New errata corrections

robinsnest/friends.php

@@ -27,16 +27,20 @@
 
   $result = queryMysql("SELECT * FROM friends WHERE user='$view'");
 
+  $j = 0;
+  
   while ($row = $result->fetch())
   {
-    $followers[$j] = $row['friend'];
+    $followers[$j+] = $row['friend'];
   }
 
   $result = queryMysql("SELECT * FROM friends WHERE friend='$view'");
 
+  $j = 0;
+
   while ($row = $result->fetch())
   {
-    $following[$j] = $row['user'];
+    $following[$j++] = $row['user'];
   }
 
   $mutual    = array_intersect($followers, $following);

robinsnest/functions.php

@@ -46,16 +46,21 @@
   function sanitizeString($var)
   {
     global $pdo;
+
     $var = strip_tags($var);
     $var = htmlentities($var);
+
     if (get_magic_quotes_gpc())
       $var = stripslashes($var);
+
     $result = $pdo->quote($var);          // This adds single quotes
     return str_replace("'", "", $result); // So now remove them
   }
 
   function showProfile($user)
   {
+    global $pdo;
+
     if (file_exists("$user.jpg"))
       echo "<img src='$user.jpg' style='float:left;'>";
 

robinsnest/messages.php

@@ -55,6 +55,7 @@ _END;
     
     $query  = "SELECT * FROM messages WHERE recip='$view' ORDER BY time DESC";
     $result = queryMysql($query);
+    $num    = $result->rowCount();
 
     while ($row = $result->fetch())
     {