Parsing string into XMLReader in PHP5

Problem: How to parse string result into XML parser in PHP5
Solution: Use one of several PHP5 extensions such as XMLReader

$reader = new XMLReader();
$reader->XML($resultInString);

Below is the sample code that calls PTT Web Services and extracting only the price of GASOHOL

<?php

$wsdl = 'http://www.pttplc.com/pttinfo.asmx?WSDL';

$client = new SoapClient($wsdl);
//array('proxy_host' => "202.12.97.116",
//'proxy_port' => 8088));


$methodName = 'CurrentOilPrice';

$params = array('Language'=>'EN');

$soapAction = 'http://www.pttplc.com/ptt_webservice/CurrentOilPrice';

$objectResult = $client->__soapCall($methodName,
array('parameters' => $params), array('soapaction' => $soapAction));


// echo $objectResult->CurrentOilPriceResult;
$result = $objectResult->CurrentOilPriceResult;
$reader = new XMLReader();
$reader->XML($result);
$found = false;
while ($reader->read()) {
$tagName = $reader->name;
$reader->read();
$tagValue = $reader->value;
if ($tagName == "PRODUCT" &&
$tagValue == "GASOHOL") {
$found = true;
}
if ($found == true && $tagName == "PRICE") {
$price = $reader->value;
break;
}
}
echo "GASOHOL price is $price";
$reader->close();
?>


Then, you should get the result as shown in the below picture.

Calling Web Services using PHP5

Problem: how to call .NET Web services operation with multiple parameters using PHP5.

Solution:
Below is the sample code to call .NET Web service using PHP5

Note that you need to enable soap client first by uncommenting or adding the below line in file php.ini
extension=php_soap.dll

// file GlobalWeather.php

<?php

// specify WSDL Web service that we want to call
$wsdl = 'http://webservicex.com/globalweather.asmx?WSDL';

// create SoapClient object
$client = new SoapClient($wsdl);

// in case if we call from KKU network which needs to go through KKU proxy
//,array('proxy_host' => "202.12.97.116",'proxy_port' => 8088));

// initialize method name
$methodName = 'GetWeather';

// initialize method parameters
$params = array('CityName'=>'Khon Kaen','CountryName'=>'Thailand');

// initialize soapAction
$soapAction = 'http://www.webserviceX.NET/GetWeather';

// calling WS operation using soapCall
$objectResult = $client->__soapCall($methodName, array('parameters'=> $params), array('soapaction' => $soapAction));

// save the response
$response = $objectResult->GetWeatherResult;

// display response
echo $response;

?>


This is the result from using file GlobalWeather.php