9,0,0,5,3,0,0,0,2,0,1,0
  ^ $i is 1

##</code><code>##

9,0,5,3,0,0,0,2,0,1,0
  ^ $i is 1

##</code><code>##

while ( $i <= $#arry &&  $arry[$i] == 0 )