<?php include_once "dbconnect.php"; dbhelper::Start($db_obj); //coming from dbconnect db_obj class dbhelper { public static $pdo; public static $db_obj; public static function Start($db_obj) { self::$db_obj = $db_obj; //similar to this.db_obj = db_obj if (isset($db_obj)) { if ($db_obj->isConnected()) { self::$pdo = $db_obj->get_db_connect(); } } } public function authenticateContentLogin($username, $password) { $pdo_1 = self::$pdo->prepare("SELECT * FROM `t000_login` WHERE BINARY C000_USERNAME = :username AND BINARY C000_PASSWORD = :password"); $pdo_1->execute(array(':username' => $username, ':password' => $password)); $result = $pdo_1->fetch(PDO::FETCH_ASSOC); if ($result) { return $result['C000_LOGIN_ID']; } else { return 0; } } }