db.php
class db {
private static $_instance = null;
private $_pdo, private
function __construct() {
try {
$this - > _pdo = new PDO('mysql:host='.config::get('mysql/host').
'; dbname='.config::get('mysql/db'), config::get('mysql/username'), config::get('mysql/password'));
echo 'hello ';
} catch (PDOException $e) {
die($e - > getMessage());
}
}
public static
function getInstance() {
if (!isset(self::$_instance)) {
self::$_instance = new db();
}
return self::$_instance;
}
}
config.php
class config {
public static function get($path=null) {
if($path) {
$config = $GLOBALS['config'] ;
$path = explode('/',$path) ;
foreach ($path as $bit) {
if(isset($config[$bit])) {
$config = $config[$bit];
}
}
return $config ;
}
}
}
initialize.php
session_start() ;
$GLOBALS['config'] = array(
'mysql' => array (
'host' => '127.0.0.1',
'user' => 'root' ,
'password' => '',
'db' => 'login'
) ) ;
all three files added Error:
in main db::getInstance() call error shown Error: PDO::__construct() expects parameter 2 to be string .
add more details for submitting. what lines i add to in it submit question .