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<?php |
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/* |
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* This file is part of Respect/Validation. |
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* |
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* (c) Alexandre Gomes Gaigalas <[email protected]> |
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* |
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* For the full copyright and license information, please view the "LICENSE.md" |
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* file that was distributed with this source code. |
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*/ |
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namespace Respect\Validation\Rules; |
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use DateTimeInterface; |
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use Respect\Validation\Result; |
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use Respect\Validation\Rule; |
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/** |
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* Validates if input is a date. |
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* |
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* @author Alexandre Gomes Gaigalas <[email protected]> |
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* @author Henrique Moody <[email protected]> |
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* |
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* @since 0.3.9 |
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*/ |
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final class Date implements Rule |
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{ |
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/** |
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* @var string |
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*/ |
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private $format; |
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const EXCEPTIONAL_FORMATS = [ |
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'c' => 'Y-m-d\TH:i:sP', |
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'r' => 'D, d M Y H:i:s O', |
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]; |
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public function __construct(string $format = null) |
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{ |
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if (isset(self::EXCEPTIONAL_FORMATS[$format])) { |
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$format = self::EXCEPTIONAL_FORMATS[$format]; |
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} |
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$this->format = $format; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function validate($input): Result |
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{ |
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if ($input instanceof DateTimeInterface) { |
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return new Result($this->format === null, $input, $this, array_filter(['format' => $this->format])); |
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} |
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$scalarValResult = (new ScalarVal())->validate($input); |
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if (!$scalarValResult->isValid()) { |
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return new Result(false, $input, $this, [], $scalarValResult); |
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} |
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if ($this->format === null) { |
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return $this->validateWithoutFormat($input); |
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} |
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return $this->validateWithFormat($input, $this->format); |
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} |
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private function validateWithoutFormat($input): Result |
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{ |
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return new Result(false !== strtotime($input), $input, $this); |
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} |
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private function validateWithFormat($input, string $format): Result |
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{ |
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$info = date_parse_from_format($format, $input); |
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$isValid = $info['error_count'] === 0 && $info['warning_count'] === 0; |
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return new Result($isValid, $input, $this, ['format' => $format]); |
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} |
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} |
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Respect /
Validation
