':'';

if (isset($_GET["code"])) $code = $_GET["code"]; 
if (isset($_GET["type"])) $type = $_GET["type"]; 
$type = str_replace(array("-", " "), "", strtoupper($type));

if (!$_GET && !$test) {
	$local_hosts = array(
		'localhost',
		'127.0.0.1'
		);
	$hostname = $_SERVER['HTTP_HOST'];
	$host_is_local = false;
	foreach ($local_hosts as $host)
		if ($host == $hostname) $host_is_local = true;
	
	header("Content-type: text/html;charset=utf-8");
?>


	
		
		
		
		
    
	
	
		

			

				
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        >        30
      "11011000110", //  ?        ?        31
      "11000110110", //  @        @        32
      "10100011000", //  A        A        33
      "10001011000", //  B        B        34
      "10001000110", //  C        C        35
      "10110001000", //  D        D        36
      "10001101000", //  E        E        37
      "10001100010", //  F        F        38
      "11010001000", //  G        G        39
      "11000101000", //  H        H        40
      "11000100010", //  I        I        41
      "10110111000", //  J        J        42
      "10110001110", //  K        K        43
      "10001101110", //  L        L        44
      "10111011000", //  M        M        45
      "10111000110", //  N        N        46
      "10001110110", //  O        O        47
      "11101110110", //  P        P        48
      "11010001110", //  Q        Q        49
      "11000101110", //  R        R        50
      "11011101000", //  S        S        51
      "11011100010", //  T        T        52
      "11011101110", //  U        U        53
      "11101011000", //  V        V        54
      "11101000110", //  W        W        55
      "11100010110", //  X        X        56
      "11101101000", //  Y        Y        57
      "11101100010", //  Z        Z        58
      "11100011010", //  [        [        59
      "11101111010", //  \        \        60
      "11001000010", //  ]        ]        61
      "11110001010", //  ^        ^        62
      "10100110000", //  _        _        63
      "10100001100", //  NUL      `        64
      "10010110000", //  SOH      a        65
      "10010000110", //  STX      b        66
      "10000101100", //  ETX      c        67
      "10000100110", //  EOT      d        68
      "10110010000", //  ENQ      e        69
      "10110000100", //  ACK      f        70
      "10011010000", //  BEL      g        71
      "10011000010", //  BS       h        72
      "10000110100", //  HT       i        73
      "10000110010", //  LF       j        74
      "11000010010", //  VT       k        75
      "11001010000", //  FF       l        76
      "11110111010", //  CR       m        77
      "11000010100", //  SO       n        78
      "10001111010", //  SI       o        79
      "10100111100", //  DLE      p        80
      "10010111100", //  DC1      q        81
      "10010011110", //  DC2      r        82
      "10111100100", //  DC3      s        83
      "10011110100", //  DC4      t        84
      "10011110010", //  NAK      u        85
      "11110100100", //  SYN      v        86
      "11110010100", //  ETB      w        87
      "11110010010", //  CAN      x        88
      "11011011110", //  EM       y        89
      "11011110110", //  SUB      z        90
      "11110110110", //  ESC      {        91
      "10101111000", //  FS       |        92
      "10100011110", //  GS       }        93
      "10001011110", //  RS       ~        94
      "10111101000", //  US       DEL      95
      "10111100010", //  FNC3     FNC3     96
      "11110101000", //  FNC2     FNC2     97
      "11110100010", //  SHIFT    SHIFT    98
      "10111011110", //  Code C   Code C   99
      "10111101110", //  Code B   FNC4     Code B
      "11101011110", //  FNC4     Code A   Code A
      "11110101110", //  FNC1     FNC1     FNC1
      "11010000100", //  START A  START A  START A
      "11010010000", //  START B  START B  START B
      "11010011100", //  START C  START C  START C
      "11000111010"  //  STOP     STOP     STOP     
      );
  }            

if (!$code = checksumBC($code, $type)) errimg ("Invalid checksum!");
if ($test) echo "code = $code; type = $type;\n";
//$code      = "4770070392058";             // Barcode data. Formated for encoding (checksums calculated etc.)
if (!$xode = stringBC($code, $type)) errimg ("Could not generate binary barcode string!");
if ($test) echo "code = $code; type = $type;\n";
//$code      = "101011 false11 011111";    // Binary barcode string. "1" accepted as true, anything else - false.
$thickness =   2;                        // Thickness of code bars (in pixels).                  Default:   2
$heigth    = 100;                        // Heigth of code bars (in pixels).                     Default: 100 
$span      = array( 0,   0,   0,   0);  // Spanning ("quite zone") (left, top, right, bottom).  Default: ( 15,  15,  15,  15)    
$color[0]  = array(255, 176,  0);       // Background ("false") color (red, green, blue).       Default: (255, 255, 255)
$color[1]  = array( 26,  26, 26);       // Foreground ("true") color (red, green, blue).        Default: (  0,   0,   0)

if (isset($_GET["thickness"])) $thickness = (int)$_GET["thickness"]; 
if (isset($_GET["heigth"])) $heigth = (int)$_GET["heigth"]; 
if (isset($_GET["span"])) $span = (int)$_GET["span"]; 
if (isset($_GET["color"])) $color = json_decode($_GET["color"]); 

$img = drawBC($xode, $thickness, $heigth);//, $span, $color);
if ($img) {
  if (!$test) header("Content-Type: image/png");
  ImagePNG($img);
  }
else errimg ("Could not draw the barcode!");

// -------------------------------------------------------------------------------------------------

function checksumBC ($code, $type = "UPC") {
  global $test;
	$checksum = null;

  $type = str_replace(array("-", " "), "", strtoupper($type));
  $typ3 = substr($type, 0, 3);
  $typ6 = substr($type, 0, 6);
  
  if ($typ3=="EAN" || $typ3=="UPC") $n = 13;
  if ($type=="EAN8") $n = 8;
  if ($type=="EAN5") $n = 5;
  if ($type=="EAN2") $n = 2;
  if ($type=="UPCE") {
    $code = sprintf("%07.8s", $code); 
    $xcode = substr($code, 1, 6);
    if ($code[5] < 3) 
      $code = substr($xcode, 0, 2).$xcode[5]."0000".substr($xcode, 2, 3);
    elseif ($code[5] == 3)
      $code = substr($xcode, 0, 3)."00000".substr($xcode, 3, 2);
    elseif ($code[5] == 4)  
      $code = substr($xcode, 0, 4)."00000".$xcode[4];
    elseif ($code[5] > 4) 
      $code = substr($xcode, 0, 5)."0000".$xcode[5];
    }

  if ($typ3=="EAN" || $typ3=="UPC") {
    $fstr = "%0".(($n>5)?$n-1:$n).".".$n."s";
    $code = sprintf($fstr, $code); 
    $pcode = ($n>5)?substr($code, 0, $n-1):"";
    }
  if ($type=="EAN13" || $type=="EAN8" || $typ3=="UPC") {
  	$checksum = 0;
    for ($i=0; $i $value) $binary[$key] = str_replace($search, $replace, $value);
    $literal .= "*";
    }
  if ($typ6=="CODE93") {
    $binary = array("100010100","101001000","101000100","101000010","100101000","100100100",
    "100100010","101010000","100010010","100001010","110101000","110100100","110100010",
    "110010100","110010010","110001010","101101000","101100100","101100010","100110100",
    "100011010","101011000","101001100","101000110","100101100","100010110","110110100",
    "110110010","110101100","110100110","110010110","110011010","101101100","101100110",
    "100110110","100111010","100101110","111010100","111010010","111001010","101101110",
    "101110110","110101110","100100110","111011010","111010110","100110010","101011110");
    for ($i=0; $i<5; $i++) $literal .= chr(128+$i); //($)(%)(/)(+)(*)
    }
  if ($typ6=="CODE39" || $typ6=="CODE93") {
    for ($i=0; $i