[ticket/16935] Refactor sphinx to use new clases and remove unused parts

PHPBB3-16935

phpBB/phpbb/search/backend/sphinx/config_item.php

@@ -0,0 +1,41 @@
+<?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\search\backend\sphinx;
+
+/**
+ * \phpbb\search\backend\sphinx\config_item
+ * Represents a single config item inside the sphinx configuration
+ */
+abstract class config_item
+{
+	/** @var string Item name */
+	protected $name = '';
+
+	/**
+	 * Getter for the item's name
+	 *
+	 * @return	string	The item object's name
+	 */
+	public function get_name(): string
+	{
+		return $this->name;
+	}
+
+	/**
+	 * Return string representation of config item
+	 *
+	 * @return	string	String representation of config item
+	 */
+	abstract public function to_string(): string;
+}