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_proto_info() Function.
The PHP mysqli_get_proto_info() function is used to get the information about (version) of the MYSQL protocol used.
The PHP mysqli_get_proto_info() function is used to get the information about (version) of the MYSQL protocol used.
Syntax
Following below is the syntax to use this function -
mysqli_get_proto_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 an integer value specifying the version of the MYSQL protocol used.
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 illustrates the usage of the PHP mysqli_get_proto_info() function (in a procedural style) -
<?php //Creating a connection $con = mysqli_connect("localhost", "root", "password", "mydb"); //Protocol Version $info = mysqli_get_proto_info($con); print("Protocol Version: ".$info); //Closing the connection mysqli_close($con); ?>
Output
When the above code is executed, it will produce the following result -
Protocol Version: 10
Example2
In an object oriented style the syntax of this PHP function is $con->protocol_version. The following is the example of this function in an object oriented style -
<?php //Creating a connection $con = new mysqli("localhost", "root", "password", "mydb"); //Protocol Version $info = $con->protocol_version; print("Protocol Version: ".$info); //Closing the connection $con -> close(); ?>
Output
When the above code is executed, it will produce the following result -
Protocol Version: 10
Example3
Following is another example of the PHP mysqli_get_protocol_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"); $info = mysqli_get_proto_info($con); print("Protocol Version: ".$info); } ?>
Output
When the above code is executed, it will produce the following result -
Connection Established Successfully Protocol Version: 10
Example4
Try the following example below -
<?php $con = mysqli_connect("localhost","root", "password", "mydb"); if (mysqli_connect_errno($con)){ echo "Failed to connect to MySQL: ".mysqli_connect_error(); } echo mysqli_get_proto_info($con); mysqli_close($con); ?>
Output
When the above code is executed, it will produce the following result -
10
Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we are going to be discussing about the built-in mysqli_get_server_info() Function in PHP.
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