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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);
}
}