Compare arrays, and returns the differences (compare values only, using a user-defined key comparison function) array_udiff_assoc() Compare arrays, and returns the differences (compare keys and values, using a built-in function to compare the keys and a user-defined function to compare the values) array_udiff_uassoc() Compare arrays, and returns the differences (compare keys and values, using two user-defined key comparison functions)
Instagram usage is particularly strong among millennials. This year, there will be 48.2 million millennial Instagram users in the US. By 2019, nearly two-thirds of all millennial smartphone users will use Instagram.
That data comes from comScore, via a new mobile measurement report: It says that throughout August, Instagram had an average of 7.3 million daily active users â or DAUs, in Facebook parlance. That tops of Twitterâs 6.9 million DAUs over the same period of time. Whatâs more, the average Instagram user spent 257 minutes accessing the photo-sharing site via mobile device in August, the data claims, while the average Twitter user over the same period spent 170 minutes viewing.