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singleton(), Available, Returns a MDB2_Driver_Common instance. A new MDB2_Driver_Common object is only created once using factory(), subsequent calls to ...

The main 'MDB2' class is simply a container class with some static methods for creating DB objects as well as some utility functions common to all parts of DB.

Introduction: PEAR MDB2 is a project to merge PEAR DB and Metabase into one DB abstraction layer. You can get info on these at: PEAR DB: http://pear.php.net ...

2011/6/8 -Other solution is using a Singleton Class to access the database, so that there is a function that always returns the reference to your $mdb2 ...

... MDB2 connection object, or a MDB2 * error object on error * * @access public * @see MDB2::parseDSN */ static function singleton($dsn = null, $options ...

PEAR MDB2 is a project to merge PEAR DB and Metabase into one DB abstraction layer. For mor information about these projects, see: PEAR DB · Metabase. At these ...

We use the singleton pattern in order to restrict the number of instances that can be created from a resource consuming class to only one.

2010/11/2 -Typically speaking, Singletons are a bad idea. As you've probably heard by now they are essentially just globals in disguise and that can lead ...

2022/2/12 -This pattern is used to ensure that there is only one instance of an object and that the same (and single instance) is called everywhere in ...

require_once 'MDB2.php'; $dsn = 'pgsql://someuser:apasswd@localhost/thedb'; $mdb2 =& MDB2::singleton($dsn); if (PEAR::isError($mdb2)) { die($mdb2->getMessage()) ...