What is the difference between yield and return?

array(10) { [0]=> object(stdClass)#4220 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "LCO0iNPN4PA" ["related_video_title"]=> string(54) "2nd Quarter 2025 | UOBAM Quarterly Investment Strategy" ["posted_time"]=> string(25) "2 месяца назад" ["channelName"]=> string(3) "UOB" } [1]=> object(stdClass)#4193 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "HRXkeaeImGs" ["related_video_title"]=> string(49) "C# Yield Return: What is it and how does it work?" ["posted_time"]=> string(21) "4 года назад" ["channelName"]=> string(13) "Brian Lagunas" } [2]=> object(stdClass)#4218 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "LCr9MJIc0as" ["related_video_title"]=> string(149) "Маша и Медведь 💥НОВАЯ СЕРИЯ 2025💥 Книжка-лягушка 🧙‍♀️📚🐸 (Серия 151) Masha and the Bear" ["posted_time"]=> string(19) "4 дня назад" ["channelName"]=> string(26) "Маша и Медведь" } [3]=> object(stdClass)#4225 (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(19) "4 дня назад" ["channelName"]=> string(10) "вДудь" } [4]=> object(stdClass)#4204 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "V3d6uoNqdaY" ["related_video_title"]=> string(162) "РЕШЕТНИКОВ: "ЭКОНОМИКА "НА ГРАНИ"/ ЧИНОВНИКОВ ПРОРВАЛО НА ПМЭФ/ ИРАН И ЦЕНЫ НА НЕФТЬ. Милов" ["posted_time"]=> string(21) "1 день назад" ["channelName"]=> string(19) "Майкл Наки" } [5]=> object(stdClass)#4222 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "DCQwiF0J7hw" ["related_video_title"]=> string(67) "How The Yield Curve Predicted Every Recession For The Past 50 Years" ["posted_time"]=> string(19) "5 лет назад" ["channelName"]=> string(4) "CNBC" } [6]=> object(stdClass)#4217 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "efKm00MQgng" ["related_video_title"]=> string(71) "Мы победили Jeep! Все было так просто…" ["posted_time"]=> string(19) "3 дня назад" ["channelName"]=> string(34) "ИЛЬДАР АВТО-ПОДБОР" } [7]=> object(stdClass)#4227 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "AAphxTCTDbs" ["related_video_title"]=> string(27) "Bonus share vs. Stock split" ["posted_time"]=> string(19) "1 год назад" ["channelName"]=> string(15) "Zerodha Varsity" } [8]=> object(stdClass)#4203 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "dQhNDyVLUpk" ["related_video_title"]=> string(54) "3rd Quarter 2025 | UOBAM Quarterly Investment Strategy" ["posted_time"]=> string(19) "3 дня назад" ["channelName"]=> string(3) "UOB" } [9]=> object(stdClass)#4221 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "o6wtyb7Kf68" ["related_video_title"]=> string(28) "How to Invest for a Lifetime" ["posted_time"]=> string(28) "10 месяцев назад" ["channelName"]=> string(10) "Rob Berger" } }