Created
January 10, 2018 21:18
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Standalone simple hit counter
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<?php | |
// вызывается как standalone_counter.php?id=N | |
// по умолчанию (если id опущен) - принимается равным 1 | |
function getRealIP() { | |
$ip = '127.0.0.1'; | |
if (!empty($_SERVER['HTTP_CLIENT_IP'])) { | |
$ip = $_SERVER['HTTP_CLIENT_IP']; | |
} elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) { | |
$ip = $_SERVER['HTTP_X_FORWARDED_FOR']; | |
} else { | |
$ip = $_SERVER['REMOTE_ADDR']; | |
} | |
return $ip; | |
} | |
// local | |
$settings = array( | |
'hostname' => 'localhost', | |
'database' => 'test', | |
'username' => 'test', | |
'password' => 'password', | |
'table' => 'counter_hits', | |
'port' => 3306, | |
); | |
$dsl = "mysql:host={$settings['hostname']};port={$settings['port']};dbname={$settings['database']}"; | |
// подключаемся к БД | |
try { | |
$dbh = new \PDO($dsl, $settings['username'], $settings['password']); | |
$dbh->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION); | |
$dbh->setAttribute(\PDO::ATTR_DEFAULT_FETCH_MODE, \PDO::FETCH_ASSOC); | |
} catch (\PDOException $e) { | |
die ("Unable to connect {$dsl}"); | |
} | |
$id_banner = $_GET['id'] ?? 1; | |
// проверяем существование таблицы и если нет - создаем | |
$query_create_table = "CREATE TABLE IF NOT EXISTS `{$settings['table']}` ( | |
`id` INT(11) NOT NULL AUTO_INCREMENT, | |
`id_banner` INT(11) DEFAULT NULL, | |
`alias_banner` CHAR(8) DEFAULT NULL, | |
`dayvisit` DATE DEFAULT NULL, | |
`ipv4` INT(10) UNSIGNED DEFAULT NULL, | |
`hits` INT(11) DEFAULT NULL, | |
PRIMARY KEY (`id`), | |
UNIQUE KEY `date+ipv4` (`dayvisit`,`ipv4`), | |
KEY `ipv4` (`ipv4`), | |
KEY `id_banner` (`id_banner`) | |
) ENGINE=MYISAM AUTO_INCREMENT=1 DEFAULT CHARSET=latin1"; | |
// вставка баннера | |
$query = "INSERT INTO `{$settings['table']}` (id_banner, dayvisit, ipv4, hits) VALUES(:id_banner, CURDATE(), INET_ATON(:ipv4), 1) | |
ON DUPLICATE KEY UPDATE hits = hits+1"; | |
$sth = $dbh->prepare($query); | |
try { | |
$sth->execute( array( | |
'ipv4' => getRealIP(), | |
'id_banner' => $id_banner | |
) ); | |
} catch (\PDOException $e) { | |
echo $e->getMessage(); | |
} | |
$dbh = null; | |
// рисуем прозрачную точку: | |
// https://stackoverflow.com/a/30664750/5127037 | |
header('Content-Type: image/gif'); | |
die("\x47\x49\x46\x38\x39\x61\x01\x00\x01\x00\x90\x00\x00\xff\x00\x00\x00\x00\x00\x21\xf9\x04\x05\x10\x00\x00\x00\x2c\x00\x00\x00\x00\x01\x00\x01\x00\x00\x02\x02\x04\x01\x00\x3b"); |
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