Just an example of Pimple DI

logger-init.php

<?php
$logger = new Logger_Pimple(array(
	'log_remote_endpoint' => 'https://secure.freeola.com',
	'log_remote_user'     => 'luke',
	'log_remote_password' => 'luke',
));

$logger['log']->add(0, 'An error occured');

logger-pimple.php

<?php
include 'Pimple.php';

class Logger_Pimple extends Pimple {
	public function __construct(array $config = NULL)
	{
		if (isset($config))
		{
			$this->add($config);
		}
	
		$this->add(array(
			'log' => function ($c)
			{
				$log = new Log;
				return $log
					->attach_logger($c['log_database'])
					->attach_logger($c['log_remote'])
					->attach_logger($c['log_file'])
					;
			},
			
			'log_database' => function ($c)
			{
				return new Log_Database;
			},

			'log_remote' => function ($c)
			{
				return new Log_Remote(
					$c['log_remote_endpoint'],
					$c['log_remote_user'],
					$c['log_remote_password']
				);
			},

			'log_file' => function ($c)
			{
				return new Log_File;
			},
		));
	}
}