public static function samplelookup(&$mp3)
{
//bits MPEG1 MPEG2 MPEG2.5
$array = array();
$array['00'] = array('44100', '22050', '11025');
$array['01'] = array('48000', '24000', '12000');
$array['10'] = array('32000', '16000', '8000');
$array['11'] = array('res', 'res', 'res');
$whichcolumn = -1;
if (mp3file::is_mpeg10($mp3)) {
$whichcolumn = 0;
} else {
if (mp3file::is_mpeg20($mp3)) {
$whichcolumn = 1;
} else {
if (mp3file::is_mpeg25($mp3)) {
$whichcolumn = 2;
}
}
}
if (isset($array[$mp3['Sampling Freq Idx']][$whichcolumn])) {
return $array[$mp3['Sampling Freq Idx']][$whichcolumn];
} else {
return 'unknown';
}
}