Turkish Lira Official Exchange Rate

turkey_exchange_rate.php

<?php
/**
 * Turkish Lira Official Exchange Rate
 **/
function turkey_exchange_rate($_opt='', $_signs = 2)
{
	$res = null;
	$url = 'http://www.tcmb.gov.tr/kurlar/today.xml';
	$xml = @simplexml_load_file($url, 'SimpleXMLElement', LIBXML_NOCDATA);
	
	$_errors = libxml_get_errors();
	
	if(!count($_errors))
	{
		$_count = count($xml->Currency);
		$_currency = [];
		for($i=0;$i<$_count;$i++)
		{
			$_code = (string) $xml->Currency[$i]->attributes()->CurrencyCode;
			$_price = (string) $xml->Currency[$i]->BanknoteBuying;
			$_currency[ $_code ] = $_price;
		}
		
		if(isset($_currency[$_opt]))
		{
			$res = number_format($_currency[$_opt], (int)$_signs, '.', '');
		}
	}

	return $res;
}

echo turkey_exchange_rate('USD', 3);
echo turkey_exchange_rate('EUR');