instanceof Keyword in Salesforce Apex

array(10) { [0]=> object(stdClass)#4333 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "P01QiN3J0i4" ["related_video_title"]=> string(53) "Salesforce lightning datatable with header and footer" ["posted_time"]=> string(19) "1 год назад" ["channelName"]=> string(16) "InfallibleTechie" } [1]=> object(stdClass)#4306 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "hFcEVM0moYU" ["related_video_title"]=> string(58) "Как Путин видит окончание войны" ["posted_time"]=> string(24) "16 часов назад" ["channelName"]=> string(27) "Анатолий Шарий" } [2]=> object(stdClass)#4331 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "B1ULvYY-0Uo" ["related_video_title"]=> string(124) "Закон сохранения энергии — величайшее заблуждение физики [Veritasium]" ["posted_time"]=> string(24) "20 часов назад" ["channelName"]=> string(10) "Vert Dider" } [3]=> object(stdClass)#4338 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "l0OGP6p1Kqw" ["related_video_title"]=> string(46) "Static Keyword in Apex || By Rajesh Chatterjee" ["posted_time"]=> string(21) "3 года назад" ["channelName"]=> string(7) "Delipat" } [4]=> object(stdClass)#4317 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "A2P3Gn2_gSY" ["related_video_title"]=> string(114) "ВЕСЬ JavaScript в одном собеседовании. 200 вопросов + 70 задач за 2 часа" ["posted_time"]=> string(23) "1 месяц назад" ["channelName"]=> string(40) "Reactify | Frontend Разработка" } [5]=> object(stdClass)#4335 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "Ca59WfTxqYM" ["related_video_title"]=> string(99) "01 Introduction to Apex Triggers in Salesforce | Salesforce Training | Beginners | Learn Salesforce" ["posted_time"]=> string(21) "4 года назад" ["channelName"]=> string(29) "Skill Horizon by Sanjay Gupta" } [6]=> object(stdClass)#4330 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "qGrAgk8ZwQE" ["related_video_title"]=> string(100) "#8 Apex Access Modifiers |Access Modifiers in Apex Class Salesforce |Private Protected Public Global" ["posted_time"]=> string(21) "2 года назад" ["channelName"]=> string(7) "Comrevo" } [7]=> object(stdClass)#4340 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "GR1XsTLCoxg" ["related_video_title"]=> string(61) "Difference Between This and Static and Final in Java or Apex" ["posted_time"]=> string(21) "2 года назад" ["channelName"]=> string(15) "SalesforceStart" } [8]=> object(stdClass)#4316 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "qKlUpmZwsyw" ["related_video_title"]=> string(53) "Feeling Good Mix - Emma Péters, Carla Morrison" ["posted_time"]=> string(21) "4 года назад" ["channelName"]=> string(13) "Nonstop Music" } [9]=> object(stdClass)#4334 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "95Mkwbsk2HQ" ["related_video_title"]=> string(79) "Можно ли поменять родину так быстро? / вДудь" ["posted_time"]=> string(21) "1 день назад" ["channelName"]=> string(10) "вДудь" } }