PHP | mysqli_get_server_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_server_info() Function.

The mysqli_get_server_info() function gets the information (version) about the MYSQL server to which a connection is established.

Syntax

Following below is the syntax to use this function -

mysqli_get_server_info([$con]);

READ: PHP | mysqli_get_proto_info() Function

Parameter Details

Sr.No	Parameter & Description
1	con(Mandatory) This is an object representing a connection to MySQL Server.

Return Value

This function returns a string representing the version of the MYSQL server to which the MYSQLi extension is connected to.

PHP Version

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

Example1

The following example below illustates the usage of the PHP mysqli_get_server_info() function (in a procedural style) -

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

   //MySQL Server version
   $version = mysqli_get_server_info($con);
   print("Client Library Version Number: ".$version);

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

Output

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

Client Library Version Number: 5.7.12-log

Example2

In an object oriented style the syntax of this PHP function is $con->client_info. Following is the example of this function in an object oriented style -

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

   //MySQL Server Version
   $version = $con->server_info;
   print("MySQL Server Version Number: ".$version);

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

Output

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

MYSQL Server Version Number: 5.7.12-log

Example3

Following is another example of the PHP mysqli_get_server_info() function -

<?php
   //Creating a connection
   $con = @mysqli_connect("localhost", "root", "password", "mydb");
   
   $code = mysqli_connect_errno();
   if($code){
      print("Connection Failed: ".$code);
   }else{
      print("Connection Established Successfully"."\n");
      $info = mysqli_get_server_info($con);
      print("MySQL Server Version Number: ".$info);
   }
?>

Output

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

Connection Established Successfully
MYSQL Server Version Number: 5.7.12-log

Example4

Try the following example below -

<?php
   $connection_mysql = mysqli_connect("localhost", "user_name", "password", "database_name");
   
   if (mysqli_connect_errno($connection_mysql)){
      print("Failed to connect to MySQL: ".mysqli_connect_error());
   }
   print(mysqli_get_server_info($connection_mysql));
   
   mysqli_close($connection_mysql);
?>

Output

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

5.7.12-log

READ: PHP | mysqli_get_host_info() 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_server_version() Function.

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