annotate core/lib/Drupal/Component/Uuid/Uuid.php @ 19:fa3358dc1485 tip

Add ndrum files
author Chris Cannam
date Wed, 28 Aug 2019 13:14:47 +0100
parents 4c8ae668cc8c
children
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Chris@0 1 <?php
Chris@0 2
Chris@0 3 namespace Drupal\Component\Uuid;
Chris@0 4
Chris@0 5 /**
Chris@0 6 * UUID Helper methods.
Chris@0 7 */
Chris@0 8 class Uuid {
Chris@0 9
Chris@0 10 /**
Chris@0 11 * The pattern used to validate a UUID string.
Chris@0 12 */
Chris@0 13 const VALID_PATTERN = '[0-9a-f]{8}-([0-9a-f]{4}-){3}[0-9a-f]{12}';
Chris@0 14
Chris@0 15 /**
Chris@0 16 * Checks whether a string appears to be in the format of a UUID.
Chris@0 17 *
Chris@0 18 * Implementations should not implement validation, since UUIDs should be in
Chris@0 19 * a consistent format across all implementations.
Chris@0 20 *
Chris@0 21 * @param string $uuid
Chris@0 22 * The string to test.
Chris@0 23 *
Chris@0 24 * @return bool
Chris@0 25 * TRUE if the string is well formed, FALSE otherwise.
Chris@0 26 */
Chris@0 27 public static function isValid($uuid) {
Chris@0 28 return (bool) preg_match('/^' . self::VALID_PATTERN . '$/', $uuid);
Chris@0 29 }
Chris@0 30
Chris@0 31 }