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Radio buttons input error

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Hey fellas, I recently decided to start my personal database on monsters in a game and have a website with forms etc where I can enter new monsters.


Now I've made a start, but I'm getting a line 15 error when trying to execute the form without having an input button ticket.



The file including the form that's related to the error (newmonster.php):

            <td><input type="radio" name="attribute" value="dark" />Dark
            <input type="radio" name="attribute" value="earth" />Earth
            <input type="radio" name="attribute" value="fire" />Fire
            <input type="radio" name="attribute" value="light" />Light
            <input type="radio" name="attribute" value="water" />Water
            <input type="radio" name="attribute" value="wind" />Wind</td>

And this is the part of the file it's submitting the form to:


Line 15 is the line between $type and $attack. The one with $attribute declaration.

function invoer_schoonmaken($tekst)
                $tekst = strip_tags($tekst);
                $tekst = htmlspecialchars($tekst);
                return $tekst;
            $naam = invoer_schoonmaken($_POST["naam"]);
            $type = invoer_schoonmaken($_POST["type"]);
            $attribute = invoer_schoonmaken($_POST["attribute"]);
            $attack = invoer_schoonmaken($_POST["attack"]);
            $defense = invoer_schoonmaken($_POST["defense"]);
            $stars = invoer_schoonmaken($_POST["stars"]);
            $description = invoer_schoonmaken($_POST["description"]);
            $booster = invoer_schoonmaken($_POST["booster"]);

The error is gives:




So basically, what have I done wrong with the coding here?

I'm not skilled in php in any way so I'm just trying to brush it up a bit with some MySQL later, so any constructive help would be greatly appreciated.

Edited by GreenSpark
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Thanks, I tried both but it doesn't seem to have a better result.

The other options in the form I used <option> method and that doesn't seem to bug, maybe i'll use that instead.

Still this should also be possible I guess, so please do assist if you think you have the solution :)

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  • Solution

Cheers, that did the trick!

New code:



$type = invoer_schoonmaken($_POST["type"]);
            if (!isset($_POST['attribute']))
                $error_msg.="<li >Geen attribute gekozen.</li>";
            $attribute = invoer_schoonmaken($_POST['attribute']);
$attack = invoer_schoonmaken($_POST["attack"]);
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