Level 53
What this code do? Can someone explain to me?
It calls the boot method of parent class.
https://www.php.net/manual/en/language.oop5.inheritance.php
and what difference between
Class members declared public can be accessed everywhere.
Members declared protected can be accessed only within the class itself and by inheriting and parent classes.
Members declared as private may only be accessed by the class that defines the member.