ADOdb is a database abstraction library for PHP and hides the differences between the different databases so developers can easily switch databases without changing code. It is used in lots of projects around the web and is almost considered a standard on its own.

Features of ADOdb:
Supported databases:
- MySQL
- PostgreSQL
- Interbase
- Firebird
- Informix
- Oracle
- MS SQL
- Foxpro
- Access
- ADO
- Sybase
- FrontBase
- DB2
- SAP DB
- SQLite
- Netezza
- LDAP
- Generic ODBC
- ODBTP

What's New in This Version:
- datadict-postgres: Fixes bug in ALTER COL.
- datadict-postgres: Also fixed bugs in MetaType() checking $fieldobj properties.
- GetRowAssoc did not work with null values. Bug in 5.17.
- postgres9: New driver to better support PostgreSQL 9.
- sqlite3: Modified to support PHP 5.4.
- adodb: When fetch mode is ADODB_FETCH_ASSOC, and we execute $db->GetAssoc("select 'a','0'"); we get an error. Fixed.
- adodb: Caching directory permissions now configurable using global variable
- $ADODB_CACHE_PERMS. Default value is 0771.