[PHP] url by mail

[vlad georgescu]

how can i send a webpage by mail ?
i'v tryed something like that
 $fd = fopen ($url, "r");
$contents = fread($fd, 102400);
print $contents;
fclose ($fd);
 mail($adr,$url,$contents);
 
 but the message is blank .... :(

what's the problem ?