Intermediate PHP (4) Object-Oriented PHP (2). Object-oriented concepts Classes, attributes and operations Class attributes Per-class constants Class method. - ppt download

implementing inheritance in php -a class can be a subclass of another class -the extends keyword specifies this use -the following code example creates a class called Academic and then a class called Student which inherits from the Academic class $this->myatt. ; } class B extends A { public $myatt = a different value ; function operation() { echo Child says: ; echo The value of $myatt is . $this->myatt. ; } $a = new A; $b = new B; $a->operation(); $b->operation(); >.

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