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author | Chris Cannam |
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date | Wed, 28 Aug 2019 13:14:47 +0100 |
parents | 4c8ae668cc8c |
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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); } }