<?php
$param = [
  'user_nicename' => true, 
  'user_address' => true, 
  'address_current' => true
];

$data_form = [];
foreach ($param as $key => $value) {
  if($value && !isset($_POST[$key])) {
    $rc = 1;
    return false;
  }else {
    $data_form[$key] = $_POST[$key];
  }
}

$current_user = wp_get_current_user();
$current_id = $current_user->ID;
if($current_id == 0) {
  $rc = 1;
  return false;
}

$wpdb->update("wp_users", [
  'user_nicename' => $data_form['user_nicename']
], [
  "ID" => $current_id
]);

@update_user_meta($current_id, 'address_current', $data_form['address_current']);

if(isset($data_form['user_address']['address1'])) {
  @update_user_meta($current_id, 'address1', $data_form['user_address']['address1']);
}
if(isset($data_form['user_address']['address2'])) {
  @update_user_meta($current_id, 'address2', $data_form['user_address']['address2']);
}
if(isset($data_form['user_address']['address3'])) {
  @update_user_meta($current_id, 'address3', $data_form['user_address']['address3']);
}
if(isset($data_form['user_address']['address4'])) {
  @update_user_meta($current_id, 'address4', $data_form['user_address']['address4']);
}

$rc = 0;