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DB_NestedSet::factory()

DB_NestedSet::factory()  --  Handles the returning of a concrete instance of DB_NestedSet based on the driver.

Synopsis

require_once 'DB/NestedSet.php';

object The& DB_NestedSet::factory (string $driver, string $dsn, array [$params = array()])

Description

If the class given by $driver allready exists it will be used. If not the driver will be searched inside the default path ./NestedSet/

Parameter

string $driver

The driver, such as DB or MDB

string $dsn

The dsn for connecting to the database

array $params

The field name params for the node table

Return value

returns DB_NestedSet object

Throws

throws no exceptions thrown

Note

This function can not be called statically.

Example

Example 39-1. Factory


<?php
require_once('DB/NestedSet.php');
    $nestedSet =& DB_NestedSet::factory('DB', $dsn, $params);
?>
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