Built in support for sets in PHP?

Question

I\'m looking for a simple way to create an array in php that will not allow duplicate entries, but allows for easy combining of other sets or arrays.

I\'m mostly int

Answer 1

You can use array_combine for removing duplicates

$cars = array("Volvo", "BMW", "Toyota");
array_push($cars,"BMW");

$map = array_combine($cars, $cars);