我有一个来自数据库选择查询的数组,看起来像这样;
Array ( [0] => Array ( [0] => Array ( [users] => Array ( [email] => makamo66@hotmail.com ) ) [1] => Array ( [users] => Array ( [email] => makamo66@gmail.com ) ) ) )
如何获取电子邮件地址,使其看起来像这样:
makamo66@hotmail.com, makamo66@gmail.com