Yes, We can Create a Custom register form without using any plugin.
Below i will tell you step by step Example in details that i have already implemented in a wordpress website.
First We need to Create a template for the register form:
Let say tmpl-register.php is our file name:
Here we will learn how to use ajax in the wordpreee, How to send an email using Ajax that means without refreshing a page we will send an email.
I am showing you an easy way for all this.
Suppose we have a form. Below i m showing you the simple bootstrap used form.
We have three fields in this form that are Name,………..
Use the below simple code to get the image full url.
that url can ve used in many ways like in
in the below i will show you how to use in img tag
In general we are in used of cresting the taxonomy like categories, Countries or another_category. That could be the any name.
To create a taxonomy Click HERE
Okay if our taxonomy is ready then we need to add the categories under it like i have created you can see in the below screenshot: