Late bound/delayed binding of parent class and subclass in PHP

Late bound/deferred binding of parent class and subclass in PHP

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22. /***
24. = = = = Note Part = =
26. late binding/late binding
28. ***/
34. class Human {
36. public static function WhoAmI () {
38. echo ' WhoAmI from the parent class is executing
    ';
40. }
44. public static function say () {
46. Self::whoami (); There is no say method within the subclass, found the parent class here
48. //The self here refers to the parent class
50. }
54. public static function Say2 () {
56. static:: WhoAmI (); //Subclass also has no Say2 method, and find the parent class here
58. //But the parent class uses Static::whoami,
60. //refers to calling your subclass's own WhoAmI method
62. }
64. }
70. class Stu extends human{
72. /*
74. Public static function WhoAmI () {
76. Echo ' WhoAmI from sub-class is executing
    ';
78. }
80. */
82. }
88. Stu::say ();
92. Stu::say2 ();

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