Check Username Availability in PostgreSQL with AJAX and PHP

With the use of jQuery AJAX you can instantly display the entered username is already been used or not by another user.

User doesn’t have to submit form.

In this tutorial, I show how you can check username if it already exists in the PostgreSQL database or not using jQuery AJAX and PHP.

Check Username Availability in PostgreSQL with AJAX and PHP

Read more

Create Dynamic Dependent Dropdown with PostgreSQL PHP and AJAX

By auto-populating dropdown you can restrict users selection based on the parent dropdown selection.

Data is changed on child dropdowns every time selection is changed.

In this tutorial, I show how you can create dynamic dependent dropdown with PostgreSQL data using jQuery AJAX and PHP.

Create dynamic dependent dropdown with PostgreSQL PHP and AJAX

Read more