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<?php
namespace StellarWP\Validation\Rules;
use Closure; use DateTimeImmutable; use DateTimeInterface; use Exception; use StellarWP\Validation\Contracts\Sanitizer; use StellarWP\Validation\Contracts\ValidatesOnFrontEnd; use StellarWP\Validation\Contracts\ValidationRule;
/** * This rule validates that the given value is a valid date. * * @since 1.2.0 */ class DateTime implements ValidationRule, ValidatesOnFrontEnd, Sanitizer { /** * @var string|null */ protected $format;
/** * @since 1.2.0 */ public static function id(): string { return 'dateTime'; }
/** * @since 1.2.0 */ public static function fromString(string $options = null): ValidationRule { return new static($options); }
/** * @since 1.2.0 */ public function __construct(string $format = null) { $this->format = $format; }
/** * @since 1.2.0 */ public function __invoke($value, Closure $fail, string $key, array $values) { if ($value instanceof DateTimeInterface) { return; }
$failedValidation = function () use ($fail) { $fail(sprintf(__('%s must be a valid date', '%TEXTDOMAIN%'), '{field}')); };
try { if (!is_string($value) && !is_numeric($value)) { $failedValidation();
return; }
if ($this->format !== null) { $date = \DateTime::createFromFormat($this->format, $value); if ($date === false || $date->format($this->format) !== $value) { $failedValidation();
return; } }
if (strtotime($value) === false) { $failedValidation();
return; } } catch (Exception $exception) { $failedValidation();
return; }
$date = date_parse($value);
if (!checkdate($date['month'], $date['day'], $date['year'])) { $failedValidation(); } }
/** * @since 1.2.0 */ public function sanitize($value) { if ($value instanceof DateTimeInterface) { return $value; }
if ($this->format !== null) { return DateTimeImmutable::createFromFormat($this->format, $value); }
return new DateTimeImmutable($value); }
/** * @since 1.2.0 */ public function serializeOption() { return $this->format; }
}
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