';print_r($arr);print_r($manager->permissions);print_r($this->permissions_list);die;
					}
					else
					{
						unset($m[2]);
					}
				}
				$line = implode(":", $m);
				$updated_flag = true;
			}
		}
		if($updated_flag)
		{
			file_put_contents($this->passwd_file, implode("\n", $lines));
			if($m = $this->get_manager($manager->login))
				return $m->login;
		}
		return false;
	}

	public function delete_manager($login)
	{
		$lines = explode("\n", @file_get_contents($this->passwd_file));
		foreach($lines as $i=>$line)
		{
			$m = explode(":", $line);
			if($m[0] == $login)
				unset($lines[$i]);
		}
		file_put_contents($this->passwd_file, implode("\n", $lines));
		return true;
	}

	private function crypt_apr1_md5($plainpasswd) {
		$salt = substr(str_shuffle("abcdefghijklmnopqrstuvwxyz0123456789"), 0, 8);
		$len = strlen($plainpasswd);
		$text = $plainpasswd.'$apr1$'.$salt;
		$bin = pack("H32", md5($plainpasswd.$salt.$plainpasswd));
		for($i = $len; $i > 0; $i -= 16) { $text .= substr($bin, 0, min(16, $i)); }
		for($i = $len; $i > 0; $i >>= 1) { $text .= ($i & 1) ? chr(0) : $plainpasswd{0}; }
		$bin = pack("H32", md5($text));
		for($i = 0; $i < 1000; $i++) {
			$new = ($i & 1) ? $plainpasswd : $bin;
			if ($i % 3) $new .= $salt;
			if ($i % 7) $new .= $plainpasswd;
			$new .= ($i & 1) ? $bin : $plainpasswd;
			$bin = pack("H32", md5($new));
		}
		$tmp = '';
		for ($i = 0; $i < 5; $i++) {
			$k = $i + 6;
			$j = $i + 12;
			if ($j == 16) $j = 5;
			$tmp = $bin[$i].$bin[$k].$bin[$j].$tmp;
		}
		$tmp = chr(0).chr(0).$bin[11].$tmp;
		$tmp = strtr(strrev(substr(base64_encode($tmp), 2)),
		"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",
		"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz");
		return "$"."apr1"."$".$salt."$".$tmp;
	}

	public function access($module)
	{
		$manager = $this->get_manager();
		if(is_array($manager->permissions))
			return in_array($module, $manager->permissions);
		else
			return false;
	}
}