1 files changed, 49 insertions, 47 deletions
diff --git a/lib/CacheInterface.php b/lib/CacheInterface.php
index 091c5f02..67cee681 100644
--- a/lib/CacheInterface.php
+++ b/lib/CacheInterface.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of RSS-Bridge, a PHP project capable of generating RSS and
  * Atom feeds for websites that don't have one.
@@ -6,61 +7,62 @@
  * For the full license information, please view the UNLICENSE file distributed
  * with this source code.
  *
- * @package	Core
- * @license	http://unlicense.org/ UNLICENSE
- * @link	https://github.com/rss-bridge/rss-bridge
+ * @package Core
+ * @license http://unlicense.org/ UNLICENSE
+ * @link    https://github.com/rss-bridge/rss-bridge
  */
 
 /**
  * The cache interface
  */
-interface CacheInterface {
-	/**
-	 * Set scope of the current cache
-	 *
-	 * If $scope is an empty string, the cache is set to a global context.
-	 *
-	 * @param string $scope The scope the data is related to
-	 */
-	public function setScope($scope);
+interface CacheInterface
+{
+    /**
+     * Set scope of the current cache
+     *
+     * If $scope is an empty string, the cache is set to a global context.
+     *
+     * @param string $scope The scope the data is related to
+     */
+    public function setScope($scope);
 
-	/**
-	 * Set key to assign the current data
-	 *
-	 * Since $key can be anything, the cache implementation must ensure to
-	 * assign the related data reliably; most commonly by serializing and
-	 * hashing the key in an appropriate way.
-	 *
-	 * @param array $key The key the data is related to
-	 */
-	public function setKey($key);
+    /**
+     * Set key to assign the current data
+     *
+     * Since $key can be anything, the cache implementation must ensure to
+     * assign the related data reliably; most commonly by serializing and
+     * hashing the key in an appropriate way.
+     *
+     * @param array $key The key the data is related to
+     */
+    public function setKey($key);
 
-	/**
-	 * Loads data from cache
-	 *
-	 * @return mixed The cached data or null
-	 */
-	public function loadData();
+    /**
+     * Loads data from cache
+     *
+     * @return mixed The cached data or null
+     */
+    public function loadData();
 
-	/**
-	 * Stores data to the cache
-	 *
-	 * @param mixed $data The data to store
-	 * @return self The cache object
-	 */
-	public function saveData($data);
+    /**
+     * Stores data to the cache
+     *
+     * @param mixed $data The data to store
+     * @return self The cache object
+     */
+    public function saveData($data);
 
-	/**
-	 * Returns the timestamp for the curent cache data
-	 *
-	 * @return int Timestamp or null
-	 */
-	public function getTime();
+    /**
+     * Returns the timestamp for the curent cache data
+     *
+     * @return int Timestamp or null
+     */
+    public function getTime();
 
-	/**
-	 * Removes any data that is older than the specified age from cache
-	 *
-	 * @param int $seconds The cache age in seconds
-	 */
-	public function purgeCache($seconds);
+    /**
+     * Removes any data that is older than the specified age from cache
+     *
+     * @param int $seconds The cache age in seconds
+     */
+    public function purgeCache($seconds);
 }