public function __construct($filename, ILogMessageFormatter $formatter = null, array $filters = array())
{
parent::__construct($formatter, $filters);
$this->filename = $filename;
$this->handle = @fopen($filename, 'a', false);
if ($this->handle === false) {
throw new RuntimeException("Cannot open file '{$filename}' for writing");
}
}
public function __construct(array $handlers, array $filters = array())
{
parent::__construct(null, $filters);
$this->handlers = $handlers;
}