1. <?php
2. class DB {
3. private static $_singleton;
4. private $_connection;
5. private function __construct()
6. {
7. $this->_connection = mysql_connect();
8. }
9. public static function getInstance()
10. {
11. if (is_null (self::$_singleton)) {
12. self::$_singleton = new DB();
13. }
14. return self::$_singleton;
15. }
16. }
17. $db = DB::getInstance();
18.
19. ?>
Saludos ...
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