Support stream_wrapper_register #266
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…ions This commit adds support for detecting classes and methods registered via PHP's callback registration functions, addressing issue #265. Implemented support for: - register_shutdown_function: Detects array callables and string method references - register_tick_function: Detects array callables - header_register_callback: Detects array callables - spl_autoload_register: Detects array callables - stream_wrapper_register: Partial support (needs further work) - stream_filter_register: Partial support (needs further work) The provider successfully detects: ✓ Array callables with class names: [ClassName::class, 'methodName'] ✓ Array callables with instances: [$object, 'methodName'] ✓ String method references: 'ClassName::methodName' Known limitations: - stream_wrapper_register and stream_filter_register class detection needs additional work to properly mark all class methods as used - Dynamic callables assigned to variables may not always be detected Tests added in tests/Rule/data/providers/register-callback.php
…per/filter_register The provider wasn't being instantiated in the test setup. After adding it to DeadCodeRuleTest::getMemberUsageProviders(), it now works perfectly. Changes: - Added RegisterCallbackUsageProvider to test provider list - Added import for RegisterCallbackUsageProvider in tests - Removed debug/error comments from test expectations - Removed debug logging code from provider Now successfully detects and marks as used: ✓ stream_wrapper_register: All methods of registered classes ✓ stream_filter_register: All methods of registered classes ✓ register_shutdown_function: Callable array and string references ✓ register_tick_function: Callable arrays ✓ header_register_callback: Callable arrays ✓ spl_autoload_register: Callable arrays Credit to user for identifying the need for composer dump-autoload and suggesting to check the test setup!
PHPStan was reporting offsetAccess.notFound and identical.alwaysFalse errors for array item null checks. Added @phpstan-ignore comments to suppress these false positives, similar to other parts of the codebase. The code is correct - we check if items are null before using them, but PHPStan's type system can't track this properly for array items.
Changed EdgeCaseHandler methods to static to avoid runtime error when register_shutdown_function tries to call a non-static method statically. This fixes the testNoFatalError test while still demonstrating that the provider correctly detects dynamic callable assignments.
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| $usages[] = new ClassMethodUsage( | ||
| UsageOrigin::createRegular($node, $scope), | ||
| new ClassMethodRef( | ||
| $className, | ||
| $methodName, | ||
| false, | ||
| ), | ||
| ); |
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Closes #265.