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Dokumen ini menggunakan Manual laman web PHP Cina Lepaskan
(PECL runkit >= 0.7.0)
runkit_constant_redefine — Redefine an already defined constant
$constname
, mixed $newvalue
)
constname
Constant to redefine. Either string indicating global constant, or classname::constname indicating class constant.
newvalue
New value to assign to constant.
成功时返回 TRUE
, 或者在失败时返回 FALSE
。