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Example code of code-distortion/di-caller

Informations about the package di-caller

DI Caller

Latest Version on Packagist PHP Version GitHub Workflow Status Buy The World a Tree

code-distortion/di-caller is a PHP package that calls callables / callbacks / hooks, using dependency injection to resolve their parameters.

I built this to use in my own packages, where the caller can pass callbacks and I don't know which parameters they need exactly. This package lets you specify the parameters you want to provide, and it resolves them for the caller at call-time.

It isn't a Dependency Injection Container like those used in frameworks. Each callable is dealt with individually.

Table of Contents

Installation

Install the package via composer:

Usage

There are three steps to using this package:

DICaller will match the parameters you've registered to the callable's signature.

You can register parameters by type, which supports class-type and variable type (integer, string, etc.):

You can register parameters by name:

You can register parameters by position (starting from 0):

Union types are supported:

Note: Union types might not be processed in the same order as they're written in the signature, as DICaller uses Reflection which may alter the order.

Intersection types are supported:

Variadic parameters are supported, but are treated like normal parameters:

Validation

Before calling ->call(), you can check that the callable is actually callable, and the parameters resolve using ->canCall():

And you can check and call it in one step using ->callIfPossible():

Note: This will return null when the call isn't possible, which isn't distinguishable from a successful call that returns null.

Exceptions

If the callable isn't actually callable, a DICallerInvalidCallableException is thrown when ->call() is called:

If the parameters can't be resolved, a DICallerUnresolvableParametersException is thrown when ->call() is called:

Testing This Package

Changelog

Please see CHANGELOG for more information on what has changed recently.

SemVer

This library uses SemVer 2.0.0 versioning. This means that changes to X indicate a breaking change: 0.0.X, 0.X.y, X.y.z. When this library changes to version 1.0.0, 2.0.0 and so forth, it doesn't indicate that it's necessarily a notable release, it simply indicates that the changes were breaking.

Treeware

This package is Treeware. If you use it in production, then we ask that you buy the world a tree to thank us for our work. By contributing to the Treeware forest you’ll be creating employment for local families and restoring wildlife habitats.

Contributing

Please see CONTRIBUTING for details.

Code of Conduct

Please see CODE_OF_CONDUCT for details.

Security

If you discover any security related issues, please email [email protected] instead of using the issue tracker.

Credits

License

The MIT License (MIT). Please see License File for more information.

All versions of di-caller with dependencies

PHP Build Version
Package Version
Requires php Version 7.0.* | 7.1.* | 7.2.* | 7.3.* | 7.4.* | 8.0.* | 8.1.* | 8.2.* | 8.3.* | 8.4.*
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