Unknown error Opcje

[Lethys]

Co prawda skrypt chodzi dobrze ale wyskakuje blad :

Warning: Unknown(): Your script possibly relies on a session side-effect which existed until php 4.2.3. Please be advised that the session extension does not consider global variables as a source of data, unless register_globals is enabled. You can disable this functionality and this warning by setting session.bug_compat_42 or session.bug_compat_warn to off, respectively. in Unknown on line 0

A oto kod :

[PHP] pobierz, plaintext 
<?php
case 3:$file="login.php";
				 if(isset($username))
				 {
								   $sql="select password,active,subscribed from members where username='$username'";
								$result=mysql_query($sql);
								while($row=mysql_fetch_array($result))
								{
									$dbpass=$row[0];
									$active=$row[1];
									$subscribed=$row[2];
								}
								if($dbpass==$password)
								{
								   if($active==2)
								   {
									   $error="wu";
									$file="login.php";
								   }
								   else if($active==0) 
								   {
									   $file="validcode.php";
								   }
								   else
								   {
										session_start();
										$ses_username=$username;
										if($subscribed=="")$subscribed="N";
										session_register("ses_username");
										session_register("subscribed");
										if(empty($repusername)&&empty($rphid))
										{
										$username="";
										$file="myphotos.php";
										}
										else if(!empty($repusername))
										{
											$username=$repusername;
											$file="sendmessage.php";
										}
										else if(!empty($rphid))
										{
											$phid=$rphid;
											$file="postcomment.php";
										}
									}
								}
								else
								{
									$error="wu";
									$file="login.php";
								}
				 }				 
				break;
?>
[PHP] pobierz, plaintext 

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