# List of Supported Socket Transports

## Table of Contents

- Internet Domain: TCP, UDP, SSL, and TLS
- Unix Domain: Unix and UDG

The following is a list of the various URL style socket transports that PHP has built-in for use with the streams based socket functions such as fsockopen(), and stream_socket_client(). These transports do not apply to the Socket Functions of the Sockets extension.

For a list of transports installed in your version of PHP use stream_get_transports().

`↑` and `↓` to navigate • `Enter` to select • `Esc` to close • `/` to open