History of Mathematics : Who Invented the Number System?

array(10) { [0]=> object(stdClass)#4551 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "8jXzLkpYCZE" ["related_video_title"]=> string(48) "History of Mathematics : History of Math Symbols" ["posted_time"]=> string(20) "16 лет назад" ["channelName"]=> string(4) "ehow" } [1]=> object(stdClass)#4524 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "csPaf4M7biI" ["related_video_title"]=> string(29) "Who Invented the Number Zero?" ["posted_time"]=> string(20) "10 лет назад" ["channelName"]=> string(4) "ehow" } [2]=> object(stdClass)#4549 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "YCzMR84VtP0" ["related_video_title"]=> string(28) "Where did numbers come from?" ["posted_time"]=> string(20) "10 лет назад" ["channelName"]=> string(22) "World Science Festival" } [3]=> object(stdClass)#4556 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "b2ogbP3ZUZY" ["related_video_title"]=> string(47) "History of Mathematics : Who Invented Addition?" ["posted_time"]=> string(20) "16 лет назад" ["channelName"]=> string(4) "ehow" } [4]=> object(stdClass)#4535 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "uDGbd0DgRgM" ["related_video_title"]=> string(21) "The Origin of Numbers" ["posted_time"]=> string(21) "3 года назад" ["channelName"]=> string(12) "Know History" } [5]=> object(stdClass)#4553 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "ONnUzKEkC1s" ["related_video_title"]=> string(92) "Золотое сечение — Алексей Савватеев / ПостНаука" ["posted_time"]=> string(21) "4 года назад" ["channelName"]=> string(18) "ПостНаука" } [6]=> object(stdClass)#4548 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "blWdjRUPP6E" ["related_video_title"]=> string(72) "Разведчик о том, как использовать людей" ["posted_time"]=> string(25) "3 недели назад" ["channelName"]=> string(18) "Коллектив" } [7]=> object(stdClass)#4558 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "cZH0YnFpjwU" ["related_video_title"]=> string(99) "Краткая история систем счисления — Алессандра Кинг" ["posted_time"]=> string(19) "8 лет назад" ["channelName"]=> string(6) "TED-Ed" } [8]=> object(stdClass)#4534 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "OI7_e41eOy0" ["related_video_title"]=> string(166) "✓ Веревку вокруг Земли удлинили на 1 см. Пройдёт ли человек? | Ботай со мной #092 | Борис Трушин" ["posted_time"]=> string(21) "4 года назад" ["channelName"]=> string(23) "Борис Трушин" } [9]=> object(stdClass)#4552 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "D-oxsEknlIc" ["related_video_title"]=> string(30) "When zero was first discovered" ["posted_time"]=> string(19) "7 лет назад" ["channelName"]=> string(14) "Science Museum" } }