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<?php |
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namespace NilPortugues\Uuid; |
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/** |
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* Class Uuid |
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* @package NilPortugues\Uuid |
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*/ |
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class Uuid implements UuidInterface |
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{ |
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/** |
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* When this namespace is specified, the name string is a fully-qualified domain name. |
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* @link http://tools.ietf.org/html/rfc4122#appendix-C |
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*/ |
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const NAMESPACE_DNS = '6ba7b810-9dad-11d1-80b4-00c04fd430c8'; |
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/** |
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* When this namespace is specified, the name string is a URL. |
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* @link http://tools.ietf.org/html/rfc4122#appendix-C |
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*/ |
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const NAMESPACE_URL = '6ba7b811-9dad-11d1-80b4-00c04fd430c8'; |
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/** |
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* When this namespace is specified, the name string is an ISO OID. |
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* @link http://tools.ietf.org/html/rfc4122#appendix-C |
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*/ |
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const NAMESPACE_OID = '6ba7b812-9dad-11d1-80b4-00c04fd430c8'; |
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/** |
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* When this namespace is specified, the name string is an X.500 DN in DER or a text output format. |
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* @link http://tools.ietf.org/html/rfc4122#appendix-C |
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*/ |
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const NAMESPACE_X500 = '6ba7b814-9dad-11d1-80b4-00c04fd430c8'; |
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const UUID4 = 'uuid4'; |
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const UUID5 = 'uuid5'; |
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/** |
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* @var string |
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*/ |
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private static $namespaceLess = self::UUID4; |
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/** |
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* @var string |
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*/ |
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private static $usesNamespace = self::UUID5; |
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/** |
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* @var array |
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*/ |
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private static $uuidMap = [ |
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self::UUID4 => '\NilPortugues\Uuid\Versions\Uuid4::create', |
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self::UUID5 => '\NilPortugues\Uuid\Versions\Uuid5::create', |
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]; |
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/** |
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* Returns an Uuid identifier. |
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* |
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* @param string|null $namespace |
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* @param string|null $name |
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* |
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* @return string |
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*/ |
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public static function create($namespace = null, $name = null) |
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{ |
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if (null === $namespace) { |
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return self::createNamespacelessUuid(); |
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} |
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return self::createNamespacedUuid($namespace, $name); |
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} |
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/** |
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* Returns an Uuid1, Uuid3 or Uuid5 identifier. |
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* |
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* @return string |
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*/ |
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private static function createNamespacelessUuid() |
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{ |
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return self::generate(self::$namespaceLess, []); |
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} |
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/** |
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* Call a Uuid generator and returns an Uuid identifier. |
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* |
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* @param string $uuidKey |
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* @param array $arguments |
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* |
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* @return string |
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*/ |
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private static function generate($uuidKey, array $arguments) |
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{ |
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$classAndMethod = \explode('::', self::$uuidMap[$uuidKey]); |
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return \call_user_func_array($classAndMethod, $arguments); |
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} |
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/** |
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* Returns an Uuid identifier using namespaces. |
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* |
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* @param $namespace |
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* @param $name |
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* |
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* @return string |
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*/ |
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private static function createNamespacedUuid($namespace, $name) |
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{ |
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return self::generate(self::$usesNamespace, [$namespace, $name]); |
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} |
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} |
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nilportugues /
uuid
