fipamo/app/Services/AuthService.php

<?php

namespace App\Services;

use function _\find;

class AuthService
{
    protected $config;

    public function __construct(SettingsService $config)
    {
        $this->config = $config;
    }

    public function check($handle, $pass)
    {
        $folks = $this->config->getFolks();
        $found = find($folks, ['handle' => $handle]);
        if ($found) {
            if (password_verify($pass, $found['password'])) {
                return "WELCOME";
            //DO SESSION STUFF
            } else {
                return "NOPE";
                //RETURN ERROR
            }
        } else {
            return "WHO ARE YOU?";
            //RETURN ERROR
        }
    }
}