jQuery Autocomplete Mutiple Fields with PHP & Ajax

In this tutorial I am going to show how to populate multiple textfields using single jQuery autocomplete select. For example I am going search country name on country name textfield using jQuery autocomplete, finally results will show list of country names that matches your search. While selecting country name from any one of the search results, it will populate that corresponding country Number, Country Phone code and Country code will be populated automatically in their respective textfields.