# Firebird/Interbase Functions (PDO_FIREBIRD)

## Introduction

Warning

This extension is EXPERIMENTAL. The behaviour of this extension -- including the names of its functions and anything else documented about this extension -- may change without notice in a future release of PHP. Use this extension at your own risk.

PDO_FIREBIRD is a driver that implements the PHP Data Objects (PDO) interface to enable access from PHP to Firebird and Interbase databases.