为什么结果是This is a link to http://www.wjigilmore.com/.?
<?php
$text = "This is a link to http://www.wjigilmore.com/.";
echo preg_replace("/http:\/\/(.*)\//","<a href = \"\${0}\">\${0}</a>",$text);
?>
不是应该是This is a link to
<a herf ="http:// www.wjigilmore.com/"> http://www.wjigilmore.com/<a/>.吗？
