Memoize ArrayType->isList()#5680
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VincentLanglet
approved these changes
May 16, 2026
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micro optimization for ~8-10% faster repro in phpstan/phpstan#14624
php bin/phpstan analyse -vv --debug bug-14624.phpbefore this PR ~20s
after this PR ~18,5s
just fixing a low hanging fruit. of course we need a more general fix to close the referenced issue