PHP | mysqli_get_client_info() Function

PHP mysqli_get_client_info() Function


Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP mysqli_get_client_info() Function.

The PHP mysqli_get_client_info() function is used to get the information (version) about the underlying MYSQL client.

Syntax

Following below is the syntax to use this function -

mysqli_get_client_info([$con]);


Parameter Details

Sr.NoParameter & Description
1

con(Optional)

This is an object representing a connection to MySQL Server.


Return Value

This built-in PHP function returns a string representing the version of the underlying MYSQL client library.

PHP Version

This PHP function was first introduced in PHP version 5 and it works in all the later versions.

Example1

The following example illustrates the usage of PHP mysqli_get_client_info() function (in a procedural style) -

<?php
   $info = mysqli_get_client_info();
   print("Client Library Version: ".$info);
?>

Output

When the above code is executed, it will produce the following result -

Client Library: mysqlnd 7.4.5

Example2

In an object oriented style the syntax of this built-in function is $con->client_info(). The following is the example of this function in an object oriented style -

<?php
   //Creating a connection
   $con = new mysqli("localhost", "root", "password", "mydb");

   //Client library version
   $info = $con->client_info;
   print("Client Library Version: ".$info);

   //Closing the connection
   $con -> close();
?>

Output

When the above code is executed, it will produce the following result -

Client Library Version: mysqlnd 7.4.5

Example3

Let us try invoking this function by passing the optional parameter (connection object) -

<?php
   //Creating a connection
   $con = mysqli_connect("localhost", "root", "password", "mydb");

   //Client library version
   $info = mysqli_get_client_info($con);
   print("Client Library Version: ".$info);

   //Closing the connection
   mysqli_close($con);
?>

Output

When the above code is executed, it will produce the following result -

Client Library: mysqlnd 7.4.5

Example4

Try the following example below -

<?php
   $connection_mysql = mysqli_connect("localhost","user","password","mydb");
   
   if (mysqli_connect_errno($connection_mysql)){
      echo "Failed to connect to MySQL: " . mysqli_connect_error();
   }
   
   print_r(mysqli_get_client_info($connection_mysql));
   
   mysqli_close($connection_mysql);
?>

Output

When the above code is executed, it will produce the following result -

mysqlnd 7.4.5


Alright guys! This is where we are rounding up for this tutorial post. In our next tutorial, we are going to be studying about the PHP mysqli_get_client_stats() Function.

Do feel free to ask your questions where necessary and we will attend to them as soon as possible. If this tutorial was helpful to you, you can use the share button to share this tutorial.

Do follow us on our various social media handles available and also subscribe to our newsletter to get our tutorial posts delivered directly to your emails.

Thanks for reading and bye for now.