/**
* returns informations from IPTC metadata, mapping is done in this function.
*
* @param string $filename
* @param array $map
* @return array
*/
function get_iptc_data($filename, $map, $array_sep = ',')
{
global $conf;
$result = array();
$imginfo = array();
if (false == @getimagesize($filename, $imginfo)) {
return $result;
}
if (isset($imginfo['APP13'])) {
$iptc = iptcparse($imginfo['APP13']);
if (is_array($iptc)) {
$rmap = array_flip($map);
foreach (array_keys($rmap) as $iptc_key) {
if (isset($iptc[$iptc_key][0])) {
if ($iptc_key == '2#025') {
$value = implode($array_sep, array_map('clean_iptc_value', $iptc[$iptc_key]));
} else {
$value = clean_iptc_value($iptc[$iptc_key][0]);
}
foreach (array_keys($map, $iptc_key) as $pwg_key) {
$result[$pwg_key] = $value;
if (!$conf['allow_html_in_metadata']) {
// in case the origin of the photo is unsecure (user upload), we
// remove HTML tags to avoid XSS (malicious execution of
// javascript)
$result[$pwg_key] = strip_tags($result[$pwg_key]);
}
}
}
}
}
}
return $result;
}
// remove binary nulls
$value = str_replace(chr(0x0), ' ', $value);
return $value;
}
$iptc_result = array();
$imginfo = array();
getimagesize($filename, $imginfo);
if (isset($imginfo['APP13'])) {
$iptc = iptcparse($imginfo['APP13']);
if (is_array($iptc)) {
foreach (array_keys($iptc) as $iptc_key) {
if (isset($iptc[$iptc_key][0])) {
if ($iptc_key == '2#025') {
$value = implode(',', array_map('clean_iptc_value', $iptc[$iptc_key]));
} else {
$value = clean_iptc_value($iptc[$iptc_key][0]);
}
$iptc_result[$iptc_key] = $value;
}
}
}
echo 'IPTC Fields in ' . $filename . '<br>';
$keys = array_keys($iptc_result);
sort($keys);
foreach ($keys as $key) {
echo '<br>' . $key . ' = ' . $iptc_result[$key];
}
} else {
echo 'no IPTC information';
}
echo '<br><br><br>';