arrayobjects.php

<?php

// exercise 1 (Create a non-associative array with 3 integer values and display the total sum of them.)

$integers = [
    "first" => 5,
    "second" => 7,
    "third" => 10

];

echo $integers["first"] + $integers["second"] + $integers["third"] . PHP_EOL;

// exercise 2 (Using dump method, dump out all 3 values.)

$person = [
    "name" => "John",
    "surname" => "Doe",
    "age" => 50
];

var_dump($person) . PHP_EOL;

// exercise 3 (Using dump method, dump out all 3 values.)

$person = new stdClass();
$person->name = "John";
$person->surname = "Doe";
$person->age = 50;

var_dump($person) . PHP_EOL;

// exercise 4 (Program should display concatenated value of - Jane Doe 41)

$items = [
    [
        [
            "name" => "John",
            "surname" => "Doe",
            "age" => 50
        ],
        [
            "name" => "Jane",
            "surname" => "Doe",
            "age" => 41
        ]
    ]
];

echo $items[0][1]["name"] . ' ' . $items[0][1]["surname"] . ' ' . $items[0][1]["age"] . PHP_EOL;

// exercise 5 (Program should display concatenated value of - John & Jane Doe`s)

echo $items[0][0]["name"] . ' & ' . $items[0][1]["name"] . ' ' . $items[0][1]["surname"] . '´s' . PHP_EOL;

?>