<?php
include_once ("conn.php");
$admin_id = $_POST['userid'];
$admin_name = $_POST['username'];
$admin_password = $_POST['password'];
$admin_phone = $_POST['phone'];
$admin_sex = $_POST['sex'];
$admin_age = $_POST['age'];
$admin_birthday = $_POST['birthday'];
var_dump($admin_id);
$sql=<<<SQL
UPDATE user_infor
SET name = '$admin_name',password = '$admin_password',sex = '$admin_sex',phone = '$admin_phone',age = $admin_age,birthday = '$admin_birthday'
WHERE id = $admin_id
SQL;
$query=mysqli_query($link,$sql);
if($query)
{
    echo "<script>alert('update sucess');location='admin_background_face.php';</script>";
}
else
{
    echo "<script>alert('update fail');location='admin_background_face.php';</script>";
}
?>