Method toByte

text-to-qr/lib/phpqrcode/phpqrcode.php:1892–1927

----------------------------------------------------------------------

()

        
        //----------------------------------------------------------------------
        public function toByte()
        {
        
            $size = $this->size();

            if($size == 0) {
                return array();
            }
            
            $data = array_fill(0, (int)(($size + 7) / 8), 0);
            $bytes = (int)($size / 8);

            $p = 0;
            
            for($i=0; $i<$bytes; $i++) {
                $v = 0;
                for($j=0; $j<8; $j++) {
                    $v = $v << 1;
                    $v |= $this->data[$p];
                    $p++;
                }
                $data[$i] = $v;
            }
            
            if($size & 7) {
                $v = 0;
                for($j=0; $j<($size & 7); $j++) {
                    $v = $v << 1;
                    $v |= $this->data[$p];
                    $p++;
                }
                $data[$bytes] = $v;
            }

            return $data;
        }

    }