function __construct()
{
$ss = new SimpleStats();
if (!$ss->is_installed() || !$ss->options['stats_enabled'] || isset($_COOKIE['simple_stats']) && $_COOKIE['simple_stats'] == $ss->hash($ss->options['username'] . $ss->options['password'])) {
return;
}
$data = array();
$data['remote_ip'] = substr($this->determine_remote_ip(), 0, 39);
// check whether to ignore this hit
if (in_array($data['remote_ip'], $ss->options['ignored_ips'])) {
return;
}
$data['resource'] = substr($ss->utf8_encode($this->determine_resource()), 0, 255);
$ua = new SimpleStatsUA();
$browser = $ua->parse_user_agent($_SERVER['HTTP_USER_AGENT']);
$data['platform'] = $browser['platform'];
$data['browser'] = $browser['browser'];
$data['version'] = substr($this->parse_version($browser['version']), 0, 15);
// check whether to ignore this hit
if ($data['browser'] == 1 && $ss->options['log_bots'] == false) {
return;
}
// use DateTime instead of messing with the default timezone which could affect the calling application
$tz = new DateTimeZone($ss->options['tz']);
$datetime = new DateTime('now', $tz);
$date = $data['date'] = $datetime->format('Y-m-d');
$time = $datetime->format('H:i:s');
// attempt to update table
$table = $ss->tables['visits'];
if ($ss->options['log_user_agents']) {
$data['user_agent'] = $ss->esc(substr($_SERVER['HTTP_USER_AGENT'], 0, 255));
}
$resource = $ss->esc($time . ' ' . $data['resource']);
$ip = $ss->esc($data['remote_ip']);
$query = "UPDATE `{$table}` SET hits = hits + 1, resource = CONCAT( resource, '{$resource}', '\\n' ), `end_time` = '{$time}' WHERE `date` = '{$date}' AND remote_ip = '{$ip}'";
if ($ss->options['log_user_agents']) {
$query .= " AND user_agent = '{$data['user_agent']}'";
} else {
foreach (array('browser', 'version', 'platform') as $key) {
$v = $ss->esc($data[$key]);
$query .= " AND {$key} = '{$v}'";
}
}
$query .= " AND TIMEDIFF( '{$time}', start_time ) < '00:30:00' LIMIT 1";
$rows = $ss->query($query);
if ($rows == 0) {
// this information is only needed for new visitors
$data['country'] = $this->determine_country($data['remote_ip']);
// always 2 chars, no need to truncate
$data['language'] = substr($this->determine_language(), 0, 255);
$data['referrer'] = isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '';
$url = parse_url($data['referrer']);
$data['referrer'] = substr($ss->utf8_encode($data['referrer']), 0, 511);
$data['domain'] = isset($url['host']) ? substr(preg_replace('/^www\\./', '', $url['host']), 0, 255) : '';
$data['search_terms'] = substr($ss->utf8_encode($this->determine_search_terms($url)), 0, 255);
// this isn't actually used at present, but storing local timestamps without a GMT reference is asking for trouble
$data['offset'] = $datetime->getOffset() / 60;
// store in minutes
$query = "INSERT INTO `{$table}` ( ";
foreach (array_keys($data) as $key) {
if ($key == 'resource') {
continue;
}
$query .= "{$key}, ";
}
$query .= 'hits, resource, start_time, end_time ) VALUES ( ';
foreach ($data as $key => $value) {
$value = $ss->esc($value);
if ($key == 'resource') {
continue;
}
$query .= "'{$value}', ";
}
$query .= "'1', CONCAT( '{$resource}', '\\n' ), '{$time}', '{$time}' )";
$ss->query($query);
}
$ss->close();
}
