LionsAd / service_container

        $matches = $ymatches[$line];

        reset($matches);

        while (list ($junk, $y) = each($matches)) {

          if (empty($this->in_seq[$y])) {

            $k = $this->_lcs_pos($y);

            $this::USE_ASSERTS && assert($k > 0);

            $ymids[$k] = $ymids[$k-1];

            break;

          }

        }

        while (list ($junk, $y) = each($matches)) {

          if ($y > $this->seq[$k-1]) {

            $this->seq[$k] = $y;

            $this->in_seq[$y] = 1;

          }

          elseif (empty($this->in_seq[$y])) {

            $k = $this->_lcs_pos($y);

            $this::USE_ASSERTS && assert($k > 0);

            $ymids[$k] = $ymids[$k-1];

          }

        }

      }

    }