I am trying to make a registration page for my website but when I run it; it gives error. What am I doing wrong?

<?php
//Form values

$name_value=$_POST['Name_input'];

$Username_value=$_POST['Username_input'];

$DOB_value=$_POST['DOB_input'];

$Password_value=$_POST['Password_input'];

$Phone_number_value=$_POST['Phone_number_input'];

$Python_checkbox_value=$_POST['Python_checkbox'];

$Java_checkbox_value=$_POST['Java_checkbox'];

$C_sharp_checkbox_value=$_POST['C#_checkbox'];

$HTML_checkbox_value=$_POST['HTML_checkbox'];

$Cpp_checkbox_value=$_POST['C  _checkbox'];

$R_checkbox_value=$_POST['R_checkbox'];

$swift_checkbox_value=$_POST['swift_checkbox'];

$kotlin_checkbox_value=$_POST['kotlin_checkbox'];

$JS_checkbox_value=$_POST['JS_checkbox'];

CodePudding user response：

I think it's already solved, here is an answer

But when I check it, you can see the parameter is name=value