runkit7_constant_redefine

(PECL runkit7 >= Unknown)

runkit7_constant_redefine — Redefine an already defined constant

runkit7_constant_redefine(string $constant_name, mixed $value, int $new_visibility = ?): bool

constant_name: Constant to redefine. Either the name of a global constant, or classname::constname indicating class constant.
value: Value to assign to the constant.
new_visibility: The new visibility of the constant, for class constants. Unchanged by default. One of the RUNKIT7_ACC_* constants.

Başarı durumunda true, başarısızlık durumunda false döner.

runkit7_constant_add() - Similar to define(), but allows defining in class definitions as well
runkit7_constant_remove() - Remove/Delete an already defined constant

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