[ticket/12039] Use an abstract class and some more minor adjustments

PHPBB3-12039

phpBB/phpbb/console/command/config/get.php

@@ -0,0 +1,44 @@
+<?php
+/**
+*
+* @package phpBB3
+* @copyright (c) 2013 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+namespace phpbb\console\command\config;
+
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class get extends command
+{
+	protected function configure()
+	{
+		$this
+			->setName('config:get')
+			->setDescription("Gets a configuration option's value")
+			->addArgument(
+				'key',
+				InputArgument::REQUIRED,
+				"The configuration option's name"
+			)
+		;
+	}
+
+	protected function execute(InputInterface $input, OutputInterface $output)
+	{
+		$key = $input->getArgument('key');
+
+		if (isset($this->config[$key]))
+		{
+			$output->writeln("<info>{$this->config[$key]}</info>");
+		}
+		else
+		{
+			$output->writeln("<error>Could not get config $key</error>");
+		}
+	}
+}