PHP round desktop application

PHP desktop applications? Http://docs.php.net/manual/zh/intro-whatcando.php compile the desktop application program. For desktop applications with graphic interfaces, PHP & nbsp; may not be the best language, but if users are very proficient in & nbsp; PHP, and want to use the PHP desktop application on the client?
Http://docs.php.net/manual/zh/intro-whatcando.php

Write a desktop application. For desktop applications with graphic interfaces, PHP may not be the best language, but if you are very proficient in PHP and want to use some advanced features of PHP in client applications, PHP-GTK can be used to write these programs. In this way, you can also compile cross-platform applications. The PHP-GTK is an extension of PHP and does not include it in a commonly published PHP package. If you are interested in a PHP-GTK, visit it? For more information.

Problem:
1. what desktop applications can be written in PHP?
To an instance.

2. how to install PHP-GTK in ubuntu12.04 LTS? Share:
------ Solution --------------------
In fact, you still don't understand it a little. you can simply think of a touch screen as an input device. it just replaces your mouse, keyboard, or tablet.
For a common computer or notebook, you can install windows, linux, and other systems, as long as there is a related hardware driver, there is no problem;
For tablets, mobile phones, and other devices, the underlying system can only be used by corresponding developers for understanding and learning. for example, IOS requires object-c, Android requires java, and c, wp is dominated by vc, and java should also support
For embedded devices, special languages may be required.

Any language is intended for devices and systems, unless you learn a more underlying language, such as assembly.