Php, array of objects, get all classname of objects

I have an array:

$array = array();
$array[] = new Class1();
$array[] = new Class2();
$array[] = new Class3();

var_dump ($array); // returns the objects
var_dump (array_values($array)); // same as above
var_dump (array_keys($array)); // returns empty array
Copy code

I want something which returns with ['Class1', 'Class2', 'Class3'], so aget_class() on each object.