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.
Within those users who use Instagram, it isnât just teenagers. Yes, the 18-29 demographic has the largest usage. 37% of users in this demographic use Instagram. However, 18% of those in the 30-49 demographic and 6% of those in the 50-64 demographic also use Instagram (1).