Я только начал изучать, но почему это происходит, когда я не заполняю информацию в URL-адресе, который она подключается к базе данных, но когда я ее заполняю, она дает фатальная ошибка?
Ex. когда я печатаю
Он бросает:
Fatal error: Uncaught exception 'Exception' with message 'Failed to connect to database' in /home/torokage/public_html/php/classes/DB.class.php:22 Stack trace: #0 /home/torokage/public_html/php/signup.php(35): DB->connect() #1 {main} thrown in /home/torokage/public_html/php/classes/DB.class.php on line 22
Но когда я печатаю
http://ehlien.com/php/signup.php
Это дает мне мою ошибку я настроить:
{"status":"400","message":"Please fill in the missing information..."}
У меня нет много знаний о PHP и MySQL, просто пытаюсь понять это самостоятельно и через некоторые учебники, но я не могу получить эту работу, чтобы продолжить ...
КОД, signup.php:
<?php
require('classes/User.class.php');
require('classes/DB.class.php');
require('classes/Connection.class.php');
$firstname = null;
$lastname = null;
$username = null;
$email = null;
$password = null;
$repassword = null;
if (empty($_REQUEST["firstname"]) ||
empty($_REQUEST["lastname"]) ||
empty($_REQUEST["username"]) ||
empty($_REQUEST["email"]) ||
empty($_REQUEST["password"]))
{
$returnError["status"] = "400";
$returnError["message"] = "Please fill in the missing information...";
echo json_encode($returnError);
return;
}
$firstname = htmlentities($_REQUEST["firstname"]);
$lastname = htmlentities($_REQUEST["lastname"]);
$username = htmlentities($_REQUEST["username"]);
$email = htmlentities($_REQUEST["email"]);
$password = md5(htmlentities($_REQUEST["password"]));
$DB = new DB(Connection::$db_host, Connection::$db_name, Connection::$db_user, Connection::$db_pass);
$DB->connect();
$checkUsername = $DB->checkIfUsernameExists($username);
if (!empty($checkUsername))
{
$returnError["status"] = "400";
$returnError["message"] = "That username has already been taken. Please try again...";
echo json_encode($returnError);
return;
}
$checkEmail = $DB->checkIfEmailExists($email);
if (!empty($checkEmail))
{
$returnError["status"] = "400";
$returnError["message"] = "That email has already been taken. Please try again...";
echo json_encode($returnError);
return;
}
$signUpUser = $DB->signUpUser($firstname, $lastname, $username, $email, $password);
if ($signUpUser)
{
$userDetails = $DB->getUserDetails($username);
$user["status"] = "200";
$user["message"] = "Success! You have now been registered.";
$user["ID"] = $userDetails["ID"];
$user["firstname"] = $userDetails["firstname"];
$user["lastname"] = $userDetails["lastname"];
$user["username"] = $userDetails["username"];
$user["email"] = $userDetails["email"];
}
else
{
$user["status"] = "400";
$user["message"] = "Sorry, this account has already been taken. Please try again...";
}
$DB->disconnect();
echo json_encode($user);
?>
DB.class.php
<?php
class DB {
protected $db_host = null;
protected $db_name = null;
protected $db_user = null;
protected $db_pass = null;
protected $db_conn = null;
protected $db_resu = null;
// Constructor
function __construct($db_host, $db_name, $db_user, $db_pass) {
$this->db_host = $db_host;
$this->db_name = $db_name;
$this->db_user = $db_user;
$this->db_pass = $db_pass;
}
// Connect to database
public function connect() {
$this->db_conn = new MySQLi($this->db_host, $this->db_name, $this->db_user, $this->db_pass);
if (mysqli_connect_errno())
throw new Exception("Failed to connect to database");
$this->db_conn->set_charset("utf8");
}
// Disconnect from database
public function disconnect() {
if ($this->db_conn != null)
$this->db_conn->close();
}
// Check if username exists
public function checkIfUsernameExists($username) {
$result = mysql_query("SELECT USERNAME FROM USERS WHERE EMAIL = '$username'");
if(mysql_num_rows($result) == 0){
return false;
} else {
return true;
}
}
// Check if email exists
public function checkIfEmailExists($email) {
$result = mysql_query("SELECT EMAIL FROM USERS WHERE EMAIL = '$email'");
if(mysql_num_rows($result) == 0){
return false;
} else {
return true;
}
}
// Get user informationd
public function getUserDetails($username) {
$command = mysql_query("SELECT * FROM USERS WHERE USERNAME = '$username'");
$value = array();
$result = $this->db_conn->query($command);
if ($result != null && (mysqli_num_rows($result) >= 1)) {
$row = $result->fetch_array(MYSQLI_ASSOC);
if (!empty($row)) {
$value = $row;
}
}
return $value;
}
// Sign up new user
public function signUpUser($firstname, $lastname, $username, $email, $password) {
$command = "INSERT INTO USERS SET FIRSTNAME=?, LASTNAME=?, USERNAME=?, EMAIL=?, PASSWORD=?";
$sql = $this->db_conn->prepare($command);
if (!$sql)
throw new Exception($sql->error);
$sql->bind_param("sssss", $firstname, $lastname, $username, $email, $password);
$value = $sql->execute();
return $value;
}
}
?>
Вы используете '' mysqli' и mysql_'. Вы также меняетесь от параметризованных запросов и небезопасных. Используйте все параметры. – chris85