public static function getInstance() { if (empty(self::$instance)) { self::$instance = new self(); } return self::$instance; }
<?php require_once 'classes/Preferencias.php'; $p1 = Preferencias::getInstance(); print 'Alinguagem é: ' . $p1->getData('language') . "<br>\n"; $p1->setData('language', 'pt'); print 'Alinguagem é: ' . $p1->getData('language') . "<br>\n"; $p2 = Preferencias::getInstance(); print 'Alinguagem é: ' . $p1->getData('language') . "<br>\n"; //$p1->save();