// Server error fail 50000
if (!$con) {
$output = array('data' => NULL, 'info' => 'Server sql error.', 'code' => 50000);
exit(json_encode($output));
}
// new memcache object
$mem = new Memcache();
$mem->connect('127.0.0.1', 11211);
$output = array();
// Username, password cannot be empty 20002
if (!$username || !$password) {
$output = array('data' => NULL, 'info' => 'Username and password cannot be empty.', 'code' => 20002);
exit(json_encode($output));
}
// Illegal value parameter 10017
if (!$string_illegal->userName($username, 'ALL', 20) || !$string_illegal->isEngLength($username, 6, 20) || !$string_illegal->passWord(6, 20, $password) || !$string_illegal->isEnglish($password)) {
$output = array('data' => NULL, 'info' => 'Illegal value parameter.', 'code' => 10017);
exit(json_encode($output));
}
$sql = 'SELECT * FROM t_user WHERE Username="******"';
$result = mysqli_query($con, $sql);
// Insert fail 10016
if (!$result) {
$output = array('data' => NULL, 'info' => 'Wrong username or password.' . $sql, 'code' => 20003);
exit(json_encode($output));
}
mysqli_close($con);
$user_info = mysqli_fetch_array($result);
if ($user_info['Password'] == $password) {
// set data into the memcache
$token = md5($username . time());
