php替换的问题。一个小问题。求助

Question

本帖最后由 xiangdeweiwangfengg 于 2009-10-25 10:59:34 编辑

Answer 1

$str = "<img src='attachments/month_0910/s2009102391151.gif' border='0' alt=''/>";
echo preg_replace("/(src=')/","$1http:\/\/www.ccav.com\/",$str);

Answer 2

$str = "<img src=\"attachments/month_0910/s2009102391151.gif\" border=\"0\" alt=\"\"/>";
echo preg_replace("/(src=\")/","$1http:\/\/www.ccav.com\/",$str);

Answer 3

$str = "<img src=\"attachments/month_0910/s2009102391151.gif\" border=\"0\" alt=\"\"/>";
echo preg_replace("/(src=\")/","$1http:\/\/www.ccav.com\/",$str);