Number System Decimal to Octal

array(1) { [0]=> object(stdClass)#5331 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "maECi5vvGSk" ["related_video_title"]=> string(23) "Basic Maths Video no 15" ["posted_time"]=> string(19) "4 дня назад" ["channelName"]=> string(39) "Imperial International School, Jalgaon " } }