rebase from live enviornment

wp/plugins/wordfence/lib/wfPersistenceController.php

@@ -0,0 +1,40 @@
+<?php
+
+class wfPersistenceController {
+	private $_disclosureStates;
+	
+	public static function shared() {
+		static $_shared = false;
+		if ($_shared === false) {
+			$_shared = new wfPersistenceController();
+		}
+		return $_shared;
+	}
+	
+	public function __construct() {
+		$this->_disclosureStates = wfConfig::get_ser('disclosureStates', array());
+	}
+	
+	/**
+	 * Returns whether the options block is in an active state. 
+	 * 
+	 * @param $key
+	 * @return bool
+	 */
+	public function isActive($key) {
+		if (!isset($this->_disclosureStates[$key])) {
+			return false;
+		}
+		return !!$this->_disclosureStates[$key];
+	}
+	
+	/**
+	 * Returns whether the options block has been set.
+	 *
+	 * @param $key
+	 * @return bool
+	 */
+	public function isConfigured($key) {
+		return isset($this->_disclosureStates[$key]);
+	}
+}