source: trunk/tools/metadata.php @ 19937

Last change on this file since 19937 was 19703, checked in by plg, 12 years ago

update Piwigo headers to 2013 (the end of the world didn't occur as expected on r12922)

  • Property svn:eol-style set to LF
File size: 3.0 KB
Line 
1<?php
2// +-----------------------------------------------------------------------+
3// | Piwigo - a PHP based photo gallery                                    |
4// +-----------------------------------------------------------------------+
5// | Copyright(C) 2008-2013 Piwigo Team                  http://piwigo.org |
6// | Copyright(C) 2003-2008 PhpWebGallery Team    http://phpwebgallery.net |
7// | Copyright(C) 2002-2003 Pierrick LE GALL   http://le-gall.net/pierrick |
8// +-----------------------------------------------------------------------+
9// | This program is free software; you can redistribute it and/or modify  |
10// | it under the terms of the GNU General Public License as published by  |
11// | the Free Software Foundation                                          |
12// |                                                                       |
13// | This program is distributed in the hope that it will be useful, but   |
14// | WITHOUT ANY WARRANTY; without even the implied warranty of            |
15// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      |
16// | General Public License for more details.                              |
17// |                                                                       |
18// | You should have received a copy of the GNU General Public License     |
19// | along with this program; if not, write to the Free Software           |
20// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
21// | USA.                                                                  |
22// +-----------------------------------------------------------------------+
23
24$filename = 'sample.jpg';
25echo 'Informations are read from '.$filename.'<br><br><br>';
26
27/**
28 * return a cleaned IPTC value
29 *
30 * @param string value
31 * @return string
32 */
33function clean_iptc_value($value)
34{
35  // strip leading zeros (weird Kodak Scanner software)
36  while ( isset($value[0]) and $value[0] == chr(0))
37  {
38    $value = substr($value, 1);
39  }
40  // remove binary nulls
41  $value = str_replace(chr(0x00), ' ', $value);
42
43  return $value;
44}
45
46$iptc_result = array();
47$imginfo = array();
48getimagesize($filename, $imginfo);
49if (isset($imginfo['APP13']))
50{
51  $iptc = iptcparse($imginfo['APP13']);
52  if (is_array($iptc))
53  {
54    foreach (array_keys($iptc) as $iptc_key)
55    {
56      if (isset($iptc[$iptc_key][0]))
57      {
58        if ($iptc_key == '2#025')
59        {
60          $value = implode(
61            ',',
62            array_map(
63              'clean_iptc_value',
64              $iptc[$iptc_key]
65              )
66            );
67        }
68        else
69        {
70          $value = clean_iptc_value($iptc[$iptc_key][0]);
71        }
72       
73        $iptc_result[$iptc_key] = $value;
74      }
75    }
76  }
77
78  echo 'IPTC Fields in '.$filename.'<br>';
79  $keys = array_keys($iptc_result);
80  sort($keys);
81  foreach ($keys as $key)
82  {
83    echo '<br>'.$key.' = '.$iptc_result[$key];
84  }
85}
86else
87{
88  echo 'no IPTC information';
89}
90
91echo '<br><br><br>';
92echo 'EXIF Fields in '.$filename.'<br>';
93$exif = read_exif_data($filename);
94echo '<pre>';
95print_r($exif);
96echo '</pre>';
97?>
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