In this article, we will focus on the mysqli_get_proto_info() function in PHP, which is used to return the protocol version used by the MySQL connection. We will provide you with an overview of the function, how it works, and examples of its use.

Introduction to the mysqli_get_proto_info() function

The mysqli_get_proto_info() function is a built-in function in PHP that is used to return the protocol version used by the MySQL connection. This function is useful when you need to know the protocol version for a MySQL connection.

How to use the mysqli_get_proto_info() function

Using the mysqli_get_proto_info() function is very simple. You just need to call the function on a valid MySQLi connection. Here is an example:

$mysqli = mysqli_connect("localhost", "username", "password", "database");

$proto_info = mysqli_get_proto_info($mysqli);

echo "Protocol version: " . $proto_info;


In this example, we call the mysqli_connect() function to connect to a MySQL database with a username and password. We then call the mysqli_get_proto_info() function on the MySQLi connection to get the protocol version for the connection. We then output the protocol version using the echo statement.


In conclusion, the mysqli_get_proto_info() function is a useful tool for returning the protocol version used by the MySQL connection. By understanding how to use the function, you can take advantage of this feature to create powerful and flexible MySQLi queries.

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