PHP | mysqli_get_host_info() Function
January 24, 2021
Hello folks! welcome back to another edition of our tutorial on PHP. In this tutorial guide, we are going to be discussing about the PHP mysqli_get_host_info() Function.
The built-in PHP mysqli_get_host_info() function is used to get the information about the host, i.e. type of the connection used and, name of the host server.
The built-in PHP mysqli_get_host_info() function is used to get the information about the host, i.e. type of the connection used and, name of the host server.
Syntax
Following below is the syntax to use this function -
mysqli_get_host_info($con);
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 specifying the host and connection type.
PHP Version
This built-in PHP function was first introduced in PHP version 5 and works in all the later versions.
Example1
The following below is an example which demonstrates the usage of PHP mysqli_get_host_info() function (in a procedural style) -
<?php //Creating a connection $con = mysqli_connect("localhost", "root", "password", "mydb"); //Host Info $info = mysqli_get_host_info($con); print("Host Info: ".$info); //Closing the connection mysqli_close($con); ?>
Output
When the above code is executed, it will produce the following result -
Client Library Version: localhost via TCP/IP
Example2
In an object oriented style the syntax of this function is $con->host_info. Following is the example of this function in an object oriented style -
<?php //Creating a connection $con = new mysqli("localhost", "root", "password", "mydb"); //Host Info $info = $con->host_info; print("Host Info: ".$info); //Closing the connection $con -> close(); ?>
Output
When the above code is executed, it will produce the following result -
Client Library Version: localhost via TCP/IP
Example3
Following is another example of the PHP mysqli_get_host_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"); $info = mysqli_get_host_info($con); print("Host Info: ".$info); } ?>
Output
When the above code is executed, it will produce the following result -
MySQL Server Version Number: localhost via TCP/IP
Example4
Try the following example below -
<?php $connection_mysql = mysqli_connect("localhost","root","password","mydb"); if (mysqli_connect_errno($connection_mysql)){ echo "Failed to connect to MySQL: " . mysqli_connect_error(); } echo mysqli_get_host_info($connection_mysql); mysqli_close($connection_mysql); ?>
Output
When the above code is executed, it will produce the following result -
localhost via TCP/IP
Alright guys! This is where we are rounding up for this tutorial post. In our next tutorial, we will discuss about the PHP mysqli_get_proto_info() Function.
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