTF-8'
				     )
				     . "<br>\n";
				break;
			case 'echo':
			default:
				//Normalize line breaks
				$str = preg_replace( '/\r\n?/ms', "\n", $str );
				echo gmdate( 'Y-m-d H:i:s' ) . "\t" . str_replace(
						"\n",
						"\n                   \t                  ",
						trim( $str )
					) . "\n";
		}
	}

	/**
	 * Does a string contain any 8-bit chars (in any charset)?
	 *
	 * @param string $text
	 *
	 * @return boolean
	 */
	public function has8bitChars( $text ) {
		return (boolean) preg_match( '/[\x80-\xFF]/', $text );
	}

	/**
	 * Tells whether IDNs (Internationalized Domain Names) are supported or not. This requires the
	 * "intl" and "mbstring" PHP extensions.
	 * @return bool "true" if required functions for IDN support are present
	 */
	public function idnSupported() {
		return function_exists( 'idn_to_ascii' ) and function_exists( 'mb_convert_encoding' );
	}

	/**
	 * Add a "CC" address.
	 * @note: This function works with the SMTP mailer on win32, not with the "mail" mailer.
	 *
	 * @param string $address The email address to send to
	 * @param string $name
	 *
	 * @return boolean true on success, false if address already used or invalid in some way
	 */
	public function addCC( $address, $name = '' ) {
		return $this->addOrEnqueueAnAddress( 'cc', $address, $name );
	}

	/**
	 * Add a "BCC" address.
	 * @note: This function works with the SMTP mailer on win32, not with the "mail" mailer.
	 *
	 * @param string $address The email address to send to
	 * @param string $name
	 *
	 * @return boolean true on success, false if address already used or invalid in some way
	 */
	public function addBCC( $address, $name = '' ) {
		return $this->addOrEnqueueAnAddress( 'bcc', $address, $name );
	}

	/**
	 * Add a "Reply-To" address.
	 *
	 * @param string $address The email address to reply to
	 * @param string $name
	 *
	 * @return boolean true on success, false if address already used or invalid in some way
	 */
	public function addReplyTo( $address, $name = '' ) {
		return $this->addOrEnqueueAnAddress( 'Reply-To', $address, $name );
	}

	/**
	 * Parse and validate a string containing one or more RFC822-style comma-separated email addresses
	 * of the form "display name <address>" into an array of name/address pairs.
	 * Uses the imap_rfc822_parse_adrlist function if the IMAP extension is available.
	 * Note that quotes in the name part are removed.
	 *
	 * @param string $addrstr The address list string
	 * @param bool $useimap Whether to use the IMAP extension to parse the list
	 *
	 * @return array
	 * @link http://www.andrew.cmu.edu/user/agreen1/testing/mrbs/web/Mail/RFC822.php A more careful implementation
	 */
	public function parseAddresses( $addrstr, $useimap = true ) {
		$addresses = array();
		if ( $useimap and function_exists( 'imap_rfc822_parse_adrlist' ) ) {
			//Use this built-in parser if it's available
			$list = imap_rfc822_parse_adrlist( $addrstr, '' );
			foreach ( $list as $address ) {
				if ( $address->host != '.SYNTAX-ERROR.' ) {
					if ( $this->validateAddress( $address->mailbox . '@' . $address->host ) ) {
						$addresses[] = array(
							'name'    => ( property_exists( $address, 'personal' ) ? $address->personal : '' ),
							'address' => $address->mailbox . '@' . $address->host
						);
					}
				}
			}
		} else {
			//Use this simpler parser
			$list = explode( ',', $addrstr );
			foreach ( $list as $address ) {
				$address = trim( $address );
				//Is there a separate name part?
				if ( strpos( $address, '<' ) === false ) {
					//No separate name, just use the whole thing
					if ( $this->validateAddress( $address ) ) {
						$addresses[] = array(
							'name'    => '',
							'address' => $address
						);
					}
				} else {
					list( $name, $email ) = explode( '<', $address );
					$email = trim( str_replace( '>', '', $email ) );
					if ( $this->validateAddress( $email ) ) {
						$addresses[] = array(
							'name'    => trim( str_replace( array( '"', "'" ), '', $name ) ),
							'address' => $email
						);
					}
				}
			}
		}

		return $addresses;
	}

	/**
	 * Set the From and FromName properties.
	 *
	 * @param string $address
	 * @param string $name
	 * @param boolean $auto Whether to also set the Sender address, defaults to true
	 *
	 * @throws phpmailerException
	 * @return boolean
	 */
	public function setFrom( $address, $name = '', $auto = true ) {
		$address = trim( $address );
		$name    = trim( preg_replace( '/[\r\n]+/', '', $name ) ); //Strip breaks and trim
		// Don't validate now addresses with IDN. Will be done in send().
		if ( ( $pos = strrpos( $address, '@' ) ) === false or
		     ( ! $this->has8bitChars( substr( $address, ++ $pos ) ) or ! $this->idnSupported() ) and
		     ! $this->validateAddress( $address ) ) {
			$error_message = $this->lang( 'invalid_address' ) . " (setFrom) $address";
			$this->setError( $error_message );
			$this->edebug( $error_message );
			if ( $this->exceptions ) {
				throw new phpmailerException( $error_message );
			}

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

		return true;
	}

	/**
	 * Return the Message-ID header of the last email.
	 * Technically this is the value from the last time the headers were created,
	 * but it's also the message ID of the last sent message except in
	 * pathological cases.
	 * @return string
	 */
	public function getLastMessageID() {
		return $this->lastMessageID;
	}

	/**
	 * Create a message and send it.
	 * Uses the sending method specified by $Mailer.
	 * @throws phpmailerException
	 * @return boolean false on error - See the ErrorInfo property for details of the error.
	 */
	public function send() {
		try {
			if ( ! $this->preSend() ) {
				return false;
			}

			return $this->postSend();
		} catch ( phpmailerException $exc ) {
			$this->mailHeader = '';
			$this->setError( $exc->getMessage() );
			if ( $this->exceptions ) {
				throw $exc;
			}

			return false;
		}
	}

	/**
	 * Prepare a message for sending.
	 * @throws phpmailerException
	 * @return boolean
	 */
	public function preSend() {
		try {
			$this->error_count = 0; // Reset errors
			$this->mailHeader  = '';

			// Dequeue recipient and Reply-To addresses with IDN
			foreach ( array_merge( $this->RecipientsQueue, $this->ReplyToQueue ) as $params ) {
				$params[1] = $this->punyencodeAddress( $params[1] );
				call_user_func_array( array( $this, 'addAnAddress' ), $params );
			}
			if ( ( count( $this->to ) + count( $this->cc ) + count( $this->bcc ) ) < 1 ) {
				throw new phpmailerException( $this->lang( 'provide_address' ), self::STOP_CRITICAL );
			}

			// Validate From, Sender, and ConfirmReadingTo addresses
			foreach ( array( 'From', 'Sender', 'ConfirmReadingTo' ) as $address_kind ) {
				$this->$address_kind = trim( $this->$address_kind );
				if ( empty( $this->$address_kind ) ) {
					continue;
				}
				$this->$address_kind = $this->punyencodeAddress( $this->$address_kind );
				if ( ! $this->validateAddress( $this->$address_kind ) ) {
					$error_message = $this->lang( 'invalid_address' ) . ' (punyEncode) ' . $this->$address_kind;
					$this->setError( $error_message );
					$this->edebug( $error_message );
					if ( $this->exceptions ) {
						throw new phpmailerException( $error_message );
					}

					return false;
				}
			}

			// Set whether the message is multipart/alternative
			if ( $this->alternativeExists() ) {
				$this->ContentType = 'multipart/alternative';
			}

			$this->setMessageType();
			// Refuse to send an empty message unless we are specifically allowing it
			if ( ! $this->AllowEmpty and empty( $this->Body ) ) {
				throw new phpmailerException( $this->lang( 'empty_message' ), self::STOP_CRITICAL );
			}

			// Create body before headers in case body makes changes to headers (e.g. altering transfer encoding)
			$this->MIMEHeader = '';
			$this->MIMEBody   = $this->createBody();
			// createBody may have added some headers, so retain them
			$tempheaders      = $this->MIMEHeader;
			$this->MIMEHeader = $this->createHeader();
			$this->MIMEHeader .= $tempheaders;

			// To capture the complete message when using mail(), create
			// an extra header list which createHeader() doesn't fold in
			if ( $this->Mailer == 'mail' ) {
				if ( count( $this->to ) > 0 ) {
					$this->mailHeader .= $this->addrAppend( 'To', $this->to );
				} else {
					$this->mailHeader .= $this->headerLine( 'To', 'undisclosed-recipients:;' );
				}
				$this->mailHeader .= $this->headerLine(
					'Subject',
					$this->encodeHeader( $this->secureHeader( trim( $this->Subject ) ) )
				);
			}

			// Sign with DKIM if enabled
			if ( ! empty( $this->DKIM_domain )
			     && ! empty( $this->DKIM_private )
			     && ! empty( $this->DKIM_selector )
			     && file_exists( $this->DKIM_private ) ) {
				$header_dkim      = $this->DKIM_Add(
					$this->MIMEHeader . $this->mailHeader,
					$this->encodeHeader( $this->secureHeader( $this->Subject ) ),
					$this->MIMEBody
				);
				$this->MIMEHeader = rtrim( $this->MIMEHeader, "\r\n " ) . self::CRLF .
				                    str_replace( "\r\n", "\n", $header_dkim ) . self::CRLF;
			}

			return true;
		} catch ( phpmailerException $exc ) {
			$this->setError( $exc->getMessage() );
			if ( $this->exceptions ) {
				throw $exc;
			}

			return false;
		}
	}

	/**
	 * Converts IDN in given email address to its ASCII form, also known as punycode, if possible.
	 * Important: Address must be passed in same encoding as currently set in PHPMailer::$CharSet.
	 * This function silently returns unmodified address if:
	 * - No conversion is necessary (i.e. domain name is not an IDN, or is already in ASCII form)
	 * - Conversion to punycode is impossible (e.g. required PHP functions are not available)
	 *   or fails for any reason (e.g. domain has characters not allowed in an IDN)
	 * @see PHPMailer::$CharSet
	 *
	 * @param string $address The email address to convert
	 *
	 * @return string The encoded address in ASCII form
	 */
	public function punyencodeAddress( $address ) {
		// Verify we have required functions, CharSet, and at-sign.
		if ( $this->idnSupported() and
		     ! empty( $this->CharSet ) and
		     ( $pos = strrpos( $address, '@' ) ) !== false ) {
			$domain = substr( $address, ++ $pos );
			// Verify CharSet string is a valid one, and domain properly encoded in this CharSet.
			if ( $this->has8bitChars( $domain ) and @mb_check_encoding( $domain, $this->CharSet ) ) {
				$domain = mb_convert_encoding( $domain, 'UTF-8', $this->CharSet );
				if ( ( $punycode = defined( 'INTL_IDNA_VARIANT_UTS46' ) ?
						idn_to_ascii( $domain, 0, INTL_IDNA_VARIANT_UTS46 ) :
						idn_to_ascii( $domain ) ) !== false ) {
					return substr( $address, 0, $pos ) . $punycode;
				}
			}
		}

		return $address;
	}

	/**
	 * Check if this message has an alternative body set.
	 * @return boolean
	 */
	public function alternativeExists() {
		return ! empty( $this->AltBody );
	}

	/**
	 * Set the message type.
	 * PHPMailer only supports some preset message types,
	 * not arbitrary MIME structures.
	 * @access protected
	 * @return void
	 */
	protected function setMessageType() {
		$type = array();
		if ( $this->alternativeExists() ) {
			$type[] = 'alt';
		}
		if ( $this->inlineImageExists() ) {
			$type[] = 'inline';
		}
		if ( $this->attachmentExists() ) {
			$type[] = 'attach';
		}
		$this->message_type = implode( '_', $type );
		if ( $this->message_type == '' ) {
			$this->message_type = 'plain';
		}
	}

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

		return false;
	}

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

		return false;
	}

	/**
	 * Assemble the message body.
	 * Returns an empty string on failure.
	 * @access public
	 * @throws phpmailerException
	 * @return string The assembled message body
	 */
	public function createBody() {
		$body = '';
		//Create unique IDs and preset boundaries
		$this->uniqueid    = md5( uniqid( time() ) );
		$this->boundary[1] = 'b1_' . $this->uniqueid;
		$this->boundary[2] = 'b2_' . $this->uniqueid;
		$this->boundary[3] = 'b3_' . $this->uniqueid;

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

		$this->setWordWrap();

		$bodyEncoding = $this->Encoding;
		$bodyCharSet  = $this->CharSet;
		//Can we do a 7-bit downgrade?
		if ( $bodyEncoding == '8bit' and ! $this->has8bitChars( $this->Body ) ) {
			$bodyEncoding = '7bit';
			$bodyCharSet  = 'us-ascii';
		}
		//If lines are too long, and we're not already using an encoding that will shorten them,
		//change to quoted-printable transfer encoding
		if ( 'base64' != $this->Encoding and self::hasLineLongerThanMax( $this->Body ) ) {
			$this->Encoding = 'quoted-printable';
			$bodyEncoding   = 'quoted-printable';
		}

		$altBodyEncoding = $this->Encoding;
		$altBodyCharSet  = $this->CharSet;
		//Can we do a 7-bit downgrade?
		if ( $altBodyEncoding == '8bit' and ! $this->has8bitChars( $this->AltBody ) ) {
			$altBodyEncoding = '7bit';
			$altBodyCharSet  = 'us-ascii';
		}
		//If lines are too long, and we're not already using an encoding that will shorten them,
		//change to quoted-printable transfer encoding
		if ( 'base64' != $altBodyEncoding and self::hasLineLongerThanMax( $this->AltBody ) ) {
			$altBodyEncoding = 'quoted-printable';
		}
		//Use this as a preamble in all multipart message types
		$mimepre = "This is a multi-part message in MIME format." . $this->LE . $this->LE;
		switch ( $this->message_type ) {
			case 'inline':
				$body .= $mimepre;
				$body .= $this->getBoundary( $this->boundary[1], $bodyCharSet, '', $bodyEncoding );
				$body .= $this->encodeString( $this->Body, $bodyEncoding );
				$body .= $this->LE . $this->LE;
				$body .= $this->attachAll( 'inline', $this->boundary[1] );
				break;
			case 'attach':
				$body .= $mimepre;
				$body .= $this->getBoundary( $this->boundary[1], $bodyCharSet, '', $bodyEncoding );
				$body .= $this->encodeString( $this->Body, $bodyEncoding );
				$body .= $this->LE . $this->LE;
				$body .= $this->attachAll( 'attachment', $this->boundary[1] );
				break;
			case 'inline_attach':
				$body .= $mimepre;
				$body .= $this->textLine( '--' . $this->boundary[1] );
				$body .= $this->headerLine( 'Content-Type', 'multipart/related;' );
				$body .= $this->textLine( "\tboundary=\"" . $this->boundary[2] . '"' );
				$body .= $this->LE;
				$body .= $this->getBoundary( $this->boundary[2], $bodyCharSet, '', $bodyEncoding );
				$body .= $this->encodeString( $this->Body, $bodyEncoding );
				$body .= $this->LE . $this->LE;
				$body .= $this->attachAll( 'inline', $this->boundary[2] );
				$body .= $this->LE;
				$body .= $this->attachAll( 'attachment', $this->boundary[1] );
				break;
			case 'alt':
				$body .= $mimepre;
				$body .= $this->getBoundary( $this->boundary[1], $altBodyCharSet, 'text/plain', $altBodyEncoding );
				$body .= $this->encodeString( $this->AltBody, $altBodyEncoding );
				$body .= $this->LE . $this->LE;
				$body .= $this->getBoundary( $this->boundary[1], $bodyCharSet, 'text/html', $bodyEncoding );
				$body .= $this->encodeString( $this->Body, $bodyEncoding );
				$body .= $this->LE . $this->LE;
				if ( ! empty( $this->Ical ) ) {
					$body .= $this->getBoundary( $this->boundary[1], '', 'text/calendar; method=REQUEST', '' );
					$body .= $this->encodeString( $this->Ical, $this->Encoding );
					$body .= $this->LE . $this->LE;
				}
				$body .= $this->endBoundary( $this->boundary[1] );
				break;
			case 'alt_inline':
				$body .= $mimepre;
				$body .= $this->getBoundary( $this->boundary[1], $altBodyCharSet, 'text/plain', $altBodyEncoding );
				$body .= $this->encodeString( $this->AltBody, $altBodyEncoding );
				$body .= $this->LE . $this->LE;
				$body .= $this->textLine( '--' . $this->boundary[1] );
				$body .= $this->headerLine( 'Content-Type', 'multipart/related;' );
				$body .= $this->textLine( "\tboundary=\"" . $this->boundary[2] . '"' );
				$body .= $this->LE;
				$body .= $this->getBoundary( $this->boundary[2], $bodyCharSet, 'text/html', $bodyEncoding );
				$body .= $this->encodeString( $this->Body, $bodyEncoding );
				$body .= $this->LE . $this->LE;
				$body .= $this->attachAll( 'inline', $this->boundary[2] );
				$body .= $this->LE;
				$body .= $this->endBoundary( $this->boundary[1] );
				break;
			case 'alt_attach':
				$body .= $mimepre;
				$body .= $this->textLine( '--' . $this->boundary[1] );
				$body .= $this->headerLine( 'Content-Type', 'multipart/alternative;' );
				$body .= $this->textLine( "\tboundary=\"" . $this->boundary[2] . '"' );
				$body .= $this->LE;
				$body .= $this->getBoundary( $this->boundary[2], $altBodyCharSet, 'text/plain', $altBodyEncoding );
				$body .= $this->encodeString( $this->AltBody, $altBodyEncoding );
				$body .= $this->LE . $this->LE;
				$body .= $this->getBoundary( $this->boundary[2], $bodyCharSet, 'text/html', $bodyEncoding );
				$body .= $this->encodeString( $this->Body, $bodyEncoding );
				$body .= $this->LE . $this->LE;
				$body .= $this->endBoundary( $this->boundary[2] );
				$body .= $this->LE;
				$body .= $this->attachAll( 'attachment', $this->boundary[1] );
				break;
			case 'alt_inline_attach':
				$body .= $mimepre;
				$body .= $this->textLine( '--' . $this->boundary[1] );
				$body .= $this->headerLine( 'Content-Type', 'multipart/alternative;' );
				$body .= $this->textLine( "\tboundary=\"" . $this->boundary[2] . '"' );
				$body .= $this->LE;
				$body .= $this->getBoundary( $this->boundary[2], $altBodyCharSet, 'text/plain', $altBodyEncoding );
				$body .= $this->encodeString( $this->AltBody, $altBodyEncoding );
				$body .= $this->LE . $this->LE;
				$body .= $this->textLine( '--' . $this->boundary[2] );
				$body .= $this->headerLine( 'Content-Type', 'multipart/related;' );
				$body .= $this->textLine( "\tboundary=\"" . $this->boundary[3] . '"' );
				$body .= $this->LE;
				$body .= $this->getBoundary( $this->boundary[3], $bodyCharSet, 'text/html', $bodyEncoding );
				$body .= $this->encodeString( $this->Body, $bodyEncoding );
				$body .= $this->LE . $this->LE;
				$body .= $this->attachAll( 'inline', $this->boundary[3] );
				$body .= $this->LE;
				$body .= $this->endBoundary( $this->boundary[2] );
				$body .= $this->LE;
				$body .= $this->attachAll( 'attachment', $this->boundary[1] );
				break;
			default:
				// catch case 'plain' and case ''
				$body .= $this->encodeString( $this->Body, $bodyEncoding );
				break;
		}

		if ( $this->isError() ) {
			$body = '';
		} elseif ( $this->sign_key_file ) {
			try {
				if ( ! defined( 'PKCS7_TEXT' ) ) {
					throw new phpmailerException( $this->lang( 'extension_missing' ) . 'openssl' );
				}
				$file = tempnam( sys_get_temp_dir(), 'mail' );
				if ( false === file_put_contents( $file, $body ) ) {
					throw new phpmailerException( $this->lang( 'signing' ) . ' Could not write temp file' );
				}
				$signed = tempnam( sys_get_temp_dir(), 'signed' );
				//Workaround for PHP bug https://bugs.php.net/bug.php?id=69197
				if ( empty( $this->sign_extracerts_file ) ) {
					$sign = @openssl_pkcs7_sign(
						$file,
						$signed,
						'file://' . realpath( $this->sign_cert_file ),
						array( 'file://' . realpath( $this->sign_key_file ), $this->sign_key_pass ),
						null
					);
				} else {
					$sign = @openssl_pkcs7_sign(
						$file,
						$signed,
						'file://' . realpath( $this->sign_cert_file ),
						array( 'file://' . realpath( $this->sign_key_file ), $this->sign_key_pass ),
						null,
						PKCS7_DETACHED,
						$this->sign_extracerts_file
					);
				}
				if ( $sign ) {
					@unlink( $file );
					$body = file_get_contents( $signed );
					@unlink( $signed );
					//The message returned by openssl contains both headers and body, so need to split them up
					$parts            = explode( "\n\n", $body, 2 );
					$this->MIMEHeader .= $parts[0] . $this->LE . $this->LE;
					$body             = $parts[1];
				} else {
					@unlink( $file );
					@unlink( $signed );
					throw new phpmailerException( $this->lang( 'signing' ) . openssl_error_string() );
				}
			} catch ( phpmailerException $exc ) {
				$body = '';
				if ( $this->exceptions ) {
					throw $exc;
				}
			}
		}

		return $body;
	}

	/**
	 * Get the message MIME type headers.
	 * @access public
	 * @return string
	 */
	public function getMailMIME() {
		$result      = '';
		$ismultipart = true;
		switch ( $this->message_type ) {
			case 'inline':
				$result .= $this->headerLine( 'Content-Type', 'multipart/related;' );
				$result .= $this->textLine( "\tboundary=\"" . $this->boundary[1] . '"' );
				break;
			case 'attach':
			case 'inline_attach':
			case 'alt_attach':
			case 'alt_inline_attach':
				$result .= $this->headerLine( 'Content-Type', 'multipart/mixed;' );
				$result .= $this->textLine( "\tboundary=\"" . $this->boundary[1] . '"' );
				break;
			case 'alt':
			case 'alt_inline':
				$result .= $this->headerLine( 'Content-Type', 'multipart/alternative;' );
				$result .= $this->textLine( "\tboundary=\"" . $this->boundary[1] . '"' );
				break;
			default:
				// Catches case 'plain': and case '':
				$result      .= $this->textLine( 'Content-Type: ' . $this->ContentType . '; charset=' . $this->CharSet );
				$ismultipart = false;
				break;
		}
		// RFC1341 part 5 says 7bit is assumed if not specified
		if ( $this->Encoding != '7bit' ) {
			// RFC 2045 section 6.4 says multipart MIME parts may only use 7bit, 8bit or binary CTE
			if ( $ismultipart ) {
				if ( $this->Encoding == '8bit' ) {
					$result .= $this->headerLine( 'Content-Transfer-Encoding', '8bit' );
				}
				// The only remaining alternatives are quoted-printable and base64, which are both 7bit compatible
			} else {
				$result .= $this->headerLine( 'Content-Transfer-Encoding', $this->Encoding );
			}
		}

		if ( $this->Mailer != 'mail' ) {
			$result .= $this->LE;
		}

		return $result;
	}

	/**
	 * Format a header line.
	 * @access public
	 *
	 * @param string $name
	 * @param string $value
	 *
	 * @return string
	 */
	public function headerLine( $name, $value ) {
		return $name . ': ' . $value . $this->LE;
	}

	/**
	 * Return a formatted mail line.
	 * @access public
	 *
	 * @param string $value
	 *
	 * @return string
	 */
	public function textLine( $value ) {
		return $value . $this->LE;
	}

	/**
	 * Apply word wrapping to the message body.
	 * Wraps the message body to the number of chars set in the WordWrap property.
	 * You should only do this to plain-text bodies as wrapping HTML tags may break them.
	 * This is called automatically by createBody(), so you don't need to call it yourself.
	 * @access public
	 * @return void
	 */
	public function setWordWrap() {
		if ( $this->WordWrap < 1 ) {
			return;
		}

		switch ( $this->message_type ) {
			case 'alt':
			case 'alt_inline':
			case 'alt_attach':
			case 'alt_inline_attach':
				$this->AltBody = $this->wrapText( $this->AltBody, $this->WordWrap );
				break;
			default:
				$this->Body = $this->wrapText( $this->Body, $this->WordWrap );
				break;
		}
	}

	/**
	 * Detect if a string contains a line longer than the maximum line length allowed.
	 *
	 * @param string $str
	 *
	 * @return boolean
	 * @static
	 */
	public static function hasLineLongerThanMax( $str ) {
		//+2 to include CRLF line break for a 1000 total
		return (boolean) preg_match( '/^(.{' . ( self::MAX_LINE_LENGTH + 2 ) . ',})/m', $str );
	}

	/**
	 * Return the start of a message boundary.
	 * @access protected
	 *
	 * @param string $boundary
	 * @param string $charSet
	 * @param string $contentType
	 * @param string $encoding
	 *
	 * @return string
	 */
	protected 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;
		// RFC1341 part 5 says 7bit is assumed if not specified
		if ( $encoding != '7bit' ) {
			$result .= $this->headerLine( 'Content-Transfer-Encoding', $encoding );
		}
		$result .= $this->LE;

		return $result;
	}

	/**
	 * Encode a string in 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'
	 *
	 * @access public
	 * @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 string in quoted-printable format.
	 * According to RFC2045 section 6.7.
	 * @access public
	 *
	 * @param string $string The text to encode
	 * @param integer $line_max Number of chars allowed on a line before wrapping
	 *
	 * @return string
	 * @link http://www.php.net/manual/en/function.quoted-printable-decode.php#89417 Adapted from this comment
	 */
	public function encodeQP( $string, $line_max = 76 ) {
		// Use native function if it's available (>= PHP5.3)
		if ( function_exists( 'quoted_printable_encode' ) ) {
			return quoted_printable_encode( $string );
		}
		// Fall back to a pure PHP implementation
		$string = str_replace(
			array( '%20', '%0D%0A.', '%0D%0A', '%' ),
			array( ' ', "\r\n=2E", "\r\n", '=' ),
			rawurlencode( $string )
		);

		return preg_replace( '/[^\r\n]{' . ( $line_max - 3 ) . '}[^=\r\n]{2}/', "$0=\r\n", $string );
	}

	/**
	 * Attach all file, string, and binary attachments to the message.
	 * Returns an empty string on failure.
	 * @access protected
	 *
	 * @param string $disposition_type
	 * @param string $boundary
	 *
	 * @return string
	 */
	protected function attachAll( $disposition_type, $boundary ) {
		// Return text of body
		$mime    = array();
		$cidUniq = array();
		$incl    = array();

		// Add all attachments
		foreach ( $this->attachment as $attachment ) {
			// Check if it is a valid disposition_filter
			if ( $attachment[6] == $disposition_type ) {
				// Check for string attachment
				$string  = '';
				$path    = '';
				$bString = $attachment[5];
				if ( $bString ) {
					$string = $attachment[0];
				} else {
					$path = $attachment[0];
				}

				$inclhash = md5( serialize( $attachment ) );
				if ( in_array( $inclhash, $incl ) ) {
					continue;
				}
				$incl[]      = $inclhash;
				$name        = $attachment[2];
				$encoding    = $attachment[3];
				$type        = $attachment[4];
				$disposition = $attachment[6];
				$cid         = $attachment[7];
				if ( $disposition == 'inline' && array_key_exists( $cid, $cidUniq ) ) {
					continue;
				}
				$cidUniq[ $cid ] = true;

				$mime[] = sprintf( '--%s%s', $boundary, $this->LE );
				//Only include a filename property if we have one
				if ( ! empty( $name ) ) {
					$mime[] = sprintf(
						'Content-Type: %s; name="%s"%s',
						$type,
						$this->encodeHeader( $this->secureHeader( $name ) ),
						$this->LE
					);
				} else {
					$mime[] = sprintf(
						'Content-Type: %s%s',
						$type,
						$this->LE
					);
				}
				// RFC1341 part 5 says 7bit is assumed if not specified
				if ( $encoding != '7bit' ) {
					$mime[] = sprintf( 'Content-Transfer-Encoding: %s%s', $encoding, $this->LE );
				}

				if ( $disposition == 'inline' ) {
					$mime[] = sprintf( 'Content-ID: <%s>%s', $cid, $this->LE );
				}

				// If a filename contains any of these chars, it should be quoted,
				// but not otherwise: RFC2183 & RFC2045 5.1
				// Fixes a warning in IETF's msglint MIME checker
				// Allow for bypassing the Content-Disposition header totally
				if ( ! ( empty( $disposition ) ) ) {
					$encoded_name = $this->encodeHeader( $this->secureHeader( $name ) );
					if ( preg_match( '/[ \(\)<>@,;:\\"\/\[\]\?=]/', $encoded_name ) ) {
						$mime[] = sprintf(
							'Content-Disposition: %s; filename="%s"%s',
							$disposition,
							$encoded_name,
							$this->LE . $this->LE
						);
					} else {
						if ( ! empty( $encoded_name ) ) {
							$mime[] = sprintf(
								'Content-Disposition: %s; filename=%s%s',
								$disposition,
								$encoded_name,
								$this->LE . $this->LE
							);
						} else {
							$mime[] = sprintf(
								'Content-Disposition: %s%s',
								$disposition,
								$this->LE . $this->LE
							);
						}
					}
				} else {
					$mime[] = $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', $boundary, $this->LE );

		return implode( '', $mime );
	}

	/**
	 * Check if an error occurred.
	 * @access public
	 * @return boolean True if an error did occur.
	 */
	public function isError() {
		return ( $this->error_count > 0 );
	}

	/**
	 * Encode a file 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'
	 *
	 * @throws phpmailerException
	 * @access protected
	 * @return string
	 */
	protected 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( false );
				} else {
					//Doesn't exist in PHP 5.4, but we don't need to check because
					//get_magic_quotes_runtime always returns false in 5.4+
					//so it will never get here
					ini_set( 'magic_quotes_runtime', false );
				}
			}
			$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 $exc ) {
			$this->setError( $exc->getMessage() );

			return '';
		}
	}

	/**
	 * Return the end of a message boundary.
	 * @access protected
	 *
	 * @param string $boundary
	 *
	 * @return string
	 */
	protected function endBoundary( $boundary ) {
		return $this->LE . '--' . $boundary . '--' . $this->LE;
	}

	/**
	 * Assemble message headers.
	 * @access public
	 * @return string The assembled headers
	 */
	public function createHeader() {
		$result = '';

		if ( $this->MessageDate == '' ) {
			$this->MessageDate = self::rfcDate();
		}
		$result .= $this->headerLine( 'Date', $this->MessageDate );

		// To be created automatically by mail()
		if ( $this->SingleTo ) {
			if ( $this->Mailer != 'mail' ) {
				foreach ( $this->to as $toaddr ) {
					$this->SingleToArray[] = $this->addrFormat( $toaddr );
				}
			}
		} else {
			if ( count( $this->to ) > 0 ) {
				if ( $this->Mailer != 'mail' ) {
					$result .= $this->addrAppend( 'To', $this->to );
				}
			} elseif ( count( $this->cc ) == 0 ) {
				$result .= $this->headerLine( 'To', 'undisclosed-recipients:;' );
			}
		}

		$result .= $this->addrAppend( 'From', array( array( trim( $this->From ), $this->FromName ) ) );

		// 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' or $this->Mailer == 'qmail' or $this->Mailer == 'mail'
		     )
		     and 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 ( '' != $this->MessageID and preg_match( '/^<.*@.*>$/', $this->MessageID ) ) {
			$this->lastMessageID = $this->MessageID;
		} else {
			$this->lastMessageID = sprintf( '<%s@%s>', $this->uniqueid, $this->serverHostname() );
		}
		$result .= $this->headerLine( 'Message-ID', $this->lastMessageID );
		if ( ! is_null( $this->Priority ) ) {
			$result .= $this->headerLine( 'X-Priority', $this->Priority );
		}
		if ( $this->XMailer == '' ) {
			$result .= $this->headerLine(
				'X-Mailer',
				'PHPMailer ' . $this->Version . ' (https://github.com/PHPMailer/PHPMailer)'
			);
		} else {
			$myXmailer = trim( $this->XMailer );
			if ( $myXmailer ) {
				$result .= $this->headerLine( 'X-Mailer', $myXmailer );
			}
		}

		if ( $this->ConfirmReadingTo != '' ) {
			$result .= $this->headerLine( 'Disposition-Notification-To', '<' . $this->ConfirmReadingTo . '>' );
		}

		// Add custom headers
		foreach ( $this->CustomHeader as $header ) {
			$result .= $this->headerLine(
				trim( $header[0] ),
				$this->encodeHeader( trim( $header[1] ) )
			);
		}
		if ( ! $this->sign_key_file ) {
			$result .= $this->headerLine( 'MIME-Version', '1.0' );
			$result .= $this->getMailMIME();
		}

		return $result;
	}

	/**
	 * Return an RFC 822 formatted date.
	 * @access public
	 * @return string
	 * @static
	 */
	public static function rfcDate() {
		// Set the time zone to whatever the default is to avoid 500 errors
		// Will default to UTC if it's not set properly in php.ini
		date_default_timezone_set( @date_default_timezone_get() );

		return date( 'D, j M Y H:i:s O' );
	}

	/**
	 * Format an address for use in a message header.
	 * @access public
	 *
	 * @param array $addr A 2-element indexed array, element 0 containing an address, element 1 containing a name
	 *      like array('joe@example.com', 'Joe User')
	 *
	 * @return string
	 */
	public function addrFormat( $addr ) {
		if ( empty( $addr[1] ) ) { // No name provided
			return $this->secureHeader( $addr[0] );
		} else {
			return $this->encodeHeader( $this->secureHeader( $addr[1] ), 'phrase' ) . ' <' . $this->secureHeader(
					$addr[0]
				) . '>';
		}
	}

	/**
	 * Create recipient headers.
	 * @access public
	 *
	 * @param string $type
	 * @param array $addr An array of recipient,
	 * where each recipient is a 2-element indexed array with element 0 containing an address
	 * and element 1 containing a name, like:
	 * array(array('joe@example.com', 'Joe User'), array('zoe@example.com', 'Zoe User'))
	 *
	 * @return string
	 */
	public function addrAppend( $type, $addr ) {
		$addresses = array();
		foreach ( $addr as $address ) {
			$addresses[] = $this->addrFormat( $address );
		}

		return $type . ': ' . implode( ', ', $addresses ) . $this->LE;
	}

	/**
	 * Get the server hostname.
	 * Returns 'localhost.localdomain' if unknown.
	 * @access protected
	 * @return string
	 */
	protected function serverHostname() {
		$result = 'localhost.localdomain';
		if ( ! empty( $this->Hostname ) ) {
			$result = $this->Hostname;
		} elseif ( isset( $_SERVER ) and array_key_exists( 'SERVER_NAME', $_SERVER ) and ! empty( $_SERVER['SERVER_NAME'] ) ) {
			$result = $_SERVER['SERVER_NAME'];
		} elseif ( function_exists( 'gethostname' ) && gethostname() !== false ) {
			$result = gethostname();
		} elseif ( php_uname( 'n' ) !== false ) {
			$result = php_uname( 'n' );
		}

		return $result;
	}

	/**
	 * Create the DKIM header and body in a new message header.
	 * @access public
	 *
	 * @param string $headers_line Header lines
	 * @param string $subject Subject
	 * @param string $body Body
	 *
	 * @return string
	 */
	public function DKIM_Add( $headers_line, $subject, $body ) {
		$DKIMsignatureType    = 'rsa-sha256'; // 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( $this->LE, $headers_line );
		$from_header          = '';
		$to_header            = '';
		$date_header          = '';
		$current              = '';
		foreach ( $headers as $header ) {
			if ( strpos( $header, 'From:' ) === 0 ) {
				$from_header = $header;
				$current     = 'from_header';
			} elseif ( strpos( $header, 'To:' ) === 0 ) {
				$to_header = $header;
				$current   = 'to_header';
			} elseif ( strpos( $header, 'Date:' ) === 0 ) {
				$date_header = $header;
				$current     = 'date_header';
			} else {
				if ( ! empty( $$current ) && strpos( $header, ' =?' ) === 0 ) {
					$$current .= $header;
				} else {
					$current = '';
				}
			}
		}
		$from    = str_replace( '|', '=7C', $this->DKIM_QP( $from_header ) );
		$to      = str_replace( '|', '=7C', $this->DKIM_QP( $to_header ) );
		$date    = str_replace( '|', '=7C', $this->DKIM_QP( $date_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*', hash( 'sha256', $body ) ) ); // Base64 of packed binary SHA-256 hash of body
		if ( '' == $this->DKIM_identity ) {
			$ident = '';
		} else {
			$ident = ' 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:Date:Subject;\r\n" .
		            "\td=" . $this->DKIM_domain . ';' . $ident . "\r\n" .
		            "\tz=$from\r\n" .
		            "\t|$to\r\n" .
		            "\t|$date\r\n" .
		            "\t|$subject;\r\n" .
		            "\tbh=" . $DKIMb64 . ";\r\n" .
		            "\tb=";
		$toSign   = $this->DKIM_HeaderC(
			$from_header . "\r\n" .
			$to_header . "\r\n" .
			$date_header . "\r\n" .
			$subject_header . "\r\n" .
			$dkimhdrs
		);
		$signed   = $this->DKIM_Sign( $toSign );

		return $dkimhdrs . $signed . "\r\n";
	}

	/**
	 * Quoted-Printable-encode a DKIM header.
	 * @access public
	 *
	 * @param string $txt
	 *
	 * @return string
	 */
	public function DKIM_QP( $txt ) {
		$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 a DKIM canonicalization body.
	 * @access public
	 *
	 * @param string $body Message Body
	 *
	 * @return string
	 */
	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;
	}

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

		return $signHeader;
	}

	/**
	 * Generate a DKIM signature.
	 * @access public
	 *
	 * @param string $signHeader
	 *
	 * @throws phpmailerException
	 * @return string
	 */
	public function DKIM_Sign( $signHeader ) {
		if ( ! defined( 'PKCS7_TEXT' ) ) {
			if ( $this->exceptions ) {
				throw new phpmailerException( $this->lang( 'extension_missing' ) . 'openssl' );
			}

			return '';
		}
		$privKeyStr = file_get_contents( $this->DKIM_private );
		if ( $this->DKIM_passphrase != '' ) {
			$privKey = openssl_pkey_get_private( $privKeyStr, $this->DKIM_passphrase );
		} else {
			$privKey = openssl_pkey_get_private( $privKeyStr );
		}
		if ( openssl_sign( $signHeader, $signature, $privKey, 'sha256WithRSAEncryption' ) ) { //sha1WithRSAEncryption
			openssl_pkey_free( $privKey );

			return base64_encode( $signature );
		}
		openssl_pkey_free( $privKey );

		return '';
	}

	/**
	 * Actually send a message.
	 * Send the email via the selected mechanism
	 * @throws phpmailerException
	 * @return boolean
	 */
	public function postSend() {
		try {
			// Choose the mailer and send through it
			switch ( $this->Mailer ) {
				case 'sendmail':
				case 'qmail':
					return $this->sendmailSend( $this->MIMEHeader, $this->MIMEBody );
				case 'smtp':
					return $this->smtpSend( $this->MIMEHeader, $this->MIMEBody );
				case 'mail':
					return $this->mailSend( $this->MIMEHeader, $this->MIMEBody );
				default:
					$sendMethod = $this->Mailer . 'Send';
					if ( method_exists( $this, $sendMethod ) ) {
						return $this->$sendMethod( $this->MIMEHeader, $this->MIMEBody );
					}

					return $this->mailSend( $this->MIMEHeader, $this->MIMEBody );
			}
		} catch ( phpmailerException $exc ) {
			$this->setError( $exc->getMessage() );
			$this->edebug( $exc->getMessage() );
			if ( $this->exceptions ) {
				throw $exc;
			}
		}

		return false;
	}

	/**
	 * Send mail using the $Sendmail program.
	 *
	 * @param string $header The message headers
	 * @param string $body The message body
	 *
	 * @see PHPMailer::$Sendmail
	 * @throws phpmailerException
	 * @access protected
	 * @return boolean
	 */
	protected function sendmailSend( $header, $body ) {
		if ( $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 ) {
			foreach ( $this->SingleToArray as $toAddr ) {
				if ( ! @$mail = popen( $sendmail, 'w' ) ) {
					throw new phpmailerException( $this->lang( 'execute' ) . $this->Sendmail, self::STOP_CRITICAL );
				}
				fputs( $mail, 'To: ' . $toAddr . "\n" );
				fputs( $mail, $header );
				fputs( $mail, $body );
				$result = pclose( $mail );
				$this->doCallback(
					( $result == 0 ),
					array( $toAddr ),
					$this->cc,
					$this->bcc,
					$this->Subject,
					$body,
					$this->From
				);
				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 );
			$this->doCallback(
				( $result == 0 ),
				$this->to,
				$this->cc,
				$this->bcc,
				$this->Subject,
				$body,
				$this->From
			);
			if ( $result != 0 ) {
				throw new phpmailerException( $this->lang( 'execute' ) . $this->Sendmail, self::STOP_CRITICAL );
			}
		}

		return true;
	}

	/**
	 * Perform a callback.
	 *
	 * @param boolean $isSent
	 * @param array $to
	 * @param array $cc
	 * @param array $bcc
	 * @param string $subject
	 * @param string $body
	 * @param string $from
	 */
	protected function doCallback( $isSent, $to, $cc, $bcc, $subject, $body, $from ) {
		if ( ! empty( $this->action_function ) && is_callable( $this->action_function ) ) {
			$params = array( $isSent, $to, $cc, $bcc, $subject, $body, $from );
			call_user_func_array( $this->action_function, $params );
		}
	}

	/**
	 * Send mail via SMTP.
	 * Returns false if there is a bad MAIL FROM, RCPT, or DATA input.
	 * Uses the PHPMailerSMTP class by default.
	 * @see  PHPMailer::getSMTPInstance() to use a different class.
	 *
	 * @param string $header The message headers
	 * @param string $body The message body
	 *
	 * @throws phpmailerException
	 * @uses SMTP
	 * @access protected
	 * @return boolean
	 */
	protected function smtpSend( $header, $body ) {
		$bad_rcpt = array();
		if ( ! $this->smtpConnect( $this->SMTPOptions ) ) {
			throw new phpmailerException( $this->lang( 'smtp_connect_failed' ), self::STOP_CRITICAL );
		}
		if ( '' == $this->Sender ) {
			$smtp_from = $this->From;
		} else {
			$smtp_from = $this->Sender;
		}
		if ( ! $this->smtp->mail( $smtp_from ) ) {
			$this->setError( $this->lang( 'from_failed' ) . $smtp_from . ' : ' . implode( ',', $this->smtp->getError() ) );
			throw new phpmailerException( $this->ErrorInfo, self::STOP_CRITICAL );
		}

		// Attempt to send to all recipients
		foreach ( array( $this->to, $this->cc, $this->bcc ) as $togroup ) {
			foreach ( $togroup as $to ) {
				if ( ! $this->smtp->recipient( $to[0] ) ) {
					$error      = $this->smtp->getError();
					$bad_rcpt[] = array( 'to' => $to[0], 'error' => $error['detail'] );
					$isSent     = false;
				} else {
					$isSent = true;
				}
				$this->doCallback( $isSent, array( $to[0] ), array(), array(), $this->Subject, $body, $this->From );
			}
		}

		// Only send the DATA command if we have viable recipients
		if ( ( count( $this->all_recipients ) > count( $bad_rcpt ) ) and ! $this->smtp->data( $header . $body ) ) {
			throw new phpmailerException( $this->lang( 'data_not_accepted' ), self::STOP_CRITICAL );
		}
		if ( $this->SMTPKeepAlive ) {
			$this->smtp->reset();
		} else {
			$this->smtp->quit();
			$this->smtp->close();
		}
		//Create error message for any bad addresses
		if ( count( $bad_rcpt ) > 0 ) {
			$errstr = '';
			foreach ( $bad_rcpt as $bad ) {
				$errstr .= $bad['to'] . ': ' . $bad['error'];
			}
			throw new phpmailerException(
				$this->lang( 'recipients_failed' ) . $errstr,
				self::STOP_CONTINUE
			);
		}

		return true;
	}

	/**
	 * Initiate a connection to an SMTP server.
	 * Returns false if the operation failed.
	 *
	 * @param array $options An array of options compatible with stream_context_create()
	 *
	 * @return bool
	 * @throws null
	 * @throws phpmailerException
	 * @uses SMTP
	 * @access public
	 */
	public function smtpConnect( $options = array() ) {
		if ( is_null( $this->smtp ) ) {
			$this->smtp = $this->getSMTPInstance();
		}

		// Already connected?
		if ( $this->smtp->connected() ) {
			return true;
		}

		$this->smtp->setTimeout( $this->Timeout );
		$this->smtp->setDebugLevel( $this->SMTPDebug );
		$this->smtp->setDebugOutput( $this->Debugoutput );
		$this->smtp->setVerp( $this->do_verp );
		$hosts         = explode( ';', $this->Host );
		$lastexception = null;

		foreach ( $hosts as $hostentry ) {
			$hostinfo = array();
			if ( ! preg_match( '/^((ssl|tls):\/\/)*([a-zA-Z0-9\.-]*):?([0-9]*)$/', trim( $hostentry ), $hostinfo ) ) {
				// Not a valid host entry
				continue;
			}
			// $hostinfo[2]: optional ssl or tls prefix
			// $hostinfo[3]: the hostname
			// $hostinfo[4]: optional port number
			// The host string prefix can temporarily override the current setting for SMTPSecure
			// If it's not specified, the default value is used
			$prefix = '';
			$secure = $this->SMTPSecure;
			$tls    = ( $this->SMTPSecure == 'tls' );
			if ( 'ssl' == $hostinfo[2] or ( '' == $hostinfo[2] and 'ssl' == $this->SMTPSecure ) ) {
				$prefix = 'ssl://';
				$tls    = false; // Can't have SSL and TLS at the same time
				$secure = 'ssl';
			} elseif ( $hostinfo[2] == 'tls' ) {
				$tls = true;
				// tls doesn't use a prefix
				$secure = 'tls';
			}
			//Do we need the OpenSSL extension?
			$sslext = defined( 'OPENSSL_ALGO_SHA1' );
			if ( 'tls' === $secure or 'ssl' === $secure ) {
				//Check for an OpenSSL constant rather than using extension_loaded, which is sometimes disabled
				if ( ! $sslext ) {
					throw new phpmailerException( $this->lang( 'extension_missing' ) . 'openssl', self::STOP_CRITICAL );
				}
			}
			$host  = $hostinfo[3];
			$port  = $this->Port;
			$tport = (integer) $hostinfo[4];
			if ( $tport > 0 and $tport < 65536 ) {
				$port = $tport;
			}
			if ( $this->smtp->connect( $prefix . $host, $port, $this->Timeout, $options ) ) {
				try {
					if ( $this->Helo ) {
						$hello = $this->Helo;
					} else {
						$hello = $this->serverHostname();
					}
					$this->smtp->hello( $hello );
					//Automatically enable TLS encryption if:
					// * it's not disabled
					// * we have openssl extension
					// * we are not already using SSL
					// * the server offers STARTTLS
					if ( $this->SMTPAutoTLS and $sslext and $secure != 'ssl' and $this->smtp->getServerExt( 'STARTTLS' ) ) {
						$tls = true;
					}
					if ( $tls ) {
						if ( ! $this->smtp->startTLS() ) {
							throw new phpmailerException( $this->lang( 'connect_host' ) );
						}
						// We must resend HELO after tls negotiation
						$this->smtp->hello( $hello );
					}
					if ( $this->SMTPAuth ) {
						if ( ! $this->smtp->authenticate(
							$this->Username,
							$this->Password,
							$this->AuthType,
							$this->Realm,
							$this->Workstation
						)
						) {
							throw new phpmailerException( $this->lang( 'authenticate' ) );
						}
					}

					return true;
				} catch ( phpmailerException $exc ) {
					$lastexception = $exc;
					$this->edebug( $exc->getMessage() );
					// We must have connected, but then failed TLS or Auth, so close connection nicely
					$this->smtp->quit();
				}
			}
		}
		// If we get here, all connection attempts have failed, so close connection hard
		$this->smtp->close();
		// As we've caught all exceptions, just report whatever the last one was
		if ( $this->exceptions and ! is_null( $lastexception ) ) {
			throw $lastexception;
		}

		return false;
	}

	/**
	 * Get an instance to use for SMTP operations.
	 * Override this function to load your own SMTP implementation
	 * @return SMTP
	 */
	public function getSMTPInstance() {
		if ( ! is_object( $this->smtp ) ) {
			$this->smtp = new SMTP;
		}

		return $this->smtp;
	}

	/**
	 * Send mail using the PHP mail() function.
	 *
	 * @param string $header The message headers
	 * @param string $body The message body
	 *
	 * @link http://www.php.net/manual/en/book.mail.php
	 * @throws phpmailerException
	 * @access protected
	 * @return boolean
	 */
	protected function mailSend( $header, $body ) {
		$toArr = array();
		foreach ( $this->to as $toaddr ) {
			$toArr[] = $this->addrFormat( $toaddr );
		}
		$to = implode( ', ', $toArr );

		if ( empty( $this->Sender ) ) {
			$params = ' ';
		} else {
			$params = sprintf( '-f%s', $this->Sender );
		}
		if ( $this->Sender != '' and ! ini_get( 'safe_mode' ) ) {
			$old_from = ini_get( 'sendmail_from' );
			ini_set( 'sendmail_from', $this->Sender );
		}
		$result = false;
		if ( $this->SingleTo && count( $toArr ) > 1 ) {
			foreach ( $toArr as $toAddr ) {
				$result = $this->mailPassthru( $toAddr, $this->Subject, $body, $header, $params );
				$this->doCallback( $result, array( $toAddr ), $this->cc, $this->bcc, $this->Subject, $body, $this->From );
			}
		} else {
			$result = $this->mailPassthru( $to, $this->Subject, $body, $header, $params );
			$this->doCallback( $result, $this->to, $this->cc, $this->bcc, $this->Subject, $body, $this->From );
		}
		if ( isset( $old_from ) ) {
			ini_set( 'sendmail_from', $old_from );
		}
		if ( ! $result ) {
			throw new phpmailerException( $this->lang( 'instantiate' ), self::STOP_CRITICAL );
		}

		return true;
	}

	/**
	 * Call mail() in a safe_mode-aware fashion.
	 * Also, unless sendmail_path points to sendmail (or something that
	 * claims to be sendmail), don't pass params (not a perfect fix,
	 * but it will do)
	 *
	 * @param string $to To
	 * @param string $subject Subject
	 * @param string $body Message Body
	 * @param string $header Additional Header(s)
	 * @param string $params Params
	 *
	 * @access private
	 * @return boolean
	 */
	private function mailPassthru( $to, $subject, $body, $header, $params ) {
		//Check overloading of mail function to avoid double-encoding
		if ( ini_get( 'mbstring.func_overload' ) & 1 ) {
			$subject = $this->secureHeader( $subject );
		} else {
			$subject = $this->encodeHeader( $this->secureHeader( $subject ) );
		}
		if ( ini_get( 'safe_mode' ) || ! ( $this->UseSendmailOptions ) ) {
			$result = @mail( $to, $subject, $body, $header );
		} else {
			$result = @mail( $to, $subject, $body, $header, $params );
		}

		return $result;
	}

	/**
	 * Strip newlines to prevent header injection.
	 * @access public
	 *
	 * @param string $str
	 *
	 * @return string
	 */
	public function secureHeader( $str ) {
		return trim( str_replace( array( "\r", "\n" ), '', $str ) );
	}

	/**
	 * Encode a header string optimally.
	 * Picks shortest of Q, B, quoted-printable or none.
	 * @access public
	 *
	 * @param string $str
	 * @param string $position
	 *
	 * @return string
	 */
	public function encodeHeader( $str, $position = 'text' ) {
		$matchcount = 0;
		switch ( strtolower( $position ) ) {
			case 'phrase':
				if ( ! preg_match( '/[\200-\377]/', $str ) ) {
					// Can't use addslashes as we don't know the value of magic_quotes_sybase
					$encoded = addcslashes( $str, "\0..\37\177\\\"" );
					if ( ( $str == $encoded ) && ! preg_match( '/[^A-Za-z0-9!#$%&\'*+\/=?^_`{|}~ -]/', $str ) ) {
						return ( $encoded );
					} else {
						return ( "\"$encoded\"" );
					}
				}
				$matchcount = preg_match_all( '/[^\040\041\043-\133\135-\176]/', $str, $matches );
				break;
			/** @noinspection PhpMissingBreakStatementInspection */
			case 'comment':
				$matchcount = preg_match_all( '/[()"]/', $str, $matches );
			// Intentional fall-through
			case 'text':
			default:
				$matchcount += preg_match_all( '/[\000-\010\013\014\016-\037\177-\377]/', $str, $matches );
				break;
		}

		//There are no chars that need encoding
		if ( $matchcount == 0 ) {
			return ( $str );
		}

		$maxlen = 75 - 7 - strlen( $this->CharSet );
		// Try to select the encoding which should produce the shortest output
		if ( $matchcount > strlen( $str ) / 3 ) {
			// More than a third of the content will need encoding, so B encoding will be most efficient
			$encoding = 'B';
			if ( function_exists( 'mb_strlen' ) && $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, "\n" );
			} else {
				$encoded = base64_encode( $str );
				$maxlen  -= $maxlen % 4;
				$encoded = trim( chunk_split( $encoded, $maxlen, "\n" ) );
			}
		} else {
			$encoding = 'Q';
			$encoded  = $this->encodeQ( $str, $position );
			$encoded  = $this->wrapText( $encoded, $maxlen, true );
			$encoded  = str_replace( '=' . self::CRLF, "\n", trim( $encoded ) );
		}

		$encoded = preg_replace( '/^(.*)$/m', ' =?' . $this->CharSet . "?$encoding?\\1?=", $encoded );
		$encoded = trim( str_replace( "\n", $this->LE, $encoded ) );

		return $encoded;
	}

	/**
	 * Check if a string contains multi-byte characters.
	 * @access public
	 *
	 * @param string $str multi-byte text to wrap encode
	 *
	 * @return boolean
	 */
	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;
		}
	}

	/**
	 * Encode and wrap long multibyte strings for mail headers
	 * without breaking lines within a character.
	 * Adapted from a function by paravoid
	 * @link http://www.php.net/manual/en/function.mb-encode-mimeheader.php#60283
	 * @access public
	 *
	 * @param string $str multi-byte text to wrap encode
	 * @param string $linebreak string to use as linefeed/end-of-line
	 *
	 * @return string
	 */
	public function base64EncodeWrapMB( $str, $linebreak = null ) {
		$start   = '=?' . $this->CharSet . '?B?';
		$end     = '?=';
		$encoded = '';
		if ( $linebreak === null ) {
			$linebreak = $this->LE;
		}

		$mb_length = mb_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
		$avgLength = floor( $length * $ratio * .75 );

		for ( $i = 0; $i < $mb_length; $i += $offset ) {
			$lookBack = 0;
			do {
				$offset = $avgLength - $lookBack;
				$chunk  = mb_substr( $str, $i, $offset, $this->CharSet );
				$chunk  = base64_encode( $chunk );
				$lookBack ++;
			} while ( strlen( $chunk ) > $length );
			$encoded .= $chunk . $linebreak;
		}

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

		return $encoded;
	}

	/**
	 * Encode a string using Q encoding.
	 * @link 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
	 *
	 * @access public
	 * @return string
	 */
	public function encodeQ( $str, $position = 'text' ) {
		// There should not be any EOL in the string
		$pattern = '';
		$encoded = str_replace( array( "\r", "\n" ), '', $str );
		switch ( strtolower( $position ) ) {
			case 'phrase':
				// RFC 2047 section 5.3
				$pattern = '^A-Za-z0-9!*+\/ -';
				break;
			/** @noinspection PhpMissingBreakStatementInspection */
			case 'comment':
				// RFC 2047 section 5.2
				$pattern = '\(\)"';
			// intentional fall-through
			// for this reason we build the $pattern without including delimiters and []
			case 'text':
			default:
				// RFC 2047 section 5.1
				// Replace every high ascii, control, =, ? and _ characters
				$pattern = '\000-\011\013\014\016-\037\075\077\137\177-\377' . $pattern;
				break;
		}
		$matches = array();
		if ( preg_match_all( "/[{$pattern}]/", $encoded, $matches ) ) {
			// If the string contains an '=', make sure it's the first thing we replace
			// so as to avoid double-encoding
			$eqkey = array_search( '=', $matches[0] );
			if ( false !== $eqkey ) {
				unset( $matches[0][ $eqkey ] );
				array_unshift( $matches[0], '=' );
			}
			foreach ( array_unique( $matches[0] ) as $char ) {
				$encoded = str_replace( $char, '=' . sprintf( '%02X', ord( $char ) ), $encoded );
			}
		}

		// Replace every spaces to _ (more readable than =20)
		return str_replace( ' ', '_', $encoded );
	}

	/**
	 * Word-wrap message.
	 * For use with mailers that do not automatically perform wrapping
	 * and for quoted-printable encoded messages.
	 * Original written by philippe.
	 *
	 * @param string $message The message to wrap
	 * @param integer $length The line length to wrap to
	 * @param boolean $qp_mode Whether to run in Quoted-Printable mode
	 *
	 * @access public
	 * @return string
	 */
	public function wrapText( $message, $length, $qp_mode = false ) {
		if ( $qp_mode ) {
			$soft_break = sprintf( ' =%s', $this->LE );
		} else {
			$soft_break = $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' );
		$lelen   = strlen( $this->LE );
		$crlflen = strlen( self::CRLF );

		$message = $this->fixEOL( $message );
		//Remove a trailing line break
		if ( substr( $message, - $lelen ) == $this->LE ) {
			$message = substr( $message, 0, - $lelen );
		}

		//Split message into lines
		$lines = explode( $this->LE, $message );
		//Message will be rebuilt in here
		$message = '';
		foreach ( $lines as $line ) {
			$words     = explode( ' ', $line );
			$buf       = '';
			$firstword = true;
			foreach ( $words as $word ) {
				if ( $qp_mode and ( strlen( $word ) > $length ) ) {
					$space_left = $length - strlen( $buf ) - $crlflen;
					if ( ! $firstword ) {
						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', self::CRLF );
						} else {
							$message .= $buf . $soft_break;
						}
						$buf = '';
					}
					while ( strlen( $word ) > 0 ) {
						if ( $length <= 0 ) {
							break;
						}
						$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', self::CRLF );
						} else {
							$buf = $part;
						}
					}
				} else {
					$buf_o = $buf;
					if ( ! $firstword ) {
						$buf .= ' ';
					}
					$buf .= $word;

					if ( strlen( $buf ) > $length and $buf_o != '' ) {
						$message .= $buf_o . $soft_break;
						$buf     = $word;
					}
				}
				$firstword = false;
			}
			$message .= $buf . self::CRLF;
		}

		return $message;
	}

	/**
	 * Ensure consistent line endings in a string.
	 * Changes every end of line from CRLF, CR or LF to $this->LE.
	 * @access public
	 *
	 * @param string $str String to fixEOL
	 *
	 * @return string
	 */
	public function fixEOL( $str ) {
		// Normalise to \n
		$nstr = str_replace( array( "\r\n", "\r" ), "\n", $str );
		// Now convert LE as needed
		if ( $this->LE !== "\n" ) {
			$nstr = str_replace( "\n", $this->LE, $nstr );
		}

		return $nstr;
	}

	/**
	 * Find the 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 integer $maxLength Find the last character boundary prior to this length
	 *
	 * @return integer
	 */
	public function utf8CharBoundary( $encodedText, $maxLength ) {
		$foundSplitPos = false;
		$lookBack      = 3;
		while ( ! $foundSplitPos ) {
			$lastChunk      = substr( $encodedText, $maxLength - $lookBack, $lookBack );
			$encodedCharPos = strpos( $lastChunk, '=' );
			if ( false !== $encodedCharPos ) {
				// 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
					if ( $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;
	}

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

	/**
	 * Returns the whole MIME message.
	 * Includes complete headers and body.
	 * Only valid post preSend().
	 * @see PHPMailer::preSend()
	 * @access public
	 * @return string
	 */
	public function getSentMIMEMessage() {
		return rtrim( $this->MIMEHeader . $this->mailHeader, "\n\r" ) . self::CRLF . self::CRLF . $this->MIMEBody;
	}

	/**
	 * Add an attachment from a path on the filesystem.
	 * Returns false if the file could not be found or read.
	 *
	 * @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.
	 * @param string $disposition Disposition to use
	 *
	 * @throws phpmailerException
	 * @return boolean
	 */
	public function addAttachment( $path, $name = '', $encoding = 'base64', $type = '', $disposition = 'attachment' ) {
		try {
			if ( ! @is_file( $path ) ) {
				throw new phpmailerException( $this->lang( 'file_access' ) . $path, self::STOP_CONTINUE );
			}

			// If a MIME type is not specified, try to work it out from the file name
			if ( $type == '' ) {
				$type = self::filenameToType( $path );
			}

			$filename = basename( $path );
			if ( $name == '' ) {
				$name = $filename;
			}

			$this->attachment[] = array(
				0 => $path,
				1 => $filename,
				2 => $name,
				3 => $encoding,
				4 => $type,
				5 => false, // isStringAttachment
				6 => $disposition,
				7 => 0
			);

		} catch ( phpmailerException $exc ) {
			$this->setError( $exc->getMessage() );
			$this->edebug( $exc->getMessage() );
			if ( $this->exceptions ) {
				throw $exc;
			}

			return false;
		}

		return true;
	}

	/**
	 * Map a file name to a MIME type.
	 * Defaults to 'application/octet-stream', i.e.. arbitrary binary data.
	 *
	 * @param string $filename A file name or full path, does not need to exist as a file
	 *
	 * @return string
	 * @static
	 */
	public static function filenameToType( $filename ) {
		// In case the path is a URL, strip any query string before getting extension
		$qpos = strpos( $filename, '?' );
		if ( false !== $qpos ) {
			$filename = substr( $filename, 0, $qpos );
		}
		$pathinfo = self::mb_pathinfo( $filename );

		return self::_mime_types( $pathinfo['extension'] );
	}

	/**
	 * Multi-byte-safe pathinfo replacement.
	 * Drop-in replacement for pathinfo(), but multibyte-safe, cross-platform-safe, old-version-safe.
	 * Works similarly to the one in PHP >= 5.2.0
	 * @link http://www.php.net/manual/en/function.pathinfo.php#107461
	 *
	 * @param string $path A filename or path, does not need to exist as a file
	 * @param integer|string $options Either a PATHINFO_* constant,
	 *      or a string name to return only the specified piece, allows 'filename' to work on PHP < 5.2
	 *
	 * @return string|array
	 * @static
	 */
	public static function mb_pathinfo( $path, $options = null ) {
		$ret      = array( 'dirname' => '', 'basename' => '', 'extension' => '', 'filename' => '' );
		$pathinfo = array();
		if ( preg_match( '%^(.*?)[\\\\/]*(([^/\\\\]*?)(\.([^\.\\\\/]+?)|))[\\\\/\.]*$%im', $path, $pathinfo ) ) {
			if ( array_key_exists( 1, $pathinfo ) ) {
				$ret['dirname'] = $pathinfo[1];
			}
			if ( array_key_exists( 2, $pathinfo ) ) {
				$ret['basename'] = $pathinfo[2];
			}
			if ( array_key_exists( 5, $pathinfo ) ) {
				$ret['extension'] = $pathinfo[5];
			}
			if ( array_key_exists( 3, $pathinfo ) ) {
				$ret['filename'] = $pathinfo[3];
			}
		}
		switch ( $options ) {
			case PATHINFO_DIRNAME:
			case 'dirname':
				return $ret['dirname'];
			case PATHINFO_BASENAME:
			case 'basename':
				return $ret['basename'];
			case PATHINFO_EXTENSION:
			case 'extension':
				return $ret['extension'];
			case PATHINFO_FILENAME:
			case 'filename':
				return $ret['filename'];
			default:
				return $ret;
		}
	}

	/**
	 * Get the MIME type for a file extension.
	 *
	 * @param string $ext File extension
	 *
	 * @access public
	 * @return string MIME type of file.
	 * @static
	 */
	public static function _mime_types( $ext = '' ) {
		$mimes = array(
			'xl'    => 'application/excel',
			'js'    => 'application/javascript',
			'hqx'   => 'application/mac-binhex40',
			'cpt'   => 'application/mac-compactpro',
			'bin'   => 'application/macbinary',
			'doc'   => 'application/msword',
			'word'  => 'application/msword',
			'xlsx'  => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
			'xltx'  => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
			'potx'  => 'application/vnd.openxmlformats-officedocument.presentationml.template',
			'ppsx'  => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
			'pptx'  => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
			'sldx'  => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
			'docx'  => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
			'dotx'  => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
			'xlam'  => 'application/vnd.ms-excel.addin.macroEnabled.12',
			'xlsb'  => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
			'class' => 'application/octet-stream',
			'dll'   => 'application/octet-stream',
			'dms'   => 'application/octet-stream',
			'exe'   => 'application/octet-stream',
			'lha'   => 'application/octet-stream',
			'lzh'   => 'application/octet-stream',
			'psd'   => 'application/octet-stream',
			'sea'   => 'application/octet-stream',
			'so'    => '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',
			'php3'  => 'application/x-httpd-php',
			'php4'  => 'application/x-httpd-php',
			'php'   => 'application/x-httpd-php',
			'phtml' => 'application/x-httpd-php',
			'phps'  => 'application/x-httpd-php-source',
			'swf'   => 'application/x-shockwave-flash',
			'sit'   => 'application/x-stuffit',
			'tar'   => 'application/x-tar',
			'tgz'   => 'application/x-tar',
			'xht'   => 'application/xhtml+xml',
			'xhtml' => 'application/xhtml+xml',
			'zip'   => 'application/zip',
			'mid'   => 'audio/midi',
			'midi'  => 'audio/midi',
			'mp2'   => 'audio/mpeg',
			'mp3'   => 'audio/mpeg',
			'mpga'  => 'audio/mpeg',
			'aif'   => 'audio/x-aiff',
			'aifc'  => 'audio/x-aiff',
			'aiff'  => 'audio/x-aiff',
			'ram'   => 'audio/x-pn-realaudio',
			'rm'    => 'audio/x-pn-realaudio',
			'rpm'   => 'audio/x-pn-realaudio-plugin',
			'ra'    => 'audio/x-realaudio',
			'wav'   => 'audio/x-wav',
			'bmp'   => 'image/bmp',
			'gif'   => 'image/gif',
			'jpeg'  => 'image/jpeg',
			'jpe'   => 'image/jpeg',
			'jpg'   => 'image/jpeg',
			'png'   => 'image/png',
			'tiff'  => 'image/tiff',
			'tif'   => 'image/tiff',
			'eml'   => 'message/rfc822',
			'css'   => 'text/css',
			'html'  => 'text/html',
			'htm'   => 'text/html',
			'shtml' => 'text/html',
			'log'   => 'text/plain',
			'text'  => 'text/plain',
			'txt'   => 'text/plain',
			'rtx'   => 'text/richtext',
			'rtf'   => 'text/rtf',
			'vcf'   => 'text/vcard',
			'vcard' => 'text/vcard',
			'xml'   => 'text/xml',
			'xsl'   => 'text/xml',
			'mpeg'  => 'video/mpeg',
			'mpe'   => 'video/mpeg',
			'mpg'   => 'video/mpeg',
			'mov'   => 'video/quicktime',
			'qt'    => 'video/quicktime',
			'rv'    => 'video/vnd.rn-realvideo',
			'avi'   => 'video/x-msvideo',
			'movie' => 'video/x-sgi-movie'
		);
		if ( array_key_exists( strtolower( $ext ), $mimes ) ) {
			return $mimes[ strtolower( $ext ) ];
		}

		return 'application/octet-stream';
	}

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

	/**
	 * Backward compatibility wrapper for an old QP encoding function that was removed.
	 * @see PHPMailer::encodeQP()
	 * @access public
	 *
	 * @param string $string
	 * @param integer $line_max
	 * @param boolean $space_conv
	 *
	 * @return string
	 * @deprecated Use encodeQP instead.
	 */
	public function encodeQPphp(
		$string,
		$line_max = 76,
		/** @noinspection PhpUnusedParameterInspection */
		$space_conv = false
	) {
		return $this->encodeQP( $string, $line_max );
	}

	/**
	 * Add a string or binary attachment (non-filesystem).
	 * 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.
	 * @param string $disposition Disposition to use
	 *
	 * @return void
	 */
	public function addStringAttachment(
		$string,
		$filename,
		$encoding = 'base64',
		$type = '',
		$disposition = 'attachment'
	) {
		// If a MIME type is not specified, try to work it out from the file name
		if ( $type == '' ) {
			$type = self::filenameToType( $filename );
		}
		// Append to $attachment array
		$this->attachment[] = array(
			0 => $string,
			1 => $filename,
			2 => basename( $filename ),
			3 => $encoding,
			4 => $type,
			5 => true, // isStringAttachment
			6 => $disposition,
			7 => 0
		);
	}

	/**
	 * Clear all To recipients.
	 * @return void
	 */
	public function clearAddresses() {
		foreach ( $this->to as $to ) {
			unset( $this->all_recipients[ strtolower( $to[0] ) ] );
		}
		$this->to = array();
		$this->clearQueuedAddresses( 'to' );
	}

	/**
	 * Clear queued addresses of given kind.
	 * @access protected
	 *
	 * @param string $kind 'to', 'cc', or 'bcc'
	 *
	 * @return void
	 */
	public function clearQueuedAddresses( $kind ) {
		$RecipientsQueue = $this->RecipientsQueue;
		foreach ( $RecipientsQueue as $address => $params ) {
			if ( $params[0] == $kind ) {
				unset( $this->RecipientsQueue[ $address ] );
			}
		}
	}

	/**
	 * Clear all CC recipients.
	 * @return void
	 */
	public function clearCCs() {
		foreach ( $this->cc as $cc ) {
			unset( $this->all_recipients[ strtolower( $cc[0] ) ] );
		}
		$this->cc = array();
		$this->clearQueuedAddresses( 'cc' );
	}

	/**
	 * Clear all BCC recipients.
	 * @return void
	 */
	public function clearBCCs() {
		foreach ( $this->bcc as $bcc ) {
			unset( $this->all_recipients[ strtolower( $bcc[0] ) ] );
		}
		$this->bcc = array();
		$this->clearQueuedAddresses( 'bcc' );
	}

	/**
	 * Clear all ReplyTo recipients.
	 * @return void
	 */
	public function clearReplyTos() {
		$this->ReplyTo      = array();
		$this->ReplyToQueue = array();
	}

	/**
	 * Clear all recipient types.
	 * @return void
	 */
	public function clearAllRecipients() {
		$this->to              = array();
		$this->cc              = array();
		$this->bcc             = array();
		$this->all_recipients  = array();
		$this->RecipientsQueue = array();
	}

	/**
	 * Clear all filesystem, string, and binary attachments.
	 * @return void
	 */
	public function clearAttachments() {
		$this->attachment = array();
	}

	/**
	 * Clear all custom headers.
	 * @return void
	 */
	public function clearCustomHeaders() {
		$this->CustomHeader = array();
	}

	/**
	 * Add a custom header.
	 * $name value can be overloaded to contain
	 * both header name and value (name:value)
	 * @access public
	 *
	 * @param string $name Custom header name
	 * @param string $value Header value
	 *
	 * @return void
	 */
	public function addCustomHeader( $name, $value = null ) {
		if ( $value === null ) {
			// Value passed in as name:value
			$this->CustomHeader[] = explode( ':', $name, 2 );
		} else {
			$this->CustomHeader[] = array( $name, $value );
		}
	}

	/**
	 * Returns all custom headers.
	 * @return array
	 */
	public function getCustomHeaders() {
		return $this->CustomHeader;
	}

	/**
	 * Create a message from an HTML string.
	 * Automatically makes modifications for inline images and backgrounds
	 * and creates a plain-text version by converting the HTML.
	 * Overwrites any existing values in $this->Body and $this->AltBody
	 * @access public
	 *
	 * @param string $message HTML message string
	 * @param string $basedir baseline directory for path
	 * @param boolean|callable $advanced Whether to use the internal HTML to text converter
	 *    or your own custom converter @see PHPMailer::html2text()
	 *
	 * @return string $message
	 */
	public function msgHTML( $message, $basedir = '', $advanced = false ) {
		preg_match_all( '/(src|background)=["\'](.*)["\']/Ui', $message, $images );
		if ( array_key_exists( 2, $images ) ) {
			foreach ( $images[2] as $imgindex => $url ) {
				// Convert data URIs into embedded images
				if ( preg_match( '#^data:(image[^;,]*)(;base64)?,#', $url, $match ) ) {
					$data = substr( $url, strpos( $url, ',' ) );
					if ( $match[2] ) {
						$data = base64_decode( $data );
					} else {
						$data = rawurldecode( $data );
					}
					$cid = md5( $url ) . '@phpmailer.0'; // RFC2392 S 2
					if ( $this->addStringEmbeddedImage( $data, $cid, 'embed' . $imgindex, 'base64', $match[1] ) ) {
						$message = str_replace(
							$images[0][ $imgindex ],
							$images[1][ $imgindex ] . '="cid:' . $cid . '"',
							$message
						);
					}
				} elseif ( substr( $url, 0, 4 ) !== 'cid:' && ! preg_match( '#^[a-z][a-z0-9+.-]*://#i', $url ) ) {
					// Do not change urls for absolute images (thanks to corvuscorax)
					// Do not change urls that are already inline images
					$filename  = basename( $url );
					$directory = dirname( $url );
					if ( $directory == '.' ) {
						$directory = '';
					}
					$cid = md5( $url ) . '@phpmailer.0'; // RFC2392 S 2
					if ( strlen( $basedir ) > 1 && substr( $basedir, - 1 ) != '/' ) {
						$basedir .= '/';
					}
					if ( strlen( $directory ) > 1 && substr( $directory, - 1 ) != '/' ) {
						$directory .= '/';
					}
					if ( $this->addEmbeddedImage(
						$basedir . $directory . $filename,
						$cid,
						$filename,
						'base64',
						self::_mime_types( (string) self::mb_pathinfo( $filename, PATHINFO_EXTENSION ) )
					)
					) {
						$message = preg_replace(
							'/' . $images[1][ $imgindex ] . '=["\']' . preg_quote( $url, '/' ) . '["\']/Ui',
							$images[1][ $imgindex ] . '="cid:' . $cid . '"',
							$message
						);
					}
				}
			}
		}
		$this->isHTML( true );
		// Convert all message body line breaks to CRLF, makes quoted-printable encoding work much better
		$this->Body    = $this->normalizeBreaks( $message );
		$this->AltBody = $this->normalizeBreaks( $this->html2text( $message, $advanced ) );
		if ( ! $this->alternativeExists() ) {
			$this->AltBody = 'To view this email message, open it in a program that understands HTML!' .
			                 self::CRLF . self::CRLF;
		}

		return $this->Body;
	}

	/**
	 * Add an embedded stringified attachment.
	 * This can include images, sounds, and just about any other document type.
	 * Be sure to set the $type to an image type for images:
	 * JPEG images use 'image/jpeg', GIF uses 'image/gif', PNG uses 'image/png'.
	 *
	 * @param string $string The attachment binary data.
	 * @param string $cid Content ID of the attachment; Use this to reference
	 *        the content when using an embedded image in HTML.
	 * @param string $name
	 * @param string $encoding File encoding (see $Encoding).
	 * @param string $type MIME type.
	 * @param string $disposition Disposition to use
	 *
	 * @return boolean True on successfully adding an attachment
	 */
	public function addStringEmbeddedImage(
		$string,
		$cid,
		$name = '',
		$encoding = 'base64',
		$type = '',
		$disposition = 'inline'
	) {
		// If a MIME type is not specified, try to work it out from the name
		if ( $type == '' and ! empty( $name ) ) {
			$type = self::filenameToType( $name );
		}

		// Append to $attachment array
		$this->attachment[] = array(
			0 => $string,
			1 => $name,
			2 => $name,
			3 => $encoding,
			4 => $type,
			5 => true, // isStringAttachment
			6 => $disposition,
			7 => $cid
		);

		return true;
	}

	/**
	 * Add an embedded (inline) attachment from a file.
	 * This can include images, sounds, and just about any other document type.
	 * These differ from 'regular' attachments in that they are intended to be
	 * displayed inline with the message, not just attached for download.
	 * This is used in HTML messages that embed the images
	 * the HTML refers to using the $cid value.
	 *
	 * @param string $path Path to the attachment.
	 * @param string $cid Content ID of the attachment; Use this to reference
	 *        the content when using an embedded image in HTML.
	 * @param string $name Overrides the attachment name.
	 * @param string $encoding File encoding (see $Encoding).
	 * @param string $type File MIME type.
	 * @param string $disposition Disposition to use
	 *
	 * @return boolean True on successfully adding an attachment
	 */
	public function addEmbeddedImage( $path, $cid, $name = '', $encoding = 'base64', $type = '', $disposition = 'inline' ) {
		if ( ! @is_file( $path ) ) {
			$this->setError( $this->lang( 'file_access' ) . $path );

			return false;
		}

		// If a MIME type is not specified, try to work it out from the file name
		if ( $type == '' ) {
			$type = self::filenameToType( $path );
		}

		$filename = basename( $path );
		if ( $name == '' ) {
			$name = $filename;
		}

		// Append to $attachment array
		$this->attachment[] = array(
			0 => $path,
			1 => $filename,
			2 => $name,
			3 => $encoding,
			4 => $type,
			5 => false, // isStringAttachment
			6 => $disposition,
			7 => $cid
		);

		return true;
	}

	/**
	 * Sets message type to HTML or plain.
	 *
	 * @param boolean $isHtml True for HTML mode.
	 *
	 * @return void
	 */
	public function isHTML( $isHtml = true ) {
		if ( $isHtml ) {
			$this->ContentType = 'text/html';
		} else {
			$this->ContentType = 'text/plain';
		}
	}

	/**
	 * Normalize line breaks in a string.
	 * Converts UNIX LF, Mac CR and Windows CRLF line breaks into a single line break format.
	 * Defaults to CRLF (for message bodies) and preserves consecutive breaks.
	 *
	 * @param string $text
	 * @param string $breaktype What kind of line break to use, defaults to CRLF
	 *
	 * @return string
	 * @access public
	 * @static
	 */
	public static function normalizeBreaks( $text, $breaktype = "\r\n" ) {
		return preg_replace( '/(\r\n|\r|\n)/ms', $breaktype, $text );
	}

	/**
	 * Convert an HTML string into plain text.
	 * This is used by msgHTML().
	 * Note - older versions of this function used a bundled advanced converter
	 * which was been removed for license reasons in #232
	 * Example usage:
	 * <code>
	 * // Use default conversion
	 * $plain = $mail->html2text($html);
	 * // Use your own custom converter
	 * $plain = $mail->html2text($html, function($html) {
	 *     $converter = new MyHtml2text($html);
	 *     return $converter->get_text();
	 * });
	 * </code>
	 *
	 * @param string $html The HTML text to convert
	 * @param boolean|callable $advanced Any boolean value to use the internal converter,
	 *   or provide your own callable for custom conversion.
	 *
	 * @return string
	 */
	public function html2text( $html, $advanced = false ) {
		if ( is_callable( $advanced ) ) {
			return call_user_func( $advanced, $html );
		}

		return html_entity_decode(
			trim( strip_tags( preg_replace( '/<(head|title|style|script)[^>]*>.*?<\/\\1>/si', '', $html ) ) ),
			ENT_QUOTES,
			$this->CharSet
		);
	}

	/**
	 * Set or reset instance properties.
	 * You should avoid this function - it's more verbose, less efficient, more error-prone and
	 * harder to debug than setting properties directly.
	 * Usage Example:
	 * `$mail->set('SMTPSecure', 'tls');`
	 *   is the same as:
	 * `$mail->SMTPSecure = 'tls';`
	 * @access public
	 *
	 * @param string $name The property name to set
	 * @param mixed $value The value to set the property to
	 *
	 * @return boolean
	 */
	public function set( $name, $value = '' ) {
		if ( property_exists( $this, $name ) ) {
			$this->$name = $value;

			return true;
		} else {
			$this->setError( $this->lang( 'variable_set' ) . $name );

			return false;
		}
	}

	/**
	 * Set the public and private key files and password for S/MIME signing.
	 * @access public
	 *
	 * @param string $cert_filename
	 * @param string $key_filename
	 * @param string $key_pass Password for private key
	 * @param string $extracerts_filename Optional path to chain certificate
	 */
	public function sign( $cert_filename, $key_filename, $key_pass, $extracerts_filename = '' ) {
		$this->sign_cert_file       = $cert_filename;
		$this->sign_key_file        = $key_filename;
		$this->sign_key_pass        = $key_pass;
		$this->sign_extracerts_file = $extracerts_filename;
	}

	/**
	 * Allows for public read access to 'to' property.
	 * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
	 * @access public
	 * @return array
	 */
	public function getToAddresses() {
		return $this->to;
	}

	/**
	 * Allows for public read access to 'cc' property.
	 * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
	 * @access public
	 * @return array
	 */
	public function getCcAddresses() {
		return $this->cc;
	}

	/**
	 * Allows for public read access to 'bcc' property.
	 * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
	 * @access public
	 * @return array
	 */
	public function getBccAddresses() {
		return $this->bcc;
	}

	/**
	 * Allows for public read access to 'ReplyTo' property.
	 * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
	 * @access public
	 * @return array
	 */
	public function getReplyToAddresses() {
		return $this->ReplyTo;
	}

	/**
	 * Allows for public read access to 'all_recipients' property.
	 * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
	 * @access public
	 * @return array
	 */
	public function getAllRecipientAddresses() {
		return $this->all_recipients;
	}

	/**
	 * Add an address to one of the recipient arrays or to the ReplyTo array.
	 * Addresses that have been added already return false, but do not throw exceptions.
	 *
	 * @param string $kind One of 'to', 'cc', 'bcc', or 'ReplyTo'
	 * @param string $address The email address to send, resp. to reply to
	 * @param string $name
	 *
	 * @throws phpmailerException
	 * @return boolean true on success, false if address already used or invalid in some way
	 * @access protected
	 */
	protected function addAnAddress( $kind, $address, $name = '' ) {
		if ( ! in_array( $kind, array( 'to', 'cc', 'bcc', 'Reply-To' ) ) ) {
			$error_message = $this->lang( 'Invalid recipient kind: ' ) . $kind;
			$this->setError( $error_message );
			$this->edebug( $error_message );
			if ( $this->exceptions ) {
				throw new phpmailerException( $error_message );
			}

			return false;
		}
		if ( ! $this->validateAddress( $address ) ) {
			$error_message = $this->lang( 'invalid_address' ) . " (addAnAddress $kind): $address";
			$this->setError( $error_message );
			$this->edebug( $error_message );
			if ( $this->exceptions ) {
				throw new phpmailerException( $error_message );
			}

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

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

				return true;
			}
		}

		return false;
	}

	/**
	 * Check that a string looks like an email address.
	 *
	 * @param string $address The email address to check
	 * @param string $patternselect A selector for the validation pattern to use :
	 * * `auto` Pick best pattern automatically;
	 * * `pcre8` Use the squiloople.com pattern, requires PCRE > 8.0, PHP >= 5.3.2, 5.2.14;
	 * * `pcre` Use old PCRE implementation;
	 * * `php` Use PHP built-in FILTER_VALIDATE_EMAIL;
	 * * `html5` Use the pattern given by the HTML5 spec for 'email' type form input elements.
	 * * `noregex` Don't use a regex: super fast, really dumb.
	 *
	 * @return boolean
	 * @static
	 * @access public
	 */
	public static function validateAddress( $address, $patternselect = 'auto' ) {
		//Reject line breaks in addresses; it's valid RFC5322, but not RFC5321
		if ( strpos( $address, "\n" ) !== false or strpos( $address, "\r" ) !== false ) {
			return false;
		}
		if ( ! $patternselect or $patternselect == 'auto' ) {
			//Check this constant first so it works when extension_loaded() is disabled by safe mode
			//Constant was added in PHP 5.2.4
			if ( defined( 'PCRE_VERSION' ) ) {
				//This pattern can get stuck in a recursive loop in PCRE <= 8.0.2
				if ( version_compare( PCRE_VERSION, '8.0.3' ) >= 0 ) {
					$patternselect = 'pcre8';
				} else {
					$patternselect = 'pcre';
				}
			} elseif ( function_exists( 'extension_loaded' ) and extension_loaded( 'pcre' ) ) {
				//Fall back to older PCRE
				$patternselect = 'pcre';
			} else {
				//Filter_var appeared in PHP 5.2.0 and does not require the PCRE extension
				if ( version_compare( PHP_VERSION, '5.2.0' ) >= 0 ) {
					$patternselect = 'php';
				} else {
					$patternselect = 'noregex';
				}
			}
		}
		switch ( $patternselect ) {
			case 'pcre8':
				/**
				 * Uses the same RFC5322 regex on which FILTER_VALIDATE_EMAIL is based, but allows dotless domains.
				 * @link http://squiloople.com/2009/12/20/email-address-validation/
				 * @copyright 2009-2010 Michael Rushton
				 * Feel free to use and redistribute this code. But please keep this copyright notice.
				 */
				return (boolean) preg_match(
					'/^(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){255,})(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){65,}@)' .
					'((?>(?>(?>((?>(?>(?>\x0D\x0A)?[\t ])+|(?>[\t ]*\x0D\x0A)?[\t ]+)?)(\((?>(?2)' .
					'(?>[\x01-\x08\x0B\x0C\x0E-\'*-\[\]-\x7F]|\\\[\x00-\x7F]|(?3)))*(?2)\)))+(?2))|(?2))?)' .
					'([!#-\'*+\/-9=?^-~-]+|"(?>(?2)(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\x7F]))*' .
					'(?2)")(?>(?1)\.(?1)(?4))*(?1)@(?!(?1)[a-z0-9-]{64,})(?1)(?>([a-z0-9](?>[a-z0-9-]*[a-z0-9])?)' .
					'(?>(?1)\.(?!(?1)[a-z0-9-]{64,})(?1)(?5)){0,126}|\[(?:(?>IPv6:(?>([a-f0-9]{1,4})(?>:(?6)){7}' .
					'|(?!(?:.*[a-f0-9][:\]]){8,})((?6)(?>:(?6)){0,6})?::(?7)?))|(?>(?>IPv6:(?>(?6)(?>:(?6)){5}:' .
					'|(?!(?:.*[a-f0-9]:){6,})(?8)?::(?>((?6)(?>:(?6)){0,4}):)?))?(25[0-5]|2[0-4][0-9]|1[0-9]{2}' .
					'|[1-9]?[0-9])(?>\.(?9)){3}))\])(?1)$/isD',
					$address
				);
			case 'pcre':
				//An older regex that doesn't need a recent PCRE
				return (boolean) preg_match(
					'/^(?!(?>"?(?>\\\[ -~]|[^"])"?){255,})(?!(?>"?(?>\\\[ -~]|[^"])"?){65,}@)(?>' .
					'[!#-\'*+\/-9=?^-~-]+|"(?>(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\xFF]))*")' .
					'(?>\.(?>[!#-\'*+\/-9=?^-~-]+|"(?>(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\xFF]))*"))*' .
					'@(?>(?![a-z0-9-]{64,})(?>[a-z0-9](?>[a-z0-9-]*[a-z0-9])?)(?>\.(?![a-z0-9-]{64,})' .
					'(?>[a-z0-9](?>[a-z0-9-]*[a-z0-9])?)){0,126}|\[(?:(?>IPv6:(?>(?>[a-f0-9]{1,4})(?>:' .
					'[a-f0-9]{1,4}){7}|(?!(?:.*[a-f0-9][:\]]){8,})(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,6})?' .
					'::(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,6})?))|(?>(?>IPv6:(?>[a-f0-9]{1,4}(?>:' .
					'[a-f0-9]{1,4}){5}:|(?!(?:.*[a-f0-9]:){6,})(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,4})?' .
					'::(?>(?:[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,4}):)?))?(?>25[0-5]|2[0-4][0-9]|1[0-9]{2}' .
					'|[1-9]?[0-9])(?>\.(?>25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])){3}))\])$/isD',
					$address
				);
			case 'html5':
				/**
				 * This is the pattern used in the HTML5 spec for validation of 'email' type form input elements.
				 * @link http://www.whatwg.org/specs/web-apps/current-work/#e-mail-state-(type=email)
				 */
				return (boolean) preg_match(
					'/^[a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]+@[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])?)*$/sD',
					$address
				);
			case 'noregex':
				//No PCRE! Do something _very_ approximate!
				//Check the address is 3 chars or longer and contains an @ that's not the first or last char
				return ( strlen( $address ) >= 3
				         and strpos( $address, '@' ) >= 1
				             and strpos( $address, '@' ) != strlen( $address ) - 1 );
			case 'php':
			default:
				return (boolean) filter_var( $address, FILTER_VALIDATE_EMAIL );
		}
	}
}

/**
 * PHPMailer exception handler
 * @package PHPMailer
 */
class phpmailerException extends Exception {
	/**
	 * Prettify error message output
	 * @return string
	 */
	public function errorMessage() {
		$errorMsg = '<strong>' . $this->getMessage() . "</strong><br />\n";

		return $errorMsg;
	}
}