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.
Itâs also become one of the largest pieces of the nascent influencer marketing industry. UPDATE: April 2017 propelled Instagram past 700 million monthly active users and saw a reported daily active user base of 200 million users for Instagram Stories alone. Instagram Influencer Marketing Could Reach $ 2 Billion By 2019