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README Strategy

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Dominik Liebler 2013-09-24 13:05:47 +02:00
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# Strategy
## Terminology:
* Context
* Strategy
* Concrete Strategy
## Purpose
To separate strategies and to enable fast switching between them. Also this pattern is a good alternative to inheritance (instead of having an abstract class that is extended).
## Examples
* sorting a list of objects, one strategy by date, the other by id
* simplify unit testing: e.g. switching between file and in-memory storage

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namespace DesignPatterns\Strategy;
/**
* strategy pattern
*
* Terminology:
* - Context
* - Strategy
* - Concrete Strategy
*
* Purpose:
* to separate strategies and to enable fast switching between them.
* also this pattern is a good alternative to inheritance (instead of having an abstract class that is extended)
*
* Examples:
* - sorting a list of objects, one strategy by date, the other by id
* - simplify unit testing: e.g. switching between file and in-memory storage
*
*/
$elements = array(
array(
'id' => 2,