Why Echoer den ikke den sidste bruger?

//Problem
Why Echoer den ikke den sidste bruger?


$words==
Array
(
    [0] => :irc.funcom.com
    [1] => 353
    [2] => doomtestbot
    [3] => =
    [4] => #AdrenalineRush
    [5] => :doomtestbot
    [6] => +[AO]DoomStone
    [7] => @DoomStone
)




//Script
    $channel = $words[4];
    $total_channels = count($words)-1;
    $i="5";
            print_r($words); // Debug
    while($i<=$total_channels){
            $words[$i]=str_replace(":", "", $words[$i]);
            $words[$i]=str_replace("@", "", $words[$i]);
            $words[$i]=str_replace("+", "", $words[$i]);
    Echo "'".$words[$i]."'==".$i." was put in to ".$channel."'s channel list\n";   
    $i++;   
    }


//Output
'doomtestbot'==5 was put in to #AdrenalineRush's channel list
'[AO]DoomStone'==6 was put in to #AdrenalineRush's channel list
'==7 was put in to #AdrenalineRush's channel list