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.
May 26th, 2011: Based on the printo.jp instagram user base we can confirm that instagram is close to 4,5 million users. This is based on our highest user ID recorded which is higher than 4,361,000 and new members must be signing up every day.Knowing that instagram launched October 2010 this means that on average 20,000 people sign up every day.