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.
Today Instagram has 30 million registered users who share more than 150 million photos per month. The acquisition came just six days after the Instagram Android APP was released. Within 12 hours of the APP's release, Instagram Android was downloaded one million times. As for the other $600 million: $100 million goes to co-founder Mike Krieger.