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Example code of rstgroup/zf-external-config-module

Informations about the package zf-external-config-module

ZF External Config Module

This module provides the logic and abstraction for loading and merging application's configuration from external sources.

The module itself does not have any external provider yet, providers can be installed via Composer or written it your application's code.

Installation

Require module with Composer:

The next step is adding module to ZF system configuration (config/application.config.php):

Adding providers

To load configuration from external source, the providers should be registered in your app's configuration:

The module skims through enabled providers defined in: ` and creates them using Inner Service Manager.

Enabling and disabling providers

Disabled providers, even though they are defined, don't participate in creation of final configuration.

Here's an example how to mark defined provider enabled or disabled:

Inner Service Manager

In the example above you can see service_manager definition.

The module attaches itself to the configuration merge process, thus the application's default ServiceManager is not yet available. In order to keep the service manager's functionality, zf-external-config-module creates its own manager!

Your service can be created by factory, can be declared invokable etc. - the same way you normally declare services.

But remember, this service ends its life just after external configuration is loaded and merged!

Passing configuration to your providers

When defining your own providers you might require to pass some credentials or other parameters into the provider instance. To do so - the best way is to use factory functionality, because factories have the (inner) service manager injected!

Inner Service Manager has the application configuration and zf-external-config-module's configuration registered as services:

Note that the rst_group.external_config key is removed from application's configuration, but you can still get it using module's config.

Writing your own provider

External config providers have to implement \RstGroup\ZfExternalConfigModule\Config\ConfigProviderInterface and be registered in module and inner service manager. Those are the only requirements!

You can store the code in your own application's codebase, but we recommend to share it with the community and publish it on GitHub & Composer :) We'll gladly add your provider to this package's suggested providers!

Suggested providers

Consul KV Storage: rstgroup/zf-external-config-consul-provider

All versions of zf-external-config-module with dependencies

PHP Build Version
Package Version
Requires php Version ^5.6 || ^7
zendframework/zend-modulemanager Version ^2.7
zendframework/zend-servicemanager Version ^3.3
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