rfc:arithmetic_operator_type_checks
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| rfc:arithmetic_operator_type_checks [2020/04/01 13:54] – created nikic | rfc:arithmetic_operator_type_checks [2020/04/02 09:55] – Fix "WTF?" example output. salathe | ||
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| ====== PHP RFC: Stricter type checks for arithmetic/ | ====== PHP RFC: Stricter type checks for arithmetic/ | ||
| - | * Date: 2020-04-01 | + | * Date: 2020-04-02 |
| * Author: Nikita Popov < | * Author: Nikita Popov < | ||
| - | * Status: | + | * Status: |
| * Target Version: PHP 8.0 | * Target Version: PHP 8.0 | ||
| * Implementation: | * Implementation: | ||
| Line 14: | Line 14: | ||
| <PHP> | <PHP> | ||
| var_dump([] % [42]); | var_dump([] % [42]); | ||
| - | // int(1) | + | // int(0) |
| // WTF? | // WTF? | ||
| </ | </ | ||
| Line 61: | Line 61: | ||
| The changes proposed here are intended to be entirely uncontroversial. | The changes proposed here are intended to be entirely uncontroversial. | ||
| + | |||
| + | ===== Open Questions ===== | ||
| + | |||
| + | It might be worthwhile to go one step further: | ||
| + | |||
| + | * Make non-numeric string operands throwing. Non-numeric here means not starting with a digit (optionally preceded by whitespace). This would not apply to operators that have special behavior for strings, such as string increment. | ||
| + | * Make overflowing float values throwing for operators that expect an integer ('' | ||
| + | |||
| + | This would have the advantage of aligning the semantics with parameter type checks in coercive mode, for the types '' | ||
| ===== Backward Incompatible Changes ===== | ===== Backward Incompatible Changes ===== | ||
rfc/arithmetic_operator_type_checks.txt · Last modified: 2020/05/05 14:12 by nikic