28 	 * @param string $referer   user:section:object id
31 	function auto_save($id, $data, $referer = '')  argument
34 		$result = file_put_contents($this->auto_save_name($id, $referer), $data);
42 	 * @param string $referer	textarea specifier (user:section:item)
45 	function remove_save($id, $referer = '')  argument
47 		$referer = $this->ensureReferrer($referer);
49 		$file_name = $this->auto_save_name($id, $referer);
62 	 * @param string $referer    user:section:object id
65 	function has_autosave($id, $referer = '')  argument
67 		return file_exists($this->auto_save_name($id, $this->ensureReferrer($referer)));
74 	 * @param string $referer    user:section:object id
77 	function get_autosave($id, $referer = '')  argument
79 		$file_name = $this->auto_save_name($id, $referer);
90 	 * @param string $referer
93 	function ensureReferrer($referer = '')  argument
97 		if (empty($referer)) {
99 			$referer .= empty($user) ? $tikilib->get_ip_address() : $user;
100 			$referer .= ':';
103 					$referer .= 'wiki_page:' . rawurlencode($_REQUEST['page']);
107 					$referer .= 'blog:' . $_REQUEST['postId'];
110 				$referer .= rawurlencode($_SERVER['REQUEST_URI']);
113 		return $referer;
120 	 * @param string $referer    user:section:object id
124 	private function auto_save_name($id, $referer = '', $only_md5 = false)  argument
127 		$referer = preg_replace('/(\?|\&)noautosave=y/', '', $this->ensureReferrer($referer));
128 …$referer = rawurldecode($referer); // this is needed to ensure consistency whether coming from js …
129 		return ($only_md5 ? '' : 'temp/cache/auto_save-') . md5("$user:$referer:$id");
136 	 * @param string $referer
139 	private function auto_save_log($id, $referer = '', $action = '')  argument
142 …to_save-log-' . ($this->auto_save_name($id, $referer, true)), $user . ' : ' . $this->ensureReferre…