$return=array_reverse($return);
foreach($return as $dongu){
$degisken = $dongu['name'];
$gelen_deger = array("mobile", "lowest","low","sd","hd");
$donusen_deger = array("144p","240p","360p","480p","720p");
$degisken = str_replace($gelen_deger, $donusen_deger, $degisken); 
$text = '{"file":"'.$dongu['file'].'","type":"'.$dongu['type'].'","name":"'.$degisken.'"}
';
echo $text; 
}