static function exif_info()
{
static $exif_info = array();
if (empty($exif_info)) {
// based on code by johnschaefer at gmx dot de
// from PHP help on gd_info()
$exif_info = array('EXIF Support' => '', 'EXIF Version' => '', 'Supported EXIF Version' => '', 'Supported filetypes' => '');
$phpinfo_array = phpThumb_functions::phpinfo_array();
foreach ($phpinfo_array as $line) {
$line = trim(strip_tags($line));
foreach ($exif_info as $key => $value) {
if (strpos($line, $key) === 0) {
$newvalue = trim(str_replace($key, '', $line));
$exif_info[$key] = $newvalue;
}
}
}
}
return $exif_info;
}
