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Informations about the package injector
Injector
Injector is a dependency injection container.
It's fast, reliable and easy to understand.
Installation
Usage
Register Services
To register a service you have to call the register-method.
| Parameter | Description | Example |
|---|---|---|
| name | The unique name of the service. | app.my_service |
| service | The service callable. | function($arg1) {} |
| arguments | The arguments for the service. Entries with @-prefix are service references | ['@app.foo', 1] |
Register a service with static arguments
Since not all services need an service injection, the arguments array also supports static entries.
Register a service with a service dependency
Sometimes you need another registered service in your service. In that case you can pass the service name with a @-prefix to reference to it. The (sub-) dependencies are solved recursively.
Register a class as a service
You can also register a class as a service. If the service is loaded, the constructor gets called with the dependencies.
Load a service
To load a service you have to call the loadService-method.
Once a service is loaded, it remains in memory at runtime.
When the same service is loaded again, the first instance is returned.
| Parameter | Description | Example |
|---|---|---|
| name | The unique name of the service. | app.my_service |
Add Parameters
The service container also supports static parameters.
You can add a parameter using the addParameter-method
| Parameter | Description | Example |
|---|---|---|
| name | The unique name of the parameter. | database.host |
To pass a parameter to a service, add before and after the name a '%': %name.of.the.parameter%
Testing
Contribute
Feel free to fork and add pull-requests 🤓
