Parse error: syntax error, unexpected '['

[vivekphp]

<?php
$auth = 0;
if(isset($_SERVER['PHP_AUTH_USER']))
{

  $uname = $_SERVER['PHP_AUTH_USER'];
  $pwd = $_SERVER['PHP_AUTH_PW'];

   $fp = fopen("user.txt","r");
   while($line = fgets($fp))
   {
     $arr = explode(":",$line);
     $un =trim(arr[0]);
     $pw =trim(arr[1]);

     if($un == $uname and $pw = $pwd)
     {

       auth=1;
	break;
     }

   }
  
 }

 if($auth == 0)
 header("www-authenticate:Basic realm = \"private area\"");

  else
   header("location:welcome.php");
?>

i am getting this error
Parse error: syntax error, unexpected '[' in C:\xampp\htdocs \auth.php on line 13

[Rabbit]

On line 13 and 14, you probably meant to use the variable $arr rather than arr.

[solutionwand]

Hi,
In line 13 and 14.
Relace
$un =trim(arr[0]);
$pw =trim(arr[1]);

with

$un =trim($arr[0]);
     $pw =trim($arr[1]);