3) Introducing ConfigFactory

src/Core/Config/IConfigCache.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace Friendica\Core\Config;
+
+interface IConfigCache
+{
+	/**
+	 * @param string $cat     Config category
+	 * @param string $key       Config key
+	 * @param mixed  $default Default value if it isn't set
+	 *
+	 * @return mixed Returns the value of the Config entry
+	 */
+	function get($cat, $key = null, $default = null);
+
+	/**
+	 * Sets a value in the config cache. Accepts raw output from the config table
+	 *
+	 * @param string $cat   Config category
+	 * @param string $key   Config key
+	 * @param mixed  $value Value to set
+	 */
+	function set($cat, $key, $value);
+
+	/**
+	 * Deletes a value from the config cache
+	 *
+	 * @param string $cat  Config category
+	 * @param string $key  Config key
+	 */
+	function delete($cat, $key);
+
+	function getAll();
+}