> On Aug 12, 2020, at 10:21 PM, Ashley Sheridan <ash@xxxxxxxxxxxxxxxxxxxx> wrote:
>
>
>
> 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 $_COOKIE, but that global array will always be there (unless you're using PHP CLI), so the check is redundant.
> Thanks,
> Ash
It would be better to do:
if( isset($_COOKIE['val']) )
{
print $_COOKIE['val'];
}
Because $_COOKIE['val'] is what you are setting to begin with.
JK
