php中实现可以返回多个值的函数实例

<?php
  function retrieve_user_profile() {
   $user[] = "Jason";
   $user[] = "jb51.";
   $user[] = "English";
   return $user;
  }
  list($name,$email,$language) = retrieve_user_profile();
  echo "Name: $name, email: $email, preferred language: $language";
?>