PHP find output programs (Inheritance) | set 3

Find the output of PHP programs | Inheritance | Set 3: Enhance the knowledge of PHP Inheritance by solving and finding the output of some PHP programs.

Question 1:

<?php
    class A
    {
        function fun()
        {
            echo "Fun() called from class A<br>";
        }
    
    }
    
    class B extends A
    {
        function fun()
        {
            echo "Fun() called from class B<br>";
        }
    }
    
    $obj = new B();
    $obj->fun();
?>

Question 2:

<?php
    class Vehicle
    {
        private $EngineNo;
        private $ChasisNo;
    
        public function Set($E, $C)
        {
            $this->EngineNo = $E;
            $this->ChasisNo = $C;
        }
    
        public function print ()
        {
            echo "<br>Engine Number: " . $this->EngineNo;
            echo "<br>Chasis Number: " . $this->ChasisNo;
        }
    }
    
    class Car extends Vehicle
    {
        private $ModelNo;
        private $Price;
    
        function SetCar($E, $C, $M, $P)
        {
            $this->ModelNo = $M;
            $this->Price = $P;
    
            $this->Set($E, $C);
        }
    
        function PrintCar()
        {
            $this->Print();
            echo "<br>Model Number: " . $this->ModelNo;
            echo "<br>Price: " . $this->Price;
        }
    }
    
    $obj = new Car();
    $obj->SetCar("E101", "CH101", "M101", 1000000);
    $obj->PrintCar();
?>

Question 3:

<?php
    class Person
    {
        private $Name;
        private $Age;
    
        public function Set($N, $A)
        {
            $this->Name = $N;
            $this->Age = $A;
        }
    
        public function print ()
        {
            echo "<br>Name: " . $this->Name;
            echo "<br>Age:  " . $this->Age;
        }
    }
    
    class Employee extends Person
    {
        private $Dept;
        private $Salary;
    
        function SetEmp($N, $A, $D, $S)
        {
            $this->Dept = $D;
            $this->Salary = $S;
    
            $this->Set($N, $A);
        }
    
        function PrintEmp()
        {
            $this->Print();
            echo "<br>Dept:   " . $this->Dept;
            echo "<br>Salary: " . $this->Salary;
        }
    }
    
    $obj1 = new Employee();
    $obj1->SetEmp("Rohit", 32, "Accounts", 1000);
    $obj1->PrintEmp();
    
    $obj2 = new Employee();
    $obj2->SetEmp("Virat", 31, "HR", 1500);
    $obj2->PrintEmp();
?>

Question 4:

<?php
    class A
    {
        function fun()
        {
            echo "Fun() called from class A<br>";
        }
    
    }
    class B
    {
        function fun()
        {
            echo "Fun() called from class B<br>";
        }
    }
    
    class C extends A, extends B
    {
        function Mymethod()
        {
            echo "Mymethod() called from class C<br>";
        }
    }
    
    $obj = new C();
    $obj->Mymethod();
?>

Question 5:

<?php
class A
{
    function fun1()
    {
        echo "Fun1() called from class A<br>";
    }

}
class B:
    A
    {
        function fun2()
        {
            echo "Fun2() called from class B<br>";
        }
    }

    $obj = new B();
    $obj->fun2();
?>