Access modifiers in php oop

Access modifiers in php oop

/* The following two methods declare that the access permission works the same */ Function say (){}; Publilc function say (){}; When a class member is declared as a public access modifier, the member can be accessed and operated by external code. Private (private) is defined as a private member. it is visible to all members in the class and has no access restrictions. Access to the outside of the class is not allowed. Protected (protected) protected is a little complicated. it is declared as a member of protected and can only be accessed by subclass of this class. Access permission list: access permission public protected private all★Subclass★★Class★★★