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Nov 22nd, 2016
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PHP 1.32 KB | None | 0 0
  1. <?php
  2. //defaulkan edit text agar kosong ketika di play
  3. $bil1="";
  4. $bil2="";
  5. $hasil="";
  6. $proses="";
  7.  
  8. if(isset($_POST["Hitung"])){
  9.     $bil1=$_POST["bil1"];
  10.     $bil2=$_POST["bil2"];
  11.     $proses=$_POST["proses"];
  12.     if($proses=="tambah"){$hasil=$bil1+$bil2;}
  13.     else if($proses=="kurang"){$hasil=$bil1-$bil2;}
  14.     else if($proses=="kali"){$hasil=$bil1*$bil2;}
  15.     else if($proses=="bagi"){$hasil=$bil1/$bil2;}
  16.     }
  17. ?>
  18.  
  19. <?php
  20. //gunakan fungsi Echo pada setiap text field nya agar ketika di proses keluar hasil yng di prosesnya
  21. ?>
  22. <input type="text" name="bil2" id="bil2"  value="<?php echo $bil2;?>">
  23.  
  24. <input type="text" name="bil1" id="bil1"  value="<?php echo $bil1;?>">
  25.  
  26. <input type="text" name="hasil" id="hasil"  value="<?php echo $hasil;?>">
  27.  
  28. <?php
  29. // di bagian combobox nya beri fungsi selected agar ketika di proses tidak bergati prosesnya
  30. ?>
  31.  <select name="proses" id="proses">
  32.           <option value="----pilih----">----pilih----</option>
  33.           <option value="tambah" <?php if($proses=="tambah"){echo"selected";}?>>Tambah</option>
  34.           <option value="kurang" <?php if($proses=="kurang"){echo"selected";}?>>Kurang</option>
  35.           <option value="kali" <?php if($proses=="kali"){echo"selected";}?>>Kali</option>
  36.           <option value="bagi" <?php if($proses=="bagi"){echo"selected";}?>>Bagi</option>
  37.   </select>
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