<?php
include '../lib/full/qrlib.php';
include 'config.php';
// Saving SVG to file, demo with sourcecode preview
$tempDir = EXAMPLE_TMP_SERVERPATH;
$dataText = 'PHP QR Code :)';
$svgTagId = 'id-of-svg';
$saveToFile = '203_demo.svg';
// it is saved to file but also returned from function
$svgCode = QRcode::svg($dataText, false, $tempDir . $saveToFile);
$svgCodeFromFile = file_get_contents($tempDir . $saveToFile);
// taken from: http://php.net/manual/en/function.highlight-string.php by: Dobromir Velev
function xml_highlight($s)
{
$s = preg_replace("|<([^/?])(.*)\\s(.*)>|isU", "[1]<[2]\\1\\2[/2] [5]\\3[/5]>[/1]", $s);
$s = preg_replace("|</(.*)>|isU", "[1]</[2]\\1[/2]>[/1]", $s);
$s = preg_replace("|<\\?(.*)\\?>|isU", "[3]<?\\1?>[/3]", $s);
$s = preg_replace("|\\=\"(.*)\"|isU", "[6]=[/6][4]\"\\1\"[/4]", $s);
$s = htmlspecialchars($s);
$s = str_replace("\t", " ", $s);
$s = str_replace(" ", " ", $s);
$replace = array(1 => '0000FF', 2 => '0000FF', 3 => '800000', 4 => '00AA00', 5 => 'FF0000', 6 => '0000FF');
foreach ($replace as $k => $v) {
$s = preg_replace("|\\[" . $k . "\\](.*)\\[/" . $k . "\\]|isU", "<font color=\"#" . $v . "\">\\1</font>", $s);
}
return nl2br($s);
}
// tag output
echo $svgCodeFromFile;
echo '<br/>';
public static function qrtest()
{
// Include only this file, remaining required files will be included from it
if (!class_exists("qrstr", FALSE)) {
require_once PATH_PHPQRCODE . "/qrlib.php";
}
//write code into file, Error corection lecer is lowest, L (one form: L,M,Q,H)
//each code square will be 4x4 pixels (4x zoom)
//code will have 2 code squares white boundary around
if (1) {
// Error correction level L : About 7% or less errors can be corrected.
// Error correction level M : About 15% or less errors can be corrected.
// Error correction level Q : About 25% or less errors can be corrected.
// Error correction level H : About 30% or less errors can be corrected.
$text = "http://www.nordita.org/guest/";
$filetype = "png";
// "png","svg","eps","txt"
if (!in_array($filetype, array("png", "svg", "eps", "txt"))) {
return FALSE;
}
$level = "H";
// "L" (default) ,"M", "Q", "H"
$pixelsize = 16;
// pixel size of each code square
$margin = 4;
// boundary width in number of code squares
$saveandprint = FALSE;
// TRUE = save to file and display in browser; FALSE = save to file only; redundant if $outfile=FALSE
$back_color = 0xffffff;
$fore_color = 0x0;
$cmyk = TRUE;
$filename = "qrcode";
$outfile = PATH_PHPQRCACHE . $filename . "." . $filetype;
// full file path or FALSE (only output on screen)
//$outfile = FALSE;
switch ($filetype) {
case "png":
QRcode::png($text, $outfile, $level, $pixelsize, $margin, $saveandprint, $back_color, $fore_color);
break;
case "eps":
QRcode::eps($text, $outfile, $level, $pixelsize, $margin, $saveandprint, $back_color, $fore_color, $cmyk);
break;
case "svg":
QRcode::svg($text, $outfile, $level, $pixelsize, $margin, $saveandprint, $back_color, $fore_color);
break;
case "txt":
QRcode::text($text, $outfile, $level, $pixelsize, $margin);
// black = "1", white = "0"
break;
}
// end switch
}
//same as above but outputs file directly into browser (with appr. header etc.)
//all other settings are default
//WARNING! it should be FIRST and ONLY output generated by script, otherwise
//rest of output will land inside PNG binary, breaking it for sure
if (0) {
QRcode::png("PHP QR Code :)");
}
//show benchmark
if (0) {
QRtools::timeBenchmark();
}
//rebuild cache
if (0) {
QRtools::buildCache();
}
//code generated in text mode - as a binary table
//then displayed out as HTML using Unicode block building chars :)
if (0) {
$qr = new QRencode();
$tab = $qr->encode('PHP QR Code :)');
QRspec::debug($tab, true);
}
}
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
include "qrlib.php";
if (isset($_REQUEST['svg'])) {
echo QRcode::svg("stuff", false, QR_ECLEVEL_H, 10, 1);
die;
}
echo "<h1>PHP QR Code</h1><hr/>";
//set it to writable location, a place for temp generated PNG files
$PNG_TEMP_DIR = dirname(__FILE__) . DIRECTORY_SEPARATOR . 'temp' . DIRECTORY_SEPARATOR;
//html PNG location prefix
$PNG_WEB_DIR = 'temp/';
//ofcourse we need rights to create temp dir
if (!file_exists($PNG_TEMP_DIR)) {
mkdir($PNG_TEMP_DIR);
}
$filename = $PNG_TEMP_DIR . 'test.png';
//processing form input
//remember to sanitize user input in real-life solution !!!
$errorCorrectionLevel = 'L';
public static function generateQR($uri, $data_path = null, $identifier_path = null)
{
/***
* Generate a QR code from a string
*
* @param string $uri
* @param string $data_path The path to the write directory
* @param string $identifier_path An optional subdirectory for paths; makes loops easier
* @returns array with the main results in "svg" and "raw" keys, with a Google fallback in the "url" key
***/
try {
require_once dirname(__FILE__) . '/../qr/qrlib.php';
if (!class_exists('Stronghash')) {
require_once dirname(__FILE__) . '/../core/stronghash/php-stronghash.php';
}
$salt = Stronghash::createSalt();
$persistent = !empty($data_path);
if (!$persistent) {
$tmp_dir = dirname(__FILE__) . DIRECTORY_SEPARATOR . 'temp' . DIRECTORY_SEPARATOR;
if (!file_exists($tmp_dir)) {
if (!mkdir($tmp_dir)) {
# Could not write to temporary path
throw new Exception("Could not write to '{$tmp_dir}'");
}
}
$web_dir = 'temp/';
$filename = $tmp_dir . sha1($salt) . '.png';
} else {
# Persistent file
$file = $sha1($salt . $uri);
if (substr($data_path, -1) != '/') {
$data_path .= DIRECTORY_SEPARATOR;
}
$full_path = empty($identifier_path) ? $data_path : $data_path . $identifier_path . DIRECTORY_SEPARATOR;
if (!file_exists($full_path)) {
if (!mkdir($full_path)) {
# Could not write to the storage path
throw new Exception("Could not write to '{$full_path}'");
}
}
$filename = $full_path . $file . '.png';
}
$svg = QRcode::svg($uri, false, QR_ECLEVEL_H, 8, 1);
if (function_exists('ImageCreate')) {
QRcode::png($uri, $filename, QR_ECLEVEL_H, 8, 1);
}
$raw = base64_encode(file_get_contents($filename));
$raw = 'data:image/png;base64,' . $raw;
if (!$persistent) {
unlink($filename);
}
# As a final option, get a URL fallback
# https://developers.google.com/chart/infographics/docs/qr_codes?csw=1
$url = 'https://chart.googleapis.com/chart?cht=qr&chs=500x500&chld=H&chl=' . $uri;
return array('status' => true, 'uri' => $uri, 'svg' => $svg, 'raw' => $raw, 'url' => $url);
} catch (Exception $e) {
return array('status' => false, 'human_error' => 'Unable to generate QR code', 'error' => $e->getMessage(), 'uri' => $uri, 'identifier' => $identifier, 'persistent' => $persistent);
}
}
if (ISQ::$social['googleplus']) {
echo '<span onclick="window.open(\'https://plus.google.com/share?url=' . $encoded_shorturl . '\',\'_blank\',\'width=550,height=380\')" class="button social-button googleplus" title="Share on LinkedIn">' . file_get_contents('public/images/googleplus.svg') . '</span>';
}
?>
</div>
<?php
if (ISQ::$general['qr']) {
?>
<!-- QR code -->
<h2><?php
yourls_e('QR code', 'isq_translation');
?>
</h2>
<p><?php
yourls_e('Share your link with external devices', 'isq_translation');
?>
</p>
<?php
// PHP QR Code is LGPL licensed
include 'public/phpqrcode/qrlib.php';
echo QRcode::svg($shorturl, 'url-qr-code', false, QR_ECLEVEL_L, '600');
}
?>
</div>
<?php
include 'footer.php';
<?php include '../lib/full/qrlib.php'; include 'config.php'; // Compressed SVGZ support $tempDir = EXAMPLE_TMP_SERVERPATH; $dataText = 'PHP QR Code :)'; $svgTagId = 'id-of-svg'; $saveToFile = '204_demo.svgz'; $width = false; // auto calculated $size = false; $margin = 4; $compress = true; // it is saved to file but also returned from function $svgCode = QRcode::svg($dataText, false, $tempDir . $saveToFile, QR_ECLEVEL_L, $width, $size, $margin, $compress); $svgCodeFromFile = file_get_contents($tempDir . $saveToFile); $sizeOrig = strlen($svgCode); $sizeGzip = strlen($svgCodeFromFile); $saved = ($sizeOrig + 1 - $sizeGzip) / ($sizeOrig + 1) * 100; echo '<b>Raw SVG size:</b> ' . $sizeOrig . ' B <br/>'; echo '<b>Compressed SVGZ size:</b> ' . $sizeGzip . ' B <br/>'; echo '<b>Saved:</b>: ' . number_format($saved, 3) . '%<br/>'; echo '<br/>Notice: your server need to be configured for SVGZ output - look into sfproxy.php<br/>'; echo '<iframe src="' . EXAMPLE_TMP_URLRELPATH . $saveToFile . '" style="width:98%;height:160px"></iframe>';
<?php
include '../lib/full/qrlib.php';
// SVG file format support
$svgCode = QRcode::svg('PHP QR Code :)');
echo $svgCode;
$shorturl = isset($return['shorturl']) ? $return['shorturl'] : '';
$message = isset($return['message']) ? $return['message'] : '';
$title = isset($return['title']) ? $return['title'] : '';
$status = isset($return['status']) ? $return['status'] : '';
// URL encoded links used in the social sharing buttons
$encoded_shorturl = urlencode($shorturl);
$encoded_title = urlencode($title);
// QR code shenanigans
if (ISQ::$general['qr']) {
// PHP QR Code is LGPL licensed
include 'public/phpqrcode/qrlib.php';
$qrContainerId = 'url-qr-code';
$saveToFile = false;
$imageWidth = 600;
// in pixels
$qrCode = QRcode::svg($url, $qrContainerId, $saveToFile, QR_ECLEVEL_L, $imageWidth);
}
?>
<div class="content">
<!-- Error reporting -->
<?php
isset($error) ? $error : '';
?>
<!-- Default output -->
<h2><?php
yourls_e('Your short URL', 'isq_translation');
?>
</h2>
/**
* @Route("/qrset/{qrset}/generate", name="generate_qr")
* @Secure(roles="ROLE_USER")
*/
public function generateQr(QrSet $qrset)
{
if ($this->getRequest()->get('quantity') == null) {
echo 'Quantity is required';
die;
}
$qrImages = array();
$toFlush = array($qrset);
for ($i = $qrset->getQrcodes()->count(); $i < $qrset->getQrcodes()->count() + (int) $this->getRequest()->get('quantity'); $i++) {
// Create the QR Entity
$qrCode = new QrCode();
$qrCode->setQrset($qrset);
$hash = hash_hmac('sha1', $qrset->getId() . '_' . $i, $qrset->getCourse()->getUser()->getPassword());
$qrCode->setCode($hash);
$this->container->get('doctrine')->getManager()->persist($qrCode);
$toFlush[] = $qrCode;
// Generate QR image based on the created entity
$qrImage = array();
$fileName = tempnam($this->container->getParameter("kernel.cache_dir"), 'qrimg');
$link = $this->container->get('router')->generate('redeem', array('hash' => $qrCode->getCode()), true);
\QRcode::svg($link, $fileName);
$qrImage['link'] = $qrCode->getCode();
$qrImage['svg'] = file_get_contents($fileName);
$xml = simplexml_load_string($qrImage['svg']);
$xml['width'] = 135;
$xml['height'] = 135;
$qrImage['svg'] = $xml->asXML();
$qrImages[] = $qrImage;
}
$this->container->get('doctrine')->getManager()->persist($qrset);
$this->container->get('doctrine')->getManager()->flush($toFlush);
$html = $this->container->get('templating')->render('PixelbonusSiteBundle:QR:qr_template.html.twig', array('qrImages' => $qrImages));
if ($this->getRequest()->get('html') == 'true') {
return new Response($html);
} else {
$pdf = $this->container->get('knp_snappy.pdf')->getOutputFromHtml($html);
return new Response($pdf, 200, array('Content-Type' => 'application/pdf', 'Content-Disposition' => sprintf('attachment;filename="%s.pdf"', 'qr')));
}
}
<?php // include php class for QR code generation include './phpqrcode.php'; // get bitcoin address $bitcoinaddress = htmlspecialchars($_GET["bitcoinaddress"]); // output page echo '<html><head><title>Bitcoin</title></head><body>'; echo '<div style="text-align:center;"><h1>Bitcoin</h1></div>'; echo '<p style="text-align:center;"><a href="bitcoin:' . $bitcoinaddress . '">bitcoin:' . $bitcoinaddress . '</a></p>'; echo '<p style="text-align:center;">'; QRcode::svg($bitcoinaddress, false, 'h', 5); echo '</p>'; echo '<p style="text-align:center;">Information: <a href="https://www.bitcoin.org" target="_blank">bitcoin.org</a></p>'; echo '</body></html>';