Implement GH-18261: Allow cast to be used in constant expressions #18264
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iluuu1994
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Apr 6, 2025
mvorisek
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Apr 6, 2025
mvorisek
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Apr 6, 2025
iluuu1994
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Apr 10, 2025
UPGRADING
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| @@ -130,6 +130,7 @@ PHP 8.5 UPGRADE NOTES | |||
| RFC: https://wiki.php.net/rfc/marking_return_value_as_important | |||
| . Added asymmetric visibility support for static properties. | |||
| RFC: https://wiki.php.net/rfc/static-aviz | |||
| . It is now possible to use casts in constant expressions. | |||
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Nit: "Added support for casts in constant expressions" for consistency?
mvorisek
reviewed
Apr 10, 2025
| case IS_OBJECT: | ||
| zend_cast_zval_to_object(result, &op1, IS_VAR); | ||
| break; | ||
| EMPTY_SWITCH_DEFAULT_CASE(); |
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what about the new (void) cast?
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Void casts are not allowed in expression context, only when their return value is not used. This never applies to constant expressions. This is also a different ast type (ZEND_AST_CAST_VOID), so it doesn't need to be handled here.
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