Passing object method to array_map()

Question

    class theClass{
         function doSomeWork($var){
            return ($var + 2);
         }

         public $func = \"doSomeWork\";

         function theFunc         


        

Answer 1

The following code provides an array of emails from an $users array which contains instances of a class with a getEmail method:

    if(count($users) < 1) {
        return $users; // empty array
    }
    return array_map(array($users[0], "getEmail"), $users);