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a guest Nov 14th, 2017 58 Never
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  1. <!DOCTYPE html>
  2. <html>
  3. <head>
  4.     <?php
  5.     $_SESSION['num1']=$_POST['num1'];
  6.     $_SESSION['num2']=$_POST['num2'];
  7.     $_SESSION['Operator']=$_POST['Operator'];
  8.    
  9.    
  10.    $x= $_SESSION['num1'];
  11.    $y= $_SESSION['num2'];
  12.    $z= $_SESSION['Operator'];
  13.      ?>  
  14. </head>
  15. <body>
  16.  
  17.  
  18.     <?php echo $x; ?>
  19.    
  20.     <?php echo $y; ?>
  21.    
  22.     <?php if ($z = 'add')
  23.     $w = $x + $y;
  24.     else if ($z = 'subtract')
  25.     $w = $x - $y;
  26.     else if ($z = 'times')
  27.     $w = $x * $y;
  28.      else if ($z = 'divide')
  29.     $w = $x / $y;
  30.     else {
  31.     $w = 'undefined';}
  32.     echo $w;
  33.    
  34.     ?>
  35. </body>
  36. </html>
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