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.
This year, 89.4 million Americans will log on to Instagram at least once a month, representing 34.1% of mobile phone users. And by 2017, 51.8% of social network users will use Instagramâsurpassing the 50% mark for the first time. Instagramâs user base is growing far faster than social network usage in general. Instagram will grow 15.1% this year, compared to just 3.1% growth for the social network sector as a whole.