PHP-Ext provides a library written to support both PHP 4 and 5 that provides an abundance of front-end user interface controls.

PHP - Ext提供一个支持PHP 4和5的库，这个库提供大量前端用户界面控件。

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This can be done in a variety of ways by sending requests for data to the back-end application and then displaying the results in a front-end user interface.

可以有很多种方法做到这一点：通过发送数据请求到后台，然后把结果展现在前台用户界面上。

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The Ribbon and other new aspects of the Office interface provide an opportunity for increased end-user productivity, but also represent significant changes in the look and feel of the core Office applications.

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