scratch

<?php

class introduction extends CI_Controller
{

    var $data = [];

    private function __construct()
    {
        parent::__construct();
        $this->load->modal('people_model');
        $toArray = true;
        $this->data['me'] = $this->people_model->get(['user' => '********'], $toArray);
    }

    private function _introduction()
    {
        $toArray = true;
        $this->data['you'] = $this->people_model->get(['user' => '********'], $toArray);

        $sayHi = 0;
        foreach ($this->data['me']['interests'] as $interest) {
            if (in_array($interest, $this->data['you']['interests'])) {
                $sayHi++;
            }
        }

        $this->load->view(($sayHi > 10 ? "hello" : "spam") . ".html");
    }

    public function index()
    {
        $this->_introduction();

    }
}