public static function get_by_md5($md5)
{
$type = DigiplayDB::select("type FROM audio WHERE md5 = '" . $md5 . "'");
if ($type) {
if ($type == 1) {
return Tracks::get_by_md5($md5);
} else {
if ($type == 2) {
return Jingles::get_by_md5($md5);
} else {
if ($type == 3) {
return Adverts::get_by_md5($md5);
} else {
if ($type == 4) {
return Prerecs::get_by_md5($md5);
}
}
}
}
}
}