From 7ddd9521b3f3a397da3b0a6b56238d31414eb4be Mon Sep 17 00:00:00 2001
From: brettp <brettp@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Thu, 28 Oct 2010 19:17:36 +0000
Subject: Standardized code in all of core, not including language files,
 tests, or core mods.

git-svn-id: http://code.elgg.org/elgg/trunk@7124 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 engine/classes/ElggSession.php | 84 +++++++++++++++++++++++++++++++++++-------
 1 file changed, 70 insertions(+), 14 deletions(-)

(limited to 'engine/classes/ElggSession.php')

diff --git a/engine/classes/ElggSession.php b/engine/classes/ElggSession.php
index e34f7a961..1d59aaacc 100644
--- a/engine/classes/ElggSession.php
+++ b/engine/classes/ElggSession.php
@@ -4,34 +4,57 @@
  * This class is intended to extend the $_SESSION magic variable by providing an API hook
  * to plug in other values.
  *
- * Primarily this is intended to provide a way of supplying "logged in user" details without touching the session
- * (which can cause problems when accessed server side).
+ * Primarily this is intended to provide a way of supplying "logged in user"
+ * details without touching the session (which can cause problems when
+ * accessed server side).
  *
- * If a value is present in the session then that value is returned, otherwise a plugin hook 'session:get', '$var' is called,
- * where $var is the variable being requested.
+ * If a value is present in the session then that value is returned, otherwise
+ * a plugin hook 'session:get', '$var' is called, where $var is the variable
+ * being requested.
  *
  * Setting values will store variables in the session in the normal way.
  *
  * LIMITATIONS: You can not access multidimensional arrays
  *
- * This is EXPERIMENTAL.
+ * @package    Elgg.Core
+ * @subpackage Sessions
  */
 class ElggSession implements ArrayAccess {
 	/** Local cache of trigger retrieved variables */
 	private static $__localcache;
 
+	/**
+	 * Test if property is set either as an attribute or metadata.
+	 *
+	 * @param string $key The name of the attribute or metadata.
+	 *
+	 * @return bool
+	 */
 	function __isset($key) {
 		return $this->offsetExists($key);
 	}
 
-	/** Set a value, go straight to session. */
+	/**
+	 * Set a value, go straight to session.
+	 *
+	 * @param string $key   Name
+	 * @param mixed  $value Value
+	 *
+	 * @return void
+	 */
 	function offsetSet($key, $value) {
 		$_SESSION[$key] = $value;
 	}
 
 	/**
-	 * Get a variable from either the session, or if its not in the session attempt to get it from
-	 * an api call.
+	 * Get a variable from either the session, or if its not in the session
+	 * attempt to get it from an api call.
+	 *
+	 * @see ArrayAccess::offsetGet()
+	 *
+	 * @param mixed $key Name
+	 *
+	 * @return void
 	 */
 	function offsetGet($key) {
 		if (!ElggSession::$__localcache) {
@@ -55,16 +78,28 @@ class ElggSession implements ArrayAccess {
 	}
 
 	/**
-	* Unset a value from the cache and the session.
-	*/
+	 * Unset a value from the cache and the session.
+	 *
+	 * @see ArrayAccess::offsetUnset()
+	 *
+	 * @param mixed $key Name
+	 *
+	 * @return void
+	 */
 	function offsetUnset($key) {
 		unset(ElggSession::$__localcache[$key]);
 		unset($_SESSION[$key]);
 	}
 
 	/**
-	* Return whether the value is set in either the session or the cache.
-	*/
+	 * Return whether the value is set in either the session or the cache.
+	 *
+	 * @see ArrayAccess::offsetExists()
+	 *
+	 * @param int $offset Offset
+	 *
+	 * @return int
+	 */
 	function offsetExists($offset) {
 		if (isset(ElggSession::$__localcache[$offset])) {
 			return true;
@@ -74,21 +109,42 @@ class ElggSession implements ArrayAccess {
 			return true;
 		}
 
-		if ($this->offsetGet($offset)){
+		if ($this->offsetGet($offset)) {
 			return true;
 		}
 	}
 
 
-	// Alias functions
+	/**
+	 * Alias to ::offsetGet()
+	 *
+	 * @param string $key Name
+	 *
+	 * @return mixed
+	 */
 	function get($key) {
 		return $this->offsetGet($key);
 	}
 
+	/**
+	 * Alias to ::offsetSet()
+	 *
+	 * @param string $key   Name
+	 * @param mixed  $value Value
+	 *
+	 * @return mixed
+	 */
 	function set($key, $value) {
 		return $this->offsetSet($key, $value);
 	}
 
+	/**
+	 * Alias to offsetUnset()
+	 *
+	 * @param string $key Name
+	 *
+	 * @return bool
+	 */
 	function del($key) {
 		return $this->offsetUnset($key);
 	}
-- 
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