Fungi PHP Konversi Mata Uang

Berikut ini adalah fungsi PHP untuk mengkonversi nilai mata uang

public function convertCurrency($value, $from, $to) {	
	$converter = 'From=' . $from . '&To=' . $to;
			
	$url = 'http://www.xe.com/currencyconverter/convert/?Amount=' . $value . '&' . $converter;
	$curl = curl_init();
	curl_setopt($curl, CURLOPT_URL, $url);
	curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
	curl_setopt($curl, CURLOPT_HEADER, false);
	curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 30);
	curl_setopt($curl, CURLOPT_TIMEOUT, 30);
	$content = curl_exec($curl);
	curl_close($curl);

	preg_match("/<span class='uccResultAmount'>(.*?)<\/span>/", $content, $matches);
	return = preg_replace("/[^0-9.]/", "", $matches[1]);
}