feat(php): add consumer message iterator#3463
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hubcio merged 4 commits intoJun 16, 2026
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PHP consumers only exposed callback-driven consumption with a required finite limit. This adds a small Iterator implementation around the existing Rust consumer stream so PHP callers can compose message consumption with foreach while keeping consumeMessages() unchanged. Constraint: PHP SDK is implemented as an ext-php-rs native extension Constraint: Existing callback consumeMessages() behavior must remain compatible Rejected: Add a generator implemented in PHP | the extension owns the Rust consumer stream and can expose Iterator directly Confidence: medium Scope-risk: narrow Directive: Keep callback and iterator consumption semantics aligned around the same Rust consumer stream Tested: cargo fmt --all Tested: cargo fmt --manifest-path foreign/php/Cargo.toml -- --check Tested: php -l foreign/php/iggy-php.stubs.php && php -l foreign/php/tests/IggySdkTest.php Tested: docker run php:8.3-cli-bookworm cargo check --manifest-path foreign/php/Cargo.toml Not-tested: Full PHP PHPUnit suite; foreign/php/Dockerfile.test installs PHP 8.2 while composer.json requires PHP >=8.3
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Additional details and impacted files@@ Coverage Diff @@
## master #3463 +/- ##
============================================
- Coverage 74.70% 74.65% -0.06%
Complexity 937 937
============================================
Files 1256 1249 -7
Lines 124863 122776 -2087
Branches 100585 99301 -1284
============================================
- Hits 93285 91653 -1632
+ Misses 28578 28159 -419
+ Partials 3000 2964 -36
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The PHP lint job regenerates IDE stubs from the compiled extension and expects the checked-in file to match. The iterator method was documented before the generator's class order, so CI saw stub drift despite the extension building and tests passing. Constraint: CI uses cargo php stubs from the compiled PHP extension as the source of truth Rejected: Change Rust export ordering | the generator already emits a stable stub order and the code behavior does not need to move Confidence: high Scope-risk: narrow Tested: cargo fmt --manifest-path foreign/php/Cargo.toml -- --check Tested: php -l foreign/php/iggy-php.stubs.php && php -l foreign/php/tests/IggySdkTest.php Tested: git diff --check Not-tested: Full PHP 8.3 stub-generation lint locally; Docker daemon is unavailable and local PHP headers are 8.5/8.4, which fail ext-php-rs before this crate builds
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Summary
Adds
Iggy\Consumer::iterMessages()for PHP consumers, returning anIggy\MessageIteratorthat implements PHP'sIteratorinterface and yieldsIggy\ReceiveMessageinstances forforeachconsumption.The existing callback-based
consumeMessages(callable, int $limit)path remains unchanged. The README and PHP stubs document the new API, and the PHP SDK tests now cover ordered iterator consumption.Closes #3462
Validation
cargo fmt --allcargo fmt --manifest-path foreign/php/Cargo.toml -- --checkphp -l foreign/php/iggy-php.stubs.php && php -l foreign/php/tests/IggySdkTest.phpdocker run php:8.3-cli-bookworm cargo check --manifest-path foreign/php/Cargo.tomlcargo clippy