<?php
$cities = json_decode(add_headers_to_json('cities.csv'));
?>
<h1>States</h1>
<?php
$states = [];
foreach ($cities as $city) {
$states[] = $city->state;
}
$unique_states = array_unique($states);
foreach ($unique_states as $state) {
echo '<a href="/flight_challenge/v1/states/' . $state . '/cities/">' . $state . '</a><br>';
}
function visited_cities($visitfile, $cityfile, $user_id)
{
$visits = json_decode(add_headers_to_json($visitfile));
$visited_cities = array();
foreach ($visits as $visit) {
$visit_user_id = $visit->user_id;
if ($visit_user_id == $user_id) {
$visited_city_id = $visit->city_id;
$visited_city = find_city_by_id($cityfile, $visited_city_id);
$visited_cities[] = $visited_city;
}
}
if (count($visited_cities) > 0) {
echo '<h3>Your Visited Cities:</h3>';
foreach ($visited_cities as $visited_city) {
echo $visited_city->name . ", " . $visited_city->state . "<br>";
}
return $visited_cities;
} else {
echo 'It looks like you haven\'t visited any cities yet!';
}
}