public function Connect($host, $port = false, $tval = 30)
{
// Are we already connected?
if ($this->connected) {
return true;
}
/*
On Windows this will raise a PHP Warning error if the hostname doesn't exist.
Rather than supress it with @fsockopen, let's capture it cleanly instead
*/
set_error_handler(array(&$this, 'catchWarning'));
// Connect to the POP3 server
$this->pop_conn = fsockopen($host, $port, $errno, $errstr, $tval);
// Timeout (seconds)
// Restore the error handler
restore_error_handler();
// Does the Error Log now contain anything?
if ($this->error && $this->do_debug >= 1) {
$this->displayErrors();
}
// Did we connect?
if ($this->pop_conn == false) {
// It would appear not...
$this->error = array('error' => "Failed to connect to server {$host} on port {$port}", 'errno' => $errno, 'errstr' => $errstr);
if ($this->do_debug >= 1) {
$this->displayErrors();
}
return false;
}
// Increase the stream time-out
// Check for PHP 4.3.0 or later
if (version_compare(phpversion(), '5.0.0', 'ge')) {
stream_set_timeout($this->pop_conn, $tval, 0);
} else {
// Does not work on Windows
if (substr(PHP_OS, 0, 3) !== 'WIN') {
socket_set_timeout($this->pop_conn, $tval, 0);
}
}
// Get the POP3 server response
$pop3_response = $this->getResponse();
// Check for the +OK
if ($this->checkResponse($pop3_response)) {
// The connection is established and the POP3 server is talking
$this->connected = true;
return true;
}
}