PHP function to call another classes

Question

I have seperated a few file with PHP classes, and now I need to get them together in one function like this:

include("require-class.php");

require_multi("db-class.php", "settings.php","users-class.php");

class ajaxLogin {
  private $settings;            
  private $users;

  public function __construct(settings $settings, users $users) {
    $this->settings = $settings;
    $this->users = $users;  
  }
}

global $ajaxLogin;
$ajaxLogin = new ajaxLogin;

Class in settings.php is named settings and the one in users-class.php is users. I got an error:

PHP Catchable fatal error: Argument 1 passed to ajaxLogin::__construct() must be an instance of settings, none given, called in /var/www/html/idcms/admin/class/login-ajax.php on line 47 and defined in /var/www/html/idcms/admin/class/login-ajax.php on line 13, referer: http://localhost/idcms/admin/

How you have called this class instance?

AnkiiG
– AnkiiG

2016-02-08 08:37:21 +00:00
Commented Feb 8, 2016 at 8:37 — AnkiiG
– AnkiiG, Commented Feb 8, 2016 at 8:37

Community · Accepted Answer · 2017-05-23 11:45:13Z

2

Your constructor of ajaxLogin requires two arguments: $settings and $user. So you need to call:

$ajaxLogin = new ajaxLogin($settings, $user);

Of course you need to instantiate settings and user before, like:

$settings = new settings();    // add arguments if required
$user = new user();            // add arguments if required

UPDATE

If you really want to instantiate settings and user inside your ajaxLogin, just remove the arguments from your __construct like this:

class ajaxLogin {
    private $settings;          
    private $users;

    public function __construct() {
        $this->settings = new settings();
        $this->users = new users();          
    }
}

However, the first approach is usually the better one because everyone who uses the class ajaxLogin knows immediately that this class depends on settings and user. See this question for more detailed answers about this.

edited May 23, 2017 at 11:45

CommunityBot

11 silver badge

answered Feb 8, 2016 at 8:50

simon

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1 Comment

koca79331 Over a year ago

Ok, thank you i wanted to know if there is any way to call this inside the function arguments, thank you.

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