What is the difference between new self and new static in PHP? Late Static Binding

Hello everyone! I've been struggling with a strange behavior in PHP for three days. I have a base class that creates its instances through a static method. When I inherit this class, I expect the child class to create objects of its own type, but for some reason an object of the parent class is created. Here's a simplified example: ```php class ParentClass { public static function create() { return new self(); } } class ChildClass extends ParentClass { // no override } $obj = ChildClass::create(); // $obj is ParentClass, not ChildClass! echo get_class($obj); // ParentClass ``` I've read about Late Static Binding and the `static` keyword, but I don't fully understand how it works. Why does `new self()` always refer