本文整理匯總了PHP中DatabaseConnection::instance方法的典型用法代碼示例。如果您正苦於以下問題：PHP DatabaseConnection::instance方法的具體用法？PHP DatabaseConnection::instance怎麽用？PHP DatabaseConnection::instance使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類DatabaseConnection的用法示例。
在下文中一共展示了DatabaseConnection::instance方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的PHP代碼示例。
示例1: getInstance
public static function getInstance()
{
// *** DataLayer is a singleton, so if already instantiated just return that ***
if (self::$instance === null) {
// *** DataLayer hasn't been instantiated yet, save the pointer, and return this ***
self::$instance = new DatabaseConnection();
}
return self::$instance;
}示例2: getDatabaseConnection
public static function getDatabaseConnection()
{
try {
if (DatabaseConnection::$instance == null) {
DatabaseConnection::$instance = new PDO("mysql:host=localhost;dbname=nearby", "nearbyer", "iosac");
}
return DatabaseConnection::$instance;
} catch (PDOException $e) {
throw $e;
}
}示例3: getInstance
public static function getInstance()
{
if (!isset(self::$instance)) {
self::$instance = new DatabaseConnection();
}
return self::$instance;
}