# PHP PDO Driver for Snowflake¶

The PHP PDO driver for Snowflake provides an interface for developing PHP applications that can connect to Snowflake and perform all standard operations.

For a list of the operating systems supported by Snowflake clients, see Operating System Support.

For instructions on installing and using the driver, see the GitHub PHP PDO Driver for Snowflake repository in GitHub.

## Verifying the Network Connection to Snowflake with SnowCD¶

After configuring your driver, you can evaluate and troubleshoot your network connectivity to Snowflake using SnowCD.

You can use SnowCD during the initial configuration process and on-demand at any time to evaluate and troubleshoot your network connection to Snowflake.