(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.
valueValue 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.
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https://www.php.net/manual/en/function.runkit7-constant-redefine.php