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msd2/phpBB3/phpbb/install/helper/install_helper.php

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+<?php
+/**
+ *
+ * This file is part of the phpBB Forum Software package.
+ *
+ * @copyright (c) phpBB Limited <https://www.phpbb.com>
+ * @license GNU General Public License, version 2 (GPL-2.0)
+ *
+ * For full copyright and license information, please see
+ * the docs/CREDITS.txt file.
+ *
+ */
+
+namespace phpbb\install\helper;
+
+/**
+ * General helper functionality for the installer
+ */
+class install_helper
+{
+	/**
+	 * @var string
+	 */
+	protected $php_ext;
+
+	/**
+	 * @var string
+	 */
+	protected $phpbb_root_path;
+
+	/**
+	 * Constructor
+	 *
+	 * @param string	$phpbb_root_path	path to phpBB's root
+	 * @param string	$php_ext			Extension of PHP files
+	 */
+	public function __construct($phpbb_root_path, $php_ext)
+	{
+		$this->phpbb_root_path	= $phpbb_root_path;
+		$this->php_ext			= $php_ext;
+	}
+
+	/**
+	 * Check whether phpBB is installed.
+	 *
+	 * @return bool
+	 */
+	public function is_phpbb_installed()
+	{
+		$config_path = $this->phpbb_root_path . 'config.' . $this->php_ext;
+		$install_lock_path = $this->phpbb_root_path . 'cache/install_lock';
+
+		if (file_exists($config_path) && !file_exists($install_lock_path) && filesize($config_path))
+		{
+			return true;
+		}
+
+		return false;
+	}
+}