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Yahoo! Weather API Example Using SimpleXML in PHP
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| <?php | |
| if(isset($_POST['zipcode']) && is_numeric($_POST['zipcode'])){ | |
| $zipcode = $_POST['zipcode']; | |
| }else{ | |
| $zipcode = '50644'; | |
| } | |
| $result = file_get_contents('http://weather.yahooapis.com/forecastrss?p=' . $zipcode . '&u=f'); | |
| $xml = simplexml_load_string($result); | |
| //echo htmlspecialchars($result, ENT_QUOTES, 'UTF-8'); | |
| $xml->registerXPathNamespace('yweather', 'http://xml.weather.yahoo.com/ns/rss/1.0'); | |
| $location = $xml->channel->xpath('yweather:location'); | |
| if(!empty($location)){ | |
| foreach($xml->channel->item as $item){ | |
| $current = $item->xpath('yweather:condition'); | |
| $forecast = $item->xpath('yweather:forecast'); | |
| $current = $current[0]; | |
| $output = <<<END | |
| <h1 style="margin-bottom: 0">Weather for {$location[0]['city']}, {$location[0]['region']}</h1> | |
| <small>{$current['date']}</small> | |
| <h2>Current Conditions</h2> | |
| <p> | |
| <span style="font-size:72px; font-weight:bold;">{$current['temp']}°F</span> | |
| <br/> | |
| <img src="http://l.yimg.com/a/i/us/we/52/{$current['code']}.gif" style="vertical-align: middle;"/> | |
| {$current['text']} | |
| </p> | |
| <h2>Forecast</h2> | |
| {$forecast[0]['day']} - {$forecast[0]['text']}. High: {$forecast[0]['high']} Low: {$forecast[0]['low']} | |
| <br/> | |
| {$forecast[1]['day']} - {$forecast[1]['text']}. High: {$forecast[1]['high']} Low: {$forecast[1]['low']} | |
| </p> | |
| END; | |
| } | |
| }else{ | |
| $output = '<h1>No results found, please try a different zip code.</h1>'; | |
| } | |
| ?> | |
| <html> | |
| <head> | |
| <title>Weather</title> | |
| <style> | |
| body { | |
| font-family: Arial, Helvetica, sans-serif; | |
| font-size: 12px; | |
| } | |
| label { | |
| font-weight: bold; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <form method="POST" action=""> | |
| <label>Zip Code:</label> <input type="text" name="zipcode" size="8" value="" /><br /><input type="submit" name="submit" value="Lookup Weather" /> | |
| </form> | |
| <hr /> | |
| <?php echo $output; ?> | |
| </body> | |
| </html> |
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