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runkit7_constant_remove

(PECL runkit7 >= Unknown)

runkit7_constant_remove Remove/Delete an already defined constant

説明

runkit7_constant_remove(string $constant_name): bool

パラメータ

constant_name

Name of the constant to remove. Either the name of a global constant, or classname::constname indicating a class constant.

戻り値

成功した場合に true を、失敗した場合に false を返します。

参考

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