Simple Switch Statement help

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Simple Switch Statement help

I am learning php, and i am having problem with a switch statement tutorial,


I am getting this error:

Code:
Notice: Undefined variable: day in /opt/lampp/htdocs/test/zzz.php on line 34

This is my code:

Code:
<!DOCTYPE html>
<html>
<head>
<title>Excercies</title>
</head>
<body>
       
       
       

<form action = "zzz.php" method = "POST" >
Please enter a day of the week:<br /><br />
       
        <input type = "text" name = "day" >
        <input type = "submit" name = "submitbutton">
               
</form>


       
       
               
<?php
       

       
        if(!isset($_POST['submitbutton'])){       
        }
        else {
        $day = $_POST['day'];
        }
       
        switch ($day){
        case "monday":
        echo "Laugh on Monday, laugh for danger. ";
        break;
       
        case "tuesday":
        echo "Laugh on Tuesday, kiss a stranger.";
        break;
       
        case "wedensday":
        echo "Laugh on Tuesday, kiss a stranger.";
        break;
               
        case "thursday":
    echo "Laugh on Wednesday, laugh for a letter.";
    break;
               
        case "friday":
    echo "Laugh on Thursday, something better.";
        break;
       
        case "saturday":
        echo "Laugh on Friday, laugh for sorrow.";
        break;
               
        case "sunday":
        echo "Laugh on Saturday, joy tomorrow.";
        break;
               
        default:
        echo "No information for that day.";
               
        }


?>


</body>
</html>

does anyone know why i am getting this problem and how can i fix it??


thanks!
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