Exclude the wp-compat false positives from the PHPStan config - #256
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The johnbillion/wp-compat extension that comes with wp-cli-tests checks every WordPress symbol against the WordPress 4.9 baseline that wp-cli-tests configures, and only recognizes function_exists() and method_exists() guards. All eight errors it reported are false positives. WordPress 6.0 merely formalized the already documented `...$args` parameter of `apply_filters()`; the two `intermediate_image_sizes_advanced` calls are in fact already split across a `wp_version_compare()` check for exactly that reason. The WordPress 6.0 change to `wp_generate_attachment_metadata()` added the `$filesize` value to the returned array rather than touching the `$file` parameter, which has been there since WordPress 2.1. And `Media_Command::wp_get_registered_image_subsizes()` only calls its WordPress 5.3 namesake behind a `wp_version_compare()` check, reimplementing it otherwise. Ignore them per file and per error identifier, with the reason documented for each group. Co-authored-by: Pascal Birchler <pascal.birchler@gmail.com>
📝 WalkthroughWalkthroughThe PHPStan configuration adds documented exclusions for three WordPress compatibility diagnostics in ChangesWordPress compatibility diagnostics
Estimated code review effort: 2 (Simple) | ~10 minutes Merge Risk: 🔵 Low · up to The change only adjusts static-analysis exclusions, but one exclusion is broad enough to hide unrelated WordPress function-availability errors in Media_Command. This does not change runtime behavior, yet it could let future compatibility defects pass analysis; merge is reasonable with owner awareness or a follow-up to narrow the matcher. Suggested reviewers: 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
Full details: Docstring CoverageExplanation No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0 files. (1 skipped: 1 unsupported.) ✨ Finishing Touches🧪 Generate unit tests (beta)
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In `@phpstan.neon.dist`:
- Around line 37-39: Update the WPCompat.functionNotAvailable ignore entry in
phpstan.neon.dist for src/Media_Command.php to include a message or rawMessage
matcher targeting only the intended unavailable function, while keeping
unrelated diagnostics in that file visible.
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The `WPCompat.functionNotAvailable` entry matched every diagnostic of that kind in a 2300 line file while only one error needed ignoring, which would have hidden any future call to a function newer than the WordPress 4.9 baseline. Match on the message as well so only `wp_get_registered_image_subsizes()` is covered. Co-authored-by: Pascal Birchler <pascal.birchler@gmail.com>
The
johnbillion/wp-compatPHPStan extension that now ships withwp-cli-testschecks every WordPress symbol against the WordPress 4.9 baseline thatwp-cli-testsconfigures, and only recognizesfunction_exists()andmethod_exists()guards — notwp_version_compare(), which is what this command uses throughout.All eight errors it reported are false positives.
Parameter $file of wp_generate_attachment_metadata() is only available since WordPress version 6.0.0The $filesize value was added to the returned array— it did not touch the$fileparameter, which has been there since WordPress 2.1. The extension appears to be attributing a@sincenote about the return value to the parameterParameter $args of apply_filters() is only available since WordPress version 6.0.0...$argsparameter by adding it to the function signature"; extra arguments were collected throughfunc_get_args()before that. Worth noting the twointermediate_image_sizes_advancedcalls at lines 1750 and 1753 are already split across awp_version_compare( '5.3', '>=' )check for exactly this reason, and both branches get flagged regardlesswp_get_registered_image_subsizes() is only available since WordPress version 5.3.0Media_Command::wp_get_registered_image_subsizes()calls its WordPress 5.3 namesake only inside awp_version_compare( '5.3', '>=' )branch, and reimplements the behaviour from$_wp_additional_image_sizesotherwiseIgnored in
phpstan.neon.distwith the reason documented for each group. The two parameter entries use identifiers that already pin one parameter of one function. The function-availability entry additionally matches on the message, per review on this PR, so it covers onlywp_get_registered_image_subsizes()rather than everyWPCompat.functionNotAvailablediagnostic in a 2300 line file — a call to anything newer than the WordPress 4.9 baseline still surfaces.No source changes: none of these is an actual compatibility problem.
Verification
Run locally against the same dependency versions CI resolves (
johnbillion/wp-compat2.0.0,php-stubs/wordpress-stubsv6.9.4,wp-cli/wp-cli-testsv5.2.3):composer phpstan—[OK] No errorsignore.unmatchederror, confirming the three entries above match real errors rather than sitting there unusedGitHub Actions was failing to allocate runners across the org while this was written, so CI may need a re-run once that clears.
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