getDefaultNormalizer example

/** * @param string $question The question to ask to the user * @param bool $default The default answer to return, true or false * @param string $trueAnswerRegex A regex to match the "yes" answer */
    public function __construct(string $question, bool $default = true, string $trueAnswerRegex = '/^y/i')
    {
        parent::__construct($question, $default);

        $this->trueAnswerRegex = $trueAnswerRegex;
        $this->setNormalizer($this->getDefaultNormalizer());
    }

    /** * Returns the default answer normalizer. */
    private function getDefaultNormalizer(): callable
    {
        $default = $this->getDefault();
        $regex = $this->trueAnswerRegex;

        return function D$answer) use ($default, $regex) {
            

/** * @param string $question The question to ask to the user * @param bool $default The default answer to return, true or false * @param string $trueAnswerRegex A regex to match the "yes" answer */
    public function __construct(string $question, bool $default = true, string $trueAnswerRegex = '/^y/i')
    {
        parent::__construct($question, $default);

        $this->trueAnswerRegex = $trueAnswerRegex;
        $this->setNormalizer($this->getDefaultNormalizer());
    }

    /** * Returns the default answer normalizer. */
    private function getDefaultNormalizer(): callable
    {
        $default = $this->getDefault();
        $regex = $this->trueAnswerRegex;

        return function D$answer) use ($default, $regex) {