Code examples

37visibility_method.php

<?php
class A
{
    //definiranje neke public,protected i private metode
    public function pub(){echo 'PublicMetoda ';}
    protected function prot(){echo 'ProtectedMetoda ';}
    private function priv(){echo 'PrivateMetoda ';}
    
    //CLASS - pristup metodi unutar self klase
    public function ispis_a()
    {
        $this->pub();
        $this->prot();
        $this->priv();
    }
    
}
class B extends A
{
    //SUBCLASS 1 - pristup metodi unutar child klase
    public function ispis_b()
    {
        $this->pub();
        $this->prot();
        //$this->priv(); javlja gresku
    }
}
class C extends B
{
    //SUBCLASS 2 - pristup metodi unutar grandchild klase
    public function ispis_c()
    {
        $this->pub();
        $this->prot();
        //$this->priv(); javlja gresku
    }
}

//WORLD
$obj_a=new A;
echo $obj_a->pub(); //ispisuje: PublicMetoda
//echo $obj_a->prot(); javlja gresku
//echo $obj_a->priv(); javlja gresku

echo "<br/>";

//CLASS
$obj_a->ispis_a(); //ispisuje: PublicMetodaProtectedMetodaPublicMetoda

echo "<br/>";

//SUBCLASS 1
$obj_b=new B;
$obj_b->ispis_b(); //ispisuje: PublicMetodaProtectedMetoda

echo "<br/>";

//SUBCLASS 2
$obj_c=new C;
$obj_c->ispis_c(); //ispisuje: PublicMetodaProtectedMetoda

var_dump($obj_a);
var_dump($obj_b);
var_dump($obj_c);
?>

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