fork download
copy 
  1. <?php
  2.  
  3. class A 
  4. {
  5. 	function __construct($dataA = false) {
  6. 		echo "constructor A enter data = $dataA\n";
  7. 		$dataA .= "A";
  8. 		echo "constructor A exit data = $dataA\n";
  9.  
  10. 		return $dataA;
  11. 	}
  12.  
  13. }
  14.  
  15. class B extends A 
  16. {
  17. 	function __construct($data = false) {
  18. 		echo "constructor B enter data = $data\n";
  19. 		$dataB = parent::__construct($data);
  20. 		$dataB .= "B";
  21. 		echo "constructor B exit data = $dataB\n";
  22. 		return $dataB;
  23. 	}
  24.  
  25. }
  26.  
  27. class C extends B {
  28. 	function __construct($data = false){
  29. 	echo "constructor C enter data = $data\n";
  30. 	$dataC = parent::__construct($data);
  31. 	$dataC .= "C";
  32. 	echo "constructor C exit data = $dataC\n";
  33. 	$this->temp = $dataC;
  34. 	}
  35. }
  36.  
  37. $c = new C("D");
  38. var_dump($c);
Success #stdin #stdout 0.02s 24400KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
constructor C enter data = D
constructor B enter data = D
constructor A enter data = D
constructor A exit data = DA
constructor B exit data = DAB
constructor C exit data = DABC
object(C)#1 (1) {
  ["temp"]=>
  string(4) "DABC"
}
https://ideone.com/3iW75h
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!