/**
* Record to this file.
* Does not open the logger if not already open. Directory must exist.
* @param string $name
*/
public function set_file_name($fn)
{
if ($this->_file_name != $fn) {
if ($this->is_open()) {
$this->close();
}
$url = new FILE_URL($fn);
$url->ensure_file_exists();
$this->_file_handle = @fopen($fn, 'a');
if ($this->is_open()) {
$this->_file_name = $fn;
$this->_has_messages = false;
}
}
}
