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    runkit7_constant_remove

    (PECL runkit7 >= Unknown)

    runkit7_constant_remove — Remove/Delete an already defined constant

    Description

    runkit7_constant_remove(string $constant_name): bool

    Parameters

    constant_name

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

    Return Values

    Returns true on success or false on failure.

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