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Create: 2024-06-05 Update: 2025-07-06 16:34:51

Как рефакторить метод с необязательными параметрами

Здесь обсуждается проблема, связанную с методами, имеющими необязательные параметры, которые могут вызывать неожиданные побочные эффекты. В качестве примера приводится класс PageRepository с методами find и findOrFail, у которых параметр $prerender имеет разные значения по умолчанию. Это может привести к ненамеренной предварительной отрисовке страницы, что является дорогостоящей операцией.

Пример проблемы:
Класс PageRepository содержит два метода:

find($pageId, $prerender = false), который по умолчанию не выполняет предварительную отрисовку.
findOrFail($pageId, $prerender = true), который по умолчанию выполняет предварительную отрисовку.

Возможные решения:

🟢Установить одинаковые значения по умолчанию для параметра $prerender.

🟢Явно указывать значение параметра.

🟢Разделить метод с флагом параметра на два отдельных метода. Это потребует от разработчика явного выбора функциональности, предотвращая ненамеренные побочные эффекты.

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Lukapeharda

How to Refactor a Method With Optional Params - Luka Peharda - PHP and JS developer

While refactoring and optimising legacy code I've ran into a method signature inconsistency which caused performance issues and was being done without developer intention.

hottg.com/phpproglib/4478

2.9K viewsJun 5, 2024 at 07:02

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Как рефакторить метод с необязательными параметрами

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