PHP Magic methods and Magic variables

PHP Magic methods and Magic variables

Magic Method:

PHP treats all class methods starting with __ (two underscores) as a magic method;

2. __construct (), construction method;
4. __destruct (), destructor;
6. __get (String $name) is called when accessing and setting a member variable that does not exist in the class;

8. __set (String $name, mixed $value) is called when accessing and setting a member variable that does not exist in the class;

10. __call (string $name, array $arguments) is called when a method that does not exist in the class is called;

12. __tostring () is called when the object is converted to string;
14. __clone (), cloning;

Magic constants:

A constant with two _ starts and ends for the magic constant;

2. The current line number in the file __line__.
4. __file__ the full path and filename of the file;
6. __dir__ the directory where the files are located;
8. __function__, function name;
10. __class__, the name of the class;
12. __method__-class method name;
14. __NAMESPACE__ the name of the current namespace

PHP Magic methods and Magic variables