/**
* Write a string as warning output.
*
* @param string $string
* @return void
*/
public function warn($string)
{
if (!$this->output->getFormatter()->hasStyle('warning')) {
$style = new OutputFormatterStyle('yellow');
$this->output->getFormatter()->setStyle('warning', $style);
}
$this->output->writeln("<warning>{$string}</warning>");
}
/**
* Write a string as warning output.
*
* @param string $string
* @param null|int|string $verbosity
* @return void
*/
public function warn($string, $verbosity = null)
{
if (!$this->output->getFormatter()->hasStyle('warning')) {
$style = new OutputFormatterStyle('yellow');
$this->output->getFormatter()->setStyle('warning', $style);
}
$this->line($string, 'warning', $verbosity);
}
/**
* @param $string
* @return mixed
*/
public function plain($string)
{
$this->output->write("{$string}");
}
/**
* Write a string as error output.
*
* @param string $string
* @return void
*/
public function error($string)
{
$this->output->writeln("<error>{$string}</error>");
}
/**
* Write a string as standard output.
*
* @param string $string
*
* @return void
*/
public function line($string)
{
$this->output->writeln($string);
}
