installed plugin W3 Total Cache version 2.3.2

wp-content/plugins/w3-total-cache/ConfigStateNote.php

@@ -0,0 +1,49 @@
+<?php
+namespace W3TC;
+
+/**
+ * Used to show notes at blog-level when master configs are changed
+ *
+ * keys - see ConfigState comment with a list of keys with "timestamp" word
+ */
+class ConfigStateNote {
+	private $_config_state_master;
+	private $_config_state;
+
+
+
+	/**
+	 * Constructor
+	 */
+	public function __construct( $config_state_master, $config_state ) {
+		$this->_config_state_master = $config_state_master;
+		$this->_config_state = $config_state;
+	}
+
+	/**
+	 * Returns value
+	 *
+	 * @param string  $key
+	 * @param string  $default
+	 * @return mixed
+	 */
+	public function get( $key ) {
+		$timestamp = $this->_config_state->get_integer( $key . '.timestamp' );
+		$timestamp_master = $this->_config_state_master->get_integer(
+			$key . '.timestamp' );
+
+		if ( $timestamp > $timestamp_master )
+			return $this->_config_state->get_boolean( $key );
+		else
+			return $this->_config_state_master->get_boolean( $key );
+	}
+
+	/**
+	 * Sets flag to true/false
+	 */
+	public function set( $key, $value ) {
+		$this->_config_state->set( $key, $value );
+		$this->_config_state->set( $key . '.timestamp', time() );
+		$this->_config_state->save();
+	}
+}