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Commit b0fa625

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Merge branch '7.2' into 7.3
* 7.2: Tweaks [uid] Fix Uuid::v8() usage example to show it requires a UUID string fix(doctrine): default configuration
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‎components/uid.rst

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+19-17Lines changed: 19 additions & 17 deletions
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@@ -32,13 +32,13 @@ to create each type of UUID:
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**UUID v1** (time-based)
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Generates the UUID using a timestamp and the MAC address of your device
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(`read UUIDv1 spec <https://datatracker.ietf.org/doc/html/draft-ietf-uuidrev-rfc4122bis#name-uuid-version-1>`__).
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(`read the UUIDv1 spec <https://datatracker.ietf.org/doc/html/draft-ietf-uuidrev-rfc4122bis#name-uuid-version-1>`__).
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Both are obtained automatically, so you don't have to pass any constructor argument::
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use Symfony\Component\Uid\Uuid;
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// $uuid is an instance of Symfony\Component\Uid\UuidV1
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$uuid = Uuid::v1();
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// $uuid is an instance of Symfony\Component\Uid\UuidV1
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.. tip::
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@@ -48,15 +48,15 @@ Both are obtained automatically, so you don't have to pass any constructor argum
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**UUID v2** (DCE security)
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Similar to UUIDv1 but with a very high likelihood of ID collision
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(`read UUIDv2 spec <https://datatracker.ietf.org/doc/html/draft-ietf-uuidrev-rfc4122bis#name-uuid-version-2>`__).
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(`read the UUIDv2 spec <https://datatracker.ietf.org/doc/html/draft-ietf-uuidrev-rfc4122bis#name-uuid-version-2>`__).
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It's part of the authentication mechanism of DCE (Distributed Computing Environment)
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and the UUID includes the POSIX UIDs (user/group ID) of the user who generated it.
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This UUID variant is **not implemented** by the Uid component.
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**UUID v3** (name-based, MD5)
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Generates UUIDs from names that belong, and are unique within, some given namespace
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(`read UUIDv3 spec <https://datatracker.ietf.org/doc/html/draft-ietf-uuidrev-rfc4122bis#name-uuid-version-3>`__).
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(`read the UUIDv3 spec <https://datatracker.ietf.org/doc/html/draft-ietf-uuidrev-rfc4122bis#name-uuid-version-3>`__).
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This variant is useful to generate deterministic UUIDs from arbitrary strings.
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It works by populating the UUID contents with the``md5`` hash of concatenating
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the namespace and the name::
@@ -69,8 +69,8 @@ the namespace and the name::
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// $namespace = Uuid::v4();
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// $name can be any arbitrary string
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// $uuid is an instance of Symfony\Component\Uid\UuidV3
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$uuid = Uuid::v3($namespace, $name);
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// $uuid is an instance of Symfony\Component\Uid\UuidV3
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These are the default namespaces defined by the standard:
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@@ -81,20 +81,20 @@ These are the default namespaces defined by the standard:
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**UUID v4** (random)
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Generates a random UUID (`read UUIDv4 spec <https://datatracker.ietf.org/doc/html/draft-ietf-uuidrev-rfc4122bis#name-uuid-version-4>`__).
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Generates a random UUID (`read the UUIDv4 spec <https://datatracker.ietf.org/doc/html/draft-ietf-uuidrev-rfc4122bis#name-uuid-version-4>`__).
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Because of its randomness, it ensures uniqueness across distributed systems
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without the need for a central coordinating entity. It's privacy-friendly
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because it doesn't contain any information about where and when it was generated::
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use Symfony\Component\Uid\Uuid;
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// $uuid is an instance of Symfony\Component\Uid\UuidV4
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$uuid = Uuid::v4();
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// $uuid is an instance of Symfony\Component\Uid\UuidV4
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**UUID v5** (name-based, SHA-1)
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It's the same as UUIDv3 (explained above) but it uses ``sha1`` instead of
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``md5`` to hash the given namespace and name (`read UUIDv5 spec <https://datatracker.ietf.org/doc/html/draft-ietf-uuidrev-rfc4122bis#name-uuid-version-5>`__).
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``md5`` to hash the given namespace and name (`read the UUIDv5 spec <https://datatracker.ietf.org/doc/html/draft-ietf-uuidrev-rfc4122bis#name-uuid-version-5>`__).
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This makes it more secure and less prone to hash collisions.
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.. _uid-uuid-v6:
@@ -103,12 +103,12 @@ This makes it more secure and less prone to hash collisions.
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It rearranges the time-based fields of the UUIDv1 to make it lexicographically
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sortable (like :ref:`ULIDs <ulid>`). It's more efficient for database indexing
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(`read UUIDv6 spec <https://datatracker.ietf.org/doc/html/draft-ietf-uuidrev-rfc4122bis#name-uuid-version-6>`__)::
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(`read the UUIDv6 spec <https://datatracker.ietf.org/doc/html/draft-ietf-uuidrev-rfc4122bis#name-uuid-version-6>`__)::
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use Symfony\Component\Uid\Uuid;
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// $uuid is an instance of Symfony\Component\Uid\UuidV6
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$uuid = Uuid::v6();
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// $uuid is an instance of Symfony\Component\Uid\UuidV6
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.. tip::
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@@ -121,26 +121,28 @@ sortable (like :ref:`ULIDs <ulid>`). It's more efficient for database indexing
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Generates time-ordered UUIDs based on a high-resolution Unix Epoch timestamp
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source (the number of milliseconds since midnight 1 Jan 1970 UTC, leap seconds excluded)
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(`read UUIDv7 spec <https://datatracker.ietf.org/doc/html/draft-ietf-uuidrev-rfc4122bis#name-uuid-version-7>`__).
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(`read the UUIDv7 spec <https://datatracker.ietf.org/doc/html/draft-ietf-uuidrev-rfc4122bis#name-uuid-version-7>`__).
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It's recommended to use this version over UUIDv1 and UUIDv6 because it provides
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better entropy (and a more strict chronological order of UUID generation)::
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use Symfony\Component\Uid\Uuid;
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// $uuid is an instance of Symfony\Component\Uid\UuidV7
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$uuid = Uuid::v7();
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// $uuid is an instance of Symfony\Component\Uid\UuidV7
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**UUID v8** (custom)
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Provides an RFC-compatible format for experimental or vendor-specific use cases
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(`read UUIDv8 spec <https://datatracker.ietf.org/doc/html/draft-ietf-uuidrev-rfc4122bis#name-uuid-version-8>`__).
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The only requirement is to set the variant and version bits of the UUID. The rest
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of the UUID value is specific to each implementation and no format should be assumed::
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Provides an RFC-compatible format intended for experimental or vendor-specific use cases
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(`read the UUIDv8 spec <https://datatracker.ietf.org/doc/html/draft-ietf-uuidrev-rfc4122bis#name-uuid-version-8>`__).
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You must generate the UUID value yourself. The only requirement is to set the
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variant and version bits of the UUID correctly. The rest of the UUID content is
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implementation-specific, and no particular format should be assumed::
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use Symfony\Component\Uid\Uuid;
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// pass your custom UUID value as the argument
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$uuid = Uuid::v8('d9e7a184-5d5b-11ea-a62a-3499710062d0');
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// $uuid is an instance of Symfony\Component\Uid\UuidV8
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$uuid = Uuid::v8();
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If your UUID value is already generated in another format, use any of the
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following methods to create a ``Uuid`` object from it::

‎reference/configuration/doctrine.rst

Copy file name to clipboardExpand all lines: reference/configuration/doctrine.rst
+1-1Lines changed: 1 addition & 1 deletion
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@@ -176,7 +176,7 @@ that the ORM resolves to:
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doctrine:
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orm:
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auto_mapping: true
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auto_mapping: false
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# the standard distribution overrides this to be true in debug, false otherwise
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auto_generate_proxy_classes: false
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proxy_namespace: Proxies

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