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Design a class that should always return a single object ?
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Answer Posted / amitverma
class DB {
private static $_singleton;
private $_connection;
private function __construct(){
$this->_connection = mysql_connect();
}
public static function getInstance(){
if (is_null (self::$_singleton)) {
self::$_singleton = new DB();
}
return self::$_singleton;
}
}
$db = DB::getInstance();
| Is This Answer Correct ? | 2 Yes | 2 No |
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