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Stdlib: ReflectionClass::getTraits() missing — getTraitNames() works (ext/reflection/php_reflection.c) #22108
Description
Category
stdlib · php-src-strict
Problem
Zend exposes ReflectionClass::getTraits() as an associative array of trait name → ReflectionClass for each trait used by the class. This compiler implements getTraitNames() but not getTraits(), so trait-aware reflection code fails at runtime.
| Repro | Zend 8.2 | VM (2026-07-22) |
|---|---|---|
method_exists(ReflectionClass::class, 'getTraits') on class C { use T; } |
true |
false |
$r->getTraits() |
['T' => ReflectionClass(T)] |
fatal: undefined method |
php-src reference
- php/php-src
ext/reflection/php_reflection.c—zim_ReflectionClass_getTraits
PHP implementation target
ext/standard/VmReflection.php— addgetTraits()alongside existinggetTraitNames()/getTraitAliases()(Stdlib: ReflectionClass::getTraitAliases() — trait adaptation map missing (ext/reflection/php_reflection.c) #6661); wire through reflection builtin table inext/standard/Module.phpif needed.
Repro
./script/docker-exec.sh -- php bin/vm.php test/repro/reflection_class_get_traits.phpDone when
-
getTraits()returns the same map as Zend for single/multi-trait classes and trait aliases - Compliance guard under
test/compliance/cases/reflection/ - php-src-strict; VM/JIT/AOT agree when reflection is in scope
Activity
PurHur commentedon Jul 22, 2026
claim: PHP Compiler STD Lib Advanced — batch (issues #22127, #22108, #22145, #22064, #22144; sequential PRs)
Queued after #22127: ReflectionClass::getTraits().
PurHur commentedon Jul 22, 2026
claim: PHP Compiler STD Lib Advanced — starting #22108 after #22127 merged (PR #22153).
Implementing ReflectionClass::getTraits() (php-src-strict).
Stdlib: ReflectionClass::getTraits() name=>ReflectionClass map (#22108)…
PurHur commentedon Jul 22, 2026
merged: #22154
Verification
keys=["T1","T2"]/empty=[]/OKphpunit --filter reflection_class_get_traits: OK (2 tests, VM+JIT)Next in batch: #22145 ReflectionParameter::canBePassedByValue() by-ref semantics
Stdlib: ReflectionClass::getInterfaces() name=>ReflectionClass map (#…