*
*/
class Preference
{
private $props = array();
private static $instance;
private function __construct()
{
}
public function setProperty($key, $val)
{
$this->props[$key] = $val;
}
public static function getInstance()
{
if (empty(self::$instance)) {
self::$instance = new Preference();
}
return self::$instance;
}
public function getProperty($key)
{
return $this->props[$key];
}
}
$pref = Preference::getInstance();
$pref->setProperty("name", "Иван");
unset($pref);
$pref2 = Preference::getInstance();
print $pref2->getProperty("name") . "\n";
// Иван
