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- <?php
- function calculation()
- {
- if(isset($_GET['submit']))
- {
- $value1 = (INT)$_GET['number1'];
- $value2 = (INT)$_GET['number2'];
- $operator = $_GET['operator'];
- $result = 'no data';
- if ($operator=="sum")
- {
- $result=$value1+$value2;
- }
- elseif ($operator=="sub")
- {
- $result=$value1-$value2;
- }
- elseif ($operator=="mul")
- {
- $result=$value1*$value2;
- }
- elseif($operator=="div")
- {
- $result = $value1/$value2;
- }
- if($value1=='' OR $value2=='')
- { return "Please enter data"; }
- return $result;
- }
- return "not data";
- }
- ?>
- <html>
- <head>
- <h1 style="font-size: 90;text-align: center;color:#b254b9"><i>A Normal Calculator</i><h1>
- </head>
- <body style="background-image:url('job.jpg') ">
- <form action="" method="get">
- <table style="background-color: #ffc433; margin: 0 450px; 0 0">
- <tr>
- <td style="font-size: 19"><li style="color: white">Enter your number:</li></td>
- <td><input type="number" name="number1" placeholder="Enter your number"></td>
- <br/>
- </tr>
- <tr>
- <td style="font-size: 19"><li style="color: white">Enter your number:</li></td>
- <td><input type="number" name="number2" placeholder="Enter your numbers"></td>
- </tr>
- </table>
- <table style="background-color: #ea64e8; margin:0 660px; 0; 0">
- <tr>
- <td>
- <select name="operator">
- <option value="sum">+</option>
- <option value="sub">-</option>
- <option value="mul">*</option>
- <option value="div">/</option>
- </select>
- </td>
- <td>
- <input type="submit" name='submit' value="calculation">
- </td>
- </tr>
- </table>
- <div style="margin:0 635px; 0 0">
- <input type="text" value= "<?php echo calculation(); ?>" placeholder="result">
- </div>
- </form>
- </body>
- </htmal>
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