The __get () and __set () methods in PHP get set private properties

In a class's encapsulation, getting properties can customize the GetXXX () and Setxxx () methods, which is cumbersome when there are multiple properties in a class. The __get () and __set () methods are predefined for this PHP5, where the __get () method is used to get the value of the private member property, and the __set () method is used to assign a value to the private member property value, both of which are automatically called when the private property value is obtained or set. A case is followed to illustrate the use of these two methods.

[PHP]View Plaincopy print?

2. <?php
4. class Person
6. {
8. private $name;
10. private $age;
14. Public function __get ($property _name)
16. {
18. echo "Automatically calls the __get () method to get the property value <br>";
20. if (isset ($this-$property _name))
22. {
24. return ($this,$property _name);
26. }
28. Else
30. {
32. return (NULL);
34. }
38. }
40. Public function __set ($property _name,$value)
42. {
44. echo "Automatically calls the __set () method to set the property value <br>";
46. $this$property _name=$value;
48. }
50. }
52. $p 1 = new person;
54. $p 1->name = "Zhang San";
56. $p 1->age = 10;
58. echo "name:". $p 1->name.  "<br>";
60. echo "Age:". $p 1->age.  "<br>";
62. ?>

Operation Result:

The __get () and __set () methods in PHP get set private properties