($t[0] == $s[0] && $t[0] == $e[0]) ? $r[0] = 1 : $r[0] = 0;
   ($t[1] == $s[1] && $t[1] == $e[1]) ? $r[1] = 1 : $r[1] = 0;
   ($t[2] == $s[2] && $t[2] == $e[2]) ? $r[2] = 1 : $r[2] = 0;
   ($t[3] == $s[3] && $t[3] == $e[3]) ? $r[3] = 1 : $r[3] = 0;