Online PHP editor | refs for PdTRG

<?php function formatAds(array $ad): array { $ad['last_name'] = ucfirst($ad['last_name']); $ad['first_name'] = ucfirst($ad['first_name']); $phoneNumber = str_replace(' ', '', $ad['phone_number']); $ad['phone_number'] = is_numeric($phoneNumber) && strlen($phoneNumber) === 10 ? $phoneNumber : null; return $ad; } $ad = [ "last_name" => "foo", "first_name" => "bar", "phone_number" => "04 55 66 77 11", ]; print_r(formatAds($ad));