Find a Youngest Between 4 Person

array(10) { [0]=> object(stdClass)#4806 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "0NLW4y_SJic" ["related_video_title"]=> string(81) "Check The Person is Senior is Senior Citizen or Not. By Zafar Sir #python #coding" ["posted_time"]=> string(21) "9 дней назад" ["channelName"]=> string(14) "Zafar Khan Sir" } [1]=> object(stdClass)#4779 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "AKjNKIQUcnE" ["related_video_title"]=> string(30) "Check Notes in Amount Like ATM" ["posted_time"]=> string(25) "4 недели назад" ["channelName"]=> string(14) "Zafar Khan Sir" } [2]=> object(stdClass)#4804 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "aKwCVOMVf0s" ["related_video_title"]=> string(69) "Take The Input From User or Check It Alphabet Or Not #python #coding" ["posted_time"]=> string(23) "1 месяц назад" ["channelName"]=> string(14) "Zafar Khan Sir" } [3]=> object(stdClass)#4811 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "bhCwIlVjIyY" ["related_video_title"]=> string(77) "Calculate Total and Percentage On Subject Marks| Python Tutorial by Zafar Sir" ["posted_time"]=> string(23) "1 месяц назад" ["channelName"]=> string(14) "Zafar Khan Sir" } [4]=> object(stdClass)#4790 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "QOCp1xxAmY4" ["related_video_title"]=> string(97) "File Handling in Java Explained with Examples | Create, Read, Write, Delete File | Hindi Tutorial" ["posted_time"]=> string(22) "11 дней назад" ["channelName"]=> string(20) "Coding With Bajrangi" } [5]=> object(stdClass)#4808 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "cnwGIu3Kzro" ["related_video_title"]=> string(152) "«Вселенная: сборник космических открытий» - Познавательно и Для Хорошего Сна." ["posted_time"]=> string(0) "" ["channelName"]=> string(67) "MagnetarO - Теории и Гипотезы о Вселенной." } [6]=> object(stdClass)#4803 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "__zKkBdiLBg" ["related_video_title"]=> string(173) "❗️ЛИПСИЦ: СРОЧНО! Путин тратит ПОСЛЕДНЮЮ заначку! Россиян готовят к НИЩЕТЕ — что произошло?" ["posted_time"]=> string(23) "8 часов назад" ["channelName"]=> string(16) "Одеса. LIVE" } [7]=> object(stdClass)#4813 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "p1s5ZWk61rc" ["related_video_title"]=> string(132) "Дмитрий Петров: как выучить язык, если у тебя плохая память и нет времени" ["posted_time"]=> string(19) "2 дня назад" ["channelName"]=> string(25) "Алексей Бусов" } [8]=> object(stdClass)#4789 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "mkpJIZWQlHY" ["related_video_title"]=> string(157) "Что такое REST API? HTTP, Клиент-Сервер, Проектирование, Разработка, Документация, Swagger и OpenApi" ["posted_time"]=> string(19) "1 год назад" ["channelName"]=> string(23) "Максим Иглин" } [9]=> object(stdClass)#4807 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "EJzitviiv2c" ["related_video_title"]=> string(29) "КАК УСТРОЕН TCP/IP?" ["posted_time"]=> string(28) "10 месяцев назад" ["channelName"]=> string(7) "Alek OS" } }