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    $_COOKIE

    (PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8)

    $_COOKIE — HTTP Cookies

    Description

    An associative array of variables passed to the current script via HTTP Cookies.

    Examples

    Example #1 $_COOKIE example

    <?php
    echo 'Hello ' . htmlspecialchars($_COOKIE["name"]) . '!';
    ?>

    Assuming the "name" cookie has been set earlier

    The above example will output something similar to:

    Hello Hannes!

    Notes

    Note:

    This is a 'superglobal', or automatic global, variable. This simply means that it is available in all scopes throughout a script. There is no need to do global $variable; to access it within functions or methods.

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    User Contributed Notes 3 notes

    up
    72
    kiril (at) atern (dot) us
    7 years ago
    To clarify the previously posted note:

    Dots (.) and spaces ( ) in cookie names are being replaced with underscores (_).
    up
    67
    k dot andris at gmail dot com
    8 years ago
    beware, dots (.) in cookie names are replaces by underscores (_)
    up
    5
    alexander-schranz at NO_SPAM dot hotmail dot com
    6 years ago
    Cookies with the same name the first cookie is used. Clients will send cookies with longer path before cookies with shorter path. This comes from RFC 6265 which says "Cookies with longer paths are listed before cookies with shorter paths.". So you get the best matching cookie for your current request.
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