PHP Configurations::get方法代码示例

 */
session_start();
/*
 * Creating a gloabl array for easy access to data. 
 */
$GLOBALS['config'] = array('mysql' => array('host' => "tcp:appetite.database.windows.net,1433", 'userName' => "app", 'passCode' => "Admin12£", 'db' => "appetite"), 'remember' => array('cookie_name' => 'appetiteCookieHash', 'cookie_name2' => 'appetiteCookieUserID', 'cookie_expiry' => 315532800), 'session' => array('session_name' => 'user', 'token_name' => 'token'));
/**
 * Using the standard php library (spl) to autoload a class only when it is required. This saves having to write require_once '...' for each class in every script. 
 */
spl_autoload_register(function ($class) {
    require_once $class . '.php';
});
require_once 'functions.php';
// Imports functions which should be accessible to scripts which use require_once 'init.php'.
//if the cookie exists but the session does not - then the user asked to be remembered and so should be logged in.
if (Cookie::exists(Configurations::get('remember/cookie_name')) && !Session::exists(Configurations::get('session/session_name'))) {
    //echo '<br /> User asked to be remembered <br />'; //for debugging.
    $hash = Cookie::get(Configurations::get('remember/cookie_name'));
    $hashCheck = DB::getInstance()->get('users_session', array('hash', '=', $hash));
    if ($hashCheck->count()) {
        /* echo 'Hash Matches, log the user in.';
        		echo '<br />'.$hashCheck->first()->user_id; */
        //for debugging.
        //if here then the user wanted to be remembered and so should be logged in
        $user = new User($hashCheck->first()->user_id);
        $user->login();
    }
}
?>

 /**
  * This method logs the user in or returns a session if they are already logged in. If no arguments are passed it is assumed the user is logged in already 
  * (i.e. their cookie stores a valid hash). Otherwise you pass the $username, $password, and whether or not the user asked to be remembered ($remember). 
  * If the $username and hashed $password match that which is stored in the database the user is logged in. 
  * If the user has clicked 'remember me' then a cookie is also stored with a hash in order to keep the user logged in.   
  */
 public function login($username = null, $password = null, $remember = false)
 {
     if (!$username && !$password && $this->exists()) {
         Session::put($this->_sessionName, $this->data()->id);
     } else {
         $user = $this->find($username);
         //Otherwise, find the user.
         if ($user) {
             if ($this->data()->password === Hash::make($password, $this->data()->salt)) {
                 Session::put($this->_sessionName, $this->data()->id);
                 //If the password was correct, put a session.
                 if ($remember) {
                     $hash = Hash::unique();
                     //Create a unique hash.
                     //Check whether a hash exists in the 'users_session' table for that user already i.e. they have logged in previously and asked to be remembered.
                     $hashCheck = $this->_db->get('users_session', array('user_id', '=', $this->data()->id));
                     if (!$hashCheck->count()) {
                         //Insert a hash into the database for the user.
                         $this->_db->insert('users_session', array('user_id' => $this->data()->id, 'hash' => $hash));
                     } else {
                         $hash = $hashCheck->first()->hash;
                         //Take the first row and the value stored for hash and save it in the local variable $hash.
                     }
                     Cookie::put($this->_cookieName, $hash, Configurations::get('remember/cookie_expiry'));
                     //store the hash in a cookie
                     Cookie::put($this->_cookieName2, $this->data()->id, Configurations::get('remember/cookie_expiry'));
                     //store the userID in a cookie
                 }
                 return true;
             }
         }
     }
     return false;
 }