PHP code example of improvframework / configuration

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

improvframework / configuration example snippets

$config = new \Improv\Configuration($_ENV);

$config->has('APP_DEBUG_VERBOSITY'); // true
$config->has('SOME_OTHER_KEY');      // false

$config->get('APP_DEBUG_VERBOSITY'); // string(1) "4"
$config->get('PHPFPM_BUFFER_COUNT'); // string(2) "16"

$config = new \Improv\Configuration($_ENV, 'APP_');

$config->get('DEBUG_VERBOSITY');     // string(1) "4"
$config->get('APP_DEBUG_VERBOSITY'); // throws InvalidKeyException
$config->get('PHPFPM_BUFFER_COUNT'); // throws InvalidKeyException

$container['config.app'] = function () {
	return new \Improv\Configuration($_ENV, 'APP_');
};

$container['config.debug'] = function (Container $container) {
    $base = $container->get('config.app');
    return $base->withPrefix('DEBUG_');
};

$container['config.db'] = function (Container $container) {
	$base = $container->get('config.app');
	return $base->withPrefix('DB_');
};

$container['config.api'] = function (Container $container) {
    $base = $container->get('config.app');
    return $base->withPrefix('SOMESERVICE_API_');
};

// ... //

$container['database.read'] = function (Container $container) {
	$dbconfig = $container->get('config.db');
	return new Database(
		$dbconfig->get('READ_POOL'),
		$dbconfig->get('READ_USER'),
		$dbconfig->get('READ_PASS')
	);
};

// ... //

$container['api.service'] = function (Container $container) {
	$apiconfig = $container->get('config.api');
	return new ApiService(
		$apiconfig->get('URL'),
		$apiconfig->get('KEY'),
		$apiconfig->get('SECRET')
	);
};

$config = new \Improv\Configuration($_ENV, 'APP_');

$config->get('DEBUG_ON');           // string(1) "0"
$config->get('DEBUG_VERBOSITY');    // string(1) "4"
$config->get('MAX_LOGIN_ATTEMPTS'); // string(1) "3"
$config->get('APP_WHITELIST_CIDR'); // string(29) "123.456.7.8/32|123.456.255/12"
$config->get('DB_READ_POOL');       // string(71) "mysql://dbname=appname;host=1.1.1.1|mysql://dbname=appname;host=2.2.2.2"

$config = new \Improv\Configuration($_ENV, 'APP_');

// Use the built-in boolean mapper
$config->map('DEBUG_ON')->toBool();

// Assign multiple keys at once, using built-in int mapper
$config->map('DEBUG_VERBOSITY', 'MAX_LOGIN_ATTEMPTS')->toInt();

// Invoke the "using" method to and callback to parse values
$config->map(
	'WHITELIST_CIDR',
	'DB_READ_POOL'
)->using(
	function($val) {
		return explode('|', $val);
	}
);

// Now, all future retrievals from any part of the application
// will spit out the translated value(s)

// ... //

$config->get('DEBUG_ON');           // bool(false)
$config->get('DEBUG_VERBOSITY');    // int(4)
$config->get('MAX_LOGIN_ATTEMPTS'); // int(3)

$config->get('WHITELIST_CIDR');
// array(2) {
//  [0] => string(14) "123.456.7.8/32"
//  [1] => string(14) "123.456.255/12"
// }

class DelimiterMap
{
	private $delimiter;

	public function __construct($delimiter)
	{
		$this->delimiter = $delimiter;
	}

	public function __invoke($value)
	{
		return explode($this->delimiter, $value);
	}
}

// ... //

$config->map('WHITELIST_CIDR')->using(new DelimiterMap('|'));