array-unique
array_unique and then renumbering keys [duplicate]
Easiest way would be to put them into a new array either via a loop, or better yet array_values function. $new_array = array_values($original_array) More information
Easiest way would be to put them into a new array either via a loop, or better yet array_values function. $new_array = array_values($original_array) More information