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fb70f26e AD |
1 | <?php |
2 | /*\r | |
3 | * PHP QR Code encoder\r | |
4 | *\r | |
5 | * Exemplatory usage\r | |
6 | *\r | |
7 | * PHP QR Code is distributed under LGPL 3\r | |
8 | * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>\r | |
9 | *\r | |
10 | * This library is free software; you can redistribute it and/or\r | |
11 | * modify it under the terms of the GNU Lesser General Public\r | |
12 | * License as published by the Free Software Foundation; either\r | |
13 | * version 3 of the License, or any later version.\r | |
14 | *\r | |
15 | * This library is distributed in the hope that it will be useful,\r | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of\r | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\r | |
18 | * Lesser General Public License for more details.\r | |
19 | *\r | |
20 | * You should have received a copy of the GNU Lesser General Public\r | |
21 | * License along with this library; if not, write to the Free Software\r | |
22 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA\r | |
23 | */\r | |
24 | \r | |
25 | echo "<h1>PHP QR Code</h1><hr/>"; | |
26 | \r | |
27 | //set it to writable location, a place for temp generated PNG files\r | |
28 | $PNG_TEMP_DIR = dirname(__FILE__).DIRECTORY_SEPARATOR.'temp'.DIRECTORY_SEPARATOR;\r | |
29 | \r | |
30 | //html PNG location prefix\r | |
31 | $PNG_WEB_DIR = 'temp/';\r | |
32 | \r | |
33 | include "qrlib.php"; \r | |
34 | \r | |
35 | //ofcourse we need rights to create temp dir\r | |
36 | if (!file_exists($PNG_TEMP_DIR))\r | |
37 | mkdir($PNG_TEMP_DIR); | |
38 | \r | |
39 | \r | |
40 | $filename = $PNG_TEMP_DIR.'test.png';\r | |
41 | \r | |
42 | //processing form input\r | |
43 | //remember to sanitize user input in real-life solution !!!\r | |
44 | $errorCorrectionLevel = 'L';\r | |
45 | if (isset($_REQUEST['level']) && in_array($_REQUEST['level'], array('L','M','Q','H')))\r | |
46 | $errorCorrectionLevel = $_REQUEST['level']; \r | |
47 | \r | |
48 | $matrixPointSize = 4;\r | |
49 | if (isset($_REQUEST['size']))\r | |
50 | $matrixPointSize = min(max((int)$_REQUEST['size'], 1), 10);\r | |
51 | \r | |
52 | ||
53 | if (isset($_REQUEST['data'])) { \r | |
54 | \r | |
55 | //it's very important!\r | |
56 | if (trim($_REQUEST['data']) == '')\r | |
57 | die('data cannot be empty! <a href="?">back</a>');\r | |
58 | ||
59 | // user data\r | |
60 | $filename = $PNG_TEMP_DIR.'test'.md5($_REQUEST['data'].'|'.$errorCorrectionLevel.'|'.$matrixPointSize).'.png'; | |
61 | QRcode::png($_REQUEST['data'], $filename, $errorCorrectionLevel, $matrixPointSize, 2); \r | |
62 | ||
63 | } else { \r | |
64 | \r | |
65 | //default data | |
66 | echo 'You can provide data in GET parameter: <a href="?data=like_that">like that</a><hr/>'; | |
67 | QRcode::png('PHP QR Code :)', $filename, $errorCorrectionLevel, $matrixPointSize, 2); \r | |
68 | ||
69 | } | |
70 | \r | |
71 | //display generated file | |
72 | echo '<img src="'.$PNG_WEB_DIR.basename($filename).'" /><hr/>'; \r | |
73 | \r | |
74 | //config form\r | |
75 | echo '<form action="index.php" method="post">\r | |
76 | Data: <input name="data" value="'.(isset($_REQUEST['data'])?htmlspecialchars($_REQUEST['data']):'PHP QR Code :)').'" /> \r | |
77 | ECC: <select name="level">\r | |
78 | <option value="L"'.(($errorCorrectionLevel=='L')?' selected':'').'>L - smallest</option>\r | |
79 | <option value="M"'.(($errorCorrectionLevel=='M')?' selected':'').'>M</option>\r | |
80 | <option value="Q"'.(($errorCorrectionLevel=='Q')?' selected':'').'>Q</option>\r | |
81 | <option value="H"'.(($errorCorrectionLevel=='H')?' selected':'').'>H - best</option>\r | |
82 | </select> \r | |
83 | Size: <select name="size">';\r | |
84 | \r | |
85 | for($i=1;$i<=10;$i++)\r | |
86 | echo '<option value="'.$i.'"'.(($matrixPointSize==$i)?' selected':'').'>'.$i.'</option>';\r | |
87 | \r | |
88 | echo '</select> \r | |
89 | <input type="submit" value="GENERATE"></form><hr/>';\r | |
90 | \r | |
91 | // benchmark | |
92 | QRtools::timeBenchmark(); | |
93 | ||
94 |