SlightPHP\SMTP::Connect PHP Method

Connect() public method

If the port is not specified use the default SMTP_PORT. If tval is specified then a connection will try and be established with the server for that number of seconds. If tval is not specified the default is 30 seconds to try on the connection. SMTP CODE SUCCESS: 220 SMTP CODE FAILURE: 421
public Connect ( $host, $port, $tval = 30 ) : boolean
return boolean
    public function Connect($host, $port = 0, $tval = 30)
    {
        /* set the error val to null so there is no confusion */
        $this->error = null;
        /* make sure we are __not__ connected */
        if ($this->connected()) {
            /* ok we are connected! what should we do?
             * for now we will just give an error saying we
             * are already connected
             */
            $this->error = array("error" => "Already connected to a server");
            return false;
        }
        if (empty($port)) {
            $port = $this->SMTP_PORT;
        }
        /* connect to the smtp server */
        $this->smtp_conn = fsockopen($host, $port, $errno, $errstr, $tval);
        // give up after ? secs
        /* verify we connected properly */
        if (empty($this->smtp_conn)) {
            $this->error = array("error" => "Failed to connect to server", "errno" => $errno, "errstr" => $errstr);
            if ($this->do_debug >= 1) {
                echo "SMTP -> ERROR: " . $this->error["error"] . ": {$errstr} ({$errno})" . $this->CRLF;
            }
            return false;
        }
        /* sometimes the SMTP server takes a little longer to respond
         * so we will give it a longer timeout for the first read
         * - Windows still does not have support for this timeout function
         */
        if (substr(PHP_OS, 0, 3) != "WIN") {
            socket_set_timeout($this->smtp_conn, $tval, 0);
        }
        /* get any announcement stuff */
        $announce = $this->get_lines();
        /* set the timeout  of any socket functions at 1/10 of a second */
        //if(function_exists("socket_set_timeout"))
        //   socket_set_timeout($this->smtp_conn, 0, 100000);
        if ($this->do_debug >= 2) {
            echo "SMTP -> FROM SERVER:" . $this->CRLF . $announce;
        }
        return true;
    }