สอบถามเกี่ยวกับ if else if หน่อยครับไม่เข้าใจว่าทำไมไม่ตรงตามเงื่ยนไขมันยังทำงานอยู่อีก

<?php
include("../con.php");
include("../fu.php");
connectdb();
$time=time();
$a = rand(1, 6);
$b = rand(1, 6);
$c = rand(1, 6);
mysql_query("insert into numtao_lotto values('','$a','$b','$c','$time')");
   $result=mysql_fetch_array(mysql_query("select id,number_1,number_2,number_3 from numtao_lotto order by id DESC LIMIT 1"));
   $roww=$result[0];
        $sql = "SELECT * FROM numtao WHERE rid='$roww' ORDER BY timesent DESC LIMIT 150";
    $items = mysql_query($sql);
    echo mysql_error();
    if(mysql_num_rows($items)>0)
    {
	
    while ($item = mysql_fetch_array($items))
    {
$aa = $result[1];
$bb = $result[2];
$cc = $result[3];
	 if ($aa == $item[2] and $bb == $item[2]) {
  $gpl = $item[1];
  $ugpl = $item[1]*3;
  mysql_query("UPDATE users437 SET plusses=plusses+$ugpl WHERE uid='".$item[4]."'");
   mysql_query("UPDATE numtao SET give='$ugpl',public='1' WHERE rid='$roww' AND uid='$item[4]'");
}
 else if ($aa == $item[2] and $cc == $item[2]) {
  $gpl = $item[1];
  $ugpl = $item[1]*3;
  mysql_query("UPDATE users437 SET plusses=plusses+$ugpl WHERE uid='".$item[4]."'");
    mysql_query("UPDATE numtao SET give='$ugpl',public='1' WHERE rid='$roww' AND uid='$item[4]'");
}
else if ($bb == $item[2] and $cc == $item[2]) {
  $gpl = $item[1];
  $ugpl = $item[1]*3;
  mysql_query("UPDATE users437 SET plusses=plusses+$ugpl WHERE uid='".$item[4]."'");
   mysql_query("UPDATE numtao SET give='$ugpl',public='1' WHERE rid='$roww' AND uid='$item[4]'");
}
else if ($aa==$item[2]) {
  $gpl = $item[1];
  $ugpl = $item[1]*2;
  mysql_query("UPDATE users437 SET plusses=plusses+$ugpl WHERE uid='".$item[4]."'");
    mysql_query("UPDATE numtao SET give='$ugpl',public='1' WHERE rid='$roww' AND uid='$item[4]'");
}
else if ($bb==$item[2]) {
  $gpl = $item[1];
  $ugpl = $item[1]*2;
  mysql_query("UPDATE users437 SET plusses=plusses+$ugpl WHERE uid='".$item[4]."'");
    mysql_query("UPDATE numtao SET give='$ugpl',public='1' WHERE rid='$roww' AND uid='$item[4]'");
}
else if ($cc==$item[2]) {
  $gpl = $item[1];
  $ugpl = $item[1]*2;
  mysql_query("UPDATE users437 SET plusses=plusses+$ugpl WHERE uid='".$item[4]."'");
    mysql_query("UPDATE numtao SET give='$ugpl',public='1' WHERE rid='$roww' AND uid='$item[4]'");
}
else if ($aa == $item[2] and $bb == $item[2] and $cc == $item[2]) {
  $gpl = $item[1];
  $ugpl = $item[1]*5;
  mysql_query("UPDATE users437 SET plusses=plusses+$ugpl WHERE uid='".$item[4]."'");
   mysql_query("UPDATE numtao SET give='$ugpl',public='1' WHERE rid='$roww' AND uid='$item[4]'");
}
else
      {
 
      mysql_query("UPDATE numtao SET give='$item[1]' WHERE rid='$roww' AND uid='$item[4]'");
 
      }
    }
    }
?>