I can still log in after session destroy

[jeff5656]

When I log out I do a session destroy.  But then when I go back to the page:

 

session_start();
if(!isset($_SESSION['myusername'])){
      $_SESSION['loc']='../patientlist/displayactive.php';	
  header("location: ../telephone/main_login.php");

}

 

It does not redirect to the header.  When I echo $_SESSION['myusername'] it is blank, so how come the header statement inside the if does not get activated?

[JonnoTheDev]

Exit after using header to redirect

header("Location:abc.php");
exit();