Help to add dropdownlist to weather script

Kimaos · March 27, 2012

Hello,

I need help for displaying weather on my blog, I'm not good in php coding

I have a yahoo php script that displays weather forecast for only one city

I would like to add a dropdownlist to display weather depending on the selected city

the problem is that I do not know how to replace « $zip = "FRXX0055"; » by dropdownlist selected value

I do not know if it is feasible, because city selection must communicate with « weather.class.php » and get weather without reloading the page

initial code :

<?php
include('weather.class.php');
$zip = "FRXX0055";
define('DEFAULT_UNITS', "c");
define('IMAGES', 'icons/sm/');
if($zip != '')
{
        if (isset($_GET['units'])) {$s_unit_of_measure = strtolower($_GET['units']);}
        else {$s_unit_of_measure = DEFAULT_UNITS;}
        $weather = new Weather();
        $weather = $weather->getWeather($zip, $s_unit_of_measure);
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Test List Php</title>
</head>
<body>
<table>
<tr>
<td colspan="3">Lyon</td>
</tr>
<tr>
<td><span><?php echo strtoupper($weather['forecast'][0]['when']) ?></span><br />
	<span>Max: <strong><?php echo $weather['forecast'][0]['high'] ?></strong></span><br />
	<span>Min: <strong><?php echo $weather['forecast'][0]['low'] ?></strong></span><br />
	<img src="<?php echo $weather['forecast'][0]['image'] ?>" alt="Weather Widget" /></td>
<td><span><?php echo strtoupper($weather['forecast'][1]['when']) ?></span><br />
	<span>Max: <strong><?php echo $weather['forecast'][1]['high'] ?></strong></span><br />
	<span>Min: <strong><?php echo $weather['forecast'][1]['low'] ?></strong></span><br />
	<img src="<?php echo $weather['forecast'][1]['image'] ?>" alt="Weather Widget" /></td>
<td><span><?php echo strtoupper($weather['forecast'][2]['when']) ?></span><br />
	<span>Max: <strong><?php echo $weather['forecast'][2]['high'] ?></strong></span><br />
	<span>Min: <strong><?php echo $weather['forecast'][2]['low'] ?></strong></span><br />
	<img src="<?php echo $weather['forecast'][2]['image'] ?>" alt="Weather Widget" /></td>
</tr>
</table>
</body>
</html>

new code :

<?php
include('weather.class.php');
$zip = "FRXX0055";
define('DEFAULT_UNITS', "c");
define('IMAGES', 'icons/sm/');
if($zip != '')
{
        if (isset($_GET['units'])) {$s_unit_of_measure = strtolower($_GET['units']);}
        else {$s_unit_of_measure = DEFAULT_UNITS;}
        $weather = new Weather();
        $weather = $weather->getWeather($zip, $s_unit_of_measure);
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Test List Php</title>
</head>
<body>
<table>
<tr>
<td colspan="3">
	<select id ="city" onchange="ShowItem()">
	<option value="FRXX0055">Lyon</option>
	<option selected value="FRXX0076">Paris</option>
	<option value="FRXX0059">Marseille</option>
	<option value="FRXX0095">Strasbourg</option>
	</select>
</td>
</tr>
<tr>
<td><span><?php echo strtoupper($weather['forecast'][0]['when']) ?></span><br />
	<span>Max: <strong><?php echo $weather['forecast'][0]['high'] ?></strong></span><br />
	<span>Min: <strong><?php echo $weather['forecast'][0]['low'] ?></strong></span><br />
	<img src="<?php echo $weather['forecast'][0]['image'] ?>" alt="Weather Widget" /></td>
<td><span><?php echo strtoupper($weather['forecast'][1]['when']) ?></span><br />
	<span>Max: <strong><?php echo $weather['forecast'][1]['high'] ?></strong></span><br />
	<span>Min: <strong><?php echo $weather['forecast'][1]['low'] ?></strong></span><br />
	<img src="<?php echo $weather['forecast'][1]['image'] ?>" alt="Weather Widget" /></td>
<td><span><?php echo strtoupper($weather['forecast'][2]['when']) ?></span><br />
	<span>Max: <strong><?php echo $weather['forecast'][2]['high'] ?></strong></span><br />
	<span>Min: <strong><?php echo $weather['forecast'][2]['low'] ?></strong></span><br />
	<img src="<?php echo $weather['forecast'][2]['image'] ?>" alt="Weather Widget" /></td>
</tr>
</table>
</body>
</html>

Thank you for help,

cpd · March 27, 2012

I do not know if it is feasible, because city selection must communicate with « weather.class.php » and get weather without

You can't use just PHP to update information on a page. You need to use JavaScript, more specifically XMLHttpRequest; this is all summed up with the term AJAX.

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