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]);

READ: PHP | mysqli_get_charset() Function

Parameter Details

Sr.No	Parameter & 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

READ: PHP | mysqli_field_count() Function

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.

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