Join Keith Casey for an in-depth discussion in this video The strategy pattern in action, part of PHP: Design Patterns.
- The strategy pattern is common to most…of the frameworks, especially for repetitive tasks…that are slightly different, depending on conditions,…which is the point of the strategy pattern itself.…In this example, I've used Composer to install…Zend Filter and Zend Internationalization Libraries.…You can see the results here.…Filtering data is challenging and depending…on what type of data you're expecting and want,…the process is completely different.…For example, if you ask a user for a phone number,…you know that eventually it'll be all numbers.…You might need to filter a few things first,…but it will end up being numbers.…
Alternatively, if you ask a user for an email address…you really wanna see the @ sign.…In this example, we've started with a simple phrase…that includes an ampersand and a single quote.…The first filter we use escapes HTML entities.…The second strips anything that is not alphanumeric…from the string.…That includes spaces.…And the third and final filter, strips anything…that is not alphanumeric, but keeps the spaces.…
Author
Released
1/28/2015- Accessing data with the active record and table data gateway patterns
- Creating objects with the factory, singleton, and mock objects patterns
- Extending code with decorator and adapter patterns
- Structuring applications with MVC and Action-Domain-Responder patterns
Each chapter features a design pattern in a real-world coding scenario, and closes with a practice challenge to test your new skills.
Skill Level Intermediate
Duration
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Introduction
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Welcome51s
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1. The Active Record Pattern
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2. The Adapter Pattern
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3. The Decorator Pattern
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4. The Factory Pattern
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5. Mock Objects
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Introducing mock objects2m 18s
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6. The Model-View-Controller Pattern
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7. The Action-Domain-Response Pattern
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8. The Publish/Subscriber Pattern
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9. The Singleton Pattern
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10. The Strategy Pattern
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11. The Table Data Gateway Pattern
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Conclusion
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Next steps2m 8s
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Video: The strategy pattern in action