Error when i want to include class

How i can resolve this problem? Whe i want to include class i see that error. Version CI 3, php 5.6

PHP Code:

[color=rgba(0, 0, 0, 0.870588)][size=small][font=roboto, calibri]Severity: 8192[/font][/size][/color]
[color=rgba(0, 0, 0, 0.870588)][size=small][font=roboto, calibri]Message: Assigning the return value of new by reference is deprecated[/font][/size][/color]
[color=rgba(0, 0, 0, 0.870588)][size=small][font=roboto, calibri]Filename: pear/Auth.php[/font][/size][/color] 


PHP Code:

[php][color=rgba(0, 0, 0, 0.870588)][size=small][font=roboto, calibri]Line Number: 469[/font][/size][/color] 


class Auth extends MY_Controller{

public function __construct(){
parent::__construct();
}
}

require_once 'Auth.php';

class Settings extends MY_Controller{

public function __construct(){
parent::__construct();
$this->load->model('my_model');
}
}
[/php]

How i can resolve this problem? Whe i want to include class i see that error. Version CI 3, php 5.6

PHP Code:

[color=rgba(0, 0, 0, 0.870588)][size=small][font=roboto, calibri]Severity: 8192[/font][/size][/color]
[color=rgba(0, 0, 0, 0.870588)][size=small][font=roboto, calibri]Message: Assigning the return value of new by reference is deprecated[/font][/size][/color]
[color=rgba(0, 0, 0, 0.870588)][size=small][font=roboto, calibri]Filename: pear/Auth.php[/font][/size][/color] 


PHP Code:

[php][color=rgba(0, 0, 0, 0.870588)][size=small][font=roboto, calibri]Line Number: 469[/font][/size][/color] 


class Auth extends MY_Controller{

public function __construct(){
parent::__construct();
}
}

require_once 'Auth.php';

class Settings extends MY_Controller{

public function __construct(){
parent::__construct();
$this->load->model('my_model');
}
}
[/php]

It looks like on line 469 of Auth.php is a "&" that is incompatible with php 5.6

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