<?php
    $name = "adrian";
    $array = array(4, 34, $name);
    print_r($array);
    echo "<br>";
    $arrayAsociativa = array('superpoder' => 4, 'edat' => 34, "nombre" => $name);
    print_r($arrayAsociativa);
    echo "<br>";
    echo $array[1];
    echo "<br>";
    echo $arrayAsociativa['nombre'];

    echo "<br>";
    echo sumar(5, 5);

    function sumar($n1, $n2) {
        return $n1 + $n2;
    }

    echo "<br>";
    $person = new persona("pepito", 55);
    $person->showInfo();
    $person->toString();

    class persona {

        private $name = "adrian";
        private $age = 23;

        function __construct($name, $age) {
            $this->name = $name;
            $this->age = $age;
        }

        public function toString() {
            echo "Name: $this->name<br>";
            echo "Age: $this->age<br>";
        }

        public function showInfo() {
            echo "Name: $this->name<br>";
            echo "Age: $this->age<br>";
        }

    }

?>