[ticket/11998] Turn develop/extensions.php into console commands.

PHPBB3-11998

phpBB/phpbb/console/command/extension/show.php

@@ -0,0 +1,58 @@
+<?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\extension;
+
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class show extends command
+{
+	protected function configure()
+	{
+		$this
+			->setName('extension:show')
+			->setDescription('Lists all extensions in the database and on the filesystem.')
+		;
+	}
+
+	protected function execute(InputInterface $input, OutputInterface $output)
+	{
+		$this->manager->load_extensions();
+		$all = array_keys($this->manager->all_available());
+
+		if (empty($all))
+		{
+			$output->writeln('<comment>No extensions were found.</comment>');
+			return 3;
+		}
+
+		$enabled = array_keys($this->manager->all_enabled());
+		$this->print_extension_list($output, 'Enabled', $enabled);
+
+		$output->writeln('');
+
+		$disabled = array_keys($this->manager->all_disabled());
+		$this->print_extension_list($output, 'Disabled', $disabled);
+
+		$output->writeln('');
+
+		$purged = array_diff($all, $enabled, $disabled);
+		$this->print_extension_list($output, 'Available', $purged);
+	}
+
+	protected function print_extension_list(OutputInterface $output, $type, array $extensions)
+	{
+		$output->writeln("<info>$type:</info>");
+
+		foreach ($extensions as $extension)
+		{
+			$output->writeln(" - $extension");
+		}
+	}
+}