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[PHP SDK] Document 2.0.0 upgrade notes in README #588

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gbiernacki-dropbox merged 1 commit into from
Oct 27, 2026
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[PHP SDK] Document 2.0.0 upgrade notes in README #588

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9 changes: 9 additions & 0 deletions sdks/php/README.md
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Expand Up @@ -3,6 +3,15 @@
Dropbox Sign v3 API


## Upgrading to 2.0.0

Version 2.0.0 is generated with OpenAPI Generator 7.26.0. Existing code keeps working, with these changes:

- **PHP 8.1 or later is required.** PHP 7.4 and 8.0 are no longer supported. Projects on those versions should stay on `dropbox/sign:^1.14`, which receives security and bug-fix patches for one year per the [SDK versioning policy](https://developers.hellosign.com/docs/sdks/versioning-policy).
- **Dependencies:** `guzzlehttp/guzzle >= 7.15.2` (also required since 1.14.1).
- **Model `ArrayAccess` methods** (`offsetExists`, `offsetGet`, `offsetUnset`) now declare `mixed $offset`. Existing calls keep working.
- **New, opt-in:** client certificates (mTLS) with `Configuration::setCertFile()` and `Configuration::setKeyFile()`.

## Migrating from legacy SDK

This SDK is generated from our officially maintained [OpenAPI spec](https://github.com/hellosign/hellosign-openapi/blob/main/openapi.yaml).
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9 changes: 9 additions & 0 deletions sdks/php/templates/README.mustache
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Expand Up @@ -9,6 +9,15 @@ For more information, please visit [{{{infoUrl}}}]({{{infoUrl}}}).
{{/infoUrl}}

{{#useCustomTemplateCode}}
## Upgrading to 2.0.0

Version 2.0.0 is generated with OpenAPI Generator 7.26.0. Existing code keeps working, with these changes:

- **PHP 8.1 or later is required.** PHP 7.4 and 8.0 are no longer supported. Projects on those versions should stay on `dropbox/sign:^1.14`, which receives security and bug-fix patches for one year per the [SDK versioning policy](https://developers.hellosign.com/docs/sdks/versioning-policy).
- **Dependencies:** `guzzlehttp/guzzle >= 7.15.2` (also required since 1.14.1).
- **Model `ArrayAccess` methods** (`offsetExists`, `offsetGet`, `offsetUnset`) now declare `mixed $offset`. Existing calls keep working.
- **New, opt-in:** client certificates (mTLS) with `Configuration::setCertFile()` and `Configuration::setKeyFile()`.

## Migrating from legacy SDK

This SDK is generated from our officially maintained [OpenAPI spec](https://github.com/hellosign/hellosign-openapi/blob/main/openapi.yaml).
Expand Down
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