":=" is an operator to represent the assignment for example: foo := 3 is the same as foo = 3
// the point it use to push parameter in to array $_SESSION['whatever'].=$_GET['whatever'];
<p> "P" is for "Paragraph" </p> <ul> <li>"UL" is for "Unordered List"</li> <li>while "LI" is for "List I
