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Mar 27th, 2017
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PHP 0.72 KB | None | 0 0
  1. <html>
  2. <body>
  3. Fl&auml;chenhinhalt oder Kreisumfang berechnen<br><br>
  4.  
  5. <form action="<?php echo $_SERVER['PHP_SELF']?>" method="GET">
  6. <input type="text" name="radius"> Radius<br><br>
  7. <input type="radio" name="berechnung" value="u" size="10" checked> Umfang <br>
  8. <input type="radio" name="berechnung" value="i" size="10"> Fl&auml;cheninhalt
  9. <input type="submit" name="submit" value="Berechnen">
  10.  
  11. </form>
  12.  
  13. <?php
  14. if(isset($_GET['test']))
  15. {
  16.   $umfang=2 * pi() * $_GET['radius'];
  17.   $flaecheninhalt = pi() * $_GET['radius'] ^ 2;
  18. }
  19. if($_GET['berechnung']=="u")
  20. {
  21.   echo"Der Umfang betr&auml;gt: $_GET['umfang'];"
  22. }
  23. else
  24. {
  25.   echo"Der Fl&auml;cheninhalt betr&auml;gt: $_GET['flaecheninhalt];"
  26. }
  27.  
  28.  
  29.  
  30. ?>
  31.  
  32. </body>
  33. </html>
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