112         list($size, $mtx) = $this->qr_create_matrix($vers, $data);
113         list($mask, $mtx) = $this->qr_apply_best_mask($mtx, $size);
114         $mtx = $this->qr_finalize_matrix($mtx, $size, $ecl, $mask, $vers);
118             's' => array($size, $size),
476         $size = $version * 4 + 17;
478         for ($i = 0; $i < $size; $i++) {
480             for ($j = 0; $j < $size; $j++) {
492                 $matrix[$size - $i - 1][$j] = $m;
493                 $matrix[$i][$size - $j - 1] = $m;
513         for ($i = $size - 9; $i >= 8; $i--) {
518         $matrix[$size - 8][8] = 3;
523             if ($i && !$matrix[$size - $i][8]) $matrix[$size - $i][8] = 1;
524             if ($i && !$matrix[8][$size - $i]) $matrix[8][$size - $i] = 1;
530                     $matrix[$size - $i][$j] = 1;
531                     $matrix[$j][$size - $i] = 1;
536         $col = $size - 1;
537         $row = $size - 1;
551             if ($row < 0 || $row >= $size) {
558         return array($size, $matrix);
561     protected function qr_apply_best_mask($matrix, $size)  argument
564         $best_matrix = $this->qr_apply_mask($matrix, $size, $best_mask);
565         $best_penalty = $this->qr_penalty($best_matrix, $size);
567             $test_matrix = $this->qr_apply_mask($matrix, $size, $test_mask);
568             $test_penalty = $this->qr_penalty($test_matrix, $size);
578     protected function qr_apply_mask($matrix, $size, $mask)  argument
580         for ($i = 0; $i < $size; $i++) {
581             for ($j = 0; $j < $size; $j++) {
614     protected function qr_penalty(&$matrix, $size)  argument
616         $score = $this->qr_penalty_1($matrix, $size);
617         $score += $this->qr_penalty_2($matrix, $size);
618         $score += $this->qr_penalty_3($matrix, $size);
619         $score += $this->qr_penalty_4($matrix, $size);
623     protected function qr_penalty_1(&$matrix, $size)  argument
626         for ($i = 0; $i < $size; $i++) {
631             for ($j = 0; $j < $size; $j++) {
655     protected function qr_penalty_2(&$matrix, $size)  argument
658         for ($i = 1; $i < $size; $i++) {
659             for ($j = 1; $j < $size; $j++) {
674     protected function qr_penalty_3(&$matrix, $size)  argument
677         for ($i = 0; $i < $size; $i++) {
688             for ($j = 11; $j < $size; $j++) {
700     protected function qr_penalty_4(&$matrix, $size)  argument
703         for ($i = 0; $i < $size; $i++) {
704             for ($j = 0; $j < $size; $j++) {
711         $dark /= $size * $size;
718         $matrix, $size, $ecl, $mask, $version  argument
738         $matrix[$size - 1][8] = $format[0];
739         $matrix[$size - 2][8] = $format[1];
740         $matrix[$size - 3][8] = $format[2];
741         $matrix[$size - 4][8] = $format[3];
742         $matrix[$size - 5][8] = $format[4];
743         $matrix[$size - 6][8] = $format[5];
744         $matrix[$size - 7][8] = $format[6];
745         $matrix[8][$size - 8] = $format[7];
746         $matrix[8][$size - 7] = $format[8];
747         $matrix[8][$size - 6] = $format[9];
748         $matrix[8][$size - 5] = $format[10];
749         $matrix[8][$size - 4] = $format[11];
750         $matrix[8][$size - 3] = $format[12];
751         $matrix[8][$size - 2] = $format[13];
752         $matrix[8][$size - 1] = $format[14];
757                 $r = $size - 9 - ($i % 3);
764         for ($i = 0; $i < $size; $i++) {
765             for ($j = 0; $j < $size; $j++) {