Add PayPal payment provider#1127

Merged

yansongda merged 11 commits intomasterfrom

copilot/support-paypal-integration

Mar 22, 2026

Commits on Mar 19, 2026

Commits on Mar 20, 2026

Add PayPal documentation and CHANGELOG entry for v3.7.20 (#1127)

Copilot
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yansongda
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Commits on Mar 21, 2026

refactor: rename PayPal namespace from V1 to V2, support external access_token, add Copilot attribution to docs, improve test coverage

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fix: resolve coding style issues in Functions.php and add PayPal function tests

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fix: address PR review comments and add copilot-instructions.md

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feat: implement PayPal webhook signature verification and rewrite copilot-instructions.md in Chinese

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fix: add phpstan-ignore for CallbackPlugin type mismatch

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refactor: remove unnecessary @throws and imports from PayPal plugins

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test: add PaypalTest.php Provider-level tests

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yansongda
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