php 连接数据库 encode json格式数据 代码片段

$host ='localhost';

$user = "root";

$password = "";

$database = "contract resource management";

$server = mysql_connect($host, $user, $password);

$conn = mysql_select_db($database, $server);

连接数据库

$raw_post_data = file_get_contents('php://input');

$arr0 = json_decode($raw_post_data,true);

$phone = $arr0['phone'];

//post 数据方式

$query = mysql_query("SELECT * FROM user1 where phone='".$phone."'");//select 数据表

$selpass = mysql_fetch_array($query,MYSQL_BOTH);

$username=$selpass['name'];

$arr = array(

"name" => "$username",

"password" => "$userpassword"

);

$json_string = json_encode($arr);

//encode  json格式数据

mysql_close( $server);

?>