Basic currency conversion

Convert 1 dollar to pounds using Yahoos conversion

<?php
$convert = file('http://quote.yahoo.com/m5?a=1&t=GBP&s=USD');
$convert = join("",$convert);
$convert = ereg_replace(".*<table border=1 cellpadding=2 cellspacing=0>",'',$convert);
$convert = ereg_replace("</table>.*",'',$convert);
$convert = ereg_replace("</b>.*",'',$convert);
$convert = ereg_replace(".*<b>",'',$convert);
echo "1 US Dollar = $convert British Pounds";
?>