guest session

[conan318]

hi im trying to create a guest session

where if the session is set $myusername= session myusername works fine

but if not i want $myusername to be guest and echo welcome guest.

no errors but wont echo guests name

 

 

session_start();
if (isset($_SESSION['myusername'])) {
    $myusername=$_SESSION['myusername'];
}else{
$guest="guest";
$_SESSION['guest']=$guest;
 $myusername=$_SESSION['guest']; 


$data = mysql_query("SELECT * FROM users WHERE username='$myusername';") or die(mysql_error());


while($info = mysql_fetch_array( $data )) 

{
if (isset($_SESSION['myusername'])) {
  



  
     Echo "welcome " . $_SESSION['myusername']."<br>";
Echo "<img src='img/".$info['img'] ."' width='100' height='100''> <br>"; 

}
else {
 Echo "welcome " . $_SESSION['guest']."<br>";

}}
 }