Square

海外API・決済

Aliases / services: Square / Block, Inc. / Block / Square, Inc.
Official website: https://squareup.com/

Each response applies only to its stated service scope. “Not listed” does not mean unpatched or unaffected.

Response status by service

Square PHP SDK

Response status: Not listed
Response information checked: 2026-10-27 Rechecked: 2026-10-27

The PHP SDK installs with composer require square/square. Version 41 was a rewrite with breaking changes to client construction and parameter names when upgrading from 40 or earlier.

Scope: Official PHP integration documentation only. PHP2Shell response and provider-side patch completion are unconfirmed. SDK and PHP runtime updates are separate.

What users should do

Read the migration guide, match SDK and API versions, and test before upgrading.

Official service URL

https://squareup.com/

Source URLs

Square PHP SDKhttps://developer.squareup.com/docs/sdks/phpService and operation documentation

Related official sources

Square PHP SDKOfficial information directory
Square US general termsOfficial information directory