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Example code of mnavarrocarter/problem-details

Informations about the package problem-details

ApiException (RFC7807 Implementation)

ApiException is an abstract exception class for php that implements the RFC7807 problem details structure.

It is ment to be extended into other exception classes that define specific error types, according to the RFC.

Installing

Simply do:

composer require mnavarrocarter/problem-details

Usage

Creating your custom Exception Types

For the different problem types in your api, you must create meaningful exception classes that will extend this abstract one, and override the constructor to set your custom type, title and, if you want, status code.

Using Factory Pattern to simplify error creation.

Now, with your class created, you can use the factory pattern to quickly and simply create new instances of the custom error type you just created.

Then, in your client code:

Then, at your controller level, you can catch these exceptions to provide a response. Or, if you use frameworks like Symfony, you can configure an Exception Listener.

If you noticed, the ApiException implements PHP's \JsonSerializable interface. So it is easily serialized with a simple json_encode(). If you want to just normalize the object, you can call the toArray() method.

Modifiying the implementation

tldr; You can't. You can implement the interface though.

This implementation is very closed. Property visibility is hidden from you, and you can only interact with the properties via the public methods.

Also, the implementation methods are declared final, so you can't override them. This will protect you from breaking anything, as this class is developed to always provide a meaningful response by checking stuff in getters and setters.

The interface is there in case you want to create your own implementation.

All versions of problem-details with dependencies

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Package Version
Requires php Version >=7.1
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