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String could not be parsed as XML


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I did post a question earlier but have now perhaps narrowed the problem and am still having trouble! I'm still learning PHP by working on a personal project. I'm having an issue accessing an xml file. If I use the following code I get a 'String could not be parsed as XML' error yet if I remove the $postcode variable when defining the $requestaddress variable and extend the url manually it works!



$postcode = $geodata['postcode'];   

$requestAddress = "http://www.google.com/ig/api?weather=,,," . $postcode;
$xml_str = file_get_contents($requestAddress,0);
$xml = new SimplexmlElement($xml_str);



Any suggestions greatly appreciated.

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Ooooh. I have just tried this code instead:


$postcode = $geodata['town_city'];	

$requestAddress = "http://www.google.com/ig/api?weather=,,," . $postcode;
$xml_str = file_get_contents($requestAddress,0);
$xml = new SimplexmlElement($xml_str);


And it works! (note the data being retrieved is now the town/city).


Although this is great, it is not as accurate as the postcode/zipcode. I suspect this may be because of the space in the postcode? Is there a way to remove the space before declaring?




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$q = urlencode("hollywood cal");
$data = @file_get_contents("http://www.google.com/ig/api?weather={$q}");
        $n_data = @new SimpleXmlElement($data, LIBXML_NOCDATA);
                        $show_img2 = "http://www.google.com{$n_data->weather->current_conditions->icon->attributes()->data}";
                $show .= "<div style='float:left;padding:10px;border-right:1px solid grey;width:180px'>
		<h3>{$n_data->weather->forecast_information->city->attributes()->data} weather</h3><br>

		<div style='float:left;padding:10px;'>
		<img title='{$n_data->weather->current_conditions->condition->attributes()->data}' src='{$show_img2}'><br>
		{$n_data->weather->current_conditions->temp_f->attributes()->data} F | {$n_data->weather->current_conditions->temp_c->attributes()->data} C<br>

		$show = '';
        foreach ($n_data->weather->forecast_conditions as $md) {
	        $show_img = "http://www.google.com{$md->icon->attributes()->data}";
              	$show .= "<div style='float:left;padding:10px'>{$md->day_of_week->attributes()->data}<br>
		           <img title='{$md->condition->attributes()->data}' src='{$show_img}'><br>
		           <span title='Low' style='color:grey;'>{$md->low->attributes()->data}</span> <span title='High'>{$md->high->attributes()->data}</span>
		}//end foreach	

		echo "<div style='padding:10px;min-height:100px'>{$show}</div>";
	}//end if array

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