Re: Calculator beginner issue

在 2016/5/9 2:22, Erwin Noever 写道:

Hello guys, I am sorry to disturb you. I followed a tutorial and i am a newbe to php but want to learn. My calculator doesn't work, i dont see what is wrong. Please can someone explain what the issue is or give me a hint. Thank you in advance. Html Code: <form method="post" action="calc.php">

     <input type="text" name="nummer1" placeholder="nummer1" />
     <label for="kies">kies</label>
     <select name="reken" id="kies">
         <option>selecteer</option>
         <option value ="plus">+</option>
         <option value ="min">-</option>
         <option value ="delen">÷</option>
         <option value ="maal">x</option>
     </select>
     <input type="number" name="nummer2" placeholder="nummer2" />
     <input type="submit" value="calculeer" />

</form> php code: function bereken () {

     $nummer1 = $_POST['nummer1'];
     $nummer2 = $_POST['nummer2'];

     switch ($_POST['reken'])
     {
         case "plus":
             $plus = $nummer1 + $nummer2;
             return $plus;
         break;

         case "min":
             $min = $nummer1 - $nummer2;
             return $min;
             break;

         case "delen":
             $deel = $nummer1 / $nummer2;
             return $deel;
             break;

         case "maal":
             $maal = $nummer1 * $nummer2;
             return $maal;
             break;
         default:
             echo "bereken op een andere maniet";
     }

}

     echo "het resultaat is :". bereken();

?> <br> <a href="index.html">terug</a>

this code works very good in my pc, and I did a little modification : https://daimaduan.com/paste/9a844ec6a68