galihlprakoso-com-blog-introduction-oop

php-oop-example.php

<?php 
//Contoh koding prosedural
$a = 20;
$b = 20;

$hasil = $a+$b;

echo "Hasil : ".$hasil;
?>

<?php
//Contoh koding dengan PBO
class Kalkulator {
    
    function __construct($a,$b) {   
        $this->a = $a;
        $this->b = $b;        
    }
    
    public function jumlahkan(){      
      $this->hasil = $a+$b;      
    }
    
    public function tampilkanHasil(){      
      echo "Hasil : ".$this->hasil;      
    }
}
?>