<?php
class ControllerInstallPromotion extends Controller {
    public function index() {
        $curl = curl_init();

        curl_setopt($curl, CURLOPT_URL, 'https://www.opencart.com/index.php?route=api/install');
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($curl, CURLOPT_HEADER, false);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0);
        curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 30);
        curl_setopt($curl, CURLOPT_TIMEOUT, 30);

        $output = curl_exec($curl);

        if (curl_getinfo($curl, CURLINFO_HTTP_CODE) == 200) {
            $response = $output;
        } else {
            $response = '';
        }

        curl_close($curl);

        return $response;
    }
}