How to send a link in mail using PHP

Question

I am trying to send a link in the mail using PHP but i am not able to format it properly :

$message=".<a href=."http://abc.com/viewprofile.php?userid=".$user_id.">"Click here to view user profile"</a>";

Answer 1

Escape the quotes around href :

$message = "<a href=\"example.com\">Link</a>";