Verzeichnisstruktur phpBB-3.3.15
- Veröffentlicht
- 28.08.2024
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ConfirmationQuestion.php
01 <?php
02
03 /*
04 * This file is part of the Symfony package.
05 *
06 * (c) Fabien Potencier <fabien@symfony.com>
07 *
08 * For the full copyright and license information, please view the LICENSE
09 * file that was distributed with this source code.
10 */
11
12 namespace Symfony\Component\Console\Question;
13
14 /**
15 * Represents a yes/no question.
16 *
17 * @author Fabien Potencier <fabien@symfony.com>
18 */
19 class ConfirmationQuestion extends Question
20 {
21 private $trueAnswerRegex;
22
23 /**
24 * @param string $question The question to ask to the user
25 * @param bool $default The default answer to return, true or false
26 * @param string $trueAnswerRegex A regex to match the "yes" answer
27 */
28 public function __construct($question, $default = true, $trueAnswerRegex = '/^y/i')
29 {
30 parent::__construct($question, (bool) $default);
31
32 $this->trueAnswerRegex = $trueAnswerRegex;
33 $this->setNormalizer($this->getDefaultNormalizer());
34 }
35
36 /**
37 * Returns the default answer normalizer.
38 *
39 * @return callable
40 */
41 private function getDefaultNormalizer()
42 {
43 $default = $this->getDefault();
44 $regex = $this->trueAnswerRegex;
45
46 return function ($answer) use ($default, $regex) {
47 if (\is_bool($answer)) {
48 return $answer;
49 }
50
51 $answerIsTrue = (bool) preg_match($regex, $answer);
52 if (false === $default) {
53 return $answer && $answerIsTrue;
54 }
55
56 return '' === $answer || $answerIsTrue;
57 };
58 }
59 }
60