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A config ServiceProvider for Silex with support for php, json and yaml.
Pass the config file's path to the service provider's constructor. This is the recommended way of doing it, allowing you to define multiple environments.
$env = getenv('APP_ENV') ?: 'prod';
$app->register(new Igorw\Silex\ConfigServiceProvider(__DIR__."/../config/$env.json"));
Now you can specify a prod
and a dev
environment.
config/prod.json
{
"debug": false
}
config/dev.json
{
"debug": true
}
To switch between them, just set the APP_ENV
environment variable. In apache
that would be:
SetEnv APP_ENV dev
Or in nginx with fcgi:
fastcgi_param APP_ENV dev
Also, you can pass an array of replacement patterns as second argument.
$app->register(new Igorw\Silex\ConfigServiceProvider(__DIR__."/../config/services.json", array(
'data_path' => __DIR__.'/data',
)));
Now you can use the pattern in your configuration file.
/config/services.json
{
"xsl.path": "%data_path%/xsl"
}
You can also specify replacements inside the config file by using a key with
%foo%
notation:
{
"%root_path%": "../..",
"xsl.path": "%root_path%/xsl"
}
To use Yaml instead of JSON, just pass a file that ends on .yml
:
$app->register(new Igorw\Silex\ConfigServiceProvider(__DIR__."/../config/services.yml"));
Note, you will have to require the ~2.1
of the symfony/yaml
package.
If reading the config file on every request becomes a performance problem in production, you can use a plain PHP file instead, and it will get cached by APC.
Just make sure it ends with .php
:
$app->register(new Igorw\Silex\ConfigServiceProvider(__DIR__."/../config/prod.php"));
You can use multiple config files, e. g. one for a whole application and a
specific one for a task by calling $app->register()
several times, each time
passing another instance of Igorw\Silex\ConfigServiceProvider
.