PHP object-oriented: Simulate multi-inheritance using interfaces and combinations (1/2)-PHP source code

Ec (2); in php, multi-inheritance is not supported. If we use multiple classes to implement code reuse, is there any way? That is the combination. Set another class as an attribute in a class. The following example simulates multiple inheritance. Viewsourceprint? 01 & lt ;? & Nbsp; 02 classuser {& nbsp; 03 & nbsp; private $ name & quot; tom & qu script ec (2 ); script

In php, multi-inheritance is not supported. If we use multiple class methods to implement code reuse, is there any way? That is the combination. Set another class as an attribute in a class.

The following example simulates multiple inheritance.

View sourceprint? 01

02 class user {

03 private $ name = "tom ";

04 public function getname (){

05 return $ this-> name;

06}

07}

08 class teacher {

09 private $ lengthofservice = 5; // length of service

10 public function getlengthofservice (){

11 return $ this-> lengthofservice;

12}

13}

14 // The set Method in the above class will not be written.

15 // if you have a graduate student, both the student and the working age are counted.

16 class graduatestudent extends user {

17 private $ teacher;

18 public function _ construct (){

19 $ this-> teacher = new teacher ();

20}

21 public function getlengthofservice (){

22 return $ this-> teacher-> getlengthofservice ();

23}

24}

25 $ graduatestudent = new graduatestudent ();

26 echo "name is". $ graduatestudent-> getname ()."
";

27 echo "lengthofservice is". $ graduatestudent-> getlengthofservice ();

28

29?>

Homepage 1 2 last