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- <?php
- namespace Drupal\Component\Uuid;
- /**
- * UUID Helper methods.
- */
- class Uuid {
- /**
- * The pattern used to validate a UUID string.
- */
- const VALID_PATTERN = '[0-9a-f]{8}-([0-9a-f]{4}-){3}[0-9a-f]{12}';
- /**
- * Checks whether a string appears to be in the format of a UUID.
- *
- * Implementations should not implement validation, since UUIDs should be in
- * a consistent format across all implementations.
- *
- * @param string $uuid
- * The string to test.
- *
- * @return bool
- * TRUE if the string is well formed, FALSE otherwise.
- */
- public static function isValid($uuid) {
- return (bool) preg_match('/^' . self::VALID_PATTERN . '$/', $uuid);
- }
- }
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