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Design Patterns in PHP and Laravel pp 181–197Cite as

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Observer

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Abstract

Define a one-to-many dependency between objects so that when one object changes state, all its dependents are notified and updated automatically.

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Notes

  1. 1.

    Design Patterns: Elements of Reusable Object-Oriented Software, p. 326

  2. 2.

    http://php.net/manual/en/class.splsubject.php

  3. 3.

    http://php.net/manual/en/class.splobserver.php

  4. 4.

    http://php.net/manual/en/book.spl.php

  5. 5.

    https://github.com/kdocki/larasign/blob/observer/database/seeds/DatabaseSeeder.php

  6. 6.

    https://github.com/kdocki/larasign/blob/observer/database/migrations/2015_03_10_222303_create_cars_table.php

  7. 7.

    http://en.wikipedia.org/wiki/Event-driven_architecture

  8. 8.

    http://laravel.com/docs/4.2/events

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Authors and Affiliations

  1. Dolph, Arkansas, USA

    Kelt Dockins

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  1. Kelt Dockins
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© 2017 Kelt Dockins

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Dockins, K. (2017). Observer. In: Design Patterns in PHP and Laravel. Apress, Berkeley, CA. https://doi.org/10.1007/978-1-4842-2451-9_22

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