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| <?php | |
| /** | |
| * Check if a given string is a valid UUID | |
| * | |
| * @param string $uuid The string to check | |
| * @return boolean | |
| */ | |
| function isValidUuid( $uuid ) { | |
| if (!is_string($uuid) || (preg_match('/^[a-f\d]{8}(-[a-f\d]{4}){4}[a-f\d]{8}$/i', $uuid) !== 1)) { |