Question

How to use single level inheritance in PHP

Answer 1

class A {
    public function print_s($s) {
        echo $s . "<br />"; 
    } 
    public function print_() {
        echo 'class A' . "<br />"; 
    }
}
class B extends A {
    public function print_s($s) {
        echo $s . "<br />"; 
    }
 public function print_() {
        echo "class B" . "<br />"; 
    }
}

$a = new A();
$b = new B();

$a->print_s('php');
$a->print_();       

$b->print_s('java'); 
$b->print_();       


/*
run:

php
class A
java
class B

*/

 

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