uopz_undefine

    (PECL uopz 1, PECL uopz 2, PECL uopz 5, PECL uopz 6, PECL uopz 7)

    uopz_undefine — Undefine a constant

    Description

    uopz_undefine(string $constant): bool
    uopz_undefine(string $class, string $constant): bool

    Removes the constant at runtime

    Parameters

    class

    The name of the class containing constant

    constant

    The name of an existing constant

    Return Values

    Returns true on success or false on failure.

    Examples

    Example #1 uopz_undefine() example

    <?php
    define    ("MY", true);

    uopz_undefine("MY");

    var_dump(defined("MY"));
    ?>

    The above example will output:

    bool(false)

    Found A Problem?

    Learn How To Improve This Page • Submit a Pull Request • Report a Bug
    ＋add a note

    User Contributed Notes

    There are no user contributed notes for this page.
    To Top

    Follow Lee on X/Twitter - Father, Husband, Serial builder creating AI, crypto, games & web tools. We are friends :) AI Will Come To Life!

    Check out: eBank.nz (Art Generator) | Netwrck.com (AI Tools) | Text-Generator.io (AI API) | BitBank.nz (Crypto AI) | ReadingTime (Kids Reading) | RewordGame | BigMultiplayerChess | WebFiddle | How.nz | Helix AI Assistant