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.
Just how many people in the US use Instagram, the photo- and video-sharing service Facebook acquired in 2012? According to new figures from eMarketer, Instagram usage in the US has ramped up rapidly and is already maturing, reaching regular usage levels nearly matching Twitterâs, particularly on smartphones and among millennials and Gen Xers.