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<?php require_once "db_config.php";
class db extends db_config {
private $connection;
function __construct(){
$this->open_connection();
// echo "Соединение установлено ";
}
private function open_connection(){
$this->connection=mysql_connect($this->DB_HOST,$this->DB_USER,$this->DB_PASS);
if (!$this-connection){
die("Соедитение с базой данных не установлено: ".mysql_error());
} else {
$db_select=mysql_select_db($this->DB_NAME);
if (!$db_select){
die("База данных не определена: ".mysql_error());
}
}
mysql_query("set names utf8")or die("set name utf8 failed");
mysql_query("set lc_time_names=ru_RU");
}
public function sql($query){
$result=mysql_query($query,$this->connection);
if (!result){
die("Запрос не выполнен: ".mysql_error());
}
return $result;
}
}
$db = new db();?>
Follow us!
$db2 = new db();
$db3= new db();
одно подключение :~(
Это тут только по той простой причине что это позиционируется как сингелтон а на самом деле хрень собачия.
это на ... зачем private $connection; ???
это почему ?????
private function open_connection()
Я так думаю это с первого взгляда похоже на сингелтон. только все перепутано.
Приватным надо объявить конструктор
open_connection() это статичным
и в этом методе проверять было ли соединение или не было.
это обычный класс в котором реализовано соединение с бд и базовые функции для работы с ней.
это самопальная (не pdo), кривая, с sql инеъкцией, заточенная на конкретную БД, совершенно бессмысленная якобы ООПшная обертка во круг функций mysql_query
ЗЫ: Синглтон он разве что в том смысле что имеет сайд эффект: mysql_select_db там глобальный
фейспалм, трижды фейспалм
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