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    key_exists

    (PHP 4 >= 4.0.6, PHP 5, PHP 7, PHP 8)

    key_exists — Alias of array_key_exists()

    Description

    This function is an alias of: array_key_exists().

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    User Contributed Notes 2 notes

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    Anonymous
    8 years ago
    The key_exists() function has never been deprecated
    https://bugs.php.net/bug.php?id=71174
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    Anonymous
    10 years ago
    Deprecated alias, don't use it. Will get removed sooner or later.
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