Guard the block subcommands on older WordPress and quiet the wp-compat false positives - #647
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Guard the block subcommands on older WordPress and quiet the wp-compat false positives#647swissspidy wants to merge 5 commits into
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The johnbillion/wp-compat extension checks every WordPress symbol against the WordPress 4.9 baseline that wp-cli-tests configures, and only recognizes function_exists() and method_exists() guards. It therefore cannot see the `before_invoke` version checks in entity-command.php or the polyfills in src/Compat/, which made it report 106 errors. Ignore the false positives per file and per error identifier, documenting the reason for each group: * WP_Block_Processor is polyfilled in src/Compat/ and loaded on demand. * `wp font *`, `wp user application-password`, `wp user privacy-request`, `wp site meta` and `wp post block` all abort on older WordPress versions through `before_invoke`. * Only the uppercase 'ID' alias for the $field parameter of get_term_by() is WordPress 5.5+, and these call sites pass 'id', 'term_id' or 'slug'. * WordPress 6.0 and 5.3 merely formalized the already documented `...$args` parameters of apply_filters() and wpdb::prepare(). * Older WordPress versions silently ignore the extra $force_cache argument passed to wp_load_alloptions(). Two of the reported errors are not false positives. They are ignored in separate, narrowly scoped entries so that the check stays enabled for the rest of those files: * serialize_blocks() arrived in WordPress 5.3.1, later than the WordPress 5.0 `before_invoke` check on `wp post block`, so the subcommands that write post content back fatal on WordPress 5.0 - 5.3.0. * `wp post` has no `before_invoke` check at all, so `wp post has-block` fatals on WordPress 4.9. Co-authored-by: Pascal Birchler <pascal.birchler@gmail.com>
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Included review availability: Your plan provides up to 2 included reviews per hour; 1 remains after this review. 📝 WalkthroughWalkthroughThe change adds scoped PHPStan suppressions and runtime checks for WordPress block serialization and block detection APIs. Block-mutating commands check for ChangesWordPress compatibility
Estimated code review effort: 2 (Simple) | ~10 minutes Merge Risk: ⚪ Minimal · up to The PR adds targeted WordPress-version guards so unsupported block commands fail cleanly instead of fatally, while preserving supported read-only behavior; no actionable merge-blocking risk remains beyond normal checks and review. Suggested reviewers: 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 8 functions across 2 files. (2 skipped: 2 unsupported.) ✨ Finishing Touches🧪 Generate unit tests (beta)
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In `@phpstan.neon.dist`:
- Around line 105-108: Remove the WPCompat.functionNotAvailable ignore for
serialize_blocks() and update the wp post block command’s minimum supported
WordPress version to 5.3.1, or implement a compatible fallback that preserves
support for older versions. Ensure all affected subcommands avoid calling
serialize_blocks() on WordPress versions before 5.3.1.
- Around line 114-117: Remove the WPCompat.functionNotAvailable ignore for
src/Post_Command.php and update the unguarded has_block() call in the command’s
before-invocation flow to require WordPress 5.0 or delegate through
Block_Processor_Helper::has_block(), preserving behavior on supported WordPress
versions.
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Two of the wp-compat findings were real gaps rather than false positives, so guard the calls instead of ignoring them. `function_exists()` is what wp-compat understands, so the guards double as the fix and remove the need for the two ignores. `serialize_blocks()` was introduced in WordPress 5.3.1, later than the WordPress 5.0 `before_invoke` check on `wp post block`, so `update`, `insert`, `remove`, `move`, `replace`, `clone` and `import` fataled on WordPress 5.0 - 5.3.0. Route those seven call sites through a private wrapper that checks for the function first. Keeping the check in the wrapper rather than raising the `before_invoke` version leaves the read-only subcommands working on WordPress 5.0 - 5.3.0. `wp post` carries no `before_invoke` version check at all, so `wp post has-block` fataled on WordPress 4.9. Check for `has_block()` up front and error out with the usual message instead. Co-authored-by: Pascal Birchler <pascal.birchler@gmail.com>
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The previous approach routed the seven mutating subcommands through a private `serialize_blocks()` wrapper, which meant the WordPress 5.3.1 check only ran after the command had already fetched the post, parsed every block and applied the requested changes. For `wp post block update` that also fired the `wp_cli_post_block_update_html` filter, so third-party callbacks loaded through `--require` ran for a command that was always going to fail. Drop the wrapper and check for `serialize_blocks()` as the first statement of `update`, `insert`, `remove`, `move`, `replace`, `clone` and `import` instead, so they abort before touching anything. The read-only subcommands keep working on WordPress 5.0 - 5.3.0, and wp-compat still sees the guard, so no PHPStan ignore is needed. Co-authored-by: Pascal Birchler <pascal.birchler@gmail.com>
The functional test matrix runs WordPress 4.9, so the `wp post has-block` guard can be asserted directly. The scenario also pins the deliberate asymmetry between the two subcommands: `wp post has-blocks` keeps working because it goes through the bundled WP_Block_Processor polyfill, while `wp post has-block` depends on the WordPress 5.0 `has_block()` function and now reports that requirement instead of fataling. The WordPress 5.3.1 `serialize_blocks()` guard cannot be covered the same way. It only triggers between WordPress 5.0 and 5.3.0, and the matrix runs 4.9, 6.9, latest and trunk, so a scenario for it would never execute. Co-authored-by: Pascal Birchler <pascal.birchler@gmail.com>
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The remaining file-wide entries matched every `WPCompat.methodNotAvailable` or `WPCompat.functionNotAvailable` diagnostic in their files. Each command really is gated on a `before_invoke` version check, but a future call to something introduced later than that gate would have been swallowed silently. Match on the message as well, naming both the symbols and the version each command is gated on, so anything newer keeps being reported. The `wp user application-password` group splits in two as a result, separating the WordPress 5.6 methods covered by `before_invoke` from the single 5.7 method that has its own `wp_version_compare()` check. Co-authored-by: Pascal Birchler <pascal.birchler@gmail.com>
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The
johnbillion/wp-compatPHPStan extension that now ships withwp-cli-testsreported 106 errors. It checks every WordPress symbol against the WordPress 4.9 baseline thatwp-cli-testsconfigures, and only recognizesfunction_exists()andmethod_exists()guards — so it cannot see thebefore_invokeversion checks inentity-command.php, thewp_version_compare()calls in the commands, or the polyfills insrc/Compat/.98 are false positives. 8 are real, and are fixed in code rather than ignored.
The real ones
Worth noting up front: raising a
before_invokeversion would not have silenced either of these. wp-compat measures against the 4.9 baseline and never looks atbefore_invoke, so the errors would have stayed and the ignores would have had to stay with them.function_exists()is the guard it does understand, so here it doubles as the runtime fix and the reason the ignore can go.serialize_blocks()is WordPress 5.3.1, later than the WordPress 5.0before_invokecheck onwp post block.update,insert,remove,move,replace,cloneandimporttherefore fataled on WordPress 5.0 - 5.3.0. Each now checks for the function as its first statement, so they abort before fetching the post, parsing blocks, or firing thewp_cli_post_block_update_htmlfilter — which previously ran third-party callbacks for a command that was always going to fail. Keeping the check in the subcommands rather than raisingbefore_invokeleaves the read-only subcommands (list,parse,get,count,export,render) working on WordPress 5.0 - 5.3.0.wp postcarries nobefore_invokecheck at all, sowp post has-blockfataled on WordPress 4.9 through core'shas_block(). It now checks for the function up front and reports the requirement. Abefore_invokewas not an option, since it would apply to everywp postsubcommand.The false positives
Block_Processor_Helper.phpWP_Block_Processoris polyfilled insrc/Compat/and loaded on demand viaBlockProcessorLoader::load()Font_Collection_Command.php,Font_Family_Command.phpwp font *aborts below WordPress 6.5 viabefore_invokePost_Block_Command.phpparse_blocks()/render_block()/has_blocks()—wp post blockaborts below WordPress 5.0 viabefore_invokeUser_Application_Password_Command.phpbefore_invoke; the one 5.7 method sits behind awp_version_compare()checkUser_Privacy_Request_Command.phpbefore_invokeTerm_Command.php,Menu_Item_Command.php,CommandWithTerms.php'ID'alias forget_term_by()'s$fieldis WordPress 5.5+; these pass'id','term_id'or'slug', and--byaccepts onlyslugoridSite_Meta_Command.phpwp site metaaborts unlessfunction_exists( 'is_site_meta_supported' )— the WordPress 5.1 function that shipped alongside the*_site_meta()functions used herePost_Block_Command.php...$argsparameter" ofapply_filters()Site_Command.phpwpdb::prepare()in 5.3; passing a single array of values is explicitly documented behaviourOption_Command.php$force_cacheonwp_load_alloptions()is 5.3.1+, but older versions silently drop the extra argument, so the cache refresh inwp option set-autoloaddegrades to a no-op instead of failingThese are ignored per file and per error identifier in
phpstan.neon.dist, with the reason documented for each group. ThePost_Block_Command.phpentry is deliberately scoped by message to the three WordPress 5.0 functions, so that a future 5.3.1+ call surfaces instead of being swallowed.Tests
The functional matrix runs WordPress 4.9, so
post-block.featuregains a@less-than-wp-5.0scenario asserting thatwp post has-blockreports the requirement. The same scenario pins the deliberate asymmetry between the two subcommands:wp post has-blockskeeps working there because it goes through the bundled polyfill.The
serialize_blocks()guard cannot be covered the same way. It only triggers between WordPress 5.0 and 5.3.0, and the matrix runs 4.9, 6.9, latest and trunk, so a scenario for it would never execute.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— all 106 wp-compat errors resolvedcomposer phpcs— clean, including thetestVersion 7.2-PHPCompatibility rules against the polyfill path, since the 4.9 matrix entry runs PHP 7.2composer phpunit— 132/132gherkin-lint4.2.4 with the org ruleset — cleanTwo caveats worth stating plainly. Behat could not be run in my environment (its harness needs a provisioned database), so the new scenario has been linted but never executed. And GitHub Actions was failing to allocate runners across the org while this was written, so CI may need a re-run once that clears.
Summary by CodeRabbit
Summary by CodeRabbit
New Features
wp post has-blockcommand now requires WordPress 5.0 or newer.Bug Fixes
wp post has-blockscontinues to work on WordPress versions before 5.0.