ADOdb is a PHP database class library that provides powerful abstractions for performing queries and managing databases. ADOdb also hides the differences between DB engines so you can easily switch them without changing your code.

A simple database abstraction layer using PHP and PDO

The Hoa\Database library.

Service based DB abstraction layer for PHP

Small PDO wrapper/abstraction layer to provide read/write endpoints and load balancing capabilities in one line of code

Oppa: Database abstraction, query building and active record implementation with PHP.

Simple, lightweight and effective PHP ORM using MySQLi.

Linnda ORM for PHP

Php database abstraction layer using PDO

Service based DB abstraction layer for PHP (MongoDB)

A database abstraction layer that behaves as a graph database while storing all the data in a MySQL database.

A database layer, passive record and orm abstraction layer for your php application.

A simple database abstraction

Set of Php classes providing utility functions

Database abstraction layer (DBAL) for PHP

📑 simple database abstraction interface with OOP query builder and a mock implementation for easy testing

PDO-based Database Manager With Useful Extensions

Secure Query Handler by Mirosław Zięba is a PHP class for secure, efficient SQL query management. Designed for robust database security, dynamic parameter validation, and transaction handling, it leverages parameterized queries to protect against SQL injection and maintain data integrity.

Small ORM for NixPHP using nixphp/database.

A powerful PHP ORM built on the Data Mapper pattern with an intuitive entity-based query language inspired by QUEL. Features clean entity-database separation, relationship management and lifecycle events. Built on CakePHP's robust database foundation.