DSP| solving difference equations using Z_transform part 1

array(1) { [0]=> object(stdClass)#6222 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "aowC-9fhLjQ" ["related_video_title"]=> string(26) "33kv 1*95mm armoured cable" ["posted_time"]=> string(27) "5 месяцев назад" ["channelName"]=> string(14) "Kurd Engineers" } }