계층이동 개념

array(10) { [0]=> object(stdClass)#4363 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "VQgkbkobE98" ["related_video_title"]=> string(47) "6월 평가원 사회문화 해설2(6번~11번)" ["posted_time"]=> string(21) "3 года назад" ["channelName"]=> string(15) "큰머리사회" } [1]=> object(stdClass)#4336 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "OI-oo_PwIHg" ["related_video_title"]=> string(168) "ВОССТАНОВЛЕНИЕ НЕРВНОЙ СИСТЕМЫ 🌸 Нежная музыка, успокаивает нервную систему и радует душу" ["posted_time"]=> string(0) "" ["channelName"]=> string(15) "Relax Your Soul" } [2]=> object(stdClass)#4361 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "GY675Xu1C-g" ["related_video_title"]=> string(59) "[큰머리사회] 사회문화 도표 특강 - 총부양비" ["posted_time"]=> string(23) "1 месяц назад" ["channelName"]=> string(15) "큰머리사회" } [3]=> object(stdClass)#4368 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "3w763aFC27s" ["related_video_title"]=> string(132) "⚡️ Кремль сорвал попытку ареста Путина || Срочная переброска войск НАТО" ["posted_time"]=> string(23) "8 часов назад" ["channelName"]=> string(23) "Время Прядко" } [4]=> object(stdClass)#4347 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "vDEsHTFPJ24" ["related_video_title"]=> string(96) "회로이론 5장 연습문제+기출문제 풀이 (기초회로이론 4판, 한빛아카데미)" ["posted_time"]=> string(22) "12 дней назад" ["channelName"]=> string(29) "경성대 김성만 교수님" } [5]=> object(stdClass)#4365 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "xExOgT6c0OA" ["related_video_title"]=> string(37) "25년 6평 사문도표 문제 풀이" ["posted_time"]=> string(25) "3 недели назад" ["channelName"]=> string(15) "큰머리사회" } [6]=> object(stdClass)#4360 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "3NJFnyCWzDA" ["related_video_title"]=> string(70) "[23탄] 100만들기 끝! 뺄셈책 시작 전 마지막 덧셈 훈련" ["posted_time"]=> string(21) "1 день назад" ["channelName"]=> string(42) "주산박사(엄마가가르치는 주산)" } [7]=> object(stdClass)#4370 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "GfTRW1ikTXY" ["related_video_title"]=> string(46) "24년 6월평가원, 사회문화 도표풀이" ["posted_time"]=> string(19) "1 год назад" ["channelName"]=> string(15) "큰머리사회" } [8]=> object(stdClass)#4346 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "DQGleX6Cwaw" ["related_video_title"]=> string(62) "Максимальное унижение Зеленского" ["posted_time"]=> string(24) "17 часов назад" ["channelName"]=> string(27) "Анатолий Шарий" } [9]=> object(stdClass)#4364 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "xqr4JkVHY4U" ["related_video_title"]=> string(105) "Историческое решение по Украине / НАТО идёт в наступление" ["posted_time"]=> string(23) "8 часов назад" ["channelName"]=> string(10) "NEXTA Live" } }