Re: setting a cookie from a form value

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On August 10, 2020 9:58:04 PM UTC, Fernando Fiore <no5software@xxxxxxxxx> wrote:
><?php
>// this fails twice before working
>// first with undefined index 'txt' on line 5
>// then with undefined index 'val' on line 10 then it works
>$name = $_POST['txt'];
>setcookie("val",$name,time() + 24 * 60 * 60);
>
>if(isset($_COOKIE) && !empty($_COOKIE))
>{
>    $var = $_COOKIE['val'];
>    print('cookie = '. $var . '</br>');
>}
>else
>    echo ' cookie not set </br>';
>
>
>
>?>
><form action="cookie2.php" name="myform" method="post">
><input type="text" name="txt" id="txt" value="abcdef" />
><input type="submit" formmethod="post" />
></form>

It will, you're trying to access variables before they're set. You can use isset() to check those.

On that topic, you're using isset on $_COOKIE, but that global array will always be there (unless you're using PHP CLI), so the check is redundant. 
Thanks,
Ash




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