Unknown https://github.com/vimeo/psalm/discussions/11207
ignoreInternalFunctionFalseReturn and ignoreInternalFunctionNullReturn are now false by default: this means Psalm now warns when a false/null return type of a native function is not explicitly checked.
Example:
ERROR: InvalidFalsableReturnType at src/Operation/DropCollection.php:89:16 The declared return type 'array<array-key, mixed>|object' for MongoDB\Operation\DropCollection::execute does not allow false, but 'array<array-key, mixed>|false|object' contains false (see https://psalm.dev/143) * @return array|object Command result document ERROR: FalsableReturnStatement at src/Operation/DropCollection.php:117:16 The declared return type 'array<array-key, mixed>|object' for MongoDB\Operation\DropCollection::execute does not allow false, but the function returns 'array<array-key, mixed>|false|object' (see https://psalm.dev/137) return current($cursor->toArray());
- causes
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PHPLIB-1625 Investigate native PHP function return null or false
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- Backlog
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