About PHP Encapsulation

Package, Baidu Encyclopedia interpretation: that is, the hidden object properties and implementation details, only the external public interface, control in the program to read and modify the access level of the property, the abstraction of the data and behavior (or function) to form an organic whole, that is, the data and operational data source code to combine organically, forming a "class" , where data and functions are members of the class.

Simply put, encapsulation is the extraction of a block of functionality, written into a function, for repeated calls. encapsulation, usually referred to as a class function, a member of a class.

As you can see from the code above, it is entirely possible to interpret it as a function function, which is also considered a "encapsulation" (but somewhat different from the encapsulation of classes in object-oriented thinking).

About PHP Encapsulation