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[13.x] Fix sum() return type when the key matches a global function name - #61578
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taylorotwell merged 1 commit intoSep 14, 2026
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`useAsCallable()` is `! is_string($value) && is_callable($value)`, so a
string callback is never invoked — `valueRetriever()` always turns it
into `data_get($item, $value)`. The `$callback is callable` conditional
does not know that, so any key sharing a name with a global function
takes the callable branch and binds `TReturnType` to that function's
return type. `sum('today')` infers `CarbonInterface` from the `today()`
helper; `sum('count')` leaves `TReturnType` unresolved and reports
`argument.templateType` under phpstan 2.2.13+.
Testing the string case first keeps every other inference as it was:
`sum('string')` stays `mixed` and the callable form still resolves
`TReturnType`.
Co-Authored-By: Claude Opus 5 (1M context) <[email protected]>
binaryfire
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Oct 1, 2026
Handle string outer keys in collapseWithKeys and describe receiver types after collection mutation, including nullable keys. Return base collections for Eloquent duplicate attribute or callback values; keep model collections when no callback is supplied. Correct mapped duplicate and sum types, annotate empty builders and Wayfinder defaults, and preserve explicit null-key behavior without PHP 8.5 deprecations. Consolidate overlapping coverage. Collection tests and full type analysis pass. Upstream: laravel/framework#61539 laravel/framework#61571 laravel/framework#61572 laravel/framework#61578 laravel/framework#61597 laravel/framework#61611 laravel/framework#61621 Source: laravel/framework at 7068848dfe48fc3a433598e09ce798799d442a52.
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useAsCallable()is! is_string($value) && is_callable($value), so a string callback is never invoked —valueRetriever()always turns it intodata_get($item, $value).However, the
$callback is callableconditional does not know that, so any key sharing a name with a global function takes the callable branch and bindsTReturnTypeto that function's return type.E.g.:
sum('today')infersCarbonInterfacefrom thetoday()helper;sum('count')leavesTReturnTypeunresolved and reportsargument.templateTypeunder phpstan 2.2.13+.Testing the string case first keeps every other inference as it was:
sum('string')staysmixedand the callable form still resolvesTReturnType.