一个PHP的QRcode类与大家分享

类的代码:

define('QR_MODE_NUL', -1); 
define('QR_MODE_NUM', 0); 
define('QR_MODE_AN', 1); 
define('QR_MODE_8', 2); 
define('QR_MODE_KANJI', 3); 
define('QR_MODE_STRUCTURE', 4); 
// Levels of error correction. 
define('QR_ECLEVEL_L', 0); 
define('QR_ECLEVEL_M', 1); 
define('QR_ECLEVEL_Q', 2); 
define('QR_ECLEVEL_H', 3); 
// Supported output formats 
define('QR_FORMAT_TEXT', 0); 
define('QR_FORMAT_PNG', 1); 
class qrstr { 
public static function set(&$srctab, $x, $y, $repl, $replLen = false) { 
$srctab[$y] = substr_replace($srctab[$y], ($replLen !== false)?substr($repl,0,$replLen):$repl, $x, ($replLen !== false)?$replLen:strlen($repl)); 
} 
} 
define('QR_CACHEABLE', false); // use cache - more disk reads but less CPU power, masks and format templates are stored there 
define('QR_CACHE_DIR', false); // used when QR_CACHEABLE === true 
define('QR_LOG_DIR', false); // default error logs dir 
define('QR_FIND_BEST_MASK', true); // if true, estimates best mask (spec. default, but extremally slow; set to false to significant performance boost but (propably) worst quality code 
define('QR_FIND_FROM_RANDOM', 2); // if false, checks all masks available, otherwise value tells count of masks need to be checked, mask id are got randomly 
define('QR_DEFAULT_MASK', 2); // when QR_FIND_BEST_MASK === false 
define('QR_PNG_MAXIMUM_SIZE', 1024); // maximum allowed png image width (in pixels), tune to make sure GD and PHP can handle such big images 
class QRtools { 
public static function binarize($frame){ 
$len = count($frame); 
foreach ($frame as &$frameLine) { 
for($i=0; $i<$len; $i++) { 
$frameLine[$i] = (ord($frameLine[$i])&1)?'1':'0'; 
} 
} 
return $frame; 
} 
public static function tcpdfBarcodeArray($code, $mode = 'QR,L', $tcPdfVersion = '4.5.037'){ 
$barcode_array = array(); 
if (!is_array($mode)) 
$mode = explode(',', $mode); 
$eccLevel = 'L'; 
if (count($mode) > 1) { 
$eccLevel = $mode[1]; 
} 
$qrTab = QRcode::text($code, false, $eccLevel); 
$size = count($qrTab); 
$barcode_array['num_rows'] = $size; 
$barcode_array['num_cols'] = $size; 
$barcode_array['bcode'] = array(); 
foreach ($qrTab as $line) { 
$arrAdd = array(); 
foreach(str_split($line) as $char) 
$arrAdd[] = ($char=='1')?1:0; 
$barcode_array['bcode'][] = $arrAdd; 
} 
return $barcode_array; 
} 
public static function clearCache(){ 
self::$frames = array(); 
} 
public static function buildCache(){ 
QRtools::markTime('before_build_cache'); 
$mask = new QRmask(); 
for ($a=1; $a <= QRSPEC_VERSION_MAX; $a++) { 
$frame = QRspec::newFrame($a); 
if (QR_IMAGE) { 
$fileName = QR_CACHE_DIR.'frame_'.$a.'.png'; 
QRimage::png(self::binarize($frame), $fileName, 1, 0); 
} 
$width = count($frame); 
$bitMask = array_fill(0, $width, array_fill(0, $width, 0)); 
for ($maskNo=0; $maskNo<8; $maskNo++) 
$mask->makeMaskNo($maskNo, $width, $frame, $bitMask, true); 
} 
QRtools::markTime('after_build_cache'); 
} 
public static function log($outfile, $err){ 
if (QR_LOG_DIR !== false) { 
if ($err != '') { 
if ($outfile !== false) { 
file_put_contents(QR_LOG_DIR.basename($outfile).'-errors.txt', date('Y-m-d H:i:s').': '.$err, FILE_APPEND); 
} else { 
file_put_contents(QR_LOG_DIR.'errors.txt', date('Y-m-d H:i:s').': '.$err, FILE_APPEND); 
} 
} 
} 
} 
public static function dumpMask($frame){ 
$width = count($frame); 
for($y=0;$y<$width;$y++) { 
for($x=0;$x<$width;$x++) { 
echo ord($frame[$y][$x]).','; 
} 
} 
} 
public static function markTime($markerId){ 
list($usec, $sec) = explode(" ", microtime()); 
$time = ((float)$usec + (float)$sec); 
if (!isset($GLOBALS['qr_time_bench'])) 
$GLOBALS['qr_time_bench'] = array(); 
$GLOBALS['qr_time_bench'][$markerId] = $time; 
} 
public static function timeBenchmark(){ 
self::markTime('finish'); 
$lastTime = 0; 
$startTime = 0; 
$p = 0; 
echo '<table cellpadding="3" cellspacing="1"> 
<thead><tr style="border-bottom:1px solid silver"><td colspan="2" style="text-align:center">BENCHMARK</td></tr></thead> 
<tbody>'; 
foreach($GLOBALS['qr_time_bench'] as $markerId=>$thisTime) { 
if ($p > 0) { 
echo '<tr><th style="text-align:right">till '.$markerId.': </th><td>'.number_format($thisTime-$lastTime, 6).'s</td></tr>'; 
} else { 
$startTime = $thisTime; 
} 
$p++; 
$lastTime = $thisTime; 
} 
echo '</tbody><tfoot> 
<tr style="border-top:2px solid black"><th style="text-align:right">TOTAL: </th><td>'.number_format($lastTime-$startTime, 6).'s</td></tr> 
</tfoot> 
</table>'; 
} 
} 
//########################################################################## 
QRtools::markTime('start'); 
define('QRSPEC_VERSION_MAX', 40); 
define('QRSPEC_WIDTH_MAX', 177); 
define('QRCAP_WIDTH', 0); 
define('QRCAP_WORDS', 1); 
define('QRCAP_REMINDER', 2); 
define('QRCAP_EC', 3); 
class QRspec { 
public static $capacity = array( 
array( 0, 0, 0, array( 0, 0, 0, 0)), 
array( 21, 26, 0, array( 7, 10, 13, 17)), // 1 
array( 25, 44, 7, array( 10, 16, 22, 28)), 
array( 29, 70, 7, array( 15, 26, 36, 44)), 
array( 33, 100, 7, array( 20, 36, 52, 64)), 
array( 37, 134, 7, array( 26, 48, 72, 88)), // 5 
array( 41, 172, 7, array( 36, 64, 96, 112)), 
array( 45, 196, 0, array( 40, 72, 108, 130)), 
array( 49, 242, 0, array( 48, 88, 132, 156)), 
array( 53, 292, 0, array( 60, 110, 160, 192)), 
array( 57, 346, 0, array( 72, 130, 192, 224)), //10 
array( 61, 404, 0, array( 80, 150, 224, 264)), 
array( 65, 466, 0, array( 96, 176, 260, 308)), 
array( 69, 532, 0, array( 104, 198, 288, 352)), 
array( 73, 581, 3, array( 120, 216, 320, 384)), 
array( 77, 655, 3, array( 132, 240, 360, 432)), //15 
array( 81, 733, 3, array( 144, 280, 408, 480)), 
array( 85, 815, 3, array( 168, 308, 448, 532)), 
array( 89, 901, 3, array( 180, 338, 504, 588)), 
array( 93, 991, 3, array( 196, 364, 546, 650)), 
array( 97, 1085, 3, array( 224, 416, 600, 700)), //20 
array(101, 1156, 4, array( 224, 442, 644, 750)), 
array(105, 1258, 4, array( 252, 476, 690, 816)), 
array(109, 1364, 4, array( 270, 504, 750, 900)), 
array(113, 1474, 4, array( 300, 560, 810, 960)), 
array(117, 1588, 4, array( 312, 588, 870, 1050)), //25 
array(121, 1706, 4, array( 336, 644, 952, 1110)), 
array(125, 1828, 4, array( 360, 700, 1020, 1200)), 
array(129, 1921, 3, array( 390, 728, 1050, 1260)), 
array(133, 2051, 3, array( 420, 784, 1140, 1350)), 
array(137, 2185, 3, array( 450, 812, 1200, 1440)), //30 
array(141, 2323, 3, array( 480, 868, 1290, 1530)), 
array(145, 2465, 3, array( 510, 924, 1350, 1620)), 
array(149, 2611, 3, array( 540, 980, 1440, 1710)), 
array(153, 2761, 3, array( 570, 1036, 1530, 1800)), 
array(157, 2876, 0, array( 570, 1064, 1590, 1890)), //35 
array(161, 3034, 0, array( 600, 1120, 1680, 1980)), 
array(165, 3196, 0, array( 630, 1204, 1770, 2100)), 
array(169, 3362, 0, array( 660, 1260, 1860, 2220)), 
array(173, 3532, 0, array( 720, 1316, 1950, 2310)), 
array(177, 3706, 0, array( 750, 1372, 2040, 2430)) //40 
); 
public static function getDataLength($version, $level){ 
return self::$capacity[$version][QRCAP_WORDS] - self::$capacity[$version][QRCAP_EC][$level]; 
} 
public static function getECCLength($version, $level){ 
return self::$capacity[$version][QRCAP_EC][$level]; 
} 
public static function getWidth($version){ 
return self::$capacity[$version][QRCAP_WIDTH]; 
} 
public static function getRemainder($version){ 
return self::$capacity[$version][QRCAP_REMINDER]; 
} 
public static function getMinimumVersion($size, $level){ 
for($i=1; $i<= QRSPEC_VERSION_MAX; $i++) { 
$words = self::$capacity[$i][QRCAP_WORDS] - self::$capacity[$i][QRCAP_EC][$level]; 
if($words >= $size) 
return $i; 
} 
return -1; 
} 
//###################################################################### 
public static $lengthTableBits = array( 
array(10, 12, 14), 
array( 9, 11, 13), 
array( 8, 16, 16), 
array( 8, 10, 12) 
); 
public static function lengthIndicator($mode, $version){ 
if ($mode == QR_MODE_STRUCTURE) 
return 0; 
if ($version <= 9) { 
$l = 0; 
} else if ($version <= 26) { 
$l = 1; 
} else { 
$l = 2; 
} 
return self::$lengthTableBits[$mode][$l]; 
} 
public static function maximumWords($mode, $version){ 
if($mode == QR_MODE_STRUCTURE) 
return 3; 
if($version <= 9) { 
$l = 0; 
} else if($version <= 26) { 
$l = 1; 
} else { 
$l = 2; 
} 
$bits = self::$lengthTableBits[$mode][$l]; 
$words = (1 << $bits) - 1; 
if($mode == QR_MODE_KANJI) { 
$words *= 2; // the number of bytes is required 
} 
return $words; 
} 
public static $eccTable = array( 
array(array( 0, 0), array( 0, 0), array( 0, 0), array( 0, 0)), 
array(array( 1, 0), array( 1, 0), array( 1, 0), array( 1, 0)), // 1 
array(array( 1, 0), array( 1, 0), array( 1, 0), array( 1, 0)), 
array(array( 1, 0), array( 1, 0), array( 2, 0), array( 2, 0)), 
array(array( 1, 0), array( 2, 0), array( 2, 0), array( 4, 0)), 
array(array( 1, 0), array( 2, 0), array( 2, 2), array( 2, 2)), // 5 
array(array( 2, 0), array( 4, 0), array( 4, 0), array( 4, 0)), 
array(array( 2, 0), array( 4, 0), array( 2, 4), array( 4, 1)), 
array(array( 2, 0), array( 2, 2), array( 4, 2), array( 4, 2)), 
array(array( 2, 0), array( 3, 2), array( 4, 4), array( 4, 4)), 
array(array( 2, 2), array( 4, 1), array( 6, 2), array( 6, 2)), //10 
array(array( 4, 0), array( 1, 4), array( 4, 4), array( 3, 8)), 
array(array( 2, 2), array( 6, 2), array( 4, 6), array( 7, 4)), 
array(array( 4, 0), array( 8, 1), array( 8, 4), array(12, 4)), 
array(array( 3, 1), array( 4, 5), array(11, 5), array(11, 5)), 
array(array( 5, 1), array( 5, 5), array( 5, 7), array(11, 7)), //15 
array(array( 5, 1), array( 7, 3), array(15, 2), array( 3, 13)), 
array(array( 1, 5), array(10, 1), array( 1, 15), array( 2, 17)), 
array(array( 5, 1), array( 9, 4), array(17, 1), array( 2, 19)), 
array(array( 3, 4), array( 3, 11), array(17, 4), array( 9, 16)), 
array(array( 3, 5), array( 3, 13), array(15, 5), array(15, 10)), //20 
array(array( 4, 4), array(17, 0), array(17, 6), array(19, 6)), 
array(array( 2, 7), array(17, 0), array( 7, 16), array(34, 0)), 
array(array( 4, 5), array( 4, 14), array(11, 14), array(16, 14)), 
array(array( 6, 4), array( 6, 14), array(11, 16), array(30, 2)), 
array(array( 8, 4), array( 8, 13), array( 7, 22), array(22, 13)), //25 
array(array(10, 2), array(19, 4), array(28, 6), array(33, 4)), 
array(array( 8, 4), array(22, 3), array( 8, 26), array(12, 28)), 
array(array( 3, 10), array( 3, 23), array( 4, 31), array(11, 31)), 
array(array( 7, 7), array(21, 7), array( 1, 37), array(19, 26)), 
array(array( 5, 10), array(19, 10), array(15, 25), array(23, 25)), //30 
array(array(13, 3), array( 2, 29), array(42, 1), array(23, 28)), 
array(array(17, 0), array(10, 23), array(10, 35), array(19, 35)), 
array(array(17, 1), array(14, 21), array(29, 19), array(11, 46)), 
array(array(13, 6), array(14, 23), array(44, 7), array(59, 1)), 
array(array(12, 7), array(12, 26), array(39, 14), array(22, 41)), //35 
array(array( 6, 14), array( 6, 34), array(46, 10), array( 2, 64)), 
array(array(17, 4), array(29, 14), array(49, 10), array(24, 46)), 
array(array( 4, 18), array(13, 32), array(48, 14), array(42, 32)), 
array(array(20, 4), array(40, 7), array(43, 22), array(10, 67)), 
array(array(19, 6), array(18, 31), array(34, 34), array(20, 61)),//40 
); 
// CACHEABLE!!! 
public static function getEccSpec($version, $level, array &$spec){ 
if (count($spec) < 5) { 
$spec = array(0,0,0,0,0); 
} 
$b1 = self::$eccTable[$version][$level][0]; 
$b2 = self::$eccTable[$version][$level][1]; 
$data = self::getDataLength($version, $level); 
$ecc = self::getECCLength($version, $level); 
if($b2 == 0) { 
$spec[0] = $b1; 
$spec[1] = (int)($data / $b1); 
$spec[2] = (int)($ecc / $b1); 
$spec[3] = 0; 
$spec[4] = 0; 
} else { 
$spec[0] = $b1; 
$spec[1] = (int)($data / ($b1 + $b2)); 
$spec[2] = (int)($ecc / ($b1 + $b2)); 
$spec[3] = $b2; 
$spec[4] = $spec[1] + 1; 
} 
} 
public static $alignmentPattern = array( 
array( 0, 0), 
array( 0, 0), array(18, 0), array(22, 0), array(26, 0), array(30, 0), // 1- 5 
array(34, 0), array(22, 38), array(24, 42), array(26, 46), array(28, 50), // 6-10 
array(30, 54), array(32, 58), array(34, 62), array(26, 46), array(26, 48), //11-15 
array(26, 50), array(30, 54), array(30, 56), array(30, 58), array(34, 62), //16-20 
array(28, 50), array(26, 50), array(30, 54), array(28, 54), array(32, 58), //21-25 
array(30, 58), array(34, 62), array(26, 50), array(30, 54), array(26, 52), //26-30 
array(30, 56), array(34, 60), array(30, 58), array(34, 62), array(30, 54), //31-35 
array(24, 50), array(28, 54), array(32, 58), array(26, 54), array(30, 58), //35-40 
); 
public static function putAlignmentMarker(array &$frame, $ox, $oy){ 
$finder = array( 
"\xa1\xa1\xa1\xa1\xa1", 
"\xa1\xa0\xa0\xa0\xa1", 
"\xa1\xa0\xa1\xa0\xa1", 
"\xa1\xa0\xa0\xa0\xa1", 
"\xa1\xa1\xa1\xa1\xa1" 
); 
$yStart = $oy-2; 
$xStart = $ox-2; 
for($y=0; $y<5; $y++) { 
QRstr::set($frame, $xStart, $yStart+$y, $finder[$y]); 
} 
} 
public static function putAlignmentPattern($version, &$frame, $width){ 
if($version < 2) 
return; 
$d = self::$alignmentPattern[$version][1] - self::$alignmentPattern[$version][0]; 
if($d < 0) { 
$w = 2; 
} else { 
$w = (int)(($width - self::$alignmentPattern[$version][0]) / $d + 2); 
} 
if($w * $w - 3 == 1) { 
$x = self::$alignmentPattern[$version][0]; 
$y = self::$alignmentPattern[$version][0]; 
self::putAlignmentMarker($frame, $x, $y); 
return; 
} 
$cx = self::$alignmentPattern[$version][0]; 
for($x=1; $x<$w - 1; $x++) { 
self::putAlignmentMarker($frame, 6, $cx); 
self::putAlignmentMarker($frame, $cx, 6); 
$cx += $d; 
} 
$cy = self::$alignmentPattern[$version][0]; 
for($y=0; $y<$w-1; $y++) { 
$cx = self::$alignmentPattern[$version][0]; 
for($x=0; $x<$w-1; $x++) { 
self::putAlignmentMarker($frame, $cx, $cy); 
$cx += $d; 
} 
$cy += $d; 
} 
} 
public static $versionPattern = array( 
0x07c94, 0x085bc, 0x09a99, 0x0a4d3, 0x0bbf6, 0x0c762, 0x0d847, 0x0e60d, 
0x0f928, 0x10b78, 0x1145d, 0x12a17, 0x13532, 0x149a6, 0x15683, 0x168c9, 
0x177ec, 0x18ec4, 0x191e1, 0x1afab, 0x1b08e, 0x1cc1a, 0x1d33f, 0x1ed75, 
0x1f250, 0x209d5, 0x216f0, 0x228ba, 0x2379f, 0x24b0b, 0x2542e, 0x26a64, 
0x27541, 0x28c69 
); 
public static function getVersionPattern($version){ 
if($version < 7 || $version > QRSPEC_VERSION_MAX) 
return 0; 
return self::$versionPattern[$version -7]; 
} 
// Format information -------------------------------------------------- 
// See calcFormatInfo in tests/test_qrspec.c (orginal qrencode c lib) 
public static $formatInfo = array( 
array(0x77c4, 0x72f3, 0x7daa, 0x789d, 0x662f, 0x6318, 0x6c41, 0x6976), 
array(0x5412, 0x5125, 0x5e7c, 0x5b4b, 0x45f9, 0x40ce, 0x4f97, 0x4aa0), 
array(0x355f, 0x3068, 0x3f31, 0x3a06, 0x24b4, 0x2183, 0x2eda, 0x2bed), 
array(0x1689, 0x13be, 0x1ce7, 0x19d0, 0x0762, 0x0255, 0x0d0c, 0x083b) 
); 
public static function getFormatInfo($mask, $level){ 
if($mask < 0 || $mask > 7) 
return 0; 
if($level < 0 || $level > 3) 
return 0; 
return self::$formatInfo[$level][$mask]; 
} 
// Frame --------------------------------------------------------------- 
// Cache of initial frames. 
public static $frames = array(); 
public static function putFinderPattern(&$frame, $ox, $oy){ 
$finder = array( 
"\xc1\xc1\xc1\xc1\xc1\xc1\xc1", 
"\xc1\xc0\xc0\xc0\xc0\xc0\xc1", 
"\xc1\xc0\xc1\xc1\xc1\xc0\xc1", 
"\xc1\xc0\xc1\xc1\xc1\xc0\xc1", 
"\xc1\xc0\xc1\xc1\xc1\xc0\xc1", 
"\xc1\xc0\xc0\xc0\xc0\xc0\xc1", 
"\xc1\xc1\xc1\xc1\xc1\xc1\xc1" 
); 
for($y=0; $y<7; $y++) { 
QRstr::set($frame, $ox, $oy+$y, $finder[$y]); 
} 
} 
public static function createFrame($version){ 
$width = self::$capacity[$version][QRCAP_WIDTH]; 
$frameLine = str_repeat ("\0", $width); 
$frame = array_fill(0, $width, $frameLine); 
// Finder pattern 
self::putFinderPattern($frame, 0, 0); 
self::putFinderPattern($frame, $width - 7, 0); 
self::putFinderPattern($frame, 0, $width - 7); 
// Separator 
$yOffset = $width - 7; 
for($y=0; $y<7; $y++) { 
$frame[$y][7] = "\xc0"; 
$frame[$y][$width - 8] = "\xc0"; 
$frame[$yOffset][7] = "\xc0"; 
$yOffset++; 
} 
$setPattern = str_repeat("\xc0", 8); 
QRstr::set($frame, 0, 7, $setPattern); 
QRstr::set($frame, $width-8, 7, $setPattern); 
QRstr::set($frame, 0, $width - 8, $setPattern); 
// Format info 
$setPattern = str_repeat("\x84", 9); 
QRstr::set($frame, 0, 8, $setPattern); 
QRstr::set($frame, $width - 8, 8, $setPattern, 8); 
$yOffset = $width - 8; 
for($y=0; $y<8; $y++,$yOffset++) { 
$frame[$y][8] = "\x84"; 
$frame[$yOffset][8] = "\x84"; 
} 
// Timing pattern 
for($i=1; $i<$width-15; $i++) { 
$frame[6][7+$i] = chr(0x90 | ($i & 1)); 
$frame[7+$i][6] = chr(0x90 | ($i & 1)); 
} 
// Alignment pattern 
self::putAlignmentPattern($version, $frame, $width); 
// Version information 
if($version >= 7) { 
$vinf = self::getVersionPattern($version); 
$v = $vinf; 
for($x=0; $x<6; $x++) { 
for($y=0; $y<3; $y++) { 
$frame[($width - 11)+$y][$x] = chr(0x88 | ($v & 1)); 
$v = $v >> 1; 
} 
} 
$v = $vinf; 
for($y=0; $y<6; $y++) { 
for($x=0; $x<3; $x++) { 
$frame[$y][$x+($width - 11)] = chr(0x88 | ($v & 1)); 
$v = $v >> 1; 
} 
} 
} 
// and a little bit... 
$frame[$width - 8][8] = "\x81"; 
return $frame; 
} 
public static function debug($frame, $binary_mode = false){ 
if ($binary_mode) { 
foreach ($frame as &$frameLine) { 
$frameLine = join('<span class="m">  </span>', explode('0', $frameLine)); 
$frameLine = join('██', explode('1', $frameLine)); 
} 
<style> 
.m { background-color: white; } 
</style> 
echo '<pre><tt><br/ ><br/ ><br/ >        '; 
echo join("<br/ >        ", $frame); 
echo '</tt></pre><br/ ><br/ ><br/ ><br/ ><br/ ><br/ >'; 
} else { 
foreach ($frame as &$frameLine) { 
$frameLine = join('<span class="m"> </span>', explode("\xc0", $frameLine)); 
$frameLine = join('<span class="m">▒</span>', explode("\xc1", $frameLine)); 
$frameLine = join('<span class="p"> </span>', explode("\xa0", $frameLine)); 
$frameLine = join('<span class="p">▒</span>', explode("\xa1", $frameLine)); 
$frameLine = join('<span class="s">◇</span>', explode("\x84", $frameLine)); //format 0 
$frameLine = join('<span class="s">◆</span>', explode("\x85", $frameLine)); //format 1 
$frameLine = join('<span class="x">☢</span>', explode("\x81", $frameLine)); //special bit 
$frameLine = join('<span class="c"> </span>', explode("\x90", $frameLine)); //clock 0 
$frameLine = join('<span class="c">◷</span>', explode("\x91", $frameLine)); //clock 1 
$frameLine = join('<span class="f"> </span>', explode("\x88", $frameLine)); //version 
$frameLine = join('<span class="f">▒</span>', explode("\x89", $frameLine)); //version 
$frameLine = join('♦', explode("\x01", $frameLine)); 
$frameLine = join('⋅', explode("\0", $frameLine)); 
} 
<style> 
.p { background-color: yellow; } 
.m { background-color: #00FF00; } 
.s { background-color: #FF0000; } 
.c { background-color: aqua; } 
.x { background-color: pink; } 
.f { background-color: gold; } 
</style> 
echo "<pre><tt>"; 
echo join("<br/ >", $frame); 
echo "</tt></pre>"; 
} 
} 
public static function serial($frame){ 
return gzcompress(join("\n", $frame), 9); 
} 
public static function unserial($code){ 
return explode("\n", gzuncompress($code)); 
} 
public static function newFrame($version){ 
if($version < 1 || $version > QRSPEC_VERSION_MAX) 
return null; 
if(!isset(self::$frames[$version])) { 
$fileName = QR_CACHE_DIR.'frame_'.$version.'.dat'; 
if (QR_CACHEABLE) { 
if (file_exists($fileName)) { 
self::$frames[$version] = self::unserial(file_get_contents($fileName)); 
} else { 
self::$frames[$version] = self::createFrame($version); 
file_put_contents($fileName, self::serial(self::$frames[$version])); 
} 
} else { 
self::$frames[$version] = self::createFrame($version); 
} 
} 
if(is_null(self::$frames[$version])) 
return null; 
return self::$frames[$version]; 
} 
public static function rsBlockNum($spec) { return $spec[0] + $spec[3]; } 
public static function rsBlockNum1($spec) { return $spec[0]; } 
public static function rsDataCodes1($spec) { return $spec[1]; } 
public static function rsEccCodes1($spec) { return $spec[2]; } 
public static function rsBlockNum2($spec) { return $spec[3]; } 
public static function rsDataCodes2($spec) { return $spec[4]; } 
public static function rsEccCodes2($spec) { return $spec[2]; } 
public static function rsDataLength($spec) { return ($spec[0] * $spec[1]) + ($spec[3] * $spec[4]); } 
public static function rsEccLength($spec) { return ($spec[0] + $spec[3]) * $spec[2]; } 
} 
define('QR_IMAGE', true); 
class QRimage { 
public static function png($frame, $filename = false, $pixelPerPoint = 4, $outerFrame = 4,$saveandprint=FALSE){ 
$image = self::image($frame, $pixelPerPoint, $outerFrame); 
if ($filename === false) { 
Header("Content-type: image/png"); 
ImagePng($image); 
} else { 
if($saveandprint===TRUE){ 
ImagePng($image, $filename); 
header("Content-type: image/png"); 
ImagePng($image); 
}else{ 
ImagePng($image, $filename); 
} 
} 
ImageDestroy($image); 
} 
public static function jpg($frame, $filename = false, $pixelPerPoint = 8, $outerFrame = 4, $q = 85){ 
$image = self::image($frame, $pixelPerPoint, $outerFrame); 
if ($filename === false) { 
Header("Content-type: image/jpeg"); 
ImageJpeg($image, null, $q); 
} else { 
ImageJpeg($image, $filename, $q); 
} 
ImageDestroy($image); 
} 
private static function image($frame, $pixelPerPoint = 4, $outerFrame = 4){ 
$h = count($frame); 
$w = strlen($frame[0]); 
$imgW = $w + 2*$outerFrame; 
$imgH = $h + 2*$outerFrame; 
$base_image =ImageCreate($imgW, $imgH); 
$col[0] = ImageColorAllocate($base_image,255,255,255); 
$col[1] = ImageColorAllocate($base_image,0,0,0); 
imagefill($base_image, 0, 0, $col[0]); 
for($y=0; $y<$h; $y++) { 
for($x=0; $x<$w; $x++) { 
if ($frame[$y][$x] == '1') { 
ImageSetPixel($base_image,$x+$outerFrame,$y+$outerFrame,$col[1]); 
} 
} 
} 
$target_image =ImageCreate($imgW * $pixelPerPoint, $imgH * $pixelPerPoint); 
ImageCopyResized($target_image, $base_image, 0, 0, 0, 0, $imgW * $pixelPerPoint, $imgH * $pixelPerPoint, $imgW, $imgH); 
ImageDestroy($base_image); 
return $target_image; 
} 
} 
define('STRUCTURE_HEADER_BITS', 20); 
define('MAX_STRUCTURED_SYMBOLS', 16); 
class QRinputItem { 
public $mode; 
public $size; 
public $data; 
public $bstream; 
public function __construct($mode, $size, $data, $bstream = null){ 
$setData = array_slice($data, 0, $size); 
if (count($setData) < $size) { 
$setData = array_merge($setData, array_fill(0,$size-count($setData),0)); 
} 
if(!QRinput::check($mode, $size, $setData)) { 
throw new Exception('Error m:'.$mode.',s:'.$size.',d:'.join(',',$setData)); 
return null; 
} 
$this->mode = $mode; 
$this->size = $size; 
$this->data = $setData; 
$this->bstream = $bstream; 
} 
public function encodeModeNum($version){ 
try { 
$words = (int)($this->size / 3); 
$bs = new QRbitstream(); 
$val = 0x1; 
$bs->appendNum(4, $val); 
$bs->appendNum(QRspec::lengthIndicator(QR_MODE_NUM, $version), $this->size); 
for($i=0; $i<$words; $i++) { 
$val = (ord($this->data[$i*3 ]) - ord('0')) * 100; 
$val += (ord($this->data[$i*3+1]) - ord('0')) * 10; 
$val += (ord($this->data[$i*3+2]) - ord('0')); 
$bs->appendNum(10, $val); 
} 
if($this->size - $words * 3 == 1) { 
$val = ord($this->data[$words*3]) - ord('0'); 
$bs->appendNum(4, $val); 
} else if($this->size - $words * 3 == 2) { 
$val = (ord($this->data[$words*3 ]) - ord('0')) * 10; 
$val += (ord($this->data[$words*3+1]) - ord('0')); 
$bs->appendNum(7, $val); 
} 
$this->bstream = $bs; 
return 0; 
} catch (Exception $e) { 
return -1; 
} 
} 
public function encodeModeAn($version){ 
try { 
$words = (int)($this->size / 2); 
$bs = new QRbitstream(); 
$bs->appendNum(4, 0x02); 
$bs->appendNum(QRspec::lengthIndicator(QR_MODE_AN, $version), $this->size); 
for($i=0; $i<$words; $i++) { 
$val = (int)QRinput::lookAnTable(ord($this->data[$i*2 ])) * 45; 
$val += (int)QRinput::lookAnTable(ord($this->data[$i*2+1])); 
$bs->appendNum(11, $val); 
} 
if($this->size & 1) { 
$val = QRinput::lookAnTable(ord($this->data[$words * 2])); 
$bs->appendNum(6, $val); 
} 
$this->bstream = $bs; 
return 0; 
} catch (Exception $e) { 
return -1; 
} 
} 
public function encodeMode8($version){ 
try { 
$bs = new QRbitstream(); 
$bs->appendNum(4, 0x4); 
$bs->appendNum(QRspec::lengthIndicator(QR_MODE_8, $version), $this->size); 
for($i=0; $i<$this->size; $i++) { 
$bs->appendNum(8, ord($this->data[$i])); 
} 
$this->bstream = $bs; 
return 0; 
} catch (Exception $e) { 
return -1; 
} 
} 
public function encodeModeKanji($version){ 
try { 
$bs = new QRbitrtream(); 
$bs->appendNum(4, 0x8); 
$bs->appendNum(QRspec::lengthIndicator(QR_MODE_KANJI, $version), (int)($this->size / 2)); 
for($i=0; $i<$this->size; $i+=2) { 
$val = (ord($this->data[$i]) << 8) | ord($this->data[$i+1]); 
if($val <= 0x9ffc) { 
$val -= 0x8140; 
} else { 
$val -= 0xc140; 
} 
$h = ($val >> 8) * 0xc0; 
$val = ($val & 0xff) + $h; 
$bs->appendNum(13, $val); 
} 
$this->bstream = $bs; 
return 0; 
} catch (Exception $e) { 
return -1; 
} 
} 
public function encodeModeStructure(){ 
try { 
$bs = new QRbitstream(); 
$bs->appendNum(4, 0x03); 
$bs->appendNum(4, ord($this->data[1]) - 1); 
$bs->appendNum(4, ord($this->data[0]) - 1); 
$bs->appendNum(8, ord($this->data[2])); 
$this->bstream = $bs; 
return 0; 
} catch (Exception $e) { 
return -1; 
} 
} 
public function estimateBitStreamSizeOfEntry($version){ 
$bits = 0; 
if($version == 0) 
$version = 1; 
switch($this->mode) { 
case QR_MODE_NUM: $bits = QRinput::estimateBitsModeNum($this->size); break; 
case QR_MODE_AN: $bits = QRinput::estimateBitsModeAn($this->size); break; 
case QR_MODE_8: $bits = QRinput::estimateBitsMode8($this->size); break; 
case QR_MODE_KANJI: $bits = QRinput::estimateBitsModeKanji($this->size);break; 
case QR_MODE_STRUCTURE: return STRUCTURE_HEADER_BITS; 
default: 
return 0; 
} 
$l = QRspec::lengthIndicator($this->mode, $version); 
$m = 1 << $l; 
$num = (int)(($this->size + $m - 1) / $m); 
$bits += $num * (4 + $l); 
return $bits; 
} 
public function encodeBitStream($version){ 
try { 
unset($this->bstream); 
$words = QRspec::maximumWords($this->mode, $version); 
if($this->size > $words) { 
$st1 = new QRinputItem($this->mode, $words, $this->data); 
$st2 = new QRinputItem($this->mode, $this->size - $words, array_slice($this->data, $words)); 
$st1->encodeBitStream($version); 
$st2->encodeBitStream($version); 
$this->bstream = new QRbitstream(); 
$this->bstream->append($st1->bstream); 
$this->bstream->append($st2->bstream); 
unset($st1); 
unset($st2); 
} else { 
$ret = 0; 
switch($this->mode) { 
case QR_MODE_NUM: $ret = $this->encodeModeNum($version); break; 
case QR_MODE_AN: $ret = $this->encodeModeAn($version); break; 
case QR_MODE_8: $ret = $this->encodeMode8($version); break; 
case QR_MODE_KANJI: $ret = $this->encodeModeKanji($version);break; 
case QR_MODE_STRUCTURE: $ret = $this->encodeModeStructure(); break; 
default: 
break; 
} 
if($ret < 0) 
return -1; 
} 
return $this->bstream->size(); 
} catch (Exception $e) { 
return -1; 
} 
} 
}; 
class QRinput { 
public $items; 
private $version; 
private $level; 
public function __construct($version = 0, $level = QR_ECLEVEL_L){ 
if ($version < 0 || $version > QRSPEC_VERSION_MAX || $level > QR_ECLEVEL_H) { 
throw new Exception('Invalid version no'); 
return NULL; 
} 
$this->version = $version; 
$this->level = $level; 
} 
public function getVersion(){ 
return $this->version; 
} 
public function setVersion($version){ 
if($version < 0 || $version > QRSPEC_VERSION_MAX) { 
throw new Exception('Invalid version no'); 
return -1; 
} 
$this->version = $version; 
return 0; 
} 
public function getErrorCorrectionLevel(){ 
return $this->level; 
} 
public function setErrorCorrectionLevel($level){ 
if($level > QR_ECLEVEL_H) { 
throw new Exception('Invalid ECLEVEL'); 
return -1; 
} 
$this->level = $level; 
return 0; 
} 
public function appendEntry(QRinputItem $entry){ 
$this->items[] = $entry; 
} 
public function append($mode, $size, $data){ 
try { 
$entry = new QRinputItem($mode, $size, $data); 
$this->items[] = $entry; 
return 0; 
} catch (Exception $e) { 
return -1; 
} 
} 
public function insertStructuredAppendHeader($size, $index, $parity){ 
if( $size > MAX_STRUCTURED_SYMBOLS ) { 
throw new Exception('insertStructuredAppendHeader wrong size'); 
} 
if( $index <= 0 || $index > MAX_STRUCTURED_SYMBOLS ) { 
throw new Exception('insertStructuredAppendHeader wrong index'); 
} 
$buf = array($size, $index, $parity); 
try { 
$entry = new QRinputItem(QR_MODE_STRUCTURE, 3, buf); 
array_unshift($this->items, $entry); 
return 0; 
} catch (Exception $e) { 
return -1; 
} 
} 
public function calcParity(){ 
$parity = 0; 
foreach($this->items as $item) { 
if($item->mode != QR_MODE_STRUCTURE) { 
for($i=$item->size-1; $i>=0; $i--) { 
$parity ^= $item->data[$i]; 
} 
} 
} 
return $parity; 
} 
public static function checkModeNum($size, $data){ 
for($i=0; $i<$size; $i++) { 
if((ord($data[$i]) < ord('0')) || (ord($data[$i]) > ord('9'))){ 
return false; 
} 
} 
return true; 
} 
public static function estimateBitsModeNum($size){ 
$w = (int)$size / 3; 
$bits = $w * 10; 
switch($size - $w * 3) { 
case 1: 
$bits += 4; 
break; 
case 2: 
$bits += 7; 
break; 
default: 
break; 
} 
return $bits; 
} 
public static $anTable = array( 
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
36, -1, -1, -1, 37, 38, -1, -1, -1, -1, 39, 40, -1, 41, 42, 43, 
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 44, -1, -1, -1, -1, -1, 
-1, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 
25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, -1, -1, -1, -1, -1, 
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 
); 
public static function lookAnTable($c){ 
return (($c > 127)?-1:self::$anTable[$c]); 
} 
public static function checkModeAn($size, $data){ 
for($i=0; $i<$size; $i++) { 
if (self::lookAnTable(ord($data[$i])) == -1) { 
return false; 
} 
} 
return true; 
} 
public static function estimateBitsModeAn($size){ 
$w = (int)($size / 2); 
$bits = $w * 11; 
if($size & 1) { 
$bits += 6; 
} 
return $bits; 
} 
public static function estimateBitsMode8($size){ 
return $size * 8; 
} 
public function estimateBitsModeKanji($size){ 
return (int)(($size / 2) * 13); 
} 
public static function checkModeKanji($size, $data){ 
if($size & 1) 
return false; 
for($i=0; $i<$size; $i+=2) { 
$val = (ord($data[$i]) << 8) | ord($data[$i+1]); 
if( $val < 0x8140 
|| ($val > 0x9ffc && $val < 0xe040) 
|| $val > 0xebbf) { 
return false; 
} 
} 
return true; 
} 
public static function check($mode, $size, $data){ 
if($size <= 0) 
return false; 
switch($mode) { 
case QR_MODE_NUM: return self::checkModeNum($size, $data); break; 
case QR_MODE_AN: return self::checkModeAn($size, $data); break; 
case QR_MODE_KANJI: return self::checkModeKanji($size, $data); break; 
case QR_MODE_8: return true; break; 
case QR_MODE_STRUCTURE: return true; break; 
default: 
break; 
} 
return false; 
} 
public function estimateBitStreamSize($version){ 
$bits = 0; 
foreach($this->items as $item) { 
$bits += $item->estimateBitStreamSizeOfEntry($version); 
} 
return $bits; 
} 
public function estimateVersion(){ 
$version = 0; 
$prev = 0; 
do { 
$prev = $version; 
$bits = $this->estimateBitStreamSize($prev); 
$version = QRspec::getMinimumVersion((int)(($bits + 7) / 8), $this->level); 
if ($version < 0) { 
return -1; 
} 
} while ($version > $prev); 
return $version; 
} 
public static function lengthOfCode($mode, $version, $bits){ 
$payload = $bits - 4 - QRspec::lengthIndicator($mode, $version); 
switch($mode) { 
case QR_MODE_NUM: 
$chunks = (int)($payload / 10); 
$remain = $payload - $chunks * 10; 
$size = $chunks * 3; 
if($remain >= 7) { 
$size += 2; 
} else if($remain >= 4) { 
$size += 1; 
} 
break; 
case QR_MODE_AN: 
$chunks = (int)($payload / 11); 
$remain = $payload - $chunks * 11; 
$size = $chunks * 2; 
if($remain >= 6) 
$size++; 
break; 
case QR_MODE_8: 
$size = (int)($payload / 8); 
break; 
case QR_MODE_KANJI: 
$size = (int)(($payload / 13) * 2); 
break; 
case QR_MODE_STRUCTURE: 
$size = (int)($payload / 8); 
break; 
default: 
$size = 0; 
break; 
} 
$maxsize = QRspec::maximumWords($mode, $version); 
if($size < 0) $size = 0; 
if($size > $maxsize) $size = $maxsize; 
return $size; 
} 
public function createBitStream(){ 
$total = 0; 
foreach($this->items as $item) { 
$bits = $item->encodeBitStream($this->version); 
if($bits < 0) 
return -1; 
$total += $bits; 
} 
return $total; 
} 
public function convertData(){ 
$ver = $this->estimateVersion(); 
if($ver > $this->getVersion()) { 
$this->setVersion($ver); 
} 
for(;;) { 
$bits = $this->createBitStream(); 
if($bits < 0) 
return -1; 
$ver = QRspec::getMinimumVersion((int)(($bits + 7) / 8), $this->level); 
if($ver < 0) { 
throw new Exception('WRONG VERSION'); 
return -1; 
} else if($ver > $this->getVersion()) { 
$this->setVersion($ver); 
} else { 
break; 
} 
} 
return 0; 
} 
public function appendPaddingBit(&$bstream){ 
$bits = $bstream->size(); 
$maxwords = QRspec::getDataLength($this->version, $this->level); 
$maxbits = $maxwords * 8; 
if ($maxbits == $bits) { 
return 0; 
} 
if ($maxbits - $bits < 5) { 
return $bstream->appendNum($maxbits - $bits, 0); 
} 
$bits += 4; 
$words = (int)(($bits + 7) / 8); 
$padding = new QRbitstream(); 
$ret = $padding->appendNum($words * 8 - $bits + 4, 0); 
if($ret < 0) 
return $ret; 
$padlen = $maxwords - $words; 
if($padlen > 0) { 
$padbuf = array(); 
for($i=0; $i<$padlen; $i++) { 
$padbuf[$i] = ($i&1)?0x11:0xec; 
} 
$ret = $padding->appendBytes($padlen, $padbuf); 
if($ret < 0) 
return $ret; 
} 
$ret = $bstream->append($padding); 
return $ret; 
} 
public function mergeBitStream(){ 
if($this->convertData() < 0) { 
return null; 
} 
$bstream = new QRbitstream(); 
foreach($this->items as $item) { 
$ret = $bstream->append($item->bstream); 
if($ret < 0) { 
return null; 
} 
} 
return $bstream; 
} 
public function getBitStream(){ 
$bstream = $this->mergeBitStream(); 
if($bstream == null) { 
return null; 
} 
$ret = $this->appendPaddingBit($bstream); 
if($ret < 0) { 
return null; 
} 
return $bstream; 
} 
public function getByteStream(){ 
$bstream = $this->getBitStream(); 
if($bstream == null) { 
return null; 
} 
return $bstream->toByte(); 
} 
} 
class QRbitstream { 
public $data = array(); 
public function size(){ 
return count($this->data); 
} 
public function allocate($setLength){ 
$this->data = array_fill(0, $setLength, 0); 
return 0; 
} 
public static function newFromNum($bits, $num){ 
$bstream = new QRbitstream(); 
$bstream->allocate($bits); 
$mask = 1 << ($bits - 1); 
for($i=0; $i<$bits; $i++) { 
if($num & $mask) { 
$bstream->data[$i] = 1; 
} else { 
$bstream->data[$i] = 0; 
} 
$mask = $mask >> 1; 
} 
return $bstream; 
} 
public static function newFromBytes($size, $data){ 
$bstream = new QRbitstream(); 
$bstream->allocate($size * 8); 
$p=0; 
for($i=0; $i<$size; $i++) { 
$mask = 0x80; 
for($j=0; $j<8; $j++) { 
if($data[$i] & $mask) { 
$bstream->data[$p] = 1; 
} else { 
$bstream->data[$p] = 0; 
} 
$p++; 
$mask = $mask >> 1; 
} 
} 
return $bstream; 
} 
public function append(QRbitstream $arg){ 
if (is_null($arg)) { 
return -1; 
} 
if($arg->size() == 0) { 
return 0; 
} 
if($this->size() == 0) { 
$this->data = $arg->data; 
return 0; 
} 
$this->data = array_values(array_merge($this->data, $arg->data)); 
return 0; 
} 
public function appendNum($bits, $num){ 
if ($bits == 0) 
return 0; 
$b = QRbitstream::newFromNum($bits, $num); 
if(is_null($b)) 
return -1; 
$ret = $this->append($b); 
unset($b); 
return $ret; 
} 
public function appendBytes($size, $data){ 
if ($size == 0) 
return 0; 
$b = QRbitstream::newFromBytes($size, $data); 
if(is_null($b)) 
return -1; 
$ret = $this->append($b); 
unset($b); 
return $ret; 
} 
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; 
} 
} 
class QRsplit { 
public $dataStr = ''; 
public $input; 
public $modeHint; 
public function __construct($dataStr, $input, $modeHint){ 
$this->dataStr = $dataStr; 
$this->input = $input; 
$this->modeHint = $modeHint; 
} 
public static function isdigitat($str, $pos){ 
if ($pos >= strlen($str)) 
return false; 
return ((ord($str[$pos]) >= ord('0'))&&(ord($str[$pos]) <= ord('9'))); 
} 
public static function isalnumat($str, $pos){ 
if ($pos >= strlen($str)) 
return false; 
return (QRinput::lookAnTable(ord($str[$pos])) >= 0); 
} 
public function identifyMode($pos){ 
if ($pos >= strlen($this->dataStr)) 
return QR_MODE_NUL; 
$c = $this->dataStr[$pos]; 
if(self::isdigitat($this->dataStr, $pos)) { 
return QR_MODE_NUM; 
} else if(self::isalnumat($this->dataStr, $pos)) { 
return QR_MODE_AN; 
} else if($this->modeHint == QR_MODE_KANJI) { 
if ($pos+1 < strlen($this->dataStr)) 
{ 
$d = $this->dataStr[$pos+1]; 
$word = (ord($c) << 8) | ord($d); 
if(($word >= 0x8140 && $word <= 0x9ffc) || ($word >= 0xe040 && $word <= 0xebbf)) { 
return QR_MODE_KANJI; 
} 
} 
} 
return QR_MODE_8; 
} 
public function eatNum(){ 
$ln = QRspec::lengthIndicator(QR_MODE_NUM, $this->input->getVersion()); 
$p = 0; 
while(self::isdigitat($this->dataStr, $p)) { 
$p++; 
} 
$run = $p; 
$mode = $this->identifyMode($p); 
if($mode == QR_MODE_8) { 
$dif = QRinput::estimateBitsModeNum($run) + 4 + $ln 
+ QRinput::estimateBitsMode8(1) // + 4 + l8 
- QRinput::estimateBitsMode8($run + 1); // - 4 - l8 
if($dif > 0) { 
return $this->eat8(); 
} 
} 
if($mode == QR_MODE_AN) { 
$dif = QRinput::estimateBitsModeNum($run) + 4 + $ln 
+ QRinput::estimateBitsModeAn(1) // + 4 + la 
- QRinput::estimateBitsModeAn($run + 1);// - 4 - la 
if($dif > 0) { 
return $this->eatAn(); 
} 
} 
$ret = $this->input->append(QR_MODE_NUM, $run, str_split($this->dataStr)); 
if($ret < 0) 
return -1; 
return $run; 
} 
public function eatAn(){ 
$la = QRspec::lengthIndicator(QR_MODE_AN, $this->input->getVersion()); 
$ln = QRspec::lengthIndicator(QR_MODE_NUM, $this->input->getVersion()); 
$p = 0; 
while(self::isalnumat($this->dataStr, $p)) { 
if(self::isdigitat($this->dataStr, $p)) { 
$q = $p; 
while(self::isdigitat($this->dataStr, $q)) { 
$q++; 
} 
$dif = QRinput::estimateBitsModeAn($p) // + 4 + la 
+ QRinput::estimateBitsModeNum($q - $p) + 4 + $ln 
- QRinput::estimateBitsModeAn($q); // - 4 - la 
if($dif < 0) { 
break; 
} else { 
$p = $q; 
} 
} else { 
$p++; 
} 
} 
$run = $p; 
if(!self::isalnumat($this->dataStr, $p)) { 
$dif = QRinput::estimateBitsModeAn($run) + 4 + $la 
+ QRinput::estimateBitsMode8(1) // + 4 + l8 
- QRinput::estimateBitsMode8($run + 1); // - 4 - l8 
if($dif > 0) { 
return $this->eat8(); 
} 
} 
$ret = $this->input->append(QR_MODE_AN, $run, str_split($this->dataStr)); 
if($ret < 0) 
return -1; 
return $run; 
} 
public function eatKanji(){ 
$p = 0; 
while($this->identifyMode($p) == QR_MODE_KANJI) { 
$p += 2; 
} 
$ret = $this->input->append(QR_MODE_KANJI, $p, str_split($this->dataStr)); 
if($ret < 0) 
return -1; 
return $run; 
} 
public function eat8(){ 
$la = QRspec::lengthIndicator(QR_MODE_AN, $this->input->getVersion()); 
$ln = QRspec::lengthIndicator(QR_MODE_NUM, $this->input->getVersion()); 
$p = 1; 
$dataStrLen = strlen($this->dataStr); 
while($p < $dataStrLen) { 
$mode = $this->identifyMode($p); 
if($mode == QR_MODE_KANJI) { 
break; 
} 
if($mode == QR_MODE_NUM) { 
$q = $p; 
while(self::isdigitat($this->dataStr, $q)) { 
$q++; 
} 
$dif = QRinput::estimateBitsMode8($p) // + 4 + l8 
+ QRinput::estimateBitsModeNum($q - $p) + 4 + $ln 
- QRinput::estimateBitsMode8($q); // - 4 - l8 
if($dif < 0) { 
break; 
} else { 
$p = $q; 
} 
} else if($mode == QR_MODE_AN) { 
$q = $p; 
while(self::isalnumat($this->dataStr, $q)) { 
$q++; 
} 
$dif = QRinput::estimateBitsMode8($p) // + 4 + l8 
+ QRinput::estimateBitsModeAn($q - $p) + 4 + $la 
- QRinput::estimateBitsMode8($q); // - 4 - l8 
if($dif < 0) { 
break; 
} else { 
$p = $q; 
} 
} else { 
$p++; 
} 
} 
$run = $p; 
$ret = $this->input->append(QR_MODE_8, $run, str_split($this->dataStr)); 
if($ret < 0) 
return -1; 
return $run; 
} 
public function splitString(){ 
while (strlen($this->dataStr) > 0) 
{ 
if($this->dataStr == '') 
return 0; 
$mode = $this->identifyMode(0); 
switch ($mode) { 
case QR_MODE_NUM: $length = $this->eatNum(); break; 
case QR_MODE_AN: $length = $this->eatAn(); break; 
case QR_MODE_KANJI: 
if ($hint == QR_MODE_KANJI) 
$length = $this->eatKanji(); 
else $length = $this->eat8(); 
break; 
default: $length = $this->eat8(); break; 
} 
if($length == 0) return 0; 
if($length < 0) return -1; 
$this->dataStr = substr($this->dataStr, $length); 
} 
} 
public function toUpper(){ 
$stringLen = strlen($this->dataStr); 
$p = 0; 
while ($p<$stringLen) { 
$mode = self::identifyMode(substr($this->dataStr, $p), $this->modeHint); 
if($mode == QR_MODE_KANJI) { 
$p += 2; 
} else { 
if (ord($this->dataStr[$p]) >= ord('a') && ord($this->dataStr[$p]) <= ord('z')) { 
$this->dataStr[$p] = chr(ord($this->dataStr[$p]) - 32); 
} 
$p++; 
} 
} 
return $this->dataStr; 
} 
public static function splitStringToQRinput($string, QRinput $input, $modeHint, $casesensitive = true){ 
if(is_null($string) || $string == '\0' || $string == '') { 
throw new Exception('empty string!!!'); 
} 
$split = new QRsplit($string, $input, $modeHint); 
if(!$casesensitive) 
$split->toUpper(); 
return $split->splitString(); 
} 
} 
class QRrsItem { 
public $mm; // Bits per symbol 
public $nn; // Symbols per block (= (1<<mm)-1) 
public $alpha_to = array(); // log lookup table 
public $index_of = array(); // Antilog lookup table 
public $genpoly = array(); // Generator polynomial 
public $nroots; // Number of generator roots = number of parity symbols 
public $fcr; // First consecutive root, index form 
public $prim; // Primitive element, index form 
public $iprim; // prim-th root of 1, index form 
public $pad; // Padding bytes in shortened block 
public $gfpoly; 
public function modnn($x){ 
while ($x >= $this->nn) { 
$x -= $this->nn; 
$x = ($x >> $this->mm) + ($x & $this->nn); 
} 
return $x; 
} 
public static function init_rs_char($symsize, $gfpoly, $fcr, $prim, $nroots, $pad){ 
// Common code for intializing a Reed-Solomon control block (char or int symbols) 
// Copyright 2004 Phil Karn, KA9Q 
// May be used under the terms of the GNU Lesser General Public License (LGPL) 
$rs = null; 
// Check parameter ranges 
if($symsize < 0 || $symsize > 8) return $rs; 
if($fcr < 0 || $fcr >= (1<<$symsize)) return $rs; 
if($prim <= 0 || $prim >= (1<<$symsize)) return $rs; 
if($nroots < 0 || $nroots >= (1<<$symsize)) return $rs; // Can't have more roots than symbol values! 
if($pad < 0 || $pad >= ((1<<$symsize) -1 - $nroots)) return $rs; // Too much padding 
$rs = new QRrsItem(); 
$rs->mm = $symsize; 
$rs->nn = (1<<$symsize)-1; 
$rs->pad = $pad; 
$rs->alpha_to = array_fill(0, $rs->nn+1, 0); 
$rs->index_of = array_fill(0, $rs->nn+1, 0); 
// PHP style macro replacement ;) 
$NN =& $rs->nn; 
$A0 =& $NN; 
// Generate Galois field lookup tables 
$rs->index_of[0] = $A0; // log(zero) = -inf 
$rs->alpha_to[$A0] = 0; // alpha**-inf = 0 
$sr = 1; 
for($i=0; $i<$rs->nn; $i++) { 
$rs->index_of[$sr] = $i; 
$rs->alpha_to[$i] = $sr; 
$sr <<= 1; 
if($sr & (1<<$symsize)) { 
$sr ^= $gfpoly; 
} 
$sr &= $rs->nn; 
} 
if($sr != 1){ 
// field generator polynomial is not primitive! 
$rs = NULL; 
return $rs; 
} 
/* Form RS code generator polynomial from its roots */ 
$rs->genpoly = array_fill(0, $nroots+1, 0); 
$rs->fcr = $fcr; 
$rs->prim = $prim; 
$rs->nroots = $nroots; 
$rs->gfpoly = $gfpoly; 
/* Find prim-th root of 1, used in decoding */ 
for($iprim=1;($iprim % $prim) != 0;$iprim += $rs->nn) 
; // intentional empty-body loop! 
$rs->iprim = (int)($iprim / $prim); 
$rs->genpoly[0] = 1; 
for ($i = 0,$root=$fcr*$prim; $i < $nroots; $i++, $root += $prim) { 
$rs->genpoly[$i+1] = 1; 
// Multiply rs->genpoly[] by @**(root + x) 
for ($j = $i; $j > 0; $j--) { 
if ($rs->genpoly[$j] != 0) { 
$rs->genpoly[$j] = $rs->genpoly[$j-1] ^ $rs->alpha_to[$rs->modnn($rs->index_of[$rs->genpoly[$j]] + $root)]; 
} else { 
$rs->genpoly[$j] = $rs->genpoly[$j-1]; 
} 
} 
// rs->genpoly[0] can never be zero 
$rs->genpoly[0] = $rs->alpha_to[$rs->modnn($rs->index_of[$rs->genpoly[0]] + $root)]; 
} 
// convert rs->genpoly[] to index form for quicker encoding 
for ($i = 0; $i <= $nroots; $i++) 
$rs->genpoly[$i] = $rs->index_of[$rs->genpoly[$i]]; 
return $rs; 
} 
public function encode_rs_char($data, &$parity){ 
$MM =& $this->mm; 
$NN =& $this->nn; 
$ALPHA_TO =& $this->alpha_to; 
$INDEX_OF =& $this->index_of; 
$GENPOLY =& $this->genpoly; 
$NROOTS =& $this->nroots; 
$FCR =& $this->fcr; 
$PRIM =& $this->prim; 
$IPRIM =& $this->iprim; 
$PAD =& $this->pad; 
$A0 =& $NN; 
$parity = array_fill(0, $NROOTS, 0); 
for($i=0; $i< ($NN-$NROOTS-$PAD); $i++) { 
$feedback = $INDEX_OF[$data[$i] ^ $parity[0]]; 
if($feedback != $A0) { 
// feedback term is non-zero 
// This line is unnecessary when GENPOLY[NROOTS] is unity, as it must 
// always be for the polynomials constructed by init_rs() 
$feedback = $this->modnn($NN - $GENPOLY[$NROOTS] + $feedback); 
for($j=1;$j<$NROOTS;$j++) { 
$parity[$j] ^= $ALPHA_TO[$this->modnn($feedback + $GENPOLY[$NROOTS-$j])]; 
} 
} 
// Shift 
array_shift($parity); 
if($feedback != $A0) { 
array_push($parity, $ALPHA_TO[$this->modnn($feedback + $GENPOLY[0])]); 
} else { 
array_push($parity, 0); 
} 
} 
} 
} 
class QRrs { 
public static $items = array(); 
public static function init_rs($symsize, $gfpoly, $fcr, $prim, $nroots, $pad){ 
foreach(self::$items as $rs) { 
if($rs->pad != $pad) continue; 
if($rs->nroots != $nroots) continue; 
if($rs->mm != $symsize) continue; 
if($rs->gfpoly != $gfpoly) continue; 
if($rs->fcr != $fcr) continue; 
if($rs->prim != $prim) continue; 
return $rs; 
} 
$rs = QRrsItem::init_rs_char($symsize, $gfpoly, $fcr, $prim, $nroots, $pad); 
array_unshift(self::$items, $rs); 
return $rs; 
} 
} 
define('N1', 3); 
define('N2', 3); 
define('N3', 40); 
define('N4', 10); 
class QRmask { 
public $runLength = array(); 
//---------------------------------------------------------------------- 
public function __construct(){ 
$this->runLength = array_fill(0, QRSPEC_WIDTH_MAX + 1, 0); 
} 
public function writeFormatInformation($width, &$frame, $mask, $level){ 
$blacks = 0; 
$format = QRspec::getFormatInfo($mask, $level); 
for($i=0; $i<8; $i++) { 
if($format & 1) { 
$blacks += 2; 
$v = 0x85; 
} else { 
$v = 0x84; 
} 
$frame[8][$width - 1 - $i] = chr($v); 
if($i < 6) { 
$frame[$i][8] = chr($v); 
} else { 
$frame[$i + 1][8] = chr($v); 
} 
$format = $format >> 1; 
} 
for($i=0; $i<7; $i++) { 
if($format & 1) { 
$blacks += 2; 
$v = 0x85; 
} else { 
$v = 0x84; 
} 
$frame[$width - 7 + $i][8] = chr($v); 
if($i == 0) { 
$frame[8][7] = chr($v); 
} else { 
$frame[8][6 - $i] = chr($v); 
} 
$format = $format >> 1; 
} 
return $blacks; 
} 
public function mask0($x, $y) { return ($x+$y)&1; } 
public function mask1($x, $y) { return ($y&1); } 
public function mask2($x, $y) { return ($x%3); } 
public function mask3($x, $y) { return ($x+$y)%3; } 
public function mask4($x, $y) { return (((int)($y/2))+((int)($x/3)))&1; } 
public function mask5($x, $y) { return (($x*$y)&1)+($x*$y)%3; } 
public function mask6($x, $y) { return ((($x*$y)&1)+($x*$y)%3)&1; } 
public function mask7($x, $y) { return ((($x*$y)%3)+(($x+$y)&1))&1; } 
private function generateMaskNo($maskNo, $width, $frame){ 
$bitMask = array_fill(0, $width, array_fill(0, $width, 0)); 
for($y=0; $y<$width; $y++) { 
for($x=0; $x<$width; $x++) { 
if(ord($frame[$y][$x]) & 0x80) { 
$bitMask[$y][$x] = 0; 
} else { 
$maskFunc = call_user_func(array($this, 'mask'.$maskNo), $x, $y); 
$bitMask[$y][$x] = ($maskFunc == 0)?1:0; 
} 
} 
} 
return $bitMask; 
} 
public static function serial($bitFrame){ 
$codeArr = array(); 
foreach ($bitFrame as $line) 
$codeArr[] = join('', $line); 
return gzcompress(join("\n", $codeArr), 9); 
} 
public static function unserial($code){ 
$codeArr = array(); 
$codeLines = explode("\n", gzuncompress($code)); 
foreach ($codeLines as $line) 
$codeArr[] = str_split($line); 
return $codeArr; 
} 
public function makeMaskNo($maskNo, $width, $s, &$d, $maskGenOnly = false){ 
$b = 0; 
$bitMask = array(); 
$fileName = QR_CACHE_DIR.'mask_'.$maskNo.DIRECTORY_SEPARATOR.'mask_'.$width.'_'.$maskNo.'.dat'; 
if (QR_CACHEABLE) { 
if (file_exists($fileName)) { 
$bitMask = self::unserial(file_get_contents($fileName)); 
} else { 
$bitMask = $this->generateMaskNo($maskNo, $width, $s, $d); 
if (!file_exists(QR_CACHE_DIR.'mask_'.$maskNo)) 
mkdir(QR_CACHE_DIR.'mask_'.$maskNo); 
file_put_contents($fileName, self::serial($bitMask)); 
} 
} else { 
$bitMask = $this->generateMaskNo($maskNo, $width, $s, $d); 
} 
if ($maskGenOnly) 
return; 
$d = $s; 
for($y=0; $y<$width; $y++) { 
for($x=0; $x<$width; $x++) { 
if($bitMask[$y][$x] == 1) { 
$d[$y][$x] = chr(ord($s[$y][$x]) ^ (int)$bitMask[$y][$x]); 
} 
$b += (int)(ord($d[$y][$x]) & 1); 
} 
} 
return $b; 
} 
public function makeMask($width, $frame, $maskNo, $level){ 
$masked = array_fill(0, $width, str_repeat("\0", $width)); 
$this->makeMaskNo($maskNo, $width, $frame, $masked); 
$this->writeFormatInformation($width, $masked, $maskNo, $level); 
return $masked; 
} 
public function calcN1N3($length){ 
$demerit = 0; 
for($i=0; $i<$length; $i++) { 
if($this->runLength[$i] >= 5) { 
$demerit += (N1 + ($this->runLength[$i] - 5)); 
} 
if($i & 1) { 
if(($i >= 3) && ($i < ($length-2)) && ($this->runLength[$i] % 3 == 0)) { 
$fact = (int)($this->runLength[$i] / 3); 
if(($this->runLength[$i-2] == $fact) && 
($this->runLength[$i-1] == $fact) && 
($this->runLength[$i+1] == $fact) && 
($this->runLength[$i+2] == $fact)) { 
if(($this->runLength[$i-3] < 0) || ($this->runLength[$i-3] >= (4 * $fact))) { 
$demerit += N3; 
} else if((($i+3) >= $length) || ($this->runLength[$i+3] >= (4 * $fact))) { 
$demerit += N3; 
} 
} 
} 
} 
} 
return $demerit; 
} 
public function evaluateSymbol($width, $frame){ 
$head = 0; 
$demerit = 0; 
for($y=0; $y<$width; $y++) { 
$head = 0; 
$this->runLength[0] = 1; 
$frameY = $frame[$y]; 
if ($y>0) 
$frameYM = $frame[$y-1]; 
for($x=0; $x<$width; $x++) { 
if(($x > 0) && ($y > 0)) { 
$b22 = ord($frameY[$x]) & ord($frameY[$x-1]) & ord($frameYM[$x]) & ord($frameYM[$x-1]); 
$w22 = ord($frameY[$x]) | ord($frameY[$x-1]) | ord($frameYM[$x]) | ord($frameYM[$x-1]); 
if(($b22 | ($w22 ^ 1))&1) { 
$demerit += N2; 
} 
} 
if(($x == 0) && (ord($frameY[$x]) & 1)) { 
$this->runLength[0] = -1; 
$head = 1; 
$this->runLength[$head] = 1; 
} else if($x > 0) { 
if((ord($frameY[$x]) ^ ord($frameY[$x-1])) & 1) { 
$head++; 
$this->runLength[$head] = 1; 
} else { 
$this->runLength[$head]++; 
} 
} 
} 
$demerit += $this->calcN1N3($head+1); 
} 
for($x=0; $x<$width; $x++) { 
$head = 0; 
$this->runLength[0] = 1; 
for($y=0; $y<$width; $y++) { 
if($y == 0 && (ord($frame[$y][$x]) & 1)) { 
$this->runLength[0] = -1; 
$head = 1; 
$this->runLength[$head] = 1; 
} else if($y > 0) { 
if((ord($frame[$y][$x]) ^ ord($frame[$y-1][$x])) & 1) { 
$head++; 
$this->runLength[$head] = 1; 
} else { 
$this->runLength[$head]++; 
} 
} 
} 
$demerit += $this->calcN1N3($head+1); 
} 
return $demerit; 
} 
public function mask($width, $frame, $level){ 
$minDemerit = PHP_INT_MAX; 
$bestMaskNum = 0; 
$bestMask = array(); 
$checked_masks = array(0,1,2,3,4,5,6,7); 
if (QR_FIND_FROM_RANDOM !== false) { 
$howManuOut = 8-(QR_FIND_FROM_RANDOM % 9); 
for ($i = 0; $i < $howManuOut; $i++) { 
$remPos = rand (0, count($checked_masks)-1); 
unset($checked_masks[$remPos]); 
$checked_masks = array_values($checked_masks); 
} 
} 
$bestMask = $frame; 
foreach($checked_masks as $i) { 
$mask = array_fill(0, $width, str_repeat("\0", $width)); 
$demerit = 0; 
$blacks = 0; 
$blacks = $this->makeMaskNo($i, $width, $frame, $mask); 
$blacks += $this->writeFormatInformation($width, $mask, $i, $level); 
$blacks = (int)(100 * $blacks / ($width * $width)); 
$demerit = (int)((int)(abs($blacks - 50) / 5) * N4); 
$demerit += $this->evaluateSymbol($width, $mask); 
if($demerit < $minDemerit) { 
$minDemerit = $demerit; 
$bestMask = $mask; 
$bestMaskNum = $i; 
} 
} 
return $bestMask; 
} 
} 
class QRrsblock { 
public $dataLength; 
public $data = array(); 
public $eccLength; 
public $ecc = array(); 
public function __construct($dl, $data, $el, &$ecc, QRrsItem $rs){ 
$rs->encode_rs_char($data, $ecc); 
$this->dataLength = $dl; 
$this->data = $data; 
$this->eccLength = $el; 
$this->ecc = $ecc; 
} 
}; 
//########################################################################## 
class QRrawcode { 
public $version; 
public $datacode = array(); 
public $ecccode = array(); 
public $blocks; 
public $rsblocks = array(); //of RSblock 
public $count; 
public $dataLength; 
public $eccLength; 
public $b1; 
public function __construct(QRinput $input){ 
$spec = array(0,0,0,0,0); 
$this->datacode = $input->getByteStream(); 
if(is_null($this->datacode)) { 
throw new Exception('null imput string'); 
} 
QRspec::getEccSpec($input->getVersion(), $input->getErrorCorrectionLevel(), $spec); 
$this->version = $input->getVersion(); 
$this->b1 = QRspec::rsBlockNum1($spec); 
$this->dataLength = QRspec::rsDataLength($spec); 
$this->eccLength = QRspec::rsEccLength($spec); 
$this->ecccode = array_fill(0, $this->eccLength, 0); 
$this->blocks = QRspec::rsBlockNum($spec); 
$ret = $this->init($spec); 
if($ret < 0) { 
throw new Exception('block alloc error'); 
return null; 
} 
$this->count = 0; 
} 
public function init(array $spec){ 
$dl = QRspec::rsDataCodes1($spec); 
$el = QRspec::rsEccCodes1($spec); 
$rs = QRrs::init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el); 
$blockNo = 0; 
$dataPos = 0; 
$eccPos = 0; 
for($i=0; $i<QRspec::rsBlockNum1($spec); $i++) { 
$ecc = array_slice($this->ecccode,$eccPos); 
$this->rsblocks[$blockNo] = new QRrsblock($dl, array_slice($this->datacode, $dataPos), $el, $ecc, $rs); 
$this->ecccode = array_merge(array_slice($this->ecccode,0, $eccPos), $ecc); 
$dataPos += $dl; 
$eccPos += $el; 
$blockNo++; 
} 
if(QRspec::rsBlockNum2($spec) == 0) 
return 0; 
$dl = QRspec::rsDataCodes2($spec); 
$el = QRspec::rsEccCodes2($spec); 
$rs = QRrs::init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el); 
if($rs == NULL) return -1; 
for($i=0; $i<QRspec::rsBlockNum2($spec); $i++) { 
$ecc = array_slice($this->ecccode,$eccPos); 
$this->rsblocks[$blockNo] = new QRrsblock($dl, array_slice($this->datacode, $dataPos), $el, $ecc, $rs); 
$this->ecccode = array_merge(array_slice($this->ecccode,0, $eccPos), $ecc); 
$dataPos += $dl; 
$eccPos += $el; 
$blockNo++; 
} 
return 0; 
} 
public function getCode(){ 
$ret; 
if($this->count < $this->dataLength) { 
$row = $this->count % $this->blocks; 
$col = $this->count / $this->blocks; 
if($col >= $this->rsblocks[0]->dataLength) { 
$row += $this->b1; 
} 
$ret = $this->rsblocks[$row]->data[$col]; 
} else if($this->count < $this->dataLength + $this->eccLength) { 
$row = ($this->count - $this->dataLength) % $this->blocks; 
$col = ($this->count - $this->dataLength) / $this->blocks; 
$ret = $this->rsblocks[$row]->ecc[$col]; 
} else { 
return 0; 
} 
$this->count++; 
return $ret; 
} 
} 
class QRcode { 
public $version; 
public $width; 
public $data; 
public function encodeMask(QRinput $input, $mask){ 
if($input->getVersion() < 0 || $input->getVersion() > QRSPEC_VERSION_MAX) { 
throw new Exception('wrong version'); 
} 
if($input->getErrorCorrectionLevel() > QR_ECLEVEL_H) { 
throw new Exception('wrong level'); 
} 
$raw = new QRrawcode($input); 
QRtools::markTime('after_raw'); 
$version = $raw->version; 
$width = QRspec::getWidth($version); 
$frame = QRspec::newFrame($version); 
$filler = new FrameFiller($width, $frame); 
if(is_null($filler)) { 
return NULL; 
} 
// inteleaved data and ecc codes 
for($i=0; $i<$raw->dataLength + $raw->eccLength; $i++) { 
$code = $raw->getCode(); 
$bit = 0x80; 
for($j=0; $j<8; $j++) { 
$addr = $filler->next(); 
$filler->setFrameAt($addr, 0x02 | (($bit & $code) != 0)); 
$bit = $bit >> 1; 
} 
} 
QRtools::markTime('after_filler'); 
unset($raw); 
// remainder bits 
$j = QRspec::getRemainder($version); 
for($i=0; $i<$j; $i++) { 
$addr = $filler->next(); 
$filler->setFrameAt($addr, 0x02); 
} 
$frame = $filler->frame; 
unset($filler); 
// masking 
$maskObj = new QRmask(); 
if($mask < 0) { 
if (QR_FIND_BEST_MASK) { 
$masked = $maskObj->mask($width, $frame, $input->getErrorCorrectionLevel()); 
} else { 
$masked = $maskObj->makeMask($width, $frame, (intval(QR_DEFAULT_MASK) % 8), $input->getErrorCorrectionLevel()); 
} 
} else { 
$masked = $maskObj->makeMask($width, $frame, $mask, $input->getErrorCorrectionLevel()); 
} 
if($masked == NULL) { 
return NULL; 
} 
QRtools::markTime('after_mask'); 
$this->version = $version; 
$this->width = $width; 
$this->data = $masked; 
return $this; 
} 
public function encodeInput(QRinput $input){ 
return $this->encodeMask($input, -1); 
} 
public function encodeString8bit($string, $version, $level){ 
if(string == NULL) { 
throw new Exception('empty string!'); 
return NULL; 
} 
$input = new QRinput($version, $level); 
if($input == NULL) return NULL; 
$ret = $input->append($input, QR_MODE_8, strlen($string), str_split($string)); 
if($ret < 0) { 
unset($input); 
return NULL; 
} 
return $this->encodeInput($input); 
} 
public function encodeString($string, $version, $level, $hint, $casesensitive){ 
if($hint != QR_MODE_8 && $hint != QR_MODE_KANJI) { 
throw new Exception('bad hint'); 
return NULL; 
} 
$input = new QRinput($version, $level); 
if($input == NULL) return NULL; 
$ret = QRsplit::splitStringToQRinput($string, $input, $hint, $casesensitive); 
if($ret < 0) { 
return NULL; 
} 
return $this->encodeInput($input); 
} 
public static function png($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4, $saveandprint=false){ 
$enc = QRencode::factory($level, $size, $margin); 
return $enc->encodePNG($text, $outfile, $saveandprint=false); 
} 
public static function text($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4){ 
$enc = QRencode::factory($level, $size, $margin); 
return $enc->encode($text, $outfile); 
} 
public static function raw($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4){ 
$enc = QRencode::factory($level, $size, $margin); 
return $enc->encodeRAW($text, $outfile); 
} 
} 
class FrameFiller { 
public $width; 
public $frame; 
public $x; 
public $y; 
public $dir; 
public $bit; 
public function __construct($width, &$frame){ 
$this->width = $width; 
$this->frame = $frame; 
$this->x = $width - 1; 
$this->y = $width - 1; 
$this->dir = -1; 
$this->bit = -1; 
} 
public function setFrameAt($at, $val){ 
$this->frame[$at['y']][$at['x']] = chr($val); 
} 
public function getFrameAt($at){ 
return ord($this->frame[$at['y']][$at['x']]); 
} 
public function next(){ 
do { 
if($this->bit == -1) { 
$this->bit = 0; 
return array('x'=>$this->x, 'y'=>$this->y); 
} 
$x = $this->x; 
$y = $this->y; 
$w = $this->width; 
if($this->bit == 0) { 
$x--; 
$this->bit++; 
} else { 
$x++; 
$y += $this->dir; 
$this->bit--; 
} 
if($this->dir < 0) { 
if($y < 0) { 
$y = 0; 
$x -= 2; 
$this->dir = 1; 
if($x == 6) { 
$x--; 
$y = 9; 
} 
} 
} else { 
if($y == $w) { 
$y = $w - 1; 
$x -= 2; 
$this->dir = -1; 
if($x == 6) { 
$x--; 
$y -= 8; 
} 
} 
} 
if($x < 0 || $y < 0) return null; 
$this->x = $x; 
$this->y = $y; 
} while(ord($this->frame[$y][$x]) & 0x80); 
return array('x'=>$x, 'y'=>$y); 
} 
} ; 
class QRencode { 
public $casesensitive = true; 
public $eightbit = false; 
public $version = 0; 
public $size = 3; 
public $margin = 4; 
public $structured = 0; // not supported yet 
public $level = QR_ECLEVEL_L; 
public $hint = QR_MODE_8; 
public static function factory($level = QR_ECLEVEL_L, $size = 3, $margin = 4){ 
$enc = new QRencode(); 
$enc->size = $size; 
$enc->margin = $margin; 
switch ($level.'') { 
case '0': 
case '1': 
case '2': 
case '3': 
$enc->level = $level; 
break; 
case 'l': 
case 'L': 
$enc->level = QR_ECLEVEL_L; 
break; 
case 'm': 
case 'M': 
$enc->level = QR_ECLEVEL_M; 
break; 
case 'q': 
case 'Q': 
$enc->level = QR_ECLEVEL_Q; 
break; 
case 'h': 
case 'H': 
$enc->level = QR_ECLEVEL_H; 
break; 
} 
return $enc; 
} 
public function encodeRAW($intext, $outfile = false){ 
$code = new QRcode(); 
if($this->eightbit) { 
$code->encodeString8bit($intext, $this->version, $this->level); 
} else { 
$code->encodeString($intext, $this->version, $this->level, $this->hint, $this->casesensitive); 
} 
return $code->data; 
} 
public function encode($intext, $outfile = false){ 
$code = new QRcode(); 
if($this->eightbit) { 
$code->encodeString8bit($intext, $this->version, $this->level); 
} else { 
$code->encodeString($intext, $this->version, $this->level, $this->hint, $this->casesensitive); 
} 
QRtools::markTime('after_encode'); 
if ($outfile!== false) { 
file_put_contents($outfile, join("\n", QRtools::binarize($code->data))); 
} else { 
return QRtools::binarize($code->data); 
} 
} 
public function encodePNG($intext, $outfile = false,$saveandprint=false){ 
try { 
ob_start(); 
$tab = $this->encode($intext); 
$err = ob_get_contents(); 
ob_end_clean(); 
if ($err != '') 
QRtools::log($outfile, $err); 
$maxSize = (int)(QR_PNG_MAXIMUM_SIZE / (count($tab)+2*$this->margin)); 
QRimage::png($tab, $outfile, min(max(1, $this->size), $maxSize), $this->margin,$saveandprint); 
} catch (Exception $e) { 
QRtools::log($outfile, $e->getMessage()); 
} 
} 
}

将上面的代码保存为 class_qrcode.php
调用方法:

Require("class_qrcode.php"); 
QRcode::png($Arr[1].$Arr[2],$fle,"Q",6,2);

效果演示:

说明:

因为这个类的代码太长了,每次发布的时候cnblog都报错,所以只好使用代码加密的方式,已达到缩短代码的目的