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