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<?php
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// +-----------------------------------------------------------------------+
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// | PhpWebGallery - a PHP based picture gallery                           |
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// | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net |
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// | Copyright (C) 2003-2005 PhpWebGallery Team - http://phpwebgallery.net |
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// +-----------------------------------------------------------------------+
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// | branch        : BSF (Best So Far)
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// | file          : $RCSfile: metadata.php,v $
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// | last update   : $Date: 2005/01/07 23:10:51 $
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// | last modifier : $Author: plg $
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// | revision      : $Revision: 1.3 $
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// +-----------------------------------------------------------------------+
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// | This program is free software; you can redistribute it and/or modify  |
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// | it under the terms of the GNU General Public License as published by  |
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// | the Free Software Foundation                                          |
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// |                                                                       |
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// | This program is distributed in the hope that it will be useful, but   |
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// | WITHOUT ANY WARRANTY; without even the implied warranty of            |
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// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      |
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// | General Public License for more details.                              |
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// |                                                                       |
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// | You should have received a copy of the GNU General Public License     |
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// | along with this program; if not, write to the Free Software           |
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// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
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// | USA.                                                                  |
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// +-----------------------------------------------------------------------+
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$filename = 'sample.jpg';
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echo 'Informations are read from '.$filename.'<br /><br /><br />';
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$iptc_result = array();
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$imginfo = array();
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getimagesize($filename, $imginfo);
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if (isset($imginfo['APP13']))
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{
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  $iptc = iptcparse($imginfo['APP13']);
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  if (is_array($iptc))
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  {
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    foreach (array_keys($iptc) as $iptc_key)
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    {
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      if (isset($iptc[$iptc_key][0]) and $value = $iptc[$iptc_key][0])
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      {
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        // strip leading zeros (weird Kodak Scanner software)
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        while ($value[0] == chr(0))
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        {
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          $value = substr($value, 1);
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        }
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        // remove binary nulls
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        $value = str_replace(chr(0x00), ' ', $value);
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      }
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      $iptc_result[$iptc_key] = $value;
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    }
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  }
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  echo 'IPTC Fields in '.$filename.'<br />';
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  $keys = array_keys($iptc_result);
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  sort($keys);
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  foreach ($keys as $key)
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  {
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    echo '<br />'.$key.' = '.$iptc_result[$key];
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  }
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}
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else
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{
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  echo 'no IPTC information';
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}
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echo '<br /><br /><br />';
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echo 'EXIF Fields in '.$filename.'<br />';
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$exif = read_exif_data($filename);
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echo '<pre>';
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print_r($exif);
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echo '</pre>';
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?>