Boolean Operators

array(10) { [0]=> object(stdClass)#4055 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "-05IzLof1v0" ["related_video_title"]=> string(66) "Share Library Licensed Online Articles, Books, and Other Materials" ["posted_time"]=> string(21) "4 года назад" ["channelName"]=> string(13) "USC Libraries" } [1]=> object(stdClass)#4028 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "pe0nLPNmzdQ" ["related_video_title"]=> string(43) "Advanced Searching in PubMed using Keywords" ["posted_time"]=> string(21) "4 года назад" ["channelName"]=> string(13) "NIU Libraries" } [2]=> object(stdClass)#4053 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "QztjxodDSuQ" ["related_video_title"]=> string(55) "Booleans for Recruiters - How To Write A Boolean Search" ["posted_time"]=> string(21) "4 года назад" ["channelName"]=> string(11) "Tyler Talks" } [3]=> object(stdClass)#4060 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "ZzS8b4osQMY" ["related_video_title"]=> string(21) "Boolean Search Basics" ["posted_time"]=> string(19) "5 лет назад" ["channelName"]=> string(13) "Morse Library" } [4]=> object(stdClass)#4039 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "lvM8DpYhFbo" ["related_video_title"]=> string(184) "Музыка лечит сердце и сосуды🌸 Успокаивающая музыка восстанавливает нервную систему,расслабляющая" ["posted_time"]=> string(0) "" ["channelName"]=> string(15) "Yellow Melodies" } [5]=> object(stdClass)#4057 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "pHwRrE14cjE" ["related_video_title"]=> string(34) "1940's Jazz Bar - Vintage Classics" ["posted_time"]=> string(23) "1 месяц назад" ["channelName"]=> string(11) "barely jazz" } [6]=> object(stdClass)#4052 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "4fezP875xOQ" ["related_video_title"]=> string(59) "4 Hours Chopin for Studying, Concentration & Relaxation" ["posted_time"]=> string(21) "3 года назад" ["channelName"]=> string(12) "HALIDONMUSIC" } [7]=> object(stdClass)#4062 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "IPi0J4SHtDQ" ["related_video_title"]=> string(54) "A Beginner's Guide to Boolean Search | SeekOut Webinar" ["posted_time"]=> string(21) "3 года назад" ["channelName"]=> string(7) "SeekOut" } [8]=> object(stdClass)#4038 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "LjOewfgdM18" ["related_video_title"]=> string(171) "ВОССТАНОВЛЕНИЕ НЕРВНОЙ СИСТЕМЫ 🌸 Нежная музыка, успокаивает нервную систему и радует душу #6" ["posted_time"]=> string(27) "5 месяцев назад" ["channelName"]=> string(15) "Relax Your Soul" } [9]=> object(stdClass)#4056 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "DfMH7ibNZvQ" ["related_video_title"]=> string(25) "Tips for Searching PubMed" ["posted_time"]=> string(21) "4 года назад" ["channelName"]=> string(49) "Duke University Medical Center Library & Archives" } }