1 files changed, 61 insertions, 0 deletions
diff --git a/include/MySession.class.php b/include/MySession.class.php
new file mode 100644
index 0000000..b57f7c8
--- /dev/null
+++ b/include/MySession.class.php
@@ -0,0 +1,61 @@
+<?php
+
+class MySession {
+
+  private static $_initiated = FALSE;
+  private static $_dataContainer = array();
+
+  public static function init() {
+    if (!self::$_initiated) {
+      session_start();
+      if (!isset($_SESSION['__data'])) {
+	$_SESSION['__data'] = [];
+      }
+      self::$_dataContainer = &$_SESSION['__data'];
+    }
+    self::$_initiated = TRUE;
+  }
+  
+  private static function _getRealm() {
+    $backtrace = debug_backtrace();
+    while (count($backtrace) && isset($backtrace[0]['class']) && $backtrace[0]['class'] == get_class()) {
+      array_shift($backtrace);
+    }
+    if (!count($backtrace) || (!isset($backtrace[0]['class']))) {
+      throw new SessionRealmException('Session realm not provided');
+    }
+    return $backtrace[0]['class'];
+  }
+
+  public static function get($variable, $realm = NULL) {
+    if (!self::$_initiated) {
+      self::init();
+    }
+    if (!$realm) {
+      $realm = self::_getRealm();
+    }
+    if (!isset(self::$_dataContainer[$realm])) {
+      throw new SessionVariableException('Realm '.$realm.' doesn\'t exist');
+    }
+    if (!isset(self::$_dataContainer[$realm][$variable])) {
+      throw new SessionVariableException('Variable '.$realm.'::'.$variable.' not set');
+    }
+    return self::$_dataContainer[$realm][$variable];
+  }
+
+  public static function set($variable, $value, $realm = NULL) {
+    if (!self::$_initiated) {
+      self::init();
+    }
+    if (!$realm) {
+      $realm = self::_getRealm();
+    }
+    if (!isset(self::$_dataContainer[$realm])) {
+      self::$_dataContainer[$realm] = [];
+    }
+    return self::$_dataContainer[$realm][$variable] = $value;
+  }
+
+}
+
+?>