PHP Dependent Drop Down Tutorial: Create dependent dropdowns using jQuery AJAX

This package provides tutorial code for you to learn how to create dependent dropdowns using jQuery AJAX library JavaScript code.

It provides an example code on how to get a list of countries from a class to display in form select input.

The package also shows to use AJAX requests to connect a select input to show the selected country states and another select input to show the state cities.

The list of supported countries, states, and cities is retrieved using a database accessed using the PHP PDO class to access a MySQL database with tables that contain that information.