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- <?php
- //defaulkan edit text agar kosong ketika di play
- $bil1="";
- $bil2="";
- $hasil="";
- $proses="";
- if(isset($_POST["Hitung"])){
- $bil1=$_POST["bil1"];
- $bil2=$_POST["bil2"];
- $proses=$_POST["proses"];
- if($proses=="tambah"){$hasil=$bil1+$bil2;}
- else if($proses=="kurang"){$hasil=$bil1-$bil2;}
- else if($proses=="kali"){$hasil=$bil1*$bil2;}
- else if($proses=="bagi"){$hasil=$bil1/$bil2;}
- }
- ?>
- <?php
- //gunakan fungsi Echo pada setiap text field nya agar ketika di proses keluar hasil yng di prosesnya
- ?>
- <input type="text" name="bil2" id="bil2" value="<?php echo $bil2;?>">
- <input type="text" name="bil1" id="bil1" value="<?php echo $bil1;?>">
- <input type="text" name="hasil" id="hasil" value="<?php echo $hasil;?>">
- <?php
- // di bagian combobox nya beri fungsi selected agar ketika di proses tidak bergati prosesnya
- ?>
- <select name="proses" id="proses">
- <option value="----pilih----">----pilih----</option>
- <option value="tambah" <?php if($proses=="tambah"){echo"selected";}?>>Tambah</option>
- <option value="kurang" <?php if($proses=="kurang"){echo"selected";}?>>Kurang</option>
- <option value="kali" <?php if($proses=="kali"){echo"selected";}?>>Kali</option>
- <option value="bagi" <?php if($proses=="bagi"){echo"selected";}?>>Bagi</option>
- </select>
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