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<?php
// +-----------------------------------------------------------------------+
// | functions_metadata.inc.php |
// +-----------------------------------------------------------------------+
// | application : PhpWebGallery <http://phpwebgallery.net> |
// | branch : BSF (Best So Far) |
// +-----------------------------------------------------------------------+
// | file : $RCSfile$
// | last update : $Date$
// | last modifier : $Author$
// | revision : $Revision$
// +-----------------------------------------------------------------------+
// | This program is free software; you can redistribute it and/or modify |
// | it under the terms of the GNU General Public License as published by |
// | the Free Software Foundation |
// | |
// | This program 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 |
// | General Public License for more details. |
// | |
// | You should have received a copy of the GNU General Public License |
// | along with this program; if not, write to the Free Software |
// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
// | USA. |
// +-----------------------------------------------------------------------+
/**
* returns informations from IPTC metadata, mapping is done at the beginning
* of the function
*
* @param string $filename
* @return array
*/
function get_iptc_data($filename, $map)
{
$result = array();
// Read IPTC data
$iptc = array();
$imginfo = array();
getimagesize($filename, $imginfo);
if (isset($imginfo['APP13']))
{
$iptc = iptcparse($imginfo['APP13']);
if (is_array($iptc))
{
$rmap = array_flip($map);
foreach (array_keys($rmap) as $iptc_key)
{
if (isset($iptc[$iptc_key][0]) and $value = $iptc[$iptc_key][0])
{
// strip leading zeros (weird Kodak Scanner software)
while ($value[0] == chr(0))
{
$value = substr($value, 1);
}
// remove binary nulls
$value = str_replace(chr(0x00), ' ', $value);
foreach (array_keys($map, $iptc_key) as $pwg_key)
{
$result[$pwg_key] = $value;
}
}
}
}
}
return $result;
}
?>
|
