Question

In: Computer Science

Develop a routine to convert Celcius to Fahrenheit. Have a form pass the values and a...

Develop a routine to convert Celcius to Fahrenheit. Have a form pass the values and a parm indicating what time of conversion is taking place. Use a function (if possible). Return the correct value.

Here is the formula: C = (F - 32) * 5/9

hw8.html

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Untitled Document</title></head>

<body>
<p>Convert Temp</p>
<form id="form1" name="form1" method="get" action="hw8.php">
  <table width="300" border="1">
    <tr>
      <td width="122">Enter Temp </td>
      <td width="168"><label>
        <input name="temp" type="text" id="temp" size="6" maxlength="8" />
      </label></td>
    </tr>
    <tr>
      <td>Convert to &gt;&gt;&gt; </td>
      <td><p>
        <label></label>
        <label>
        <input name="type" type="radio" value="f" checked="checked" />
Fahrenheit</label>
        <br />
        <label>
        <input type="radio" name="type" value="c" />
Celcius</label>
        <br />
        <br />
      </p></td>
    </tr>
    <tr>
      <td>&nbsp;</td>
      <td><label>
        <input type="submit" name="Submit" value="Submit" />
      </label></td>
    </tr>
  </table>
</form>
<p><a href="index.htm">return</a></p>
</body>
</html>

hw8.php

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Untitled Document</title>
</head>

<body>
<p>Temperature Conversion</p>
<p>
  You converted  Fahrenheit to 32 Celcius<br></p>
<p><a href="hw8.html">return</a></p>
</body>
</html>

Expert Solution

Hi,

I have done this script as Temperature Conversion Calculator.this convert Celsius to Fahrenheit and vise versa.

Below is script:

HTML form:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Untitled Document</title></head>

<body>
<p>Convert Temp</p>
<form id="form1" name="form1" method="POST" action="hw8.php">
  <table width="300" border="1">
    <tr>
      <td width="122">Enter Temp </td>
      <td width="168"><label>
        <input name="temp" type="text" id="temp" size="6" maxlength="8" />
      </label></td>
    </tr>
    <tr>
      <td>Convert to &gt;&gt;&gt; </td>
      <td><p>
        <label></label>
        <label>
        <input name="type" type="radio" value="f" checked="checked" />
Fahrenheit</label>
        <br />
        <label>
        <input type="radio" name="type" value="c" />
Celcius</label>
        <br />
        <br />
      </p></td>
    </tr>
    <tr>
      <td>&nbsp;</td>
      <td><label>
        <input type="submit" name="Submit" value="Submit" />
      </label></td>
    </tr>
  </table>
</form>
<p><a href="index.html">return</a></p>
</body>
</html>

PHP Script:

<?php
if ($_SERVER['REQUEST_METHOD'] == 'POST'){
    $temp  = $_POST["temp"]; 
        $type = $_POST["type"];
    $fr = 0;
        if($type=="c"){
       $fr = ($temp - 32)/1.8;
        }
        else{
                echo 
       $fr = ($temp*1.8)+32;
        }
          
   
}
?>




<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Temperature Convertor</title>
</head>

<body>
<p>Temperature Conversion</p>
<?php        if($type=="c"){
 ?>
<p>You converted  Fahrenheit to Celsius : <?php echo $fr ?><br></p>
<?php 
}
 else{
 ?>
  <p>You converted  Celsius to Fahrenheit : <?php echo $fr ?><br></p>

 <?php 
 }
 ?>
<p><a href="index.html">return</a></p>
</body>
</html>

Output screen:

1. Celsius to Fahrenheit :

2. Fahrenheit to Celsius

Thanks

venereology answered 8 months ago

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