Jarves\Controller\Admin\DashboardWidgets::getSpace PHP Method

    public function getSpace()
    {
        $matches = array();
        $availIdx = 0;
        $usedIdx = 0;
        $nameIdx = 0;
        if ('darwin' == strtolower(PHP_OS)) {
            $sysctl = `df -kl`;
            preg_match_all('/([a-zA-Z0-9\\/]+)\\s+([0-9]+)\\s+([0-9]+)\\s+([0-9]+)\\s+([0-9%]+)\\s+([0-9]+)\\s+([0-9]+)\\s+([0-9%]+)\\s+(.*)/', $sysctl, $matches, PREG_SET_ORDER);
            $availIdx = 4;
            $usedIdx = 3;
            $nameIdx = 9;
        } else {
            if ('linux' === strtolower(PHP_OS)) {
                $sysctl = `df -l --block-size=1K`;
                preg_match_all('/([a-zA-Z0-9\\/]+)\\s+([0-9]+)\\s+([0-9]+)\\s+([0-9]+)\\s+([0-9%]+)\\s+(.*)/', $sysctl, $matches, PREG_SET_ORDER);
                $availIdx = 4;
                $usedIdx = 3;
                $nameIdx = 6;
            }
        }
        $result = array();
        $blacklist = array('/boot', '/dev', '/run', '/run/lock', '/run/shm');
        foreach ($matches as $match) {
            if (count($result) > 2) {
                break;
            }
            $avail = $match[$availIdx] + 0;
            $user = $match[$usedIdx] + 0;
            $name = $match[$nameIdx];
            if (in_array($name, $blacklist)) {
                continue;
            }
            //anything under 1gb
            if (1000 * 1024 > $avail) {
                continue;
            }
            $result[$name] = array('name' => '/' === $name ? '/' : basename($name), 'used' => $user, 'available' => $avail, 'size' => $user + $avail);
        }
        return array_values($result) ?: array();
    }