Improve support of FILTER_REQUIRE_ARRAY #4410
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VincentLanglet commented Oct 5, 2025
| assertType('array<int>|null', filter_var($mixed, FILTER_VALIDATE_INT, ['flags' => FILTER_REQUIRE_ARRAY|FILTER_NULL_ON_FAILURE])); | ||
| assertType('array<string, int>|false', filter_var($stringMixedMap, FILTER_VALIDATE_INT, ['flags' => FILTER_REQUIRE_ARRAY])); | ||
| assertType('array<string, int>|null', filter_var($stringMixedMap, FILTER_VALIDATE_INT, ['flags' => FILTER_REQUIRE_ARRAY|FILTER_NULL_ON_FAILURE])); | ||
| assertType('array<int|false>|false', filter_var($mixed, FILTER_VALIDATE_INT, ['flags' => FILTER_REQUIRE_ARRAY])); |
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mixed can either be
- array with valid values
- array with invalid values (will be array)
- non-array (will be false)
| assertType('array<string, int>|null', filter_var($stringMixedMap, FILTER_VALIDATE_INT, ['flags' => FILTER_REQUIRE_ARRAY|FILTER_NULL_ON_FAILURE])); | ||
| assertType('array<int|false>|false', filter_var($mixed, FILTER_VALIDATE_INT, ['flags' => FILTER_REQUIRE_ARRAY])); | ||
| assertType('array<int|null>|null', filter_var($mixed, FILTER_VALIDATE_INT, ['flags' => FILTER_REQUIRE_ARRAY|FILTER_NULL_ON_FAILURE])); | ||
| assertType('array<string, int|false>', filter_var($stringMixedMap, FILTER_VALIDATE_INT, ['flags' => FILTER_REQUIRE_ARRAY])); |
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Here we always have an array so the result cannot be false (but an array with false values)
| Thank you. |
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Closes phpstan/phpstan#11863
After this merge I'll work on phpstan/phpstan#11485
I think it will require to change
hasFlagsignature to return a TrinaryLogiccc @herndlm