AJAX使用post发送数据xml格式接受数据(2)

if($con)
{
$charset = "gb2312";
mysql_query("SET character_set_connection=$charset, character_set_results=$charset, character_set_client=binary"); //这句是必须的，解决中文乱码加密问题s
mysql_select_db("ajax",$con);

$sql = "select * from ecs_region where parent_id = '$id'";

$res = mysql_query($sql);
$arr = array();
while($row = mysql_fetch_assoc($res))
{
$arr[] = $row;
}

return $arr;
}
return false;
}

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