/**
* analyze MP3 file, and return MP3 tag info
*
* @param [auto detect] a file path or a file object is acceptable
* @return null or an array of MP3 info
*/
public function analyzeMp3($file_para = '')
{
// if no path specified, return 'null'
if (empty($file_para)) {
return null;
}
// we need file path for GetId3
$filepath = is_object($file_para) ? $file_para->getRealPath() : realpath($file_para);
// initialize Id3 helper, and then analyze
$getId3 = new GetId3();
$getId3->setOptionMD5Data(true)->setOptionMd5DataSource(true)->setEncoding('UTF-8');
$raw_info = $getId3->analyze($filepath);
// read other important info from mp3 tags, if possible
if (isset($raw_info['tags']['id3v2'])) {
$song_info = array('title' => isset($raw_info['tags']['id3v2']['title']) ? $raw_info['tags']['id3v2']['title'][0] : '', 'artist' => isset($raw_info['tags']['id3v2']['artist']) ? $raw_info['tags']['id3v2']['artist'][0] : '', 'album' => isset($raw_info['tags']['id3v2']['album']) ? $raw_info['tags']['id3v2']['album'][0] : '', 'genre' => isset($raw_info['tags']['id3v2']['genre']) ? $raw_info['tags']['id3v2']['genre'][0] : '', 'length' => strlen($raw_info['playtime_string']) < 6 ? '00:' . $raw_info['playtime_string'] : $raw_info['playtime_string']);
// $song_info['length'] = new \DateTime($song_info['length']);
} else {
// no info, and set just a null
$song_info = null;
}
return $song_info;
}
