PDO for PHP 4: PDO database abstraction interface for PHP 4

This package implements the PDO database abstraction interface that is compatible with PHP 4.

PDO is an extension introduced in PHP 5 that provides a common interface to several types of relational databases.

Since PDO only became standard extension with PHP 5.1 and very few hosting companies provide PHP 5.1 servers, the idea of this package is to provide an implementation of the PDO API that works under PHP 4 without special extension in a compatible way to the PHP 5 extension.