、、： 请选择 Visual C++ Visual Basic DOS Unix_Linux C++ Builder Java Windows_Unix Delphi C-C++ PHP-PERL PHP Perl Python HTML Asm Pascal Borland C++ Others MultiPlatform C++ VFP SQL PDF TEXT WORD VBscr ipt Javascr ipt ASP CSharp CHM FlashMX matlab PowerBui

一个ppt文件，描述了PHP的面向对象设计的原则和方法。-A ppt file, which introduces the principles and methods of PHP object-oriented design.