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From PHP Tutorial
Detailed explanation of the di...
This article is a detailed analysis and introduction to the difference between abstract and interfac...
Detailed examples of the diffe...
public: Public type In the subclass, you can call public methods or attributes through self::var. Pa...
Usage examples and difference ...
1. The difference between public, private and protected. Public: has the greatest permissions and ca...
PHP object-oriented public pri...
This article is a detailed analysis and introduction to the PHP object-oriented public private prote...
Detailed explanation of the de...
public: Public properties or methods can be called in subclasses through self::var or self::method. ...
Detailed explanation of the im...
There are two examples of abstract classes in php, one is simple and the other is more complex. They...
1. Abstract class abstract class1. An abstract class refers to a class with the abstract keyword in ...
Detailed explanation of interf...
The difference between PHP interfaces and abstract classes: The use of interfaces is through the key...
Differences: 1. The interface is used through the keyword implements. The use of abstract classes is...
Summary of content about php d...
1. Which databases does PHP support (which database interfaces does it have) Adabas D, InterBase, Po...
