Describes the type of connection in use for the connection, including the server host name.
The MySQL connection. If the link identifier is not specified, the last link opened by mysql_connect() is assumed. If no such link is found, it will try to create one as if mysql_connect() was called with no arguments. If by chance no connection is found or established, an E_WARNING level warning is generated.
Returns a string describing the type of MySQL connection in use for the connection or FALSE on failure.
Example 1. mysql_get_host_info() example
The above example will output something similar to: