Add upstream

wp-content/plugins/cookie-notice/includes/upgrade.php

@@ -0,0 +1,34 @@
+<?php
+// exit if accessed directly
+if ( ! defined( 'ABSPATH' ) )
+	exit;
+
+new Cookie_Notice_Upgrade( $cookie_notice );
+
+class Cookie_Notice_Upgrade {
+
+	private $defaults;
+
+	public function __construct( $cookie_notice ) {
+		// attributes
+		$this->defaults = $cookie_notice->get_defaults();
+
+		// actions
+		add_action( 'init', array( $this, 'check_upgrade' ) );
+	}
+
+	public function check_upgrade() {
+		if ( ! current_user_can( 'manage_options' ) )
+			return;
+
+		// gets current database version
+		$current_db_version = get_option( 'cookie_notice_version', '1.0.0' );
+
+		// new version?
+		if ( version_compare( $current_db_version, $this->defaults['version'], '<' ) ) {
+			// updates plugin version
+			update_option( 'cookie_notice_version', $this->defaults['version'], false );
+		}
+	}
+
+}