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bfnuke
Hangin' Around


Joined: Feb 01, 2006
Posts: 43

PostPosted: Mon Feb 06, 2006 9:16 am Reply with quote

Was looking through the code in Your_Account/index.php and came across this:

Code:


    if ($username != '') // SecurityReason.com Fix 2005 [sp3x]
    if((isset($cookie[1])) AND (strtolower($username) == strtolower($cookie[1])) AND ($userinfo['user_password'] == $cookie[2])) {
   echo "<font class=\"option\">".htmlentities($username).", "._WELCOMETO." $sitename!</font><br><br>";
   echo "<font class=\"content\">"._THISISYOURPAGE."</font></center><br><br>";
   /* Nav bar */
   nav(1);
   echo "<br><br>";
    } else {
   echo "<font class=\"title\">"._PERSONALINFO.": ".htmlentities($username)."</font></center><br><br>";
    }
   else Header("Location: modules.php?name=$module_name");


Notice specifically these 2 lines

Code:


    if ($username != '') // SecurityReason.com Fix 2005 [sp3x]
....
....
   else Header("Location: modules.php?name=$module_name");


Now maybe it is because I don't quite have a full handle on all the PHP tricks, but where are the { } for the if part? Or is the "if/else" clause considered a "single" line?

This is confusing the heck out of my editor that automatically finds the matching parts Wink
 
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Raven
Site Admin/Owner


Joined: Aug 27, 2002
Posts: 17086

PostPosted: Mon Feb 06, 2006 9:51 am Reply with quote

Laughing - it is a short-hand way of writing but it does get confusing with if/then/else logic. I don't write like that, but some do. They are sub-seting if's. Maybe this will help? Try changing the values of $x and $y to see the logic flow.

Code:
<?

$x=1;
$y=2;

if ($x==1)
    if ($y==2)
        echo "x is equal to 1 and y is equal to 2";
    else echo "x is equal to 1 but y is NOT equal to 2";
else echo "Neither x nor y are satisfied";
?>


It is best used when you only have if/then clauses, as in
Code:
<?

if ($x==1)
  if ($y==2)
    if ($z==3)
      echo "All if's are satisfied and I don't care if any parts aren't!";
?>
 
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