exercise2.php

<?php

$countries = array(
    "France" => ["capital" => "Paris", "population" => 65687541],
    "Italy" => ["capital" => "Rome", "population" => 9879055],
    "Luxembourg" => ["capital" => "Luxembourg", "population" => 300],
    "Belgium" => ["capital" => "Brussels", "population" => 9849849],
    "Denmark" => ["capital" => "Copenhagen", "population" => 8789797],
    "Finland" => ["capital" => "Helsinki", "population" => 2989897],
    "Slovakia" => ["capital" => "Bratislava", "population" => 3879879],
    "Slovenia" => ["capital" => "Ljubljana", "population" => 64988],
    "Germany" => ["capital" => "Berlin", "population" => 3965987],
    "Greece" => ["capital" => "Athens", "population" => 4897987],
    "Ireland" => ["capital" => "Dublin", "population" => 1987497],
    "Netherlands" => ["capital" => "Amsterdam", "population" => 6897987],
    "Portugal" => ["capital" => "Lisbon", "population" => 7997978],
    "Spain" => ["capital" => "Madrid", "population" => 13277854],
    "Sweden" => ["capital" => "Stockholm", "population" => 897982],
);

/* foreach ($countries as $key => $value) {
    echo $key, $value['capital'];
}
echo '<br>'; */
ksort($countries);
foreach ($countries as $key => $value) {
    
        echo $key . '<br>';
        echo $value['capital']. '<br>';
        echo $value['population']. '<br>';
        echo '<br>-----------------------------------------<br>';    
}