Online PHP editor | refs for erYNm

<?php $json = '{"refData":{"id":"52985275","tarih":"2017-09-06 17:58:39","baslangic":"1504709915","baslik":"JON SNOW","mesaj":"Yeni Siparis 145000006 Uye: fool Urun: Tori Tank,Tori Tank B250","adet":"1","numaralar":{"bekleyen":[],"gonderilmis":["5305305302"],"hata":[]},"iade_durumu":null,"dusulen_kredi":1,"adet_bekleyen":0,"adet_gonderilmis":1,"adet_hata":0},"status":true}'; $arr = json_decode($json, true); $num = $arr['refData']['numaralar']; print_r($num); print_r(array_filter($num));