I am getting mysql_real_escape_string() function error while adding user?

The problem is from wp_insert_user and the fact that your value for user_pass is empty. You should update your code as so $random_password = wp_generate_password(8,false); $user_data = array( ‘user_login’ => $first_name, ‘user_pass’ => $random_password, ‘user_email’ => $trainer_email, ‘first_name’ => $first_name, ‘last_name’ => $last_name, ‘role’ => ‘trainer’ ); And remove this line wp_set_password($random_password, $user_id); You should … Read more

Hook when editing user

Yes, this is CORRECT add_action(‘edit_user_profile’, ‘limpiamosVariables’); function limpiamosVariables($user){ // My Code Sample update_option( “var_ios_token”, get_field(‘token_user’, ‘user_’.$user->id) ); };