generate predicate logic statement for the following code

public function getAddress(int $address_id): array {

$address_query = $this->db->query("SELECT DISTINCT * FROM `" . DB_PREFIX . "address` WHERE `address_id` = '" . (int)$address_id . "' AND `customer_id` = '" . (int)$this->customer->getId() . "'");

if ($address_query->num_rows) {

$this->load->model('localisation/country');

$country_info = $this->model_localisation_country->getCountry($address_query->row['country_id']);

if ($country_info) {

$country = $country_info['name'];

$iso_code_2 = $country_info['iso_code_2'];

$iso_code_3 = $country_info['iso_code_3'];

$address_format = $country_info['address_format'];

} else {

$country = '';

$iso_code_2 = '';

$iso_code_3 = '';

$address_format = '';

}

$this->load->model('localisation/zone');

$zone_info = $this->model_localisation_zone->getZone($address_query->row['zone_id']);

if ($zone_info) {

$zone = $zone_info['name'];

$zone_code = $zone_info['code'];

} else {

$zone = '';

$zone_code = '';

}

return [

'address_id' => $address_query->row['address_id'],

'firstname' => $address_query->row['firstname'],

'lastname' => $address_query->row['lastname'],

'company' => $address_query->row['company'],

'address_1' => $address_query->row['address_1'],

'address_2' => $address_query->row['address_2'],

'postcode' => $address_query->row['postcode'],

'city' => $address_query->row['city'],

'zone_id' => $address_query->row['zone_id'],

'zone' => $zone,

'zone_code' => $zone_code,

'country_id' => $address_query->row['country_id'],

'country' => $country,

'iso_code_2' => $iso_code_2,

'iso_code_3' => $iso_code_3,

'address_format' => $address_format,

'custom_field' => json_decode($address_query->row['custom_field'], true),

'default' => $address_query->row['default']

];

} else {

return [];

}

}