PHP Design Pattern--Strategy mode

Web Development Notes www.chhua.com daily practice PHP design mode--strategy mode

The strategy pattern is very important in the design pattern and may be the most important pattern in the modern object-oriented design.
It is used to create pluggable, replaceable, reusable components.
For a complete and simple description of the policy pattern, the following code shows a very simple example.

Code Demo: The implementation of an example is to implement a class that gets the HTML code,
The structure of the class, divided into two parts, part of the acquisition of HTML, part of the acquisition of related content,

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<?php class htmldom{ private $STROBJ//Content Object public function __construct ($STROBJ) { $this- >strobj= $strObj; } Public Function gethtml () {return '

The above is a small example of a strategy pattern, and while this example is trivial, this design pattern is useful in more complex situations

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