/**
* enable auto-back feature on given actions
* @param string $actions
* @param string $uri
* @return $this
*/
public function back($actions='insert|update|do_delete', $url="")
{
if ($url == "") {
if (count($this->links)) {
$url = array_pop($this->links);
} else {
return $this;
}
} else {
$match_url = trim(parse_url($url, PHP_URL_PATH),'/');
if (Request::path()!= $match_url) {
$url = Persistence::get($match_url);
}
}
$this->back_on = explode("|", $actions);
$this->back_url = $url;
return $this;
}