user.php

<?php
class User{
	private $_db;

	public function __construct(){
		$this->_db = Database::getInstance();
	}
	public function register_user($fields = array())
	{
		if($this-> _db->insert('users',$fields)) return true;
		else return false;
	}

	public function login_user($username, $password)
	{
		$data = $this->_db->get_info('users', 'username', $username);

		if(password_verify($password, $data['password']))
			return true;
		else return false;
	}

	public function cek_nama($username)
	{
		$data = $this->_db->get_info('users', 'username', $username);
		if( empty($data)) return false;
		else return true;
	}
}
?>