$this->minLevelIndex = self::$levels[$minLevel];
$this->formatter = $formatter ?: array($this, 'format');
- if (false === $this->handle = is_resource($output) ? $output : @fopen($output, 'a')) {
+ if (false === $this->handle = \is_resource($output) ? $output : @fopen($output, 'a')) {
throw new InvalidArgumentException(sprintf('Unable to open "%s".', $output));
}
}