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function exchangeRate( $amount, $currency, $exchangeIn )
$googleQuery = $amount . ' ' . $currency . 'in '. $exchangeIn;
$googleQuery = urlEncode( $googleQuery );
$ch = curl_init();
$timeout = 5; // set to zero for no timeout
curl_setopt ($ch, CURLOPT_URL, 'http://www.google.com/search?q=' . $googleQuery);
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
$file_contents = curl_exec($ch);
$file_contents = strip_tags( $file_contents );
$matches = array();
preg_match( '/= (([0-9]|\.|,|\ )*)/', $file_contents, $matches );
return $matches ? $matches : false;
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